{"id":395358,"date":"2024-11-26T14:27:27","date_gmt":"2024-11-26T14:27:27","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/guanyubsdflichengheyuanchangtoushedewenti\/"},"modified":"2024-11-26T14:27:27","modified_gmt":"2024-11-26T14:27:27","slug":"guanyubsdflichengheyuanchangtoushedewenti","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/guanyubsdflichengheyuanchangtoushedewenti\/","title":{"rendered":"\u5173\u4e8eBSDF\u4f8b\u7a0b\u548c\u8fdc\u573a\u6295\u5c04\u7684\u95ee\u9898"},"content":{"rendered":"<p>&lt;p&gt;\u60a8\u597d\uff1a&lt;\/p&gt;&lt;p&gt;\u6700\u8fd1\u6211\u5728\u53c2\u8003BSDF\u4f8b\u7a0b\u8ba1\u7b97\u53cc\u5411\u53cd\u5c04\u5206\u5e03\u51fd\u6570\uff08BRDF\uff09\u65f6\u9047\u5230\u4e00\u4e9b\u95ee\u9898\u3002\u4f8b\u7a0b\u7684simple.lsf\u811a\u672c\u4e2d\u9996\u5148\u4f7f\u7528up\u9762\u63a5\u6536\u4e0a\u65b9\u6563\u5c04\u5f3a\u5ea6\uff0c\u7136\u540e\u7528gratingpolar\u83b7\u5f97\u4e0d\u540c\u89d2\u5ea6\u7684\u6563\u5c04\u7684\u8fdc\u573aE^2\uff0c\u518d\u5c06\u955c\u9762\u53cd\u5c04\u53bb\u6389\uff0c\u63a5\u7740\u5bf9\u5404\u4e2a\u65b9\u4f4d\u89d2\u4f7f\u7528farfield3dintegrate\u83b7\u5f97\u4e00\u5b9a\u89d2\u5ea6\u5185\u7684E^2\u79ef\u5206\uff0c\u5e76\u6309\u7167\u4e0b\u9762\u7684\u65b9\u5f0f\u6c42BRDF\uff0c\u6700\u540e\u5c06\u7ed3\u679c\u5f52\u4e00\u5316\u5230\u751f\u6210\u7c97\u7cd9\u9762\u7684\u7406\u8bba\u503c\u3002&lt;\/p&gt;&lt;p&gt;for(i=1:(length(phi)-1)) {&lt;\/p&gt;&lt;p&gt;result = result + farfield3dintegrate(E2*cos_theta,ux,uy,5,theta,phi(i)) \/ (farfield3dintegrate(0*E2+1,ux,uy,5,theta,phi(i))+1e-20); #\u6c42BRDF&lt;\/p&gt;&lt;p&gt;}&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;&lt;p&gt;\u6211\u7684\u95ee\u9898\u662f\uff1a&lt;\/p&gt;<\/p>\n<ol>\n<li>\u5728\u8fd9\u4e2a\u4f8b\u7a0b\u7684\u811a\u672c\u4ee3\u7801\u4e2d\uff0c\u6709\u4e00\u884c\u83b7\u53d6gratingpolar\u4e4b\u540e\u7684E2 = (BSDF_up.E2) *(1+transmission(&#8220;BSDF::up&#8221;));\u4e3a\u4ec0\u4e48\u8fd8\u9700\u8981\u591a\u52a0\u4e00\u4e2a\u900f\u5c04\u7684\u7cfb\u6570?\uff0c\u8fd9\u91cc\u5bfc\u81f4\u6700\u540e\u7684total_power_R\u52a0\u8d77\u6765\u5927\u4e8e1<\/li>\n<li>\u6309\u7167\u5e38\u89c1\u7684BRDF\u5b9a\u4e49\uff0cBRDF = dP_s \/ (d&Omega;_s * Pi * cos&theta;_s)\uff0c\u5982\u4f55\u7406\u89e3\u4ee3\u7801\u4e2dBRDF\u7684\u8ba1\u7b97\u65b9\u5f0f\uff0c\u5b83\u662f\u5982\u4f55\u5b9a\u4e49\u7684\uff1f\u5206\u6bcd\u7684(farfield3dintegrate(0*E2+1,ux,uy,5,theta,phi(i))+1e-20\uff09\uff0c\u5b83\u7684\u610f\u601d\u5e94\u8be5\u662f\u5c06E^2=1\u7684\u5f3a\u5ea6\u6cbfux,uy\u57285&deg;\u5185\u79ef\u5206\uff0c\u5f97\u5230\u7684\u662f5&deg;\u5bf9\u5e94\u7684\u7acb\u4f53\u89d2\u3002\u6211\u7406\u89e3\u7684\u4ee3\u7801\u7684\u5b9a\u4e49\u662fBRDF\uff08&theta;_s\uff09 = Es^2 *cos&theta;_s \/ \uff08&Omega;_s*1^2)\uff0c\u8fd9\u4e0e\u5e38\u89c1\u7684\u5b9a\u4e49\u4e0d\u540c\uff0c\u53e6\u5916Ps\/Pi \u4e0eEs^2 \/ Ei^2\u662f\u5426\u76f8\u7b49\uff1f<\/li>\n<li>\u6211\u5982\u4f55\u51c6\u786e\u83b7\u53d6\u8fd9\u4e00\u4e2a5&deg;\u534a\u89d2\u79ef\u5206\u533a\u57df\u7684\u529f\u7387Ps\uff1f\u53ef\u4ee5\u4f7f\u7528P=&eta; E^2 *A\u76f4\u63a5\u83b7\u5f97\u5417\uff0c\u8fd9\u6837\u7684\u7ed3\u679c\u4e0e\u4f7f\u7528\u6ce2\u5370\u5ef7\u77e2\u91cf\u8ba1\u7b97\u662f\u5426\u76f8\u540c\uff1f<\/li>\n<li>\u5982\u679c\u6211\u4e0d\u4f7f\u7528\u4f8b\u7a0b\u4e2d\u7684BSDF\u5206\u6790\u7ec4\uff08\u5206\u6790\u7ec4\u4e2d\u4f7f\u7528gratingpolar\u83b7\u53d6\u7279\u5b9a\u7ea7\u6b21\u65b9\u5411\u7684E^2\uff09\uff0c\u800c\u76f4\u63a5\u5728\u4e0a\u65b9\u7528\u76d1\u89c6\u5668\u83b7\u53d6\u8fd1\u573a\u5206\u5e03\uff0c\u518d\u8fdc\u573a\u6295\u5c04\u52301m\u7403\u9762\uff0c\u8fd9\u6837\u5c31\u80fd\u83b7\u5f97\u66f4\u591a\u7684\u65b9\u5411\u548c\u6570\u636e\u70b9\uff0c\u8fd9\u6837\u83b7\u5f97\u7684E2\u662f\u5426\u662f\u548cgratingpolar\u83b7\u5f97\u7684\u76f8\u540c\uff1f<\/li>\n<\/ol>\n<p>&lt;p&gt;\u8c22\u8c22&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-395358","topic","type-topic","status-publish","hentry","topic-tag-bsdf","topic-tag-far-field-1","topic-tag-gratings-farfield-2","topic-tag-poweranalysis-1","topic-tag-scattering"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u60a8\u597d\uff1a\u6700\u8fd1\u6211\u5728\u53c2\u8003BSDF\u4f8b\u7a0b\u8ba1\u7b97\u53cc\u5411\u53cd\u5c04\u5206\u5e03\u51fd\u6570\uff08BRDF\uff09\u65f6\u9047\u5230\u4e00\u4e9b\u95ee\u9898\u3002\u4f8b\u7a0b\u7684simple.lsf\u811a\u672c\u4e2d\u9996\u5148\u4f7f\u7528up\u9762\u63a5\u6536\u4e0a\u65b9\u6563\u5c04\u5f3a\u5ea6\uff0c\u7136\u540e\u7528gratingpolar\u83b7\u5f97\u4e0d\u540c\u89d2\u5ea6\u7684\u6563\u5c04\u7684\u8fdc\u573aE^2\uff0c\u518d\u5c06\u955c\u9762\u53cd\u5c04\u53bb\u6389\uff0c\u63a5\u7740\u5bf9\u5404\u4e2a\u65b9\u4f4d\u89d2\u4f7f\u7528farfield3dintegrate\u83b7\u5f97\u4e00\u5b9a\u89d2\u5ea6\u5185\u7684E^2\u79ef\u5206\uff0c\u5e76\u6309\u7167\u4e0b\u9762\u7684\u65b9\u5f0f\u6c42BRDF\uff0c\u6700\u540e\u5c06\u7ed3\u679c\u5f52\u4e00\u5316\u5230\u751f\u6210\u7c97\u7cd9\u9762\u7684\u7406\u8bba\u503c\u3002for(i=1:(length(phi)-1)) {result = result + farfield3dintegrate(E2*cos_theta,ux,uy,5,theta,phi(i)) \/ (farfield3dintegrate(0*E2+1,ux,uy,5,theta,phi(i))+1e-20); #\u6c42BRDF} \u6211\u7684\u95ee\u9898\u662f\uff1a\u5728\u8fd9\u4e2a\u4f8b\u7a0b\u7684\u811a\u672c\u4ee3\u7801\u4e2d\uff0c\u6709\u4e00\u884c\u83b7\u53d6gratingpolar\u4e4b\u540e\u7684E2 = (BSDF_up.E2) *(1+transmission(&quot;BSDF::up&quot;));\u4e3a\u4ec0\u4e48\u8fd8\u9700\u8981\u591a\u52a0\u4e00\u4e2a\u900f\u5c04\u7684\u7cfb\u6570?\uff0c\u8fd9\u91cc\u5bfc\u81f4\u6700\u540e\u7684total_power_R\u52a0\u8d77\u6765\u5927\u4e8e1\u6309\u7167\u5e38\u89c1\u7684BRDF\u5b9a\u4e49\uff0cBRDF = dP_s \/ (d\u03a9_s * Pi * cos\u03b8_s)\uff0c\u5982\u4f55\u7406\u89e3\u4ee3\u7801\u4e2dBRDF\u7684\u8ba1\u7b97\u65b9\u5f0f\uff0c\u5b83\u662f\u5982\u4f55\u5b9a\u4e49\u7684\uff1f\u5206\u6bcd\u7684(farfield3dintegrate(0*E2+1,ux,uy,5,theta,phi(i))+1e-20\uff09\uff0c\u5b83\u7684\u610f\u601d\u5e94\u8be5\u662f\u5c06E^2=1\u7684\u5f3a\u5ea6\u6cbfux,uy\u57285\u00b0\u5185\u79ef\u5206\uff0c\u5f97\u5230\u7684\u662f5\u00b0\u5bf9\u5e94\u7684\u7acb\u4f53\u89d2\u3002\u6211\u7406\u89e3\u7684\u4ee3\u7801\u7684\u5b9a\u4e49\u662fBRDF\uff08\u03b8_s\uff09 = Es^2 *cos\u03b8_s \/ \uff08\u03a9_s*1^2)\uff0c\u8fd9\u4e0e\u5e38\u89c1\u7684\u5b9a\u4e49\u4e0d\u540c\uff0c\u53e6\u5916Ps\/Pi \u4e0eEs^2 \/ Ei^2\u662f\u5426\u76f8\u7b49\uff1f\u6211\u5982\u4f55\u51c6\u786e\u83b7\u53d6\u8fd9\u4e00\u4e2a5\u00b0\u534a\u89d2\u79ef\u5206\u533a\u57df\u7684\u529f\u7387Ps\uff1f\u53ef\u4ee5\u4f7f\u7528P=\u03b7 E^2 *A\u76f4\u63a5\u83b7\u5f97\u5417\uff0c\u8fd9\u6837\u7684\u7ed3\u679c\u4e0e\u4f7f\u7528\u6ce2\u5370\u5ef7\u77e2\u91cf\u8ba1\u7b97\u662f\u5426\u76f8\u540c\uff1f\u5982\u679c\u6211\u4e0d\u4f7f\u7528\u4f8b\u7a0b\u4e2d\u7684BSDF\u5206\u6790\u7ec4\uff08\u5206\u6790\u7ec4\u4e2d\u4f7f\u7528gratingpolar\u83b7\u53d6\u7279\u5b9a\u7ea7\u6b21\u65b9\u5411\u7684E^2\uff09\uff0c\u800c\u76f4\u63a5\u5728\u4e0a\u65b9\u7528\u76d1\u89c6\u5668\u83b7\u53d6\u8fd1\u573a\u5206\u5e03\uff0c\u518d\u8fdc\u573a\u6295\u5c04\u52301m\u7403\u9762\uff0c\u8fd9\u6837\u5c31\u80fd\u83b7\u5f97\u66f4\u591a\u7684\u65b9\u5411\u548c\u6570\u636e\u70b9\uff0c\u8fd9\u6837\u83b7\u5f97\u7684E2\u662f\u5426\u662f\u548cgratingpolar\u83b7\u5f97\u7684\u76f8\u540c\uff1f\u8c22\u8c22\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/guanyubsdflichengheyuanchangtoushedewenti\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 4.9.10\" \/>\n\t\t<meta property=\"og:locale\" content=\"en_US\" \/>\n\t\t<meta property=\"og:site_name\" content=\"Ansys Learning Forum | Ansys Innovation Space\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"\u5173\u4e8eBSDF\u4f8b\u7a0b\u548c\u8fdc\u573a\u6295\u5c04\u7684\u95ee\u9898 | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"\u60a8\u597d\uff1a\u6700\u8fd1\u6211\u5728\u53c2\u8003BSDF\u4f8b\u7a0b\u8ba1\u7b97\u53cc\u5411\u53cd\u5c04\u5206\u5e03\u51fd\u6570\uff08BRDF\uff09\u65f6\u9047\u5230\u4e00\u4e9b\u95ee\u9898\u3002\u4f8b\u7a0b\u7684simple.lsf\u811a\u672c\u4e2d\u9996\u5148\u4f7f\u7528up\u9762\u63a5\u6536\u4e0a\u65b9\u6563\u5c04\u5f3a\u5ea6\uff0c\u7136\u540e\u7528gratingpolar\u83b7\u5f97\u4e0d\u540c\u89d2\u5ea6\u7684\u6563\u5c04\u7684\u8fdc\u573aE^2\uff0c\u518d\u5c06\u955c\u9762\u53cd\u5c04\u53bb\u6389\uff0c\u63a5\u7740\u5bf9\u5404\u4e2a\u65b9\u4f4d\u89d2\u4f7f\u7528farfield3dintegrate\u83b7\u5f97\u4e00\u5b9a\u89d2\u5ea6\u5185\u7684E^2\u79ef\u5206\uff0c\u5e76\u6309\u7167\u4e0b\u9762\u7684\u65b9\u5f0f\u6c42BRDF\uff0c\u6700\u540e\u5c06\u7ed3\u679c\u5f52\u4e00\u5316\u5230\u751f\u6210\u7c97\u7cd9\u9762\u7684\u7406\u8bba\u503c\u3002for(i=1:(length(phi)-1)) {result = result + farfield3dintegrate(E2*cos_theta,ux,uy,5,theta,phi(i)) \/ (farfield3dintegrate(0*E2+1,ux,uy,5,theta,phi(i))+1e-20); #\u6c42BRDF} \u6211\u7684\u95ee\u9898\u662f\uff1a\u5728\u8fd9\u4e2a\u4f8b\u7a0b\u7684\u811a\u672c\u4ee3\u7801\u4e2d\uff0c\u6709\u4e00\u884c\u83b7\u53d6gratingpolar\u4e4b\u540e\u7684E2 = (BSDF_up.E2) *(1+transmission(&quot;BSDF::up&quot;));\u4e3a\u4ec0\u4e48\u8fd8\u9700\u8981\u591a\u52a0\u4e00\u4e2a\u900f\u5c04\u7684\u7cfb\u6570?\uff0c\u8fd9\u91cc\u5bfc\u81f4\u6700\u540e\u7684total_power_R\u52a0\u8d77\u6765\u5927\u4e8e1\u6309\u7167\u5e38\u89c1\u7684BRDF\u5b9a\u4e49\uff0cBRDF = dP_s \/ (d\u03a9_s * Pi * cos\u03b8_s)\uff0c\u5982\u4f55\u7406\u89e3\u4ee3\u7801\u4e2dBRDF\u7684\u8ba1\u7b97\u65b9\u5f0f\uff0c\u5b83\u662f\u5982\u4f55\u5b9a\u4e49\u7684\uff1f\u5206\u6bcd\u7684(farfield3dintegrate(0*E2+1,ux,uy,5,theta,phi(i))+1e-20\uff09\uff0c\u5b83\u7684\u610f\u601d\u5e94\u8be5\u662f\u5c06E^2=1\u7684\u5f3a\u5ea6\u6cbfux,uy\u57285\u00b0\u5185\u79ef\u5206\uff0c\u5f97\u5230\u7684\u662f5\u00b0\u5bf9\u5e94\u7684\u7acb\u4f53\u89d2\u3002\u6211\u7406\u89e3\u7684\u4ee3\u7801\u7684\u5b9a\u4e49\u662fBRDF\uff08\u03b8_s\uff09 = Es^2 *cos\u03b8_s \/ \uff08\u03a9_s*1^2)\uff0c\u8fd9\u4e0e\u5e38\u89c1\u7684\u5b9a\u4e49\u4e0d\u540c\uff0c\u53e6\u5916Ps\/Pi \u4e0eEs^2 \/ Ei^2\u662f\u5426\u76f8\u7b49\uff1f\u6211\u5982\u4f55\u51c6\u786e\u83b7\u53d6\u8fd9\u4e00\u4e2a5\u00b0\u534a\u89d2\u79ef\u5206\u533a\u57df\u7684\u529f\u7387Ps\uff1f\u53ef\u4ee5\u4f7f\u7528P=\u03b7 E^2 *A\u76f4\u63a5\u83b7\u5f97\u5417\uff0c\u8fd9\u6837\u7684\u7ed3\u679c\u4e0e\u4f7f\u7528\u6ce2\u5370\u5ef7\u77e2\u91cf\u8ba1\u7b97\u662f\u5426\u76f8\u540c\uff1f\u5982\u679c\u6211\u4e0d\u4f7f\u7528\u4f8b\u7a0b\u4e2d\u7684BSDF\u5206\u6790\u7ec4\uff08\u5206\u6790\u7ec4\u4e2d\u4f7f\u7528gratingpolar\u83b7\u53d6\u7279\u5b9a\u7ea7\u6b21\u65b9\u5411\u7684E^2\uff09\uff0c\u800c\u76f4\u63a5\u5728\u4e0a\u65b9\u7528\u76d1\u89c6\u5668\u83b7\u53d6\u8fd1\u573a\u5206\u5e03\uff0c\u518d\u8fdc\u573a\u6295\u5c04\u52301m\u7403\u9762\uff0c\u8fd9\u6837\u5c31\u80fd\u83b7\u5f97\u66f4\u591a\u7684\u65b9\u5411\u548c\u6570\u636e\u70b9\uff0c\u8fd9\u6837\u83b7\u5f97\u7684E2\u662f\u5426\u662f\u548cgratingpolar\u83b7\u5f97\u7684\u76f8\u540c\uff1f\u8c22\u8c22\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/guanyubsdflichengheyuanchangtoushedewenti\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2024-11-26T14:27:27+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2024-11-26T14:27:27+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"\u5173\u4e8eBSDF\u4f8b\u7a0b\u548c\u8fdc\u573a\u6295\u5c04\u7684\u95ee\u9898 | Ansys Learning Forum\" \/>\n\t\t<meta name=\"twitter:description\" content=\"\u60a8\u597d\uff1a\u6700\u8fd1\u6211\u5728\u53c2\u8003BSDF\u4f8b\u7a0b\u8ba1\u7b97\u53cc\u5411\u53cd\u5c04\u5206\u5e03\u51fd\u6570\uff08BRDF\uff09\u65f6\u9047\u5230\u4e00\u4e9b\u95ee\u9898\u3002\u4f8b\u7a0b\u7684simple.lsf\u811a\u672c\u4e2d\u9996\u5148\u4f7f\u7528up\u9762\u63a5\u6536\u4e0a\u65b9\u6563\u5c04\u5f3a\u5ea6\uff0c\u7136\u540e\u7528gratingpolar\u83b7\u5f97\u4e0d\u540c\u89d2\u5ea6\u7684\u6563\u5c04\u7684\u8fdc\u573aE^2\uff0c\u518d\u5c06\u955c\u9762\u53cd\u5c04\u53bb\u6389\uff0c\u63a5\u7740\u5bf9\u5404\u4e2a\u65b9\u4f4d\u89d2\u4f7f\u7528farfield3dintegrate\u83b7\u5f97\u4e00\u5b9a\u89d2\u5ea6\u5185\u7684E^2\u79ef\u5206\uff0c\u5e76\u6309\u7167\u4e0b\u9762\u7684\u65b9\u5f0f\u6c42BRDF\uff0c\u6700\u540e\u5c06\u7ed3\u679c\u5f52\u4e00\u5316\u5230\u751f\u6210\u7c97\u7cd9\u9762\u7684\u7406\u8bba\u503c\u3002for(i=1:(length(phi)-1)) {result = result + farfield3dintegrate(E2*cos_theta,ux,uy,5,theta,phi(i)) \/ (farfield3dintegrate(0*E2+1,ux,uy,5,theta,phi(i))+1e-20); #\u6c42BRDF} \u6211\u7684\u95ee\u9898\u662f\uff1a\u5728\u8fd9\u4e2a\u4f8b\u7a0b\u7684\u811a\u672c\u4ee3\u7801\u4e2d\uff0c\u6709\u4e00\u884c\u83b7\u53d6gratingpolar\u4e4b\u540e\u7684E2 = (BSDF_up.E2) *(1+transmission(&quot;BSDF::up&quot;));\u4e3a\u4ec0\u4e48\u8fd8\u9700\u8981\u591a\u52a0\u4e00\u4e2a\u900f\u5c04\u7684\u7cfb\u6570?\uff0c\u8fd9\u91cc\u5bfc\u81f4\u6700\u540e\u7684total_power_R\u52a0\u8d77\u6765\u5927\u4e8e1\u6309\u7167\u5e38\u89c1\u7684BRDF\u5b9a\u4e49\uff0cBRDF = dP_s \/ (d\u03a9_s * Pi * cos\u03b8_s)\uff0c\u5982\u4f55\u7406\u89e3\u4ee3\u7801\u4e2dBRDF\u7684\u8ba1\u7b97\u65b9\u5f0f\uff0c\u5b83\u662f\u5982\u4f55\u5b9a\u4e49\u7684\uff1f\u5206\u6bcd\u7684(farfield3dintegrate(0*E2+1,ux,uy,5,theta,phi(i))+1e-20\uff09\uff0c\u5b83\u7684\u610f\u601d\u5e94\u8be5\u662f\u5c06E^2=1\u7684\u5f3a\u5ea6\u6cbfux,uy\u57285\u00b0\u5185\u79ef\u5206\uff0c\u5f97\u5230\u7684\u662f5\u00b0\u5bf9\u5e94\u7684\u7acb\u4f53\u89d2\u3002\u6211\u7406\u89e3\u7684\u4ee3\u7801\u7684\u5b9a\u4e49\u662fBRDF\uff08\u03b8_s\uff09 = Es^2 *cos\u03b8_s \/ \uff08\u03a9_s*1^2)\uff0c\u8fd9\u4e0e\u5e38\u89c1\u7684\u5b9a\u4e49\u4e0d\u540c\uff0c\u53e6\u5916Ps\/Pi \u4e0eEs^2 \/ Ei^2\u662f\u5426\u76f8\u7b49\uff1f\u6211\u5982\u4f55\u51c6\u786e\u83b7\u53d6\u8fd9\u4e00\u4e2a5\u00b0\u534a\u89d2\u79ef\u5206\u533a\u57df\u7684\u529f\u7387Ps\uff1f\u53ef\u4ee5\u4f7f\u7528P=\u03b7 E^2 *A\u76f4\u63a5\u83b7\u5f97\u5417\uff0c\u8fd9\u6837\u7684\u7ed3\u679c\u4e0e\u4f7f\u7528\u6ce2\u5370\u5ef7\u77e2\u91cf\u8ba1\u7b97\u662f\u5426\u76f8\u540c\uff1f\u5982\u679c\u6211\u4e0d\u4f7f\u7528\u4f8b\u7a0b\u4e2d\u7684BSDF\u5206\u6790\u7ec4\uff08\u5206\u6790\u7ec4\u4e2d\u4f7f\u7528gratingpolar\u83b7\u53d6\u7279\u5b9a\u7ea7\u6b21\u65b9\u5411\u7684E^2\uff09\uff0c\u800c\u76f4\u63a5\u5728\u4e0a\u65b9\u7528\u76d1\u89c6\u5668\u83b7\u53d6\u8fd1\u573a\u5206\u5e03\uff0c\u518d\u8fdc\u573a\u6295\u5c04\u52301m\u7403\u9762\uff0c\u8fd9\u6837\u5c31\u80fd\u83b7\u5f97\u66f4\u591a\u7684\u65b9\u5411\u548c\u6570\u636e\u70b9\uff0c\u8fd9\u6837\u83b7\u5f97\u7684E2\u662f\u5426\u662f\u548cgratingpolar\u83b7\u5f97\u7684\u76f8\u540c\uff1f\u8c22\u8c22\" \/>\n\t\t<script type=\"application\/ld+json\" class=\"aioseo-schema\">\n\t\t\t{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/guanyubsdflichengheyuanchangtoushedewenti\\\/#breadcrumblist\",\"itemListElement\":[{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum#listItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/topics\\\/#listItem\",\"name\":\"Topics\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/topics\\\/#listItem\",\"position\":2,\"name\":\"Topics\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/topics\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic-tag\\\/scattering\\\/#listItem\",\"name\":\"scattering\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum#listItem\",\"name\":\"Home\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic-tag\\\/scattering\\\/#listItem\",\"position\":3,\"name\":\"scattering\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic-tag\\\/scattering\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/guanyubsdflichengheyuanchangtoushedewenti\\\/#listItem\",\"name\":\"\\u5173\\u4e8eBSDF\\u4f8b\\u7a0b\\u548c\\u8fdc\\u573a\\u6295\\u5c04\\u7684\\u95ee\\u9898\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/topics\\\/#listItem\",\"name\":\"Topics\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/guanyubsdflichengheyuanchangtoushedewenti\\\/#listItem\",\"position\":4,\"name\":\"\\u5173\\u4e8eBSDF\\u4f8b\\u7a0b\\u548c\\u8fdc\\u573a\\u6295\\u5c04\\u7684\\u95ee\\u9898\",\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic-tag\\\/scattering\\\/#listItem\",\"name\":\"scattering\"}}]},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/#organization\",\"name\":\"Ansys Learning Forum\",\"description\":\"Ansys Innovation Space\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/guanyubsdflichengheyuanchangtoushedewenti\\\/#webpage\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/guanyubsdflichengheyuanchangtoushedewenti\\\/\",\"name\":\"\\u5173\\u4e8eBSDF\\u4f8b\\u7a0b\\u548c\\u8fdc\\u573a\\u6295\\u5c04\\u7684\\u95ee\\u9898 | Ansys Learning Forum\",\"description\":\"\\u60a8\\u597d\\uff1a\\u6700\\u8fd1\\u6211\\u5728\\u53c2\\u8003BSDF\\u4f8b\\u7a0b\\u8ba1\\u7b97\\u53cc\\u5411\\u53cd\\u5c04\\u5206\\u5e03\\u51fd\\u6570\\uff08BRDF\\uff09\\u65f6\\u9047\\u5230\\u4e00\\u4e9b\\u95ee\\u9898\\u3002\\u4f8b\\u7a0b\\u7684simple.lsf\\u811a\\u672c\\u4e2d\\u9996\\u5148\\u4f7f\\u7528up\\u9762\\u63a5\\u6536\\u4e0a\\u65b9\\u6563\\u5c04\\u5f3a\\u5ea6\\uff0c\\u7136\\u540e\\u7528gratingpolar\\u83b7\\u5f97\\u4e0d\\u540c\\u89d2\\u5ea6\\u7684\\u6563\\u5c04\\u7684\\u8fdc\\u573aE^2\\uff0c\\u518d\\u5c06\\u955c\\u9762\\u53cd\\u5c04\\u53bb\\u6389\\uff0c\\u63a5\\u7740\\u5bf9\\u5404\\u4e2a\\u65b9\\u4f4d\\u89d2\\u4f7f\\u7528farfield3dintegrate\\u83b7\\u5f97\\u4e00\\u5b9a\\u89d2\\u5ea6\\u5185\\u7684E^2\\u79ef\\u5206\\uff0c\\u5e76\\u6309\\u7167\\u4e0b\\u9762\\u7684\\u65b9\\u5f0f\\u6c42BRDF\\uff0c\\u6700\\u540e\\u5c06\\u7ed3\\u679c\\u5f52\\u4e00\\u5316\\u5230\\u751f\\u6210\\u7c97\\u7cd9\\u9762\\u7684\\u7406\\u8bba\\u503c\\u3002for(i=1:(length(phi)-1)) {result = result + farfield3dintegrate(E2*cos_theta,ux,uy,5,theta,phi(i)) \\\/ (farfield3dintegrate(0*E2+1,ux,uy,5,theta,phi(i))+1e-20); #\\u6c42BRDF} \\u6211\\u7684\\u95ee\\u9898\\u662f\\uff1a\\u5728\\u8fd9\\u4e2a\\u4f8b\\u7a0b\\u7684\\u811a\\u672c\\u4ee3\\u7801\\u4e2d\\uff0c\\u6709\\u4e00\\u884c\\u83b7\\u53d6gratingpolar\\u4e4b\\u540e\\u7684E2 = (BSDF_up.E2) *(1+transmission(\\\"BSDF::up\\\"));\\u4e3a\\u4ec0\\u4e48\\u8fd8\\u9700\\u8981\\u591a\\u52a0\\u4e00\\u4e2a\\u900f\\u5c04\\u7684\\u7cfb\\u6570?\\uff0c\\u8fd9\\u91cc\\u5bfc\\u81f4\\u6700\\u540e\\u7684total_power_R\\u52a0\\u8d77\\u6765\\u5927\\u4e8e1\\u6309\\u7167\\u5e38\\u89c1\\u7684BRDF\\u5b9a\\u4e49\\uff0cBRDF = dP_s \\\/ (d\\u03a9_s * Pi * cos\\u03b8_s)\\uff0c\\u5982\\u4f55\\u7406\\u89e3\\u4ee3\\u7801\\u4e2dBRDF\\u7684\\u8ba1\\u7b97\\u65b9\\u5f0f\\uff0c\\u5b83\\u662f\\u5982\\u4f55\\u5b9a\\u4e49\\u7684\\uff1f\\u5206\\u6bcd\\u7684(farfield3dintegrate(0*E2+1,ux,uy,5,theta,phi(i))+1e-20\\uff09\\uff0c\\u5b83\\u7684\\u610f\\u601d\\u5e94\\u8be5\\u662f\\u5c06E^2=1\\u7684\\u5f3a\\u5ea6\\u6cbfux,uy\\u57285\\u00b0\\u5185\\u79ef\\u5206\\uff0c\\u5f97\\u5230\\u7684\\u662f5\\u00b0\\u5bf9\\u5e94\\u7684\\u7acb\\u4f53\\u89d2\\u3002\\u6211\\u7406\\u89e3\\u7684\\u4ee3\\u7801\\u7684\\u5b9a\\u4e49\\u662fBRDF\\uff08\\u03b8_s\\uff09 = Es^2 *cos\\u03b8_s \\\/ \\uff08\\u03a9_s*1^2)\\uff0c\\u8fd9\\u4e0e\\u5e38\\u89c1\\u7684\\u5b9a\\u4e49\\u4e0d\\u540c\\uff0c\\u53e6\\u5916Ps\\\/Pi \\u4e0eEs^2 \\\/ Ei^2\\u662f\\u5426\\u76f8\\u7b49\\uff1f\\u6211\\u5982\\u4f55\\u51c6\\u786e\\u83b7\\u53d6\\u8fd9\\u4e00\\u4e2a5\\u00b0\\u534a\\u89d2\\u79ef\\u5206\\u533a\\u57df\\u7684\\u529f\\u7387Ps\\uff1f\\u53ef\\u4ee5\\u4f7f\\u7528P=\\u03b7 E^2 *A\\u76f4\\u63a5\\u83b7\\u5f97\\u5417\\uff0c\\u8fd9\\u6837\\u7684\\u7ed3\\u679c\\u4e0e\\u4f7f\\u7528\\u6ce2\\u5370\\u5ef7\\u77e2\\u91cf\\u8ba1\\u7b97\\u662f\\u5426\\u76f8\\u540c\\uff1f\\u5982\\u679c\\u6211\\u4e0d\\u4f7f\\u7528\\u4f8b\\u7a0b\\u4e2d\\u7684BSDF\\u5206\\u6790\\u7ec4\\uff08\\u5206\\u6790\\u7ec4\\u4e2d\\u4f7f\\u7528gratingpolar\\u83b7\\u53d6\\u7279\\u5b9a\\u7ea7\\u6b21\\u65b9\\u5411\\u7684E^2\\uff09\\uff0c\\u800c\\u76f4\\u63a5\\u5728\\u4e0a\\u65b9\\u7528\\u76d1\\u89c6\\u5668\\u83b7\\u53d6\\u8fd1\\u573a\\u5206\\u5e03\\uff0c\\u518d\\u8fdc\\u573a\\u6295\\u5c04\\u52301m\\u7403\\u9762\\uff0c\\u8fd9\\u6837\\u5c31\\u80fd\\u83b7\\u5f97\\u66f4\\u591a\\u7684\\u65b9\\u5411\\u548c\\u6570\\u636e\\u70b9\\uff0c\\u8fd9\\u6837\\u83b7\\u5f97\\u7684E2\\u662f\\u5426\\u662f\\u548cgratingpolar\\u83b7\\u5f97\\u7684\\u76f8\\u540c\\uff1f\\u8c22\\u8c22\",\"inLanguage\":\"en-US\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/#website\"},\"breadcrumb\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/guanyubsdflichengheyuanchangtoushedewenti\\\/#breadcrumblist\"},\"datePublished\":\"2024-11-26T14:27:27+00:00\",\"dateModified\":\"2024-11-26T14:27:27+00:00\"},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/#website\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/\",\"name\":\"Ansys Learning Forum\",\"description\":\"Ansys Innovation Space\",\"inLanguage\":\"en-US\",\"publisher\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/#organization\"}}]}\n\t\t<\/script>\n\t\t<!-- All in One SEO -->\n\n","aioseo_head_json":{"title":"\u5173\u4e8eBSDF\u4f8b\u7a0b\u548c\u8fdc\u573a\u6295\u5c04\u7684\u95ee\u9898 | Ansys Learning Forum","description":"\u60a8\u597d\uff1a\u6700\u8fd1\u6211\u5728\u53c2\u8003BSDF\u4f8b\u7a0b\u8ba1\u7b97\u53cc\u5411\u53cd\u5c04\u5206\u5e03\u51fd\u6570\uff08BRDF\uff09\u65f6\u9047\u5230\u4e00\u4e9b\u95ee\u9898\u3002\u4f8b\u7a0b\u7684simple.lsf\u811a\u672c\u4e2d\u9996\u5148\u4f7f\u7528up\u9762\u63a5\u6536\u4e0a\u65b9\u6563\u5c04\u5f3a\u5ea6\uff0c\u7136\u540e\u7528gratingpolar\u83b7\u5f97\u4e0d\u540c\u89d2\u5ea6\u7684\u6563\u5c04\u7684\u8fdc\u573aE^2\uff0c\u518d\u5c06\u955c\u9762\u53cd\u5c04\u53bb\u6389\uff0c\u63a5\u7740\u5bf9\u5404\u4e2a\u65b9\u4f4d\u89d2\u4f7f\u7528farfield3dintegrate\u83b7\u5f97\u4e00\u5b9a\u89d2\u5ea6\u5185\u7684E^2\u79ef\u5206\uff0c\u5e76\u6309\u7167\u4e0b\u9762\u7684\u65b9\u5f0f\u6c42BRDF\uff0c\u6700\u540e\u5c06\u7ed3\u679c\u5f52\u4e00\u5316\u5230\u751f\u6210\u7c97\u7cd9\u9762\u7684\u7406\u8bba\u503c\u3002for(i=1:(length(phi)-1)) {result = result + farfield3dintegrate(E2*cos_theta,ux,uy,5,theta,phi(i)) \/ (farfield3dintegrate(0*E2+1,ux,uy,5,theta,phi(i))+1e-20); #\u6c42BRDF} \u6211\u7684\u95ee\u9898\u662f\uff1a\u5728\u8fd9\u4e2a\u4f8b\u7a0b\u7684\u811a\u672c\u4ee3\u7801\u4e2d\uff0c\u6709\u4e00\u884c\u83b7\u53d6gratingpolar\u4e4b\u540e\u7684E2 = (BSDF_up.E2) *(1+transmission(\"BSDF::up\"));\u4e3a\u4ec0\u4e48\u8fd8\u9700\u8981\u591a\u52a0\u4e00\u4e2a\u900f\u5c04\u7684\u7cfb\u6570?\uff0c\u8fd9\u91cc\u5bfc\u81f4\u6700\u540e\u7684total_power_R\u52a0\u8d77\u6765\u5927\u4e8e1\u6309\u7167\u5e38\u89c1\u7684BRDF\u5b9a\u4e49\uff0cBRDF = dP_s \/ (d\u03a9_s * Pi * cos\u03b8_s)\uff0c\u5982\u4f55\u7406\u89e3\u4ee3\u7801\u4e2dBRDF\u7684\u8ba1\u7b97\u65b9\u5f0f\uff0c\u5b83\u662f\u5982\u4f55\u5b9a\u4e49\u7684\uff1f\u5206\u6bcd\u7684(farfield3dintegrate(0*E2+1,ux,uy,5,theta,phi(i))+1e-20\uff09\uff0c\u5b83\u7684\u610f\u601d\u5e94\u8be5\u662f\u5c06E^2=1\u7684\u5f3a\u5ea6\u6cbfux,uy\u57285\u00b0\u5185\u79ef\u5206\uff0c\u5f97\u5230\u7684\u662f5\u00b0\u5bf9\u5e94\u7684\u7acb\u4f53\u89d2\u3002\u6211\u7406\u89e3\u7684\u4ee3\u7801\u7684\u5b9a\u4e49\u662fBRDF\uff08\u03b8_s\uff09 = Es^2 *cos\u03b8_s \/ \uff08\u03a9_s*1^2)\uff0c\u8fd9\u4e0e\u5e38\u89c1\u7684\u5b9a\u4e49\u4e0d\u540c\uff0c\u53e6\u5916Ps\/Pi \u4e0eEs^2 \/ Ei^2\u662f\u5426\u76f8\u7b49\uff1f\u6211\u5982\u4f55\u51c6\u786e\u83b7\u53d6\u8fd9\u4e00\u4e2a5\u00b0\u534a\u89d2\u79ef\u5206\u533a\u57df\u7684\u529f\u7387Ps\uff1f\u53ef\u4ee5\u4f7f\u7528P=\u03b7 E^2 *A\u76f4\u63a5\u83b7\u5f97\u5417\uff0c\u8fd9\u6837\u7684\u7ed3\u679c\u4e0e\u4f7f\u7528\u6ce2\u5370\u5ef7\u77e2\u91cf\u8ba1\u7b97\u662f\u5426\u76f8\u540c\uff1f\u5982\u679c\u6211\u4e0d\u4f7f\u7528\u4f8b\u7a0b\u4e2d\u7684BSDF\u5206\u6790\u7ec4\uff08\u5206\u6790\u7ec4\u4e2d\u4f7f\u7528gratingpolar\u83b7\u53d6\u7279\u5b9a\u7ea7\u6b21\u65b9\u5411\u7684E^2\uff09\uff0c\u800c\u76f4\u63a5\u5728\u4e0a\u65b9\u7528\u76d1\u89c6\u5668\u83b7\u53d6\u8fd1\u573a\u5206\u5e03\uff0c\u518d\u8fdc\u573a\u6295\u5c04\u52301m\u7403\u9762\uff0c\u8fd9\u6837\u5c31\u80fd\u83b7\u5f97\u66f4\u591a\u7684\u65b9\u5411\u548c\u6570\u636e\u70b9\uff0c\u8fd9\u6837\u83b7\u5f97\u7684E2\u662f\u5426\u662f\u548cgratingpolar\u83b7\u5f97\u7684\u76f8\u540c\uff1f\u8c22\u8c22","canonical_url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/guanyubsdflichengheyuanchangtoushedewenti\/","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"BreadcrumbList","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/guanyubsdflichengheyuanchangtoushedewenti\/#breadcrumblist","itemListElement":[{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum#listItem","position":1,"name":"Home","item":"https:\/\/innovationspace.ansys.com\/forum","nextItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/topics\/#listItem","name":"Topics"}},{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/topics\/#listItem","position":2,"name":"Topics","item":"https:\/\/innovationspace.ansys.com\/forum\/topics\/","nextItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic-tag\/scattering\/#listItem","name":"scattering"},"previousItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum#listItem","name":"Home"}},{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic-tag\/scattering\/#listItem","position":3,"name":"scattering","item":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic-tag\/scattering\/","nextItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/guanyubsdflichengheyuanchangtoushedewenti\/#listItem","name":"\u5173\u4e8eBSDF\u4f8b\u7a0b\u548c\u8fdc\u573a\u6295\u5c04\u7684\u95ee\u9898"},"previousItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/topics\/#listItem","name":"Topics"}},{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/guanyubsdflichengheyuanchangtoushedewenti\/#listItem","position":4,"name":"\u5173\u4e8eBSDF\u4f8b\u7a0b\u548c\u8fdc\u573a\u6295\u5c04\u7684\u95ee\u9898","previousItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic-tag\/scattering\/#listItem","name":"scattering"}}]},{"@type":"Organization","@id":"https:\/\/innovationspace.ansys.com\/forum\/#organization","name":"Ansys Learning Forum","description":"Ansys Innovation Space","url":"https:\/\/innovationspace.ansys.com\/forum\/"},{"@type":"WebPage","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/guanyubsdflichengheyuanchangtoushedewenti\/#webpage","url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/guanyubsdflichengheyuanchangtoushedewenti\/","name":"\u5173\u4e8eBSDF\u4f8b\u7a0b\u548c\u8fdc\u573a\u6295\u5c04\u7684\u95ee\u9898 | Ansys Learning Forum","description":"\u60a8\u597d\uff1a\u6700\u8fd1\u6211\u5728\u53c2\u8003BSDF\u4f8b\u7a0b\u8ba1\u7b97\u53cc\u5411\u53cd\u5c04\u5206\u5e03\u51fd\u6570\uff08BRDF\uff09\u65f6\u9047\u5230\u4e00\u4e9b\u95ee\u9898\u3002\u4f8b\u7a0b\u7684simple.lsf\u811a\u672c\u4e2d\u9996\u5148\u4f7f\u7528up\u9762\u63a5\u6536\u4e0a\u65b9\u6563\u5c04\u5f3a\u5ea6\uff0c\u7136\u540e\u7528gratingpolar\u83b7\u5f97\u4e0d\u540c\u89d2\u5ea6\u7684\u6563\u5c04\u7684\u8fdc\u573aE^2\uff0c\u518d\u5c06\u955c\u9762\u53cd\u5c04\u53bb\u6389\uff0c\u63a5\u7740\u5bf9\u5404\u4e2a\u65b9\u4f4d\u89d2\u4f7f\u7528farfield3dintegrate\u83b7\u5f97\u4e00\u5b9a\u89d2\u5ea6\u5185\u7684E^2\u79ef\u5206\uff0c\u5e76\u6309\u7167\u4e0b\u9762\u7684\u65b9\u5f0f\u6c42BRDF\uff0c\u6700\u540e\u5c06\u7ed3\u679c\u5f52\u4e00\u5316\u5230\u751f\u6210\u7c97\u7cd9\u9762\u7684\u7406\u8bba\u503c\u3002for(i=1:(length(phi)-1)) {result = result + farfield3dintegrate(E2*cos_theta,ux,uy,5,theta,phi(i)) \/ (farfield3dintegrate(0*E2+1,ux,uy,5,theta,phi(i))+1e-20); #\u6c42BRDF} \u6211\u7684\u95ee\u9898\u662f\uff1a\u5728\u8fd9\u4e2a\u4f8b\u7a0b\u7684\u811a\u672c\u4ee3\u7801\u4e2d\uff0c\u6709\u4e00\u884c\u83b7\u53d6gratingpolar\u4e4b\u540e\u7684E2 = (BSDF_up.E2) *(1+transmission(\"BSDF::up\"));\u4e3a\u4ec0\u4e48\u8fd8\u9700\u8981\u591a\u52a0\u4e00\u4e2a\u900f\u5c04\u7684\u7cfb\u6570?\uff0c\u8fd9\u91cc\u5bfc\u81f4\u6700\u540e\u7684total_power_R\u52a0\u8d77\u6765\u5927\u4e8e1\u6309\u7167\u5e38\u89c1\u7684BRDF\u5b9a\u4e49\uff0cBRDF = dP_s \/ (d\u03a9_s * Pi * cos\u03b8_s)\uff0c\u5982\u4f55\u7406\u89e3\u4ee3\u7801\u4e2dBRDF\u7684\u8ba1\u7b97\u65b9\u5f0f\uff0c\u5b83\u662f\u5982\u4f55\u5b9a\u4e49\u7684\uff1f\u5206\u6bcd\u7684(farfield3dintegrate(0*E2+1,ux,uy,5,theta,phi(i))+1e-20\uff09\uff0c\u5b83\u7684\u610f\u601d\u5e94\u8be5\u662f\u5c06E^2=1\u7684\u5f3a\u5ea6\u6cbfux,uy\u57285\u00b0\u5185\u79ef\u5206\uff0c\u5f97\u5230\u7684\u662f5\u00b0\u5bf9\u5e94\u7684\u7acb\u4f53\u89d2\u3002\u6211\u7406\u89e3\u7684\u4ee3\u7801\u7684\u5b9a\u4e49\u662fBRDF\uff08\u03b8_s\uff09 = Es^2 *cos\u03b8_s \/ \uff08\u03a9_s*1^2)\uff0c\u8fd9\u4e0e\u5e38\u89c1\u7684\u5b9a\u4e49\u4e0d\u540c\uff0c\u53e6\u5916Ps\/Pi \u4e0eEs^2 \/ Ei^2\u662f\u5426\u76f8\u7b49\uff1f\u6211\u5982\u4f55\u51c6\u786e\u83b7\u53d6\u8fd9\u4e00\u4e2a5\u00b0\u534a\u89d2\u79ef\u5206\u533a\u57df\u7684\u529f\u7387Ps\uff1f\u53ef\u4ee5\u4f7f\u7528P=\u03b7 E^2 *A\u76f4\u63a5\u83b7\u5f97\u5417\uff0c\u8fd9\u6837\u7684\u7ed3\u679c\u4e0e\u4f7f\u7528\u6ce2\u5370\u5ef7\u77e2\u91cf\u8ba1\u7b97\u662f\u5426\u76f8\u540c\uff1f\u5982\u679c\u6211\u4e0d\u4f7f\u7528\u4f8b\u7a0b\u4e2d\u7684BSDF\u5206\u6790\u7ec4\uff08\u5206\u6790\u7ec4\u4e2d\u4f7f\u7528gratingpolar\u83b7\u53d6\u7279\u5b9a\u7ea7\u6b21\u65b9\u5411\u7684E^2\uff09\uff0c\u800c\u76f4\u63a5\u5728\u4e0a\u65b9\u7528\u76d1\u89c6\u5668\u83b7\u53d6\u8fd1\u573a\u5206\u5e03\uff0c\u518d\u8fdc\u573a\u6295\u5c04\u52301m\u7403\u9762\uff0c\u8fd9\u6837\u5c31\u80fd\u83b7\u5f97\u66f4\u591a\u7684\u65b9\u5411\u548c\u6570\u636e\u70b9\uff0c\u8fd9\u6837\u83b7\u5f97\u7684E2\u662f\u5426\u662f\u548cgratingpolar\u83b7\u5f97\u7684\u76f8\u540c\uff1f\u8c22\u8c22","inLanguage":"en-US","isPartOf":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/#website"},"breadcrumb":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/guanyubsdflichengheyuanchangtoushedewenti\/#breadcrumblist"},"datePublished":"2024-11-26T14:27:27+00:00","dateModified":"2024-11-26T14:27:27+00:00"},{"@type":"WebSite","@id":"https:\/\/innovationspace.ansys.com\/forum\/#website","url":"https:\/\/innovationspace.ansys.com\/forum\/","name":"Ansys Learning Forum","description":"Ansys Innovation Space","inLanguage":"en-US","publisher":{"@id":"https:\/\/innovationspace.ansys.com\/forum\/#organization"}}]},"og:locale":"en_US","og:site_name":"Ansys Learning Forum | Ansys Innovation Space","og:type":"article","og:title":"\u5173\u4e8eBSDF\u4f8b\u7a0b\u548c\u8fdc\u573a\u6295\u5c04\u7684\u95ee\u9898 | Ansys Learning Forum","og:description":"\u60a8\u597d\uff1a\u6700\u8fd1\u6211\u5728\u53c2\u8003BSDF\u4f8b\u7a0b\u8ba1\u7b97\u53cc\u5411\u53cd\u5c04\u5206\u5e03\u51fd\u6570\uff08BRDF\uff09\u65f6\u9047\u5230\u4e00\u4e9b\u95ee\u9898\u3002\u4f8b\u7a0b\u7684simple.lsf\u811a\u672c\u4e2d\u9996\u5148\u4f7f\u7528up\u9762\u63a5\u6536\u4e0a\u65b9\u6563\u5c04\u5f3a\u5ea6\uff0c\u7136\u540e\u7528gratingpolar\u83b7\u5f97\u4e0d\u540c\u89d2\u5ea6\u7684\u6563\u5c04\u7684\u8fdc\u573aE^2\uff0c\u518d\u5c06\u955c\u9762\u53cd\u5c04\u53bb\u6389\uff0c\u63a5\u7740\u5bf9\u5404\u4e2a\u65b9\u4f4d\u89d2\u4f7f\u7528farfield3dintegrate\u83b7\u5f97\u4e00\u5b9a\u89d2\u5ea6\u5185\u7684E^2\u79ef\u5206\uff0c\u5e76\u6309\u7167\u4e0b\u9762\u7684\u65b9\u5f0f\u6c42BRDF\uff0c\u6700\u540e\u5c06\u7ed3\u679c\u5f52\u4e00\u5316\u5230\u751f\u6210\u7c97\u7cd9\u9762\u7684\u7406\u8bba\u503c\u3002for(i=1:(length(phi)-1)) {result = result + farfield3dintegrate(E2*cos_theta,ux,uy,5,theta,phi(i)) \/ (farfield3dintegrate(0*E2+1,ux,uy,5,theta,phi(i))+1e-20); #\u6c42BRDF} \u6211\u7684\u95ee\u9898\u662f\uff1a\u5728\u8fd9\u4e2a\u4f8b\u7a0b\u7684\u811a\u672c\u4ee3\u7801\u4e2d\uff0c\u6709\u4e00\u884c\u83b7\u53d6gratingpolar\u4e4b\u540e\u7684E2 = (BSDF_up.E2) *(1+transmission(&quot;BSDF::up&quot;));\u4e3a\u4ec0\u4e48\u8fd8\u9700\u8981\u591a\u52a0\u4e00\u4e2a\u900f\u5c04\u7684\u7cfb\u6570?\uff0c\u8fd9\u91cc\u5bfc\u81f4\u6700\u540e\u7684total_power_R\u52a0\u8d77\u6765\u5927\u4e8e1\u6309\u7167\u5e38\u89c1\u7684BRDF\u5b9a\u4e49\uff0cBRDF = dP_s \/ (d\u03a9_s * Pi * cos\u03b8_s)\uff0c\u5982\u4f55\u7406\u89e3\u4ee3\u7801\u4e2dBRDF\u7684\u8ba1\u7b97\u65b9\u5f0f\uff0c\u5b83\u662f\u5982\u4f55\u5b9a\u4e49\u7684\uff1f\u5206\u6bcd\u7684(farfield3dintegrate(0*E2+1,ux,uy,5,theta,phi(i))+1e-20\uff09\uff0c\u5b83\u7684\u610f\u601d\u5e94\u8be5\u662f\u5c06E^2=1\u7684\u5f3a\u5ea6\u6cbfux,uy\u57285\u00b0\u5185\u79ef\u5206\uff0c\u5f97\u5230\u7684\u662f5\u00b0\u5bf9\u5e94\u7684\u7acb\u4f53\u89d2\u3002\u6211\u7406\u89e3\u7684\u4ee3\u7801\u7684\u5b9a\u4e49\u662fBRDF\uff08\u03b8_s\uff09 = Es^2 *cos\u03b8_s \/ \uff08\u03a9_s*1^2)\uff0c\u8fd9\u4e0e\u5e38\u89c1\u7684\u5b9a\u4e49\u4e0d\u540c\uff0c\u53e6\u5916Ps\/Pi \u4e0eEs^2 \/ Ei^2\u662f\u5426\u76f8\u7b49\uff1f\u6211\u5982\u4f55\u51c6\u786e\u83b7\u53d6\u8fd9\u4e00\u4e2a5\u00b0\u534a\u89d2\u79ef\u5206\u533a\u57df\u7684\u529f\u7387Ps\uff1f\u53ef\u4ee5\u4f7f\u7528P=\u03b7 E^2 *A\u76f4\u63a5\u83b7\u5f97\u5417\uff0c\u8fd9\u6837\u7684\u7ed3\u679c\u4e0e\u4f7f\u7528\u6ce2\u5370\u5ef7\u77e2\u91cf\u8ba1\u7b97\u662f\u5426\u76f8\u540c\uff1f\u5982\u679c\u6211\u4e0d\u4f7f\u7528\u4f8b\u7a0b\u4e2d\u7684BSDF\u5206\u6790\u7ec4\uff08\u5206\u6790\u7ec4\u4e2d\u4f7f\u7528gratingpolar\u83b7\u53d6\u7279\u5b9a\u7ea7\u6b21\u65b9\u5411\u7684E^2\uff09\uff0c\u800c\u76f4\u63a5\u5728\u4e0a\u65b9\u7528\u76d1\u89c6\u5668\u83b7\u53d6\u8fd1\u573a\u5206\u5e03\uff0c\u518d\u8fdc\u573a\u6295\u5c04\u52301m\u7403\u9762\uff0c\u8fd9\u6837\u5c31\u80fd\u83b7\u5f97\u66f4\u591a\u7684\u65b9\u5411\u548c\u6570\u636e\u70b9\uff0c\u8fd9\u6837\u83b7\u5f97\u7684E2\u662f\u5426\u662f\u548cgratingpolar\u83b7\u5f97\u7684\u76f8\u540c\uff1f\u8c22\u8c22","og:url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/guanyubsdflichengheyuanchangtoushedewenti\/","article:published_time":"2024-11-26T14:27:27+00:00","article:modified_time":"2024-11-26T14:27:27+00:00","twitter:card":"summary_large_image","twitter:title":"\u5173\u4e8eBSDF\u4f8b\u7a0b\u548c\u8fdc\u573a\u6295\u5c04\u7684\u95ee\u9898 | Ansys Learning Forum","twitter:description":"\u60a8\u597d\uff1a\u6700\u8fd1\u6211\u5728\u53c2\u8003BSDF\u4f8b\u7a0b\u8ba1\u7b97\u53cc\u5411\u53cd\u5c04\u5206\u5e03\u51fd\u6570\uff08BRDF\uff09\u65f6\u9047\u5230\u4e00\u4e9b\u95ee\u9898\u3002\u4f8b\u7a0b\u7684simple.lsf\u811a\u672c\u4e2d\u9996\u5148\u4f7f\u7528up\u9762\u63a5\u6536\u4e0a\u65b9\u6563\u5c04\u5f3a\u5ea6\uff0c\u7136\u540e\u7528gratingpolar\u83b7\u5f97\u4e0d\u540c\u89d2\u5ea6\u7684\u6563\u5c04\u7684\u8fdc\u573aE^2\uff0c\u518d\u5c06\u955c\u9762\u53cd\u5c04\u53bb\u6389\uff0c\u63a5\u7740\u5bf9\u5404\u4e2a\u65b9\u4f4d\u89d2\u4f7f\u7528farfield3dintegrate\u83b7\u5f97\u4e00\u5b9a\u89d2\u5ea6\u5185\u7684E^2\u79ef\u5206\uff0c\u5e76\u6309\u7167\u4e0b\u9762\u7684\u65b9\u5f0f\u6c42BRDF\uff0c\u6700\u540e\u5c06\u7ed3\u679c\u5f52\u4e00\u5316\u5230\u751f\u6210\u7c97\u7cd9\u9762\u7684\u7406\u8bba\u503c\u3002for(i=1:(length(phi)-1)) {result = result + farfield3dintegrate(E2*cos_theta,ux,uy,5,theta,phi(i)) \/ (farfield3dintegrate(0*E2+1,ux,uy,5,theta,phi(i))+1e-20); #\u6c42BRDF} \u6211\u7684\u95ee\u9898\u662f\uff1a\u5728\u8fd9\u4e2a\u4f8b\u7a0b\u7684\u811a\u672c\u4ee3\u7801\u4e2d\uff0c\u6709\u4e00\u884c\u83b7\u53d6gratingpolar\u4e4b\u540e\u7684E2 = (BSDF_up.E2) *(1+transmission(&quot;BSDF::up&quot;));\u4e3a\u4ec0\u4e48\u8fd8\u9700\u8981\u591a\u52a0\u4e00\u4e2a\u900f\u5c04\u7684\u7cfb\u6570?\uff0c\u8fd9\u91cc\u5bfc\u81f4\u6700\u540e\u7684total_power_R\u52a0\u8d77\u6765\u5927\u4e8e1\u6309\u7167\u5e38\u89c1\u7684BRDF\u5b9a\u4e49\uff0cBRDF = dP_s \/ (d\u03a9_s * Pi * cos\u03b8_s)\uff0c\u5982\u4f55\u7406\u89e3\u4ee3\u7801\u4e2dBRDF\u7684\u8ba1\u7b97\u65b9\u5f0f\uff0c\u5b83\u662f\u5982\u4f55\u5b9a\u4e49\u7684\uff1f\u5206\u6bcd\u7684(farfield3dintegrate(0*E2+1,ux,uy,5,theta,phi(i))+1e-20\uff09\uff0c\u5b83\u7684\u610f\u601d\u5e94\u8be5\u662f\u5c06E^2=1\u7684\u5f3a\u5ea6\u6cbfux,uy\u57285\u00b0\u5185\u79ef\u5206\uff0c\u5f97\u5230\u7684\u662f5\u00b0\u5bf9\u5e94\u7684\u7acb\u4f53\u89d2\u3002\u6211\u7406\u89e3\u7684\u4ee3\u7801\u7684\u5b9a\u4e49\u662fBRDF\uff08\u03b8_s\uff09 = Es^2 *cos\u03b8_s \/ \uff08\u03a9_s*1^2)\uff0c\u8fd9\u4e0e\u5e38\u89c1\u7684\u5b9a\u4e49\u4e0d\u540c\uff0c\u53e6\u5916Ps\/Pi \u4e0eEs^2 \/ Ei^2\u662f\u5426\u76f8\u7b49\uff1f\u6211\u5982\u4f55\u51c6\u786e\u83b7\u53d6\u8fd9\u4e00\u4e2a5\u00b0\u534a\u89d2\u79ef\u5206\u533a\u57df\u7684\u529f\u7387Ps\uff1f\u53ef\u4ee5\u4f7f\u7528P=\u03b7 E^2 *A\u76f4\u63a5\u83b7\u5f97\u5417\uff0c\u8fd9\u6837\u7684\u7ed3\u679c\u4e0e\u4f7f\u7528\u6ce2\u5370\u5ef7\u77e2\u91cf\u8ba1\u7b97\u662f\u5426\u76f8\u540c\uff1f\u5982\u679c\u6211\u4e0d\u4f7f\u7528\u4f8b\u7a0b\u4e2d\u7684BSDF\u5206\u6790\u7ec4\uff08\u5206\u6790\u7ec4\u4e2d\u4f7f\u7528gratingpolar\u83b7\u53d6\u7279\u5b9a\u7ea7\u6b21\u65b9\u5411\u7684E^2\uff09\uff0c\u800c\u76f4\u63a5\u5728\u4e0a\u65b9\u7528\u76d1\u89c6\u5668\u83b7\u53d6\u8fd1\u573a\u5206\u5e03\uff0c\u518d\u8fdc\u573a\u6295\u5c04\u52301m\u7403\u9762\uff0c\u8fd9\u6837\u5c31\u80fd\u83b7\u5f97\u66f4\u591a\u7684\u65b9\u5411\u548c\u6570\u636e\u70b9\uff0c\u8fd9\u6837\u83b7\u5f97\u7684E2\u662f\u5426\u662f\u548cgratingpolar\u83b7\u5f97\u7684\u76f8\u540c\uff1f\u8c22\u8c22"},"aioseo_meta_data":{"post_id":"395358","title":null,"description":null,"keywords":null,"keyphrases":null,"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"default","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":null,"og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"","isEnabled":true},"graphs":[]},"schema_type":"default","schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":null,"robots_max_videopreview":null,"robots_max_imagepreview":"large","priority":null,"frequency":null,"local_seo":null,"limit_modified_date":false,"created":"2025-10-19 09:37:58","updated":"2025-10-19 09:37:58","ai":null,"breadcrumb_settings":null,"seo_analyzer_scan_date":null},"aioseo_breadcrumb":"<div class=\"aioseo-breadcrumbs\"><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/innovationspace.ansys.com\/forum\" title=\"Home\">Home<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/innovationspace.ansys.com\/forum\/topics\/\" title=\"Topics\">Topics<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic-tag\/scattering\/\" title=\"scattering\">scattering<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\t\u5173\u4e8eBSDF\u4f8b\u7a0b\u548c\u8fdc\u573a\u6295\u5c04\u7684\u95ee\u9898\n\t\t<\/span><\/div>","aioseo_breadcrumb_json":[{"label":"Home","link":"https:\/\/innovationspace.ansys.com\/forum"},{"label":"Topics","link":"https:\/\/innovationspace.ansys.com\/forum\/topics\/"},{"label":"scattering","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic-tag\/scattering\/"},{"label":"\u5173\u4e8eBSDF\u4f8b\u7a0b\u548c\u8fdc\u573a\u6295\u5c04\u7684\u95ee\u9898","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/guanyubsdflichengheyuanchangtoushedewenti\/"}],"acf":[],"custom_fields":[{"0":{"_bbp_subscription":["418428","799"],"_bbp_author_ip":["50.114.153.249"],"_btv_view_count":["290"],"_bbp_topic_status":["unanswered"],"_bbp_topic_id":["395358"],"_bbp_forum_id":["27835"],"_bbp_engagement":["418428","799"],"_bbp_voice_count":["2"],"_bbp_reply_count":["1"],"_bbp_last_reply_id":["397939"],"_bbp_last_active_id":["397939"],"_bbp_last_active_time":["2024-12-19 03:22:56"]},"test":"40b96bacfbfda3f9e99352b5820ad85b300fdd69"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/395358","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics"}],"about":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/types\/topic"}],"version-history":[{"count":0,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/395358\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=395358"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}