FEKO中散射参量计算的探讨.docx

FEKO计算散射参量的推导（2014.06.19）FEKO计算散射参量的推导1. 仿真模型（a） 标准矩形开口波导扫描标准增益角锥喇叭模型（b） 散射参量计算设置图1 CAD FEKO设置1. 散射参量计算结果l S11计算结果如下所示：S-parameterFrequency HzSParameters1 1.500000000000E+104.727419093888E-02图2 S11l S21计算结果S-parameterFrequency HzSParameters1 1.500000000000E+104.306990269174E-04图3 S212. out文件输出信息图4 out文件主要内容摘录如下：BACKWARD WAVE EXPANSION DATA OF WAVEGUIDE PORTPort label: HornAntenna.Face159Mode indicesRotation angleBackward coefficient in V/mBackward coefficient in A/mDescriptionmnmagn.phasemagn.phaseTE01n/a1.47857E-01-55.973.04134E-04-145.97EvanescentTE10n/a2.29935E+0195.444.72742E-0295.44PropagatingTE11n/a4.63926E-02170.101.23180E-0480.10EvanescentTE20n/a6.64537E-0238.581.36669E-04-51.42EvanescentTE21n/a4.09820E-0240.071.61381E-04-49.93EvanescentTM11n/a5.93686E-0287.921.57544E-04177.92EvanescentTM21n/a6.68103E-02-59.391.19543E-0430.61EvanescentBACKWARD WAVE EXPANSION DATA OF WAVEGUIDE PORTPort label: probe.Face163Mode indicesRotation angleBackward coefficient in V/mBackward coefficient in A/mDescriptionmnmagn.phasemagn.phaseTE01n/a2.09486E-01-2.874.30699E-04-2.87PropagatingTE02n/a4.01217E-03-51.248.25146E-06-141.24EvanescentTE10n/a8.80888E-01-38.091.81195E-03-128.09EvanescentTE11n/a8.90166E-03-170.992.36355E-0599.01EvanescentTE12n/a1.88231E-02-170.317.41226E-0599.69EvanescentTM11n/a1.08521E-03-90.642.87978E-06-0.64EvanescentTM12n/a5.69275E-02-55.161.01860E-0434.84Evanescent3. 散射参量的计算推导1. 假设输入的电场值为，2. 由