To study ray (vector) analysis and pixel (grid) analysis which are applied in the calculation of field strength of radio coverage, and compare their differences and characteristics.
研究无线覆盖场强计算中使用的射线分析法(矢量法)与像素分析法(栅格法)，并比较二者的区别和特性。
In the process of measuring radio frequency absorb material by vector network analyzer, the impedance of rectanglecoaxial measuring device is mismatched and cause redundant reflection.
在使用矢量网络分析仪对射频吸波材料进行测试的过程中，由于矩形同轴装置阻抗不匹配，将引起不希望有的反射。
The vector network analyzer is the special instrument that tests microwave and radio frequency devices, its application is very extensive in the wireless measurement field.
矢量网络分析仪是测试微波射频器件的专用仪器，在无线电测试领域应用非常广泛。
Each cell can scatter radio wave so that total echo received by fuse is sum of each scattering echo vector.
每个单元都会散射电磁波，总的回波是各个散射波的矢量和。
Each cell can scatter radio wave so that total echo received by fuse is sum of each scattering echo vector.
每个单元都会散射电磁波，总的回波是各个散射波的矢量和。
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