针对介质损耗测量在准确度和抗干扰等方面的不足，提出了一种基于注入信号法的介损测量新方法。
Traditional methods for the measurement of dielectric loss are difficult to meet the requirement of accuracy and anti-interference.
用BPM方法分析了波导结构的传输损耗，用有限元法分析了二维PIN结的电注入特性。
The transmission characteristics of the new waveguide structure were analyzed using BPM method. The finite difference method was employed to analyze the 2D PIN junction injection characteristics.
回波损耗测试是通过向双绞线注入DM(差模信号)然后测试返回的DM信号，然而TCL是测试CM信号。
Except a return Loss measurement is made by injecting a DM signal into the pair and measuring the DM signal returned. Here we are measuring the CM signal returned which is TCL.
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