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研究了一种适宜短毫米波复数反射系数的新型电桥法.该方法远较开驻波测量线法精确,省时,且无需对电桥的主体元件——双T接头的性能作苛刻的要求,用现成的商用毫米波元件即可组建系统.文章给出了该测量系统的工作理论和测量误差分析.对该方法中特需的元件——标准相移器,给出了采用压缩波导结构的设计方法和实现结果.在56.5GHz完成了测量系统的调试、校准,并测量了全高波导金属插杆座,测量结果与理论预计一致.
A new bridge method suitable for short millimeter wave complex reflectance is studied, which is much more accurate and time saving than the standing wave measurement method, and it is not necessary to harsh the performance of double T connector Requirements, the ready-made commercial millimeter-wave components can be used to build the system.The article gives the working theory and measurement error analysis of the measurement system.For the special components required in the method - the standard phase shifter, the use of compressed waveguide structure Design and implementation of the results at 56.5GHz completed the commissioning of the measurement system, calibration, and measurement of the full height waveguide metal plunger seat, the measurement results and the theoretical prediction.