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在“微波大系统相移的精确测量方法”一文中,介绍了用“双电缆”或“四电缆”测相法消除微波大系统相移测试中长电缆移动或绕过障碍物时相移变化带来的测相误差,使微波大系统的测相精度显著提高。本文介绍微波大系统相移精确测量的“交叉换位法”,这种方法可以精确地测出微波主系统馈线和监测系统馈线中任意两路之间的相移差(也可以测出幅度差),不仅在系统的使用和维护中非常有用,而且可以直接用于调整整个微波系统。
In the article “Accurate Measurement of Phase Shifts in Large Microwave Systems,” a paper describes the phase-to-phase variation of long cables moving or bypassing obstructions in a phase-shift test using the “two-wire” or “four-wire” Bring the phase error, so that the microwave phase measurement system significantly improve the accuracy. This article introduces the “cross-permutation method” for precise measurement of phase shift in microwave large systems. This method can accurately measure the phase shift difference between any two of the feeder of the microwave main system and the feeder of the monitoring system ), Not only useful in the system’s use and maintenance, but also directly for tuning the entire microwave system.