提出了一种实用的测量微波谐振器无载品质因素的方法，在临界点法的基础上，消除了馈线引入的相移。
A practical method of measuring microwave resonator unloaded Q-factor is presented, which could eliminate phase shift of feed line when Q-factor is estimated by critical-points method.
本文用3厘米微波干涉仪，以锁相放大器作检测器，测量了微波通过气体放电管时所引起的相移。
A 3 cm X-band microwave interferometer with a phase-locked amplifier as detector has been used to measure small phase changes as a microwave beam passing through the gas discharge tube.
相移器是微波系统中的常用元件，它的作用是使通过的电磁波产生一定的相位移，因此它在微波相位控制和功率合成方面具有重要意义。
Phase shifter is a commonly-used component in microwave system. Its function is to make the passed electromagnetic wave phase shift, so it's very useful on the phase control and power synthesis area.
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