文摘：提出一种可消除热零点漂移的压阻式压力传感器。
Abstract: a pressure sensor which can cancel thermal zero shift is described.
该方法可以有效的消除因本振信号频率漂移及闸门信号与被测信号的非同步引起的测相误差，同时提高了测量速度。
The phase detecting error caused by local oscillator frequency drift and non-synchronization of measurement signal and gate signal is eliminated and the measurement speed is improved at the same time.
在干涉型光纤传感器的实用化设计过程中，相位随机漂移补偿及强信号下出现的倍频的消除是关键问题之一。
During the design of a practical interferometric fiber-optic sensor, one of the key problems is to compensate phase random shifting and eliminate frequency doubling caused by strong signal.
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