To overcome the disadvantages of light intensity difference frequency stabilization, the dithering frequency stabilization for four frequency differential laser gyro is studied in this paper.
为避免传统光强差稳频方式的缺陷，提出了四频差动激光陀螺小抖动稳频方法。
In addition to alternating phase difference between two aims of interferometer, the intensity of light of the interference fringes will vary in the same frequency, which is called as phase modulation.
当两相干光附加一按固定频率变化的相位差时，其干涉条纹的光强将随之交变，即为相位调制干涉。
This difference affects light intensity and frequency of the modes, and as a result leads to zero drift.
损耗影响激发模的光强和频率，在陀螺中损耗不同将会导致零漂。
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