讨论了激光脉冲持续时间，激光束宽度对压力信号的影响。
The effect of pulse duration and laser beam dimension on the pressure signal is discussed.
本文分析了光陀螺中由于有限光束宽度对拍频频率的修正因子。
In this paper we analyze the frequency correction caused by a finite beam width in an optical gyro.
对势函数采用二阶近似后，求解此方程得到高斯型呼吸模式的光束宽度的近似解析式。
Having adopted the quadratic approximation of potential, we can solve the equation and get the approximately analytical solutions of Gaussian typed breath mode.
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