与陀螺漂移调制原理分析

Research on the Principle of Carrier Angular Increment Demodulation and Gyro Drift Modulation for Rate Biased Ring Laser Gyro

推导了速率偏频激光陀螺的测量方程,根据此方程提出了从速率偏频激光陀螺输出信号中提取载体角增量信息的陀螺输出信号解调公式;分析了速率偏频激光陀螺的偏频转台对陀螺漂移的调制效应,通过数字仿真定量分析了速率偏频激光陀螺漂移引起的导航参数误差。

The measurement equation of rate biased ring laser gyro is derived. Angular increment demodulation equation of rate biased ring laser gyro is proposed according to the measurement equation. The modulation effect of the bias of rate biased ring laser gyro is analysed. The error which is induced by the bias of rate biased ring laser gyro is analysed through digital simulation.