工作电流对二频机抖激光陀螺角随机游走影响的研究

理论上分析了二频机抖激光陀螺中由量子噪声和抖动噪声产生的角随机游走的影响因素;讨论了工作电流对量子噪声、比例因子的影响;根据陀螺参数定量的估计了抖动噪声产生的角随机游走的数量级。实验结果表明：电流在全测量范围内对陀螺比例因子的影响约为5ppm;对于本单位自行生产的二频机抖激光陀螺来说,由抖动噪声产生的角随机游走是总角随机游走的主要贡献者,比量子噪声产生的角随机游走大约高一个数量级。

Research on how current affects the angle random walk of dithered laser gyroscope

This paper theoretically analysed the angle random walk caused by quantum noise and dither random noise in a dithered laser gyro,disscussed how current affects the quantum noise and scale factor and quantitively estimated the angle random walk caused by the dither random noise.The experiments show that full-scale current could fluctate the scale factor about 5ppm,with regard to the dithered laser gyros produced by our own department,the angle random walk cuased by the dither random noise is the main contrib...