【摘要】 介绍了光纤陀螺的基本原理和输出信号的数学模型,阐明了零漂的含义。分析了几种零漂抑制方法的原理,提出了基于小波分析的滤波方法。对于实测的光纤陀螺信号进行了多尺度小波分解和多分辨力分析,证明了该方法抑制光纤陀螺输出信号零漂的有效性。更多还原

【Abstract】 The basic theory and the mathematics model of the ouput signal in the fiberoptic gyro (FOG) are introduced,then meaning of zero drift is clarified.Principle of some methods for eliminating signal zero drift is analized.A drift elimination method based on wavelet analysis is presented.Multiscale wavelet decomposition and multiresolution analysis (MRA) is done on the real time signal of FOG,and the validity of wavelet filtering is verified. 更多还原