The temperature induced drift model for FOG is analyzed and established. But data noise would weaken or deteriorate the effect of this compensation model. To solve this problem, digital low pass filter and wavelet threshold value denoising method are used respectively to reduce the data noise. It is found that the wavelet denoising method is more effective than that of the digital low pass filter through the simulation and analysis. Comparison of the compensation results before and after denoising further verified the effectiveness of the wavelet threshold value denoising method for improving the compensation effect of the temperature induced drift model.
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焦飞,陈璞,朱少华.小波消噪在光纤陀螺温度补偿中的应用[J].压电与声光,2014,36(5):768-771. JIAO Fei, CHEN Pu, ZHU Shaohua. The Application of Wavelet Denoising to FOG Temperature induced Drift Compensation[J]. PIEZOELECTRICS AND ACOUSTOOPTICS