基于小波变换的多传感器融合算法，先通过小波变换分离低频信号和高频噪声，计算高频噪声的方差，通过不同传感器信号噪声方差的大小决定不同传感器的置信程度（方差越小，权重越大），最后进行信号融合。-Wavelet-based multi-sensor fusion algorithm, the first separation of low-frequency signal by wavelet transform and high frequency noise, calculate the variance of high frequency noise, the noise variance by different size of the sensor signals of different sensors determine the degree of confidence (the smaller the variance, the greater the weight ), and finally for signal integration.