中文说明：光纤陀螺输出误差的allan方差分析，BP神经网络用于函数拟合与模式识别，可以得到很精确的幅值、频率、相位估计，基于chebyshev的水声信号分析，迭代自组织数据分析，基于小波变换的数字水印算法matlab代码。
English Description：
The fiber optic gyro output error of the Allan variance analysis and BP neural network for function approximation and pattern recognition, can get very accurate amplitude, frequency and phase estimation, based on Chebyshev acoustic signal analysis, iterative self organizing data analysis based on wavelet transform digital watermarking algorithm matlab code.