主要研究了超声回波信号的小波分析算法和BP神经网络算法。在超声检测中，作为检测基本数据的脉冲反射回波信号受到电子噪声和结构噪声的干扰，-major study of the ultrasonic echo signal wavelet analysis algorithm and BP neural network algorithm. In ultrasonic testing, to detect the basic data pulse echo signals reflected by

低密度奇偶校验码的对数域BP算法，通过生成校验矩阵得到误码率曲线-Low-density parity-check codes of log-domain BP algorithm, by generating a check matrix obtained BER curves

lpc改进算法,基于lpc采样率算法研究，用matlab直接运行-Improved bp Algorithm