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QPSK发送机，信号源为随机二进制序列，经串并变换后，转换成双极性信号发送(QPSK transmitter, the signal source for random binary sequence, series and transform, change the polarity signal sent in pairs)

matlab实现log算子，进行图像边缘的提取(matlab realize log operator to extract image edge)

能量熵的计算，均值便宜跟踪的示例，小波包分析提取振动信号中的特征频率。( Energy entropy calculation, Example tracking mean cheap, Wavelet packet analysis to extract vibration signal characteristic frequency.)

This paper presents an algorithm for modulation recognition of received signals in the presence of additive white Gaussian noise (AWGN) with the use of the wavelet transform

共振解调,轴承故障分析程序,对故障信号进行小波分析，获取轴承故障信息(Demodulated resonance, bearing failure analysis program, the fault signal wavelet analysis for bearing fault information)

chan算法的MATLAB代码，能够实现二维精准定位，是TDOA的常用算法(chan algorithm information, enables precise positioning of the two-dimensional, is commonly used algorithm of TDOA.)

这事我用巴特沃斯模拟的方法设计的数字低通，高通，带通滤波器，其中只有一小段(I used this method to design analog Butterworth digital low pass, high pass, band pass filter, which only a short)

matlab例程，卡尔曼滤波程序，位置速度等预测，自己修改后的代码，易懂，可行，供初学者参考(example for kalman filter for gps)

代码为对OFDM调制信号使用LS信道估计算法的仿真代码(Code for the use of OFDM modulation signal LS channel estimation algorithm for the simulation code)

胡光书的《现代数字信号处理》课后习题的答案~是课后习题不是例题啊(Hu book " Modern digital signal processing" after-school After-School Exercises answer ~ is not the Example ah Problem)