MDR_4fsk

通过fir1设计FIR滤波器，fir2设计任意频率响应的滤波器，采用卷积计算信号通过系统后响应（还原），采用fftfilt计算信号通过系统后响应，一个长序列和一个短序列的卷积。(Fir1 through FIR filter design, fir2 design the frequency response of any filter, the use of convolution calculation of the signal through the system to respond to (restore), calculated using fftfilt signal through the system to respond to, a long sequence and a short sequence of convolution.)

matlab code for hmm understanding

STK生成的报告数据较复杂，可以通过matlab的指令，直接读取生成的轨道数据报告，并进行相应的存储。(Report data STK generate more complex, you can matlab instructions directly read track data report generation, and the corresponding storage.)

说明：  matlab中实现雷达信号处理。 matlab中实现雷达信号处理。(Matlab achieve radar signal processing. Matlab achieve radar signal processing.)

基于分数阶Fouricr域的二值数字水印算法(Domain based on fractional Fouricr binary digital watermarking algorithm )

the matlab code of other form of hill climbing algorithm.

用C语言或者Matlab编写香农编码的程序(Written with C language or Matlab coding procedures Shannon)

通过独立分量分析，来实现盲源信号的分离。程序简单易懂，适合初学者(Done by independent component analysis and blind source separation of signals. Program is easy to understand, suitable for beginners )

说明：  读取图像lena.tif，进行DCT变换，每个图像块保留10个DCT系数进行重构图像，比较重建图像与原始图像的差异。(Read the image lena.tif, the DCT transform, each image block of 10 DCT coefficients to retain the reconstructed image, reconstructed image compared with the original image differences.)

用matlab实现DQPSK的调制解调，并绘制BER曲线(Using matlab to achieve DQPSK modulation and demodulation, and draw the BER curves)