QPSK_CE_block

（1） 自行设计产生两个离散序列信号，对其进行相加、乘及卷积运算。 （2） 利用filter命令求下面LTI系统的冲激响应： y(n)－0.7y(n－1)－0.6y(n－2) + y(n－3) = x(n) + 0.5x(n－1) （3） 画出系统的零极点图，判断系统的稳定性、因果性。 （4） 绘出系统的频响曲线。(lisan time signal analyse )

详细的卷积编码与维特比译码算法。产生随机信号，对信号进行卷积编码，然后经过数值转换、格雷编码，QPSK调制，进入加噪信道，之后进行QPSK解调，格雷解码， 数制转换、 维特比译码得到接收端的信号。(Detailed convolutional coding and Viterbi decoding algorithm. Random signal, the signal convolution coding, and then through numeric conversion, Gray coding, QPSK modulation, plus noise into the channel, followed by QPSK demodulation, decoding Gray, number system conversion, Viterbi decoding to get the receiving end of the signal.)

此程序代码是实现将十进制小数转换为二进制数。(Achieve decimal is converted to a binary number)

说明：  利用matlab的gui设计的带有输入和输出功能的界面图形，实现等距线可视性很强，自己独立编写的数据和图形，学习非常值得,实现 ga pca bp和svm压缩图像，matlab语言(Using GUI of MATLAB to design interface graphics with input and output functions, realizing the visibility of isometric line is very strong, and it is very worthwhile to study the data and graphics independently written by oneself, realizing GA PCA BP and SVM compressed image, MATLAB language)

5 code for digital communication

说明：  SUSAN边缘检测的Matlab实现代码，用于静态图象的边缘检测，效果要视具体图象来定(SUSAN Edge Detection Matlab code for static images of edge detection, the effect would depend on the specific images to determine)

kalman滤波GUI(matlab6.5) m代码在m_files目录中，主函数为fildis 执行独立exe时，需..inwin32下的dll支持.可以在autoexec.bat中加入此目录, 也可将dll文件拷出放入同一目录下，对于独立exe若要从mat文件初始化，mat文件目录全名需无中文字符。 可以作为设计各种kalman滤波器的开发导航，参数可以自己设置。(Kalman filtering GUI (matlab6.5) m in m_files code directory , the main function of an independent fildis exe, need .. bin dll under win32 support. in the autoexec.bat to add this Contents may also be dll Add document beat out the same directory, independent exe To initialize the document from the mat, mat directory full name needs no Chinese characters. Can be used as the design of the Kalman filter developed navigation, their parameters can be set up.)

very useful complete matlab package which also solve PDE

D2D代码仿真，基于matlab通信系统仿真模型的设计例程(D2D code simulation, design routine of communication system simulation model based on MATLAB)

FILTRAGE ECG RECONSTRUCTION DE complexe QRS