filter

matlab programs for rate N convolutional encoder. These codes are very useful for making software defined radio in the lab.

编写一个含QAM传输的发送和接收模块 1)分别采用复基带仿真和实带通仿真两种形式 a) 实带通仿真时, 载波频率为符号率的4倍 b)发端采用滚降系数0.5的根号升余弦滤波器 2)画出Eb/N0=15dB时的接收波形(收滤波前),取100个采样 3)画出发端输出的眼图和收端过匹配滤波后的眼图(画眼图时不加噪声) 统计误符号率和误比特率与Eb/N0的关系,画出曲线, 与理论计算的曲线相对比 (Prepare to send of one with QAM transmission and receiver module 1), respectively, the complex baseband simulation and the real band-pass simulation in two forms a) the real band-pass simulation, the carrier frequency used for the symbol rate of 4 times b) the originator roll-off factor of 0.5 root raised cosine filter, 2) draw Eb/N0 = 15dB when the received waveform (closing filter), take 100 samples) to draw the originator of the output eye diagram and income side of the eye diagram after the matched filter ( draw the eye diagram without noise) statistics symbol error rate and bit error rate and Eb/N0, draw a curve calculated with the theoretical curve compared)

实现了P4多相码的产生和脉压，互补码的产生和自相关输出(The realization of the P4 polyphase code generation and pulse pressure, complementary code generation and auto-correlation output)

“离散傅里叶变换的MATLAB实现”一节里介绍的方法，编写MATLAB函数分别用来计算有限序列的DFT和IDFT 掌握序列DFT的分析方法(" MATLAB implementation of Discrete Fourier Transform," a description of the method in the preparation of MATLAB functions were used to calculate a finite sequence of DFT and IDFT master sequence analysis of DFT methods)

该程序是光纤通信系统中的本征值方程的matlab数值求解(The program is the matlab numerical solution of the eigenvalue equation in optical fiber communication systems)

说明：  matlab 数字图像处理命令大全，运用matlab进行处理图像信息(digital image processing matlab command Guinness, the use of the image information processing matlab)

关于非监督聚类分析的一些matlab编程的列子，初学者可以看看(Unsupervised cluster analysis on some matlab programming Liezi, beginners can take a look at)

生成Gabor滤波器的函数，并用gabor滤波器进行滤波，简单易懂(Generating function Gabor filters and filtered using gabor filters, easy to understand)

使用MATLAB/SIMULINK分析简单电力系统的小信号（低频振荡）稳定性，研究内容如下： 1）使用SIMULINK建立系统的仿真模型。 2）分析比较有无AVR、PSS对小信号稳定性的影响。 3）分别画出针对励磁机增益KA和PSS增益KSTAB的根轨迹图，分析总结增益KA和KSTAB对小信号稳定性影响的规律。 4）仿真在电压参考值5 阶跃变化情况下有无PSS时的转速响应。 (Using MATLAB/SIMULINK analysis of a simple power system small signal (low frequency oscillation) stability study are as follows: 1) Use SIMULINK to establish a system simulation model. 2) analysis of whether the AVR and PSS for small signal stability. 3) Draw the exciter gain KA PSS gain KSTAB, the root locus plot, analyze and summarize the gain KA and KSTAB small-signal stability of the law. 4) simulation in the case of a 5 step change of the voltage reference value the speed of response with or without PSS. )

说明：  线性调频信号的脉冲压缩源代码 matlab 已经调试成功(Linear frequency modulation signal pulse compression source code matlab debugging has been successful)