mas-cre-

QAM调制与解调——包含了多种多进制的正交调制与解调(QAM modulation and demodulation- contains a variety of M-ary orthogonal modulation and demodulation)

通过学习LDPC编译码原理，编写了LDPC码的编译码程序。通过此程序可以更好的实现LDPC码的仿真(in this passage we have write the program of edcoded and decoded of LDPC code.through it we can undersatand LDPC more.)

MATLAB语言常用算法程序集，包含基础的变成技巧以及数值算法，是很好的学习材料(Assembly algorithm used MATLAB language, including basic skills and become a numerical algorithm, is a very good learning materials)

用窗函数法实现了FIR数字滤波器的仿真，包括五种窗与低通，高通、带通、带阻四种类型的组和，可实现20种滤波器的设计(FIR filter design)

说明：  显示模拟调制的波形及解调方法DBS，文件mdsb.m(Show the simulated waveform modulation and demodulation of DBS)

风力发电控制器matlab仿真代码，大家一起参考学习。(Wind power controller matlab simulation code, with everyone learning.)

运用P-Q分解法来进行潮流计算，数据调用需要用到excel(PQ decomposition method using flow calculation, data upload need to use excel)

编写了MATLAB程序生产和扩频码进行仿真，仿真程序从发送方完成通道的接收端，得出在不同的扩频码，在不同的信噪比即误码率的图形比较直接序列扩频通信系统原理，改善系统性能的度(Written MATLAB program to produce and direct sequence spread spectrum communication system principle of spreading codes for simulation, emulation program to complete the channel from the sender to the receiver end, draw graphics comparison at different spreading code, the bit error rate under different SNR i.e., the degree of improvement of the system performance)

说明：  SCA算法实现，主要针对凸优化问题进行求解，可以在其他地方使用。(SCA algorithm, mainly for convex optimization problems, can be used in other places.)

说明：  在matlab中实现四节点板单元刚度矩阵求解，振动模态分析(Realize the solution of the stiffness matrix of the four-node plate element and the vibration modal analysis in matlab.)