UnderwaterCommunication

自适应滤波wiener方法,使用简单方便,绝对正确(Wiener adaptive filtering method, the use of simple and convenient, absolutely right)

对一段wav文件读取，并做简单的降噪处理，其中包含了高通滤波器的设计。适合新手(Wav file on a read and do simple noise reduction, which contains a high-pass filter design. For novice)

In this document an mechanism is developed to find an energy optimal error correcting codes

遗传算法编程求解旅行商问题；图论中最短路问题的Matlab程序实现；背包问题模型的Matlab程序实现。(Genetic Algorithm for Solving Traveling Salesman Problem programming graph theory, shortest path problem in the Matlab program implementation knapsack problem Matlab model implementation process.)

稳态侧偏刷子模型，考虑了垂直载荷分布情况的不同，分别进行了程序计算。(Tire model for the shuazi model, it can calculate for differnt Fz)

基于光正交码构造了一类新的不规则00c—LDPc码．新的LDPC码是准循环码，其编码复杂度与码长成 线性关系，具有编码复杂度低的特点，它所对应的双向图中没有四线循环．用和积译码算法对新的码字进行了仿 真，结果表明，与具有类似参数的随机码和规则OOc—LDPc码相比，当信道误码率为10。5时，译码增益分别为 0．3和0．15 dB．(Construct a new class of irregular the 00c-LDPc code based on optical orthogonal codes. LDPC codes are quasi-cyclic code, its complex coding with code length linear relationship, with low encoding complexity, the corresponding bidirectional Figure it in four-wire loop. Simulation with integrated decoding algorithm of the new code word, the results show that when the channel bit error rate, compared with the random codes with similar parameters and rules OOc-LDPc code decoding gain were 10.5 0.3 and 0.15 dB.)

说明：  matlab实现SI,SIR,SEIR模型(codes which can built models of SI,SIR and SEIIR using the software of matlab)

这是我在学matlab时的一个例子，我感觉是入门的一个导师。(This is my students an example of when matlab, I feel is the entry of a mentor.)

确定离散多普勒频移（fi,n)、多普勒系数(Ci,n)、多普勒相移(@i,n):适用于仿真经典功率谱的情况。(failed to translate)

Power flow studies, commonly known as load flow, form an important part of power system analysis. They are necessary for planning, economic scheduling and control of an existing system as well as planning its future expansion. The problem consists of determining the magnitudes and phase angle of voltages at each bus and active and reactive power flow in each line. In solving power flow problem, the system is assumed to be operating under balanced conditions and a single-phase model is used. Four quantities are assumed at each bus. These are voltage magnitude v, phase angle  , real power P, and reactive power Q.The Newton Raphson method of load flow analysis is an iterative method which approximates the set of non-linear simultaneous equations to a set of linear simultaneous equations using Taylor’s series expansion and the terms are limited to first order approximation.