MATLAB

用窗函数法设计线性相位FIR低通滤波器。要求通带截止频率ωc=π/4，单位脉冲响应h(n)的长度N=23。绘出h(n)及其幅频响应特性曲线(Window function with linear phase FIR design a low pass filter. Required pass-band cutoff frequency ωc = π/4, unit impulse response h (n) of length N = 23. Plot h (n) and frequency response curves)

algorithm to find stock price wave when using positive return rate as wave condition.For example, find the S&P500 index whole waves, whose change rate is more than 5 from bottom to top.

关于复杂网络中基于耦合映像格子的WS网络相继故障程序,正常运行。对比全局耦合映像格子及无尺度耦合映像格子。(ws_cml,compared to global_cml and ba_cml, can be run right.)

基于互功率谱的时延估计，数值分析的EULER法，最大似然（ML）准则和最大后验概率（MAP）准则。( Based on the time delay estimation of power spectrum, EULER numerical analysis method, Maximum Likelihood (ML) criteria and maximum a posteriori (MAP) criterion.)

ybus is a code for calculating a bus

最小生成树prim算法，Dandn文件给出了输入参数的名称及格式即在调用prim前先输入邻接矩阵D和节点个数n输入prim得到两行的矩阵T,将上下两行数字对应的节点相连即可(Prim algorithm for minimum spanning tree, Dandn document gives the name and format of the input parameters that is called prim before Input adjacency matrix D and the node number n input prim to be two lines of the matrix T, the upper and lower figures correspond to two lines of nodes connected to can)

遗传算法染色体的选着，交换和遗传。。。。。(Genetic algorithm)

3、 瑞利信道中的调制解调、信道估计： (1) 请推导出单径瑞利信道中的BPSK相干解调的理论误码率性能，并画出比特信噪比与误码率的关系曲线。 (2) 在单径瑞利信道中，请设计一种时分的导引辅助的信道估计方法，用Simulink进行仿真，测量BPSK的误码率性能，画出比特信噪比与误码率的关系曲线，并与(1)的曲线进行对比。 (3, the Rayleigh channel modulation and demodulation, channel estimation: (1) Please derive the single-path Rayleigh channel coherent demodulation of BPSK BER performance theory, and draw the signal to noise ratio and bit error rate curves. (2) single-path Rayleigh channel, please design a division of the guide-assisted channel estimation method, using Simulink simulation, measurement of the BER performance of BPSK, draw-bit signal to noise ratio and bit error rate curve, and with (1) of the curves were compared. )

Localization algorithm in Matlab

用matlab编写的一个地球图片程序，很有意思。(Using matlab to prepare a global picture of the process, a very interesting question.)