modulation

该代码主要用于求解微分方程问题，他是由Matlab编写而成。(The code is mainly used for solving differential equations, he is prepared from Matlab.)

分别对正弦波，三角波，方波，一周期内取为整数的64个点（A=4095）；写锯齿波和方波的谐波构成（只写了3、4个）。(Of sine wave, triangle wave, square wave, A week off for integer in the period of 64 points (A = 4095) Write a sawtooth wave and square wave of harmonic (only wrote 3, 4).)

对卷积码进行译码MATLAB仿真，Hard Decision Viterbi Decoder(Decoding convolutional codes of MATLAB simulation, Hard Decision Viterbi Decoder)

Horn algorithm what i am working on

Henon Map is one of the most studied in chaotic map.

介绍了MTI雷达（动目标检测雷达）。该类型雷达能够抑制杂波保留目标信号。对MTI雷达进行了仿真，并利用参差重频消除盲速影响，讨论了MTI雷达参差比取不同的值对盲速的影响(This code introduce the use of MTI radar that inhibits clutter in order to remain object signal, and simulate the system for MTI radar using multiple PRFs to eliminate hte influence of blind velocity.)

录制一段自己的语音信号，并对录制的信号进行采样；画出采样后语音信号的时域波形和频谱图；给定滤波器的性能指标，采用窗函数法和双线性变换设计滤波器，并画出滤波器的频率响应；然后用自己设计的滤波器对采集的信号进行滤波，画出滤波后信号的时域波形和频谱，并对滤波前后的信号进行对比，分析信号的变化；回放语音信号；最后，设计一个信号处理系统界面。(Section of their own voice recording signal, and recording the signal sampling draw sample after the speech signal time-domain waveform and frequency spectrum given filter performance indicators, using a window function method and bilinear transformation design of filters, and draw the frequency response filter then use the filter of their own design for the signal acquisition filtering, after filtering the signal to draw the time-domain waveform and spectrum, and filtering of signals before and after contrast, analysis of signal changes playback voice signal Finally, the design of a signal processing system interface.)

ieee 5节点程序电力系统的分析和计算中，需要不同网络结构和参数。在应 用这些参数之前，收集和整理工作会花费大量的时间和精力。(ieee 5 node procedure and calculation of power system analysis, the need for different network structures and parameters. Before applying these parameters, the collection and collation will spend a lot of time and effort.)

杆单元有限元分析程序，并计算出当一个杆截面变化时，位移函数的灵敏度。(Bar element finite element analysis program, and calculate the cross section when a shot change, the displacement function of sensitivity.)

用自适应梯形公式求解常微分方程初值问题的数值解的MATLAB主程序及使用例子。(MATLAB main solving initial value problems of ordinary differential equations using adaptive trapezoidal numerical solutions and the use of examples.)