StockAnalysis

用中心差分法计算输入地震动的位移时程曲线，该函数仅为示例用，在计算短周期结构的反应时，可能不准确，需要减小时间间隔 ( central difference method)

this program can plot phase plane linear and nonlinear system

经典数据挖掘算法，Matlab实现，是Word版。(classic data-minning algorithms using matlab.)

用matlab编程求解无约束优化问题、线性规划问题、非线性规划问题。(Programming using matlab for solving unconstrained optimization problems, linear programming, nonlinear programming problems.)

OFDM中用到的添加循环前缀和插入导频的matlab实现(Add cyclic prefix and inserted pilot matlab OFDM used in the realization of)

介绍国内外机械故障诊断技术的发展情况，并列举了应用实例。(Describes the development of domestic and foreign machinery fault diagnosis technology, and examples of its applications.)

说明：  数字基带信号的波形和功率谱密度绘制 和二进制基带脉冲成形及眼图的绘制(Waveform and power spectral density of digital baseband signal and Binary baseband pulse shaping and eye drawing)

matlab soft for ECG analysis

calculate to define the relation between a reference object and another object in the image using the superior value , according to the dilation of the reference object using mathematical morphology

本程序仿真了AWGN信道下，采用DS扩频对bpsk信号的影响，扩频码采用walsh码，扩频因子16； 接收端进行rake接收，然后分集合并，比较了三种分集方式对误码率的影响 从图像可以看出在扩频因子较高的情况下，最大比值合并与等增益合并性能相近(This program simulates the AWGN channel, using DS spread spectrum signal for bpsk influence spreading code using walsh code spreading factor 16 Rake receiver receiving end, and diversity combining, diversity compares three methods on the bit error rate of As can be seen from the image in the case of higher spreading factor, the maximum ratio combining and equal gain combining similar performance)