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Powerline noise removal from ECG signals

说明：  滤波器设计的目的是对信号进行数据序列的频率变换，去掉其中我们不需要的频率成分，用数字滤波器课实现语音信号去噪(Filter is designed to sequence the signal frequency of the data transformation, which we do not need to remove frequency components, with digital filter class voice signal denoising)

产生高斯脉冲的前15阶导函数。该函数的输入参数为：矢量t定义时间轴；高斯脉冲导函数的阶数k，取值范围[1，15](have a Gaussian pulse of 15 derivative function. The function of the input parameters : vector defined time frame t; Gaussian pulse derivative function of order k, value in the range [1,15])

关于遗传算法的matlab工具箱及其应用的代码介绍(some code about the GA and the toolbox in matlab related to it)

ga和pso的算法，梁结构的拓扑优化，源程序引自文献，加入对应参数(ga and pso algorithm, topology optimization of beam)

虚拟力的无线传感网络覆盖，光纤无线通信系统中传输性能的研究，music高阶谱分析算法。( Virtual power wireless sensor network coverage, Fiber Transmiss)

做经验模态分解用的几个有用函数,真的非常有用。(Do empirical mode decomposition several useful function is really useful.)

this file has codes that describes how to ccmpute the signal spectrum , the power spectrum, how to calculate the autocorrelation sequence of a signal, how to calculate the autoregressive coeffecients of a signal,and how to reduce the noisy elements in a speech sample.

说明：  有限元计算程序，结构清晰易懂，编程规范，入门必备(Finite element program, clear structure and easy to understand, programming specifications)

在立体空间中绘制八面体的Matlab源程序，并对该八面体进行分类(Draw octahedral Matlab source in three-dimensional space and classify the octahedral)