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53.online polling software system internet

基于Matlab的程序，复化梯形公式求积分的算法(Matlab-based procedures, rehabilitation of trapezoidal formula for integration algorithm)

Practical_Quiz_3 easy to understand

说明：  雷达杂波仿真程序 最后得出距离多普勒图(clutter )

In many applications, such as biomedical engineering, it is often required to obtain specific periodic source signals. In this paper, we propose a two-stage based approach for extracting periodic signals. At the first stage, the autocorrelation property of the desired source signal is exploited to roughly extract the desired source signal. At the second stage, the extracted signal is further processed as cleanly as possible, based on the higher-order statistics. Simulations on artificially generated data and real-world ECG data have showed its better performance, compared with many existing extraction algorithms.

It explain about 3-phase active filter

FSK信号仿真及分析 结合铁路轨道电路分析(FSK signal simulition)

很全的matlab命令集,1:一般函数命令2算术运算符号（Arithmetic operators）(Very wide of the matlab command set, 1: General function of order 2 arithmetic symbols (Arithmetic operators))

BP神经网络函数拟合源程序,可实现BP网络的算法拟合(BP neural network function fitting source, can be achieved BP network algorithm for fitting)

为了对数据进行准确的预测，建立了双隐层BP神经网络，并提供了源数据，实现了准确的数据预测。程序能够执行，误差较小，输出接近真实值。(To accurately forecast the data, we build the two-hidden layer BP neural network and provide the original data, which will forecast the data. The program can be executed with small error which will be close to the real data.)