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BPF作用是使某频段内的有用信号通过，而高于或低于此频段的信号将被衰减。(BPF role is to make a useful frequency band signal, while the higher or lower than this band signal will be attenuated.)

matlab程序，采用滤波器进行信号去噪，FFT变换(matlab program using filter signal denoising, FFT transform)

preconditioned conjugate gradient

钢厂电炉轧钢炉管数据建模程序，给出轧钢路的输入输出数据可从得到其三维视图。模型经过某钢厂的实际数据检验。(Electric furnace steel rolling data modeling process, given the rolling road to get input and output data from its three-dimensional view. Model the actual data after inspection of a steel mill.)

说明：  用matlab开发的一个简单的预测双色球源码(Using matlab to develop a simple prediction Loans Source)

MATLAB图像处理中用到的命令语句和函数语句还包括一些编程举例。(MATLAB image processing functions used in the command statement and statements also include some programming examples.)

suspension system of a half car

It is a very good C++ book.

说明：  GA优化BP网络，matlab编程设置神经网络三层，并有数据测试验证(GA optimizes BP network, matlab programming sets up three layers of neural network, and has data test verification)

Half wave inverter used in power electonics lab