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plot signal wash-hadamard correlate.

这是一个相对完整的OFDM通信系统的仿真设计，包括编码，调制，IFFT，上下变频，高斯信道建模，FFT，PAPR抑制，各种同步，解调和解码等模块，并统括系统性能的仿真验证了系统设计的可靠性。(This is a relatively complete simulation of OFDM communication system design, including coding, modulation, IFFT, and down conversion, Gaussian channel model, FFT, PAPR suppression, various synchronization, demodulation and decoding module, and system performance omnibus simulation of the system reliability.)

用BP网络逼近某曲线函数，在神经网络中邮广泛的应用 是系统辨识的基础。 通过反馈来不断的调整系数，限制了最大循环次数 防止进入死循环，当然如果想要得到更精确的系数可以增大循环次数。 (Using BP network function approximation to a curve, mail is widely used in neural network is the basis of system identification. Through feedback to constantly adjusted factor, limit the maximum cycle times to prevent into dead circulation, and of course if you want to get a more accurate coefficients can increase the cycles.)

一个很有意思的小程序，可以用于向对方表白哦。(A very interesting small program that can be used to declare each other oh.)

The brief idea of the algorithm is that every image s pixel is set to black if its brightness is T percent lower than the average brightness of the surrounding pixels in the window of the specified size

说明：  提供迭代算法的matlab实现以及c的实现(iteration )

希望多大家有所帮助。尤其是对电子感兴趣的同学(xingwangdajiagangxingqu )

线性判别分析法源代码,LDA算法，输出分类结果(Linear discriminant analysis method source code, to output the classification results)

this code is calculating the transformation matrix for illuminant A and D65 using von kries predicted equation

说明：  使用matlab编码，人工神经网络手写体检测(Handwriting Detection Using Matlab Coding and Artificial Neural Network)