signal-modulation-and-demodulation

用来估计病态线性方程组正则化求解时的误差。(To estimate the error of regulation method for the ill-conditioned system of linear equations)

运用编程实现提取一段视频的每一帧并保存。利用Fbackground函数实现提取一段视频的静止背景。(Use programming to extract each frame of a video and save it. The static background of a video is extracted by Fbackground function.)

给定传递函数的分子和分母，以及预测时域，预测步长，自动仿真GPC算法。(Given the transfer function, simulate GPC algorithm.)

通过M atlab 模拟了随机产生的一定概率分布的信号序列, 叠加高斯噪声后利用最大后验概率(MAP)检 测到的误码率, 做出BER~ SNR曲线, 并与理论计算得到的曲线进行比较, 两者吻合.(M atlab simulated by a certain probability distribution of random signal sequence, use of superposition of Gaussian noise is the maximum a posteriori (MAP) detection to the error rate, making BER ~ SNR curves obtained with the theoretical curve of the combined fit.)

内点法是一种优化算法，速度快算法简单。对解决潮流计算有很大帮助(Interior point method is an optimization algorithm, fast algorithm is simple. Of great help to solve the power flow calculation)

Build robust, high-performance telephony systems using FreeSwitch 1.2

基于matlab的车牌图像分割，先用中值滤波去除噪声再进行分割(Based on matlab license plate image segmentation using median filter to remove noise and then split)

Finds the convolution matrix of two input vectors

一个基于神经网络的手写体数字识别的matlab程序，可以自行进行神经网络训练并识别给出相应的结果(A neural network-based handwritten numeral recognition matlab program, the neural network can be trained to identify themselves and give the corresponding results)

本文是有关投影法的matlab程序 给出具体例子说明此方法(This article is about the projection of the matlab program gives concrete examples to illustrate this method)