LDPC_Decoder_SPA

说明：  用MATLAB解决遗传算法的问题,不需要用MATLAB遗传算法工具箱函数(MATLAB genetic algorithm to solve the problem, no genetic algorithms using MATLAB toolbox function)

说明：  轮廓波工具箱，是一个非常有用的图像分解和合成变换(contourlet toolbox)

二用户CDMA系统，信道为加性高斯信道，使用BPSK调制，15位M序列扩频，可以正确解扩解调。 输出为2用户的基带信号、扩频信号、PSK调制信号、解调信号的时域和频域特性，给出两个用户分别的误码率。 (Second, the user CDMA system, channel for the additive Gaussian channel, using BPSK modulation, 15 M Sequence Spread Spectrum, you can correct demodulation despreading. Output of 2 user' s baseband signal, spread spectrum signal, PSK signal modulation, demodulation signal time domain and frequency domain characteristics of the two users are given the bit error rate, respectively.)

说明：  用matlab语言实现的将图像的进行dpcm编码算法，之后进行图像重构，进行前后图像的对比。(With matlab language will be dpcm image coding algorithm, after the image reconstruction, the images before and after contrast. )

说明：  在神经网络中用求协方差矩阵的方法对人脸图像进行压缩及恢复(In the neural network covariance matrix using the method of face image compression and restoration)

Filtros de Matlab desarrollados

TextField.getDepth 返回文本域的Depth（深度） TextField.getNewTextFormat 获得最新加入文本的默认文本格式 TextField.removeTextField 删除使用MovieClip.createTextField创建的文本域 TextField.setNewTextFormat 对新加入的文本设定为新格式 (TextField. GetDepth returns the text field the Depth (Depth) TextField. Get the latest to join the text getNewTextFormat TextField. The default text format removeTextField delete using the MovieClip. CreateTextField created text field TextField. SetNewTextFormat for new text set to the new format)

说明：  脉冲压缩，MATLAB 版本，雷达信号处理(Pulse compression simulation MATLAB version, GUI procedures)

System modeling is a vital tool for cost reduction and design process speed up in most engineering fi elds. The paper is focused on modeling of hydraulic arm as a part of intelligent prosthesis project, in the form of 2DOF open kinematic chain.

提取信号七个基于瞬时信息的特征：零中心归一化瞬时幅度功率谱密度的最大值,零中心归一化瞬时幅度绝对值的标准偏差，零中心非弱信号段瞬时相位非线性分量绝对值标准偏差，零中心非弱信号段瞬时相位非线性分量标准偏差，零中心归一化的非弱信号段瞬时频率绝对值的标准偏差，一个信号段的归一化瞬时频率功率谱密度的最大值，根据信号 QPSK 和16QAM在 XI 轴投影的不同表现，提出特征参数。(Extraction based on instantaneous information signal of seven characteristics: zero center normalized instantaneous amplitude of the maximum power spectral density, zero-center normalized standard deviation of the instantaneous rate of absolute zero center section of non-weak signal instantaneous phase nonlinear component absolute value of standard deviation, non-zero center section of the weak signal non-linear component of the standard deviation of the instantaneous phase, zero-center non-normalized absolute value of the weak signal section of the standard deviation of the instantaneous frequency of a signal segment of the normalized power spectral density of instantaneous frequency maximum, according to the signal QPSK and 16QAM in the XI-axis projection of the different performance of the proposed characteristic parameters.)