test_2

微波技术电子史密斯圆图程序Matlab---Smith-chart(Matlab---Smith-chart)

认知无线电中的主用户的能量检测，非协作检测，Rayleigh衰落信道下(Cognitive radio, primary user detection, under Rayleigh channel)

MATLAB initiation for help you read it .

基于DMRS参考信号同步定时算法，信道环境为高斯信道，(DMRS based synchronization timing reference signal algorithm, the channel environment for Gaussian channel,)

EZW算法，实现对图像的零树小波算法，实现图像压缩(EZW algorithm, realize vs ICON of null tree small wave algorithm, carry out ICON compression)

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。(extract information based on the instan eous features : In the center is one of the instantaneous rate of the power spectral density of the maximum, is a center to the absolute value of the instantaneous rate of the standard deviation, Non-zero weak signal instantaneous phase of the nonlinear component absolute standard deviation, Non-zero weak signal instantaneous phase of the nonlinear component standard deviation, In the center is one of the non-weak signal of the absolute value of the instantaneous frequency standard deviation, a signal to one of the instantaneous frequency of the power spectral density of the maximum, According to 16QAM and QPSK signals XI axis projection in the different performance parameters raised.)

this mfile is riten in matlab and is related to mirtoolbox

simulink建立的卡尔曼滤波算法，运行没问题！(simulink_kalman and matlab)

the threshold is determined and the foreground and background are seperated

字符识别 用卷积神经网络识别A-Z26个英文字母(Character recognition using convolution neural network A-Z26 letters)