power_aperture

《空间谱估计原理与算法》子空间拟合算法matlab源代码(" Space Spectrum Estimation Principle and Algorithm" subspace fitting algorithm matlab source code)

一个matlab gui小程序 可以帮助初学者 掌握matlabgui的小技巧(matlab gui help the new players)

QAm仿真大家看看有没有问题啊，谢谢阿，为什么仿真的结果和公式的结果对不出来(QAm simulation we see no problem ah, thank A, Why simulation results and the results of the formula is not out)

eye diagrams in communication

K-F域偏移，对于用于常速度偏移处理，程序简单使用。(KF domain migration, migration for constant velocity.The program is simple to use. .)

仿真电容的充电过程，设t=0为初始时刻,仿真步进应远远小于系统的时间系数(Simulation of capacitor charging process, based t = 0 as the initial time step simulation system should be much smaller than the time factor)

包括0均值和给定方差的高斯白噪声生成函数，以及复高斯白噪声生成函数(Including the 0 mean and given variance Gaussian white noise generating function, as well as complex Gaussian white noise generating function)

说明：  C-V模型实现灰度图像和彩色图像的分割,运用水平集方法实现曲线演化(using Chan-Vese model color image segmentation )

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.)

压缩感知BP算法（basis pursuit algorithm）(basis pursuit algorithm)