gaus9rdzeni_fft

this is matlab version for removal of the active noise for am anlog systems

牛顿下展法的应用，可以解决power system中估值的问题，程序中是3相Power 的应用(Newton method under application development, you can solve the problem in the valuation of power system, the program is a three-phase Power Applications)

波束形成Matlab程序，通过matlab程序，了解波束成形的算法过程，以及其含义(Beamforming Matlab program by matlab program to understand the process of beamforming algorithm, and its meaning)

Digital Water Marking of images

gui notes describing gui guide

antenna and Electromagnetic modulation surce code

一本详细介绍matlab功能的书，很适合初级的学习者，高手请绕行(A detailed introduction matlab function of the book, it is suitable for junior learners, experts please bypass)

hht_toolbox工具箱用 时频分析必备 大家共同学习(HHT toolbox for HHT time-frequency analysis )

to find stastical moments

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.)