mma

通信信号中编解码技术的研究，通过生成OFDM信号，经过快速傅里叶变换与反变换，最后用16QAM解调，计算信噪比。(Communication signal encoding and decoding techniques, but by generating OFDM signals, through the fast Fourier transform and inverse transform, and finally with 16QAM demodulation, signal to noise ratio calculation.)

电力系统分析牛顿拉夫逊法就算潮流主程序及各个子程序合计牛拉法(Power Systems Analysis Newton Raphson even if the trend of the main program and each subroutine Total cattle Rafah)

仿真4-PAM通过awgn的误比特率性能(Bit error performance simulation of 4-PAM signal through the AWGN channel after the)

MATLAB中SVPWM空间电压矢量模块的m语言实现(MATLAB in the space voltage vector SVPWM module m language implementation)

This program plots sensitivity of OFDM subcarriers with Carrier frequency offset(CFO)

kalman filter This script implements the linear filter and shows its performance On a second order under-damped LTI systems In the first part, a noisy model with two state variables is simulated and in the second part, kalman filtering is applied to estimate the real observations

STFT短时傅里叶变换的一个具体的例子，应用于简单的变换(short time fourier transform)

orthogonal division multiplixing(ofdm) is a new scheme used in wireless communication systems its also called multicarrier system and achieved this. cyclic prefix is used to minimize the intersymbol interference(ISI) and intercarrier interference

说明：  副瓣对消，采用主波束采样数据与对消波束数据的相关性，进行对消(use main beam and cancellation beam to eliminate sidelobe targets)

代码主要计算Daubechies紧支集滤波器系数L0_d和H1_d,然后采用这两个系数对信号进行小波分解(The main calculation code compactly supported Daubechies filter coefficients L0_d and H1_d, then the use of these two coefficients of wavelet decomposition signals)