work-2

在瑞利通道下，连续相位调制信号多用户检测(In the Rayleigh channel, the continuous phase modulated signal multi-user detection)

有关OFDM的一些算法程序，详细说明了OFDM调制技术的实现方法(For a number of OFDM algorithm program details the implementation of OFDM modulation method)

matlab实现，多进制数字调制，相移键控(matlab realize, M-ary digital modulation, phase shift keying)

说明：  神经网络滑膜变结构控制MATLAB和simulink仿真程序。(Variable structure neural network control of synovial MATLAB and simulink simulation program.)

说明：  人工智能算法中常用的蚁群算法中的一个子程序(a subroutine in the ant colony algorithm)

说明：  球函数可视化， 在MATLAB环境下实现求函数的可视化，分实部和虚部作图(Global visual function in the MATLAB environment to achieve the visual demand function, the real and imaginary parts of sub-plot)

一连续平稳的随机信号x(t)，自相关函数RX(t)=e-/t/，信号x(t)为加性噪声所干扰，噪声是白噪声，测量值的离散值Z(k)为已知，TS=0.02s。 -3.2，-0.8，-14，-16，-17，-18，-3.3，-2.4， -18，-0.3，-0.4，-0.8，-19，-2.0，-1.2，-11，-14，-0.9，0.8，10，0.2，0.5，-0.5，2.4，-0.5，0.5，-13，0.5，10，-12，0.5，-0.6，-15，-0.7，15，0.5，-0.7，-2.0，-19，-17，-11，-14。 自编卡尔曼滤波递推程序，估计信号x(t)的波形。(A continuous stationary random signal x (t), the autocorrelation function RX (t) = e-/ t /, the signal x (t) is additive noise of the interference, noise is white noise, the measured value of the discrete values ​ ​ Z (k ) are known, TS = 0.02s. -3.2,-0.8,-14,-16,-17,-18,-3.3,-2.4,-18,-0.3,-0.4,-0.8,-19,-2.0,-1.2,-11,-14 ,-0.9,0.8,10,0.2,0.5,-0.5,2.4,-0.5,0.5,-13,0.5,10,-12,0.5,-0.6,-15,-0.7,15,0.5,-0.7,-2.0,-19,-17,-11,-14. Self Kalman filter recursive procedure, the estimated signal x (t) waveform.)

it is the matlab model for simulation of the class d chopper with full details of parametrs

1．用Matlab产生正弦波,矩形波,以及白噪声信号，并显示各自时域波形图 2．进行FFT变换，显示各自频谱图，其中采样率，频率、数据长度自选 3．做出上述三种信号的均方根图谱,功率图谱,以及对数均方根图谱 4．用IFFT傅立叶反变换恢复信号，并显示恢复的正弦信号时域波形图(1. Produce sine wave, square wave, and the white noise signal with Matlab, and their time-domain waveform display 2. FFT transform, display each spectrum, where the sampling rate, frequency, length optional data 3. RMS to make maps of the three signals, power spectrum, as well as the number of RMS map 4. Restored by inverse Fourier transform IFFT signal and displays the time domain waveforms sinusoidal signal recovery)

用matlab设计一个FIR和IIR滤波器，并对产生白噪声的信号进行滤波(hello)