MMatlabandLaba

说明：  给予神经网络训练的MATLAB 程序 有很大的用处 解说的非常详细(Given the MATLAB neural network training procedures have great usefulness of the very detailed explanation)

例4：在sinc(t)信号中叠加噪声，分析对应频谱 fs=100 采样频率,必须大于两倍基带信号最高频率 ts=1/fs 采样时间间隔 T=2 时间窗大小 ( x=x+0.1*randn(1,N) x=awgn(x,-10, measured ) figure plot(t,x) title( 时域信号图 ) xlabel( t /s ) y=fft(x,N) figure if mod(N,2)~=0 N=N-1 end f=linspace(0,fs/2,N/2) plot(f,abs(y(1:N/2))*2/N) title( 叠加噪声的sinc(t)信号频谱 ) xlabel( f /Hz ) figure y0=y(1:N/2) P=y0.*conj(y0)/N P=10*log10(P) plot(f,P) title( 功率谱 ) xlabel( f /Hz ) )

标准矩形阵列的波束方向图切面的极坐标图，均匀加权：（a）phai=0度或90度；（b）phai=45度。(Polar plot of uniformly weighted rectangular array)

speech processing for signal seperation

autoregresive model grade 1

霍夫变换实现直线检测，这是一种非常简单的直线识别方式(hough lines)

这是一个相对完整的OFDM通信系统的仿真设计，包括编码，调制，IFFT，上下变频，高斯信道建模，FFT，PAPR抑制，各种同步，解调和解码等模块，并统括系统性能的仿真验证了系统设计的可靠性。 (This is a relatively complete OFDM communication system simulation design, including coding, modulation, IFFT, and down conversion, Gaussian channel model, the FFT, PAPR suppression, and a variety of synchronization, such as demodulation and decoding module and system performance omnibus The simulation results show the reliability of system design.)

matlab下的万年历（没有利用自带函数）能够正确显示用户输入的年份和月份的日历。并能够自动定位当前年份和月份(Calendar matlab under (no use of its own function) to display the correct user input month and year calendar. And the ability to automatically locate the current year and month)

the zwicker loudness code in matlab

以比例导引律为基础，用伴随矩阵的构建解释了其闭环形式的解，其中包括初始航向角误差HED的图行，便于分析(The proportional guidance law as the foundation, with the adjoint matrix construction and explains its closed form solution, which includes the initial heading angle error of HED graphics, easy analysis)