lc1234

说明：  在mtlab下，运用矩量法计算两平行方板电容，并分析电容随两方板边长和两方板之间距离的变化(In mtlab, compution of two parallel side plate capacitor, and capacitance of the two sides of edge length and the distance between the two sides change board)

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 ) )

关于高精度加法运算的无误差变换matlab算法程序。(Accurate floating point sum programs)

说明：  线性调频信号测距的程序以及实现操作，主要是matlab进行操作(LFM signal ranging procedures and implementation of the operation, mainly matlab operation)

pos算法，MATLAB的粒子群优化算法程序设计(pos algorithm, MATLAB Particle Swarm Optimization Program Design)

1/2删除卷积码（3/4速率）的编码和译码，亲测可用(1/2 convolutional code to delete (3/4 rate) encoding and decoding, the pro-test available)

说明：  单纯型法程序，很基础，很方便学习单纯型法(Simplex method procedure, very basic, very convenient to learn simplex method)

说明：  基于傅里叶变换的去除图像纹理方法。通过去除频域高亮区域来消除纹理，保留低频信息。(Based on Fourier Transform method to remove the image texture. Highlighted region by removing the frequency domain to eliminate the texture, retain low frequency information.)

matlab编的数独游戏，挺好玩的，大家一起研究一下(Sudoku)

Some tips related to wireless channels