nandajiangyi

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 ) )

cpp-primer-code预编码，仅供参考(cpp-primer-code pre-coding, for reference only)

应用于地震勘探领域的资料处理，第一代相干算法处理。(Used in seismic exploration in the field of data processing, the first generation of coherent algorithm processing.)

轨道设计，确定着陆准备轨道近月点和远月点的位置，以及嫦娥三号相应速度的大小与方向。(Track design, determine the location of the landing point in recent months to prepare the track and Apolune, as well as the size and direction of the Chang-e III corresponding velocity.)

经典的SEP协议，代码完全正确，以及运行验证，对初学WSN路由协议的同学很有帮助。(Classic SEP protocol, the code is correct, and run the validation for beginner students WSN routing protocol is helpful.)

升余弦信号的功率谱及眼图 用matlab实现 (Raised cosine power spectrum and eye diagram)

2元BPSK调制加高斯信道硬判决统计误码率(2 yuan plus Gaussian channel BPSK modulation hard decision error rate statistics)

有借鉴意义哦，这个有中文注释，看得明白，计算晶粒的生长，入门级别程序。( There are reference Oh, The Chinese have a comment, understand it, Calculation of growth, entry-level program grain.)

利用MATLAB和VC共同开发的信号处理程序。(Using MATLAB and VC joint development of signal processing.)

说明：  一个MATLAB的应用程序，很方便的！使用时需要转换为M文件。(A MATLAB application, very convenient! The use of M need to convert files.)