grph

几何活动轮廓模型（snake模型）中level-set算法的matlab源码(Geometric active contour model (snake model) in the level-set algorithm matlab source)

这是Cisco中mpls-lab的比较好的参考资料，希望对大家有帮助。(This is the Cisco in the mpls-lab comparison of a good reference to all of us want to help.)

students learning code

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PCA的仿真数据生成及故障信噪比（SNR）的主元选取方法仿真代码。(About PCA generated simulation data and fault signal to noise ratio (SNR) of the main element simulation code selection method.)

PV WITH THREE PHASE INVERTER

基于铌酸锂MZ调制器，通过展开，计算其三阶互调失真以及SFDR等(Based on lithium niobate MZ modulator, by expanding to calculate the third-order intermodulation distortion and SFDR etc.)

很好的一个一维条码检测识别源码，作为参考很有用(Very good detection and recognition of a one-dimensional bar code source, as a useful reference)

surface chart GA-wiley-matlab surface chart GA-wiley-matlab

提供了matlab的GUI一些命令，并对GUI用法进行了详细的总结，富有注释(The matlab GUI command on GUI usage carried out a detailed summary of rich notes)