GeO2shiying_sellmeier3.1

matlab对语音信号滤波，并比较滤波前后的音效。(matlab on the voice signal filtering, and compare the sound before and after filtering.)

matlab仿真的GPS信号捕获程序，相关及非相关累积算法(matlab simulation of the GPS signal acquisition process, relevant and non-related accumulation algorithm)

无线传感器网络路由算法，通过改进簇头选举阈值，延长网络生存时间(Routing algorithm for wireless sensor networks improves the network lifetime by improving the cluster head election threshold)

用M文件S函数编写的变步长的连续时间变量的仿真(This example S-function illustrates how to create a variable step block in Simulink.)

Function to read from a txt file

汉诺塔即时动画演示，程序动画可以给出每一步的移动过程(The hanoi tower)

：滤波 fs=400 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=5 时间窗大小 t=0:ts:T (hf1=zeros(1,N) hf1(f<=B1&f>=-B1)=1 y1=hf1.*fftshift(y) figure subplot(211) plot(f,abs(fftshift(y))/N,f,hf1, r-- ) axis([-fs/2,fs/2,0,1.2]) title( 原信号频谱 ) xlabel( f /Hz ) subplot(212) plot(f,abs(y1)/N) title( 低通滤波，截止频率90Hz ) xlabel( f /Hz ))

matlab下用FFT求功率谱和幅值谱的代码(Power spectrum and Amplitude spectrum base on matlab)

绘制系统带有Gershgorin带的逆Nyquist图(gershgorin mapping system with the inverse Nyquist zone map)

on Neuro Fuzzy edge detection