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IIR-
低通IIR数字滤波器设计,用数字滤波器的单位脉冲响应序列h(n)模仿模拟滤波器的冲激响应ha(t),令 h(n)=ha(nT),其中T为采样间隔。将模拟滤波器转换成数字滤波器的实质是,用一种从s平面到z平面的映射函数将Ha(s)转换成H(z)。数字滤波器的频率响应模仿模拟滤波器的频响,s平面的虚轴映射z平面的单位圆,相应的频率之间成线性关系。(Low-pass IIR digital filter design)
- 2011-05-03 10:02:37下载
- 积分:1
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matlab
FIR2滤波函数在舰船辐射噪声工程中的具体应用(the fir2 s practice )
- 2010-05-19 09:44:08下载
- 积分:1
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tryrepeat16qam
盲检测中,在AWGN信道环境和瑞利衰落环境下,产生16qam信号,并且计算高阶累积量和高阶矩(Blind detection in AWGN channel environment and Rayleigh fading environment, generate 16qam signal and calculate higher-order cumulants and higher moments)
- 2015-01-14 17:08:00下载
- 积分:1
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propro
Image Watermarking using DWT algorithm
- 2015-02-20 02:45:11下载
- 积分:1
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Optical-matlab-simulation
本程序是关于光学双缝衍射的matlab仿真实验。(IN this text,you can run it in matlab directly.Optical double slit diffraction of matlab simulation)
- 2013-05-05 09:20:19下载
- 积分:1
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kalmantargettraching
目标跟踪 卡尔曼滤波平滑大全 有外文介绍(kalman_filter
kalman_forward_backward
kalman_smoother)
- 2010-08-23 15:29:44下载
- 积分:1
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load_flow
load flow algorithm, with entering bus data and line data it solves the load flow with newton method.
- 2009-05-12 22:14:07下载
- 积分:1
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example4_3
例3:分析占空比为ta的矩形脉冲频谱
T=1 时间窗大小
ta=0.5 占空比
N=256
t=linspace(-T,T,N)
ts=2*T/N
fs=1/ts
(x=zeros(1,N)
x(N/2-round(N/2*ta):N/2+round(N/2*ta))=ones(1,2*round(N/2*ta)+1)
y=fft(x,N)
figure
plot(t,x)
title([ 时域信号图 占空比为 ,num2str(ta)])
axis([-T T-0.2 1.2])
xlabel( t /s )
figure
subplot(211)
f=linspace(-fs/2,fs/2,N)
plot(f,abs(fftshift(y))/N)
title([ 矩形脉冲双边谱 脉冲时间t=[- ,num2str(ta*T), , ,num2str(ta*T), ] ])
xlabel( f /Hz )
)
- 2010-05-25 20:59:59下载
- 积分:1
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second
very important to understand tomography of medical MRI images
- 2015-03-14 02:56:38下载
- 积分:1
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lgkt-matlab
是一个matlab如何编写龙格库塔的程序。他用来求解常微分方程,具有很好的优势。(matlab programming language. Single precision of the Runge- Kutta- Kiel in the initial conditions for n simultaneous differential equations very Good.)
- 2012-02-02 14:52:35下载
- 积分:1