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IIR滤波器设计
现有一个信号：x(n)=1+cos(π*n/4)+ cos(2*π*n/3)设计及各种数字滤波器以达下列目的：
低通滤波器，滤除cos(2*π*n/3) 的成分，即想保留的成分为1+cos(π*n/4)
高通滤波器，滤除1+cos(π*n/4) 的成分，即想保留的成分为cos(2*π*n/3)
带通滤波器，滤除1+cos(2*π*n/3) 的成分，即想保留的成分为cos(π*n/4)
带阻滤波器，滤除cos(π*n/4) 的成分，即想保留的成分为1+cos(2*π*n/3)
1. 用MATLAB命令butterord求除滤波器的阶数,用命令butter设计各滤波器；画出滤波器幅度和相频相应 取各滤波器的系统函数H(z)。
(an existing signal : x (n) = a cos (* n/4) cos (2** n/3) design and digital filter to achieve the following objectives : low-pass filter, filter cos (2** n/3) the ingredients that want to retain an element of a cos (* n/4) high-pass filter, a filter cos (* n/4) components, namely to retain the element of cos (2** n/3) band-pass filter , a filter cos (2** n/3) components, namely to retain the element of cos (* n/4) band stop filter, the filter cos (* n/4) components, namely to retain the ingredients for a cos ( 2** n/3) 1. MATLAB order butterord except for the band Filter, using the order of the filter design butter; paint Filter magnitude and phase frequency of the corresponding filter system function H (z).)
- 2005-08-28 19:51:08下载
- 积分：1
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router
最短路径路由算法及MATLAB实现报告，通过对滑动窗口算法的实现，了解其与单工停等协议的区别，讨论其改良性。内含MATLAB代码，是完整的报告。(The shortest path routing algorithm and MATLAB implementation report to understand the difference with simplex stop and other agreements, and discuss its improvement of the sliding window algorithm. Containing MATLAB code, the full report. )
- 2012-03-26 11:01:23下载
- 积分：1
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untitled
可用于教学和学习使用，运行后可得到简图，使用语言为matlab(Can be used for teaching and learning to use, the operation can be obtained after diagram, using language for matlab)
- 2014-12-12 14:46:10下载
- 积分：1
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OPTICAL-waveguidehomework1UESTC
根据以下的平板光波导在波长为1550 nm时的折射率数据
1.作 出 不 同 波 导 芯 厚 度 d
(0<d<15 m)对应的TE模式
与TM模式的色散图；
2.给出满足单模与双模传输的
波导厚度范围。
3.确定包层所需的最小厚度a
与b的值(The refractive index of the optical waveguide data at a wavelength of 1550 nm according to the following plate
1. do not make the same waveguide core thickness d
(0 <d <15 m) corresponding to the TE mode
And TM mode dispersion map
2. The single-mode and dual-mode transmission is given to meet the
Waveguide thickness range.
3. To determine the required minimum thickness of a cladding
And the value of b)
- 2021-03-21 20:59:17下载
- 积分：1
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knn
K-nn implemention has written with matlab.
- 2015-02-17 02:39:10下载
- 积分：1
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dizhenmonijiluz
地球物理学地震子波以及合成记录模拟原代码.(Geophysical seismic wavelet, and synthetic seismogram simulated the original code.)
- 2021-04-26 19:28:45下载
- 积分：1
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poissonnetwork
泊松网络 平均节点数是5的1000个节点的泊松网络结构 均匀分布的网络(Poisson network the average number of nodes is 5 Poisson 1000 nodes uniformly distributed network architecture network)
- 2011-10-25 11:13:35下载
- 积分：1
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xiaobobaoju
小波包能量巨程序（已做归一化处理，用于对振动信号提取特征）(Wavelet packet energy giant program (normalization process has been done for the vibration signal feature extraction))
- 2013-11-05 10:50:14下载
- 积分：1
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file
file函数说明，用于matlab 很好很强大(function description file for matlab very very strong)
- 2010-08-13 20:19:40下载
- 积分：1
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M_program
说明： 音频水印的matlab相关程序，包括两个部分：小波域音频水印（含修正离散余弦变换）及基于HRT和线性回归检测水印的算法。
(Matlab audio watermark-related procedures, including two parts: audio watermarking in wavelet domain (including MDCT) and linear regression based on the HRT and the watermark detection algorithm.)
- 2009-07-30 14:33:28下载
- 积分：1
