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200622112110396
Abstract：Thearticleismainlydevotedtothetheoryaswellastheachievementonthemodulationanddemodulationofπ/
4-DQPSKsysteminthesoftwareSystemView.Besides，thearticleanalysesthedynamicandstatic
behaviorsoftheπ/4-DQPSKsystemaswellastheperformanceagainstnoiseundertheconditionofGaussnoise
channel.Thecomparisonismadeonthespectrumandanti-noiseperformancebetweenπ/4-DQPSKandQPSK
underthethesamechannel.Theresultofsimulationshowsthatthespectrumexpandingofπ/4-DQPSKissuperiortothatoftheQPSKsystem.
Keywords：π/4-DQPSK；SystemView；computeraideddesign（CAD）；Matlab(Abstract:
Thearticleismainlydevotedtothetheoryaswellastheachievementonthemodulationanddemodulationof
pi/4-DQPSKsysteminthesoftwareSystemView.Besides,
thearticleanalysesthedynamicandstatic behaviorsofthe pi
/4-DQPSKsystemaswellastheperformanceagainstnoiseundertheconditionofGaussnoise
channel.Thecomparisonismadeonthespectrumandanti-noiseperformancebetween
pi /4-DQPSKandQPSK
underthethesamechannel.Theresultofsimulationshowsthatthespectrumexpandingof
pi /4-DQPSKissuperiortothatoftheQPSKsystem. Keywords: Pi /4-DQPSK;
SystemView; Computeraideddesign (CAD); Matlab)
- 2006-06-02 19:35:58下载
- 积分：1
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weimin
读取语音信号（用matlab的wavread指令），把语音信号分帧、加窗，进行清浊分割，提取基
频，这一部分较简单，自己编程序做。参考文献自己到图书馆期刊网上查找。
提取语音信号的lpc参数，可调用lpcfit.m 程序（我提供，见附件），将源、目标语音的浊音
段的lpc系数进行DTW规整，调用pathita2.m 程序（我提供，见附件）。将规整得到的lpc系数
转换成lsp参数，调用lpcar2ls.m 程序（我提供，见附件）， 再进行转换映射，调用matlab
的指令newrbe。(read the speech signal (using Matlab wavread Directive), Voice Signal frames, Windowed, Qingzhuo segmentation, extracting fundamental frequency, this part is relatively simple, they programmed to do. References their online journals to the library search. Voice Signal Extraction lpc parameters can be called lpcfit.m (I provide, see Annex), the source, Voiced objective voice of the lpc coefficient DTW structured, Call pathita2.m (I provide, see Annex). Structured to the lpc lsp conversion coefficient parameters, calling lpcar2ls.m (I offer see Annex), the shift mapping, called the directive newrbe Matlab.)
- 2007-04-22 16:08:00下载
- 积分：1
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RLS
自己写的经典Rls算法，含有丰富的程序说明(Write your own classic Rls algorithm, rich description of the procedures)
- 2013-08-10 10:05:42下载
- 积分：1
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math
关于matlab的数学基础的英文资料，对于了解matlab的编程原理有很好的帮助(About matlab mathematical foundations of English, for the understanding of matlab programming principles of good help)
- 2013-11-03 16:13:58下载
- 积分：1
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Laporan_KP
About GPON (Gigabyte Passive Optical Network)
- 2015-03-04 18:42:43下载
- 积分：1
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BTSVM
基于孪生支持向量机的二叉树多分类 结合TSVM，依据类间距和类内距离构建二叉树的层次结构(TSVM MATLAB)
- 2021-04-08 16:59:00下载
- 积分：1
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work
PN Codes Correlation Properties
- 2009-06-12 00:56:54下载
- 积分：1
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wavelet
说明： 这个程序可以用来小波和很重大很彪悍很特殊讨厌这个设置只想下载一个小程序(This procedure can be used to wavelet material is sturdy and very very special hate this setting only want to download a small program)
- 2011-02-25 11:35:08下载
- 积分：1
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sggh
三种信号进行EMD分解，IMF分量绘图 进行比较显示(Three signals for EMD decomposition, IMF component drawing comparison shows)
- 2011-11-29 20:50:49下载
- 积分：1
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dt
说明： 一个关于有向图最短路线的matlab程序，有点短，但挺适用(A directed graph on the shortest route matlab procedures, a bit short, but very applicable to)
- 2008-02-26 18:58:25下载
- 积分：1
