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2008_2
(1) 在某些无线信道中，多普勒频移会引起无线信道输出信号的混叠。请描述产生混叠的各种原因；
(2) 无线信道中的多普勒谱有一种经典谱(classic spectrum)，请解释产生这种谱形状的机理；
(3) 请用Simulink工具编写代码(S-Function方式)，产生一单径瑞利信道，其多普勒谱为经典谱，其中移动速率为120km/h。并请回答：证明自己用计算机产生的经典谱是正确的可能方法。
((1) in certain wireless channel, the Doppler frequency shift will be caused by wireless channel output signal aliasing. Please describe the resulting aliasing of a variety of reasons (2) wireless channel Doppler spectrum there is a classical spectrum (classic spectrum), please explain such a spectral shape of the mechanism (3) Please use Simulink tools for writing code ( S-Function mode), resulting in a single Path Rayleigh channel, the Doppler spectrum for the classical spectrum, including mobile rate of 120km/h. And please answer: prove that they used computer-generated classical spectrum is correct possible ways.)
- 2020-12-30 11:39:00下载
- 积分：1
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dbscan
DBSCAN算法的matlab 实现。。基于密度的聚类算法。。。(DBSCAN algorithm matlab implementation. . Density-based clustering algorithm. . .)
- 2010-08-05 08:34:19下载
- 积分：1
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koch
koch曲线 koch曲线 koch曲线 koch曲线(koch snow koch snow koch snow)
- 2011-05-18 11:29:15下载
- 积分：1
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SSI-COV
It should be noted that there is still room to improve the speed and the memory usage of the algorithms, using for instance displacement structure algorithms for the RQ decomposition and Lanczos algorithms for the SVD.
- 2021-03-31 09:59:09下载
- 积分：1
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mfile
ForMATLAB_2011a教程，matlab教程源代码，MATLAB使用和数学知识的丰富层次(ForMATLAB_2011a tutorials, matlab tutorial source code, MATLAB mathematical knowledge to use and rich gradation)
- 2013-07-10 20:00:09下载
- 积分：1
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butworth
说明： 巴特沃斯低通滤波器，完成模拟低通参数给定条件下的低通滤波器设计观念功能，适合初学者使用(low filter)
- 2010-04-13 09:52:21下载
- 积分：1
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function_source
matlab自编函数库，含有大量常用函数。。。。。。。。。。。。。。。。(self matlab function library containing a large number of commonly used functions. . . . . . . . . . . . . . . .)
- 2013-08-05 18:53:02下载
- 积分：1
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dcmpeizhun
这是数字图像多种方法的配准程序，能够处理dicom格式的图像。(This is a digital image registration procedures for various methods that can handle images dicom format.)
- 2010-06-11 18:05:01下载
- 积分：1
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xlswrite
用matlab轻松实现excel格式的数据输出(Easy to use matlab data output excel format)
- 2009-01-04 20:26:16下载
- 积分：1
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自适应鲁棒
自适应鲁棒控制，提供matlab代码及simulink图(Adaptive robust control, providing matlab code and Simulink diagram)
- 2018-03-21 21:16:43下载
- 积分：1
