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plane
平面框架弯矩,剪力,刚度矩阵代码,使用MATLAB编制(plane frame moment,shear,stiff)
- 2009-12-18 14:57:24下载
- 积分:1
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greatwork
调制识别是非协作通信中的关键技术之一,在电子对抗、软件无线电等领域
应用十分广泛。该过程介于信号检测与解调之间,由于对传输信号没有过多的先
验信息以及在接收端有很多未知的参数,例如:信号功率,载波频率和相位偏移,
时间信息等,导致对调制方式的盲识别是一项很困难的任务。此外,实际中存在
多径衰落、频率选择性和时变信道等问题,使得这项任务变得更具有挑战性。
(The modulation recognition is one of the key technologies of the non-cooperative
communication, such as electronic countermeasures and software defination radio,
therefore it is such a significant discipline and orientation in the research of
communication field. Obviously, without enough knowledge in transmitter and verified
parameters about receivers, for example signal power, carrier frequency and phase offsets
and so force, it is hard to get the modulation of blind identification. What is more, for the
sake of the multipath fading, frequency-selective and time-varying channels in the real
scenarios the task is even harder.
)
- 2013-04-17 11:31:29下载
- 积分:1
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ofdm2
orthogonal division multiplixing(ofdm) is a new scheme used in wireless communication systems its also called multicarrier system and achieved this. cyclic prefix is used to minimize the intersymbol interference(ISI) and intercarrier interference
- 2014-01-17 15:12:25下载
- 积分:1
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Seg
车牌识别切割算法。正确定位车牌字符,然后对其进行切割。(License plate character segmentation)
- 2015-04-15 21:10:49下载
- 积分:1
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MUSIC_RMSE_SNR
智能天线的核心技术之一是波达方向估计,在无线通信中具有重要作用。MUSIC算法是一种经典的DOA估计算法,但因其计算量大、对于相干及小信噪比信号无法分辨等缺陷,故有较多的改进算法被提出。文中研究了求根MUSIC算法、基于空间平滑技术的MUSIC算法、改进MUSIC算法及修正MUSIC算法。通过仿真分析了角度间隔、信噪比、信号相干对改进MUSIC算法分辨率的影响。以上几种改进MUSIC算法进一步发挥了该算法高分辨率的优势,且有利于其在智能天线方面的应用。(One of the core technology of smart antenna is DOA estimation, which plays an important role in wireless communication. MUSIC algorithm is a classic DOA estimation algorithm, but because of its large amount of computation, the coherent and small signal to noise ratio of the signal can not be resolved and other defects, so there are many improved algorithms are proposed. This paper studies the root MUSIC algorithm based on spatial smoothing technique, the improved MUSIC algorithm, MUSIC algorithm and modified MUSIC algorithm. The influence of angle interval, signal to noise ratio and signal coherence on the resolution of the improved MUSIC algorithm is analyzed by simulation. The above improved MUSIC algorithm to further play the advantage of the high resolution of the algorithm, and it is conducive to the application of the smart antenna.)
- 2016-01-23 11:27:02下载
- 积分:1
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F2T
qpsk matlab仿真 F2T 傅里叶反傅里叶变换(qpsk matlab simulation)
- 2013-04-29 20:19:53下载
- 积分:1
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MATLABR2007
有matlab相关教案,命令大全,以及部分习题(含答案),还有些相关学习资料,是初学者很好的学习资料(There are lesson plans related to matlab, order Guinness, as well as some exercises (with answers), some related to learning materials is a very good learning materials for beginners)
- 2009-06-16 17:16:28下载
- 积分:1
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Ball_Beam_Lead_PD
pd estable for ball and beam
- 2011-02-15 16:18:46下载
- 积分:1
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SumAdd
Matlab sumilink model contains summ and gain.
- 2013-10-05 16:59:42下载
- 积分:1
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DS
说明: ds证据理论的事例,用于数据融合判决,附说明和参考文献(ds examples of evidence theory for data fusion decision, with notes and references)
- 2008-08-08 10:49:46下载
- 积分:1