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pm
说明: P-M非线性各向同性扩散滤波,用于去除图像或者地震数据上的噪声(Used to remove noise from images or seismic data.)
- 2018-09-09 13:54:53下载
- 积分:1
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enuine_glready
在vc中调用matlib得时候,需要一些引擎文件,在这里已经全部包含,(In the vc call matlib and need some engine file, already all contain here,)
- 2017-05-31 03:45:53下载
- 积分:1
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320338633PEG
LDPC的矩阵生成,准循环码矩阵的生成,采用PEG算法生成,使用块矩阵方法(produce QC-LDPC matrix)
- 2020-07-08 11:48:57下载
- 积分:1
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wireless-communication
无线通信经典教材(杨鸿文译),(美)哥德史密斯(Goldsmith,A.)著。(图灵电子与电气工程丛书)(Classic textbook of wireless communication (Yang Hongwen translation), (U.S.) Goldsmith (Goldsmith, A.). (Turing Electronic and Electrical Engineering Series))
- 2012-05-18 11:55:47下载
- 积分:1
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程序
说明: 1、基带码型仿真
(1)通过仿真观察占空比为50%、 75%以及100%的单、
双极性归零码波形以及其功率谱,分析不同占空比对
仿真结果的影响。
(2) 通过仿真产生一随机消息码序列,将其分别转换为
AMI码和HDB3码,观察它们的波形及其功率谱密度。
2、数字带通调制系统仿真
设计一个采用2ASK( OOK) 调制的数字通信系统:
产生二进制随机数据,并仿真其对应的2ASK调制波形,
分析其频谱。所产生的调制波形加入不同信噪比的白噪声,
选取合适的接收方案,画出系统误码率曲线,并与理论误
码率进行对比。(1.Baseband pattern simulation
2. Simulation of digital band-pass modulation system)
- 2020-06-29 07:20:01下载
- 积分:1
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5
说明: 5. 在三条径的瑞利信道中,对于直接序列扩频:
(1) 请设计DS-CDMA一种具体的码分导引辅助的信道估计方法,接收机分别采用等均益合并、最大比合并。用Simulink进行仿真,画出比特信噪比与信道估计均方误差的关系曲线和比特信噪比与误码率的关系曲线。
(2) 设频率已经同步,请设计DS-CDMA一种具体的单停顿滑动相关时间同步方法,用Simulink进行仿真,画出比特信噪比与捕获概率的关系曲线。
(3) 设时间已经同步,请设计DS-CDMA一种具体的频率同步方法,用Simulink进行仿真,画出比特信噪比与频率同步误差的关系曲线。(5. In three-path Rayleigh channel, for direct sequence spread spectrum:
(1) please design a specific code division navigation aided channel estimation method for ds-cdma, and adopt equal-beneficial combination and maximum ratio combination for receivers respectively.Simulink is used to simulate and draw the relationship curve between bit SNR and channel estimation mean square error and the relationship curve between bit SNR and bit error rate.
(2) assuming that the frequency has been synchronized, please design a specific single-stop sliding correlation time synchronization method ds-cdma, Simulink simulation, draw the relationship between the bit SNR and the acquisition probability curve.
(3) if the time has been synchronized, please design a specific frequency synchronization method ds-cdma, Simulink simulation, draw the relationship between the bit SNR and frequency synchronization error curve.)
- 2019-01-15 10:58:23下载
- 积分:1
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SaDE
差分进化算法的改进算法,用于比较和测试算法的性能。(Bio-inspired intelligent optimization algorithm matlab program)
- 2021-02-18 19:09:44下载
- 积分:1
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clusteringEvaluation
对快速搜索密度峰值聚类的改进,来自于《Comparative density peaks clustering》这篇文章,增加了最小距离,对聚类中心的边界进行了限定,有效提高了对非中心点的分配准确率。(Improvement of peak clustering for fast search density)
- 2018-11-21 19:45:10下载
- 积分:1
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siaodaoseng
这是一种画翼型的方法。西奥道森方法画翼型,该方法画的翼型准确。(a code used to plot airfoil!)
- 2009-07-04 11:19:15下载
- 积分:1
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AGC
说明: 数字AGC仿真代码适合于基础的了解数字控制模块(Digital AGC simulation code is suitable for understanding the basis of the digital control module)
- 2008-10-16 17:22:19下载
- 积分:1