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程序
在光纤通讯仿真中,产生QPSK,16QAM,64QAM信号,并添加激光相位噪声和自发辐射噪声(In optical fiber communication simulation, QPSK, 16QAM, 64QAM signals are generated, and laser phase noise and spontaneous radiation noise are added.)
- 2020-09-17 21:27:55下载
- 积分:1
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PUSCH_mapping
该程序为LTE中3GPP协议的PUSCH信道的物理资源映射程序,可进行物理层链路的资源映射部分(The program is a physical resource mapping program for the PUSCH channel of the 3GPP protocol in LTE, and the resource mapping part of the physical layer link)
- 2017-09-26 21:29:05下载
- 积分:1
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4867537666
百度手机地图 实例集合,应用程序编程源码,很好的参考资料。(Set Baidu mobile phone map example, application programming source code, a good reference.)
- 2013-11-12 00:06:06下载
- 积分:1
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Resource-allocation-in-Cognitive-Radio--master
说明: resource allocation in cognitive radio
- 2019-05-26 22:14:09下载
- 积分:1
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aedmd
欢迎大家下载学习,真的是一个好程序,小波包分析提取振动信号中的特征频率。( Welcome to download the study, Really is a good program, Wavelet packet analysis to extract vibration signal characteristic frequency.)
- 2017-04-24 09:30:30下载
- 积分:1
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MATLAB
接收端采用的算法和程序流程与发送端发送的OFDM符号的帧结构有关系。具体的帧结构,以及定时估计,频偏估计,剩余误差跟踪的算法可参考算法说明文档。这里对程序的流程进行说明。
首先根据短训练字的特性进行相关运算,进行信号到达检测,当检测到相关值大于门限一定次数后,认为有信号到达。然后根据长训练字的特性,进行相关运算,进行OFDM符号FFT窗口起始位置的估计。估计出FFT窗口的位置后,先在时域进行小频偏的估计,将两个长训练字进行小频偏补偿后,进行FFT运算,根据FFT运算的结果进行整数倍频偏的估计。这些参数估计完成后,就可以进行数据解调了。先对数据部分进行完整的频偏补偿,然后根据估计的FFT窗口位置进行FFT运算得到频域的数据,进行解调。然后在对应于导频的子载波位置上提取出导频信息,根据导频信息估计出剩余定时误差以及剩余的信道响应误差,将误差量送入环路进行跟踪。当收到所有数据后,重新回到信号到达检测状态,进行下一次信号到达的检测和信号接收。
(good)
- 2020-11-04 23:49:52下载
- 积分:1
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deinterleave
雷达信号生成函数,分析雷达多脉冲信号啊
雷达信号生成函数,分析雷达多脉冲信号(Radar signal generating function, analysis of radar signals ah multi-pulse radar signal generating function, analysis of multi-pulse radar signal)
- 2021-04-24 14:38:47下载
- 积分:1
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Wireless-Transmission-Of-Electricity
In this paper the various technologies available so far for wireless transmission of electricity and the need for a Wireless System of Energy Transmission is being discussed to find its possibility in actual practices, their advantages, disadvantages and economical consideration.
- 2011-07-13 00:03:03下载
- 积分:1
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分数阶傅里叶变换对chirp信号进行解调 frft
区别去传统的傅里叶变换,对于非平稳信号而言,分数傅里叶变换是一个较好的方法,本程序实现了分数傅里叶变化对LPF类信号的估计。具有较高的学习价值(Different from the traditional Fourier transform, for non-stationary signals, fractional Fourier transform is a better method, this program implements the fractional Fourier transform to estimate the class LPF signal. It has higher learning value)
- 2017-07-14 12:26:05下载
- 积分:1
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自适应滤波器原理(中文第四版)
说明: 自适应滤波器原理参考书,可用于滤波器编程参考(Reference Book on Principles of Adaptive Filters)
- 2019-03-26 12:45:39下载
- 积分:1