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OFDM信号频谱感10
说明： 前已提出的频谱感知方法主要包括匹配滤波器检测、 能量检测、 循环平稳特征检测以及多分辨率频谱感知. 这些方法均为单节点感知方法.然而，在阴影和深度衰落情况下， 单个节点的感知结果并不可靠， 因此， 需要对多个节点的感知结果进行融合，以提高检测可靠性， 即协作感知技术. 文献采用“或” 准则对各个 CR 感知结果进行融合. 文献则提出了基于 D-S 证据理论的协作频谱感知算法，虽然该算法的性能比“或” 准则或“与”准则要好， 但需要存储大量历史信息， 算法的计算复杂度也很高. 文献中分析了采用似然比检测(likelihood ratio test， LRT) 的软判决与采用“与” 准则的硬判决的性能， 结果表明采用软判决的协作感知性能更优(Previously proposed spectrum sensing methods mainly include matched filter detection, energy detection, cyclostationary feature detection and multi-resolution spectrum sensing. These methods are all single node sensing methods. However, in the case of shadow and deep fading, the sensing results of single node are not reliable, so, It is necessary to fuse the sensing results of multiple nodes to improve the detection reliability, i.e. cooperative sensing technology. In the literature, "or" criterion is used to fuse the CR sensing results. In the literature, a cooperative spectrum sensing algorithm based on D-S evidence theory is proposed. Although the performance of the algorithm is better than "or" criterion or "and" criterion, a large amount of historical information needs to be stored, The computational complexity of the algorithm is also very high. In the literature, the performance of the soft decision based on the likelihood ratio test)
- 2020-11-19 21:19:37下载
- 积分：1
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radar_matlab2018
说明： 实现雷达信号处理仿真，LFMMTIMTD(radar signal processing,including MTI,MTD,LFM signal)
- 2020-10-17 00:57:28下载
- 积分：1
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antennatheory
contains a document about antenna array fundamentals, equation for estimation of array parameters, antenna polar plots. etc
- 2009-03-11 17:16:58下载
- 积分：1
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A discrete Hartley transform based OFDM model
document for OFDM system
- 2018-01-02 18:57:29下载
- 积分：1
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ADAM.net-ModbusRTU-Win32
Windows系统下Modbus RTU协议从站，VB.net开发，可以直接支持研华系列采集模块的源代码(Windows systems, the Modbus RTU protocol slave, VB.net developers can directly support the of Advantech series acquisition module source code)
- 2013-01-17 14:04:16下载
- 积分：1
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QAM16
使用Matlab仿真QAM_DSSS通信系统误码率，并和理论误码率进行比较。(Matlab QAM_DSSS BER
)
- 2013-06-26 19:40:46下载
- 积分：1
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dco
dpll的一个中间器件，实现增量-减量DCO功能(dpll of an intermediate device to achieve incremental- DCO function reduction)
- 2020-12-10 10:29:19下载
- 积分：1
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Channel_estimation_remade
Matlab Code for Channel estimation using LS method
- 2017-11-28 09:55:18下载
- 积分：1
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gaSVMcgForClass
说明： 利用遗传算法优化SVM的两个参数，得到高精度的SVM模型用于识别分类(Optimization of SVM parameters by GA algorithm)
- 2020-12-23 14:49:33下载
- 积分：1
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radar_sort
说明： 雷达信号分选的经典matlab代码。包含PRI变换、CDIF、SDIF三种方式(radar signal sort include PRI CDIF SDIF)
- 2020-12-25 00:29:04下载
- 积分：1
