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Signal-capture

于 2020-11-20 发布文件大小:3KB

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信号的捕获(直接序列扩频系统的matlab仿真实现，包括M,GOLD序列生成，信道建模，噪声，扩频，解扩)(Signal capture (direct sequence spread spectrum system simulation matlab implementation, including M, GOLD sequence generation, channel modeling, noise, spreading, despreading))

文件列表：

信号的捕获(直接序列扩频系统的matlab仿真实现，包括M,GOLD序列生成，信道建模，噪声，扩频，解扩)
............................................................................................\DS_SS.m,3916,2008-12-03
............................................................................................\GoldGenerator.m,1290,2008-04-08

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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

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本程序计算了连续相位调制CPM的功率谱密度(The program calculates the continuous phase modulation CPM power spectral density)

2021-01-13 19:18:47下载

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说明：详述LDPC码，有DVB_S2中LDPC编解码分析等以及KDH文档。(LDPC code in detail, there are DVB_S2 in the analysis of LDPC codec and KDH document.)

2009-08-09 20:38:45下载

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完整的Verilog验证模型，包括设备完整的状态。(Complete verilog Verification Model)

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基于RLS算法的自适应滤波器的matlab仿真，通过该仿真我们可以更加升入的了解，提供直观的理解。(Matlab simulation of the adaptive filter based on RLS algorithm through the simulation, we can ascend to a more understanding, to provide an intuitive understanding )

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2012-07-03 17:01:00下载

积分：1

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Signal-capture

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