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一种基于高阶累积量的数字调相信号识别方法
对当前通信信号中常用的数字调相信号BPSK、QPSK、1／4一QPSK、8PSK的调制识别问题，提出了一种基于信号差分高阶累积量的识剐算法。该算法分两个层次进行调制识别，首先利用信号的四阶累积量特征对BPSK、QPSK和{1／4一QPSK、8PSK}信号进行识别，然后再利用信号差分的四阶和八阶累积量特征对1/4-QPSK、8PSK信号进行识别。从理论上分析了的该算法的有效性，并通过计算机仿真验证了算法具有良好的性能。(A recognition algorithm based on differential high-order cumulant is proposed for the modulation recognition problems of BPSK, QPSK, 1/4-QPSK and 8PSK, which are commonly used in current communication signals. The algorithm is divided into two levels for modulation recognition. Firstly, BPSK, QPSK and {1/4-QPSK, 8PSK} signals are identified by using the fourth-order cumulant characteristics of signals, and then 1/4-QPSK and 8PSK signals are identified by using the fourth-order cumulant and eighth-order cumulant characteristics of signal difference. The validity of the algorithm is analyzed theoretically, and the good performance of the algorithm is verified by computer simulation.)
- 2020-06-21 09:40:02下载
- 积分：1
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guandao
惯导仿真程序，包含轨迹省成本，GPs组和导航，卡尔曼滤波等内容(failed to translate)
- 2010-11-17 00:11:51下载
- 积分：1
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external_interrupt_C28x
基于TI CCS5.3的外部GPIO中断源程序，内核为TI DSP的C28x，代码中对中断配置进行了详细的说明，希望对初学者有用。(Based on TI CCS5.3 external GPIO interrupt source, the kernel is a TI DSP C28x, the code for the interrupt configuration for a detailed explanation.)
- 2013-07-20 17:03:58下载
- 积分：1
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CDMA程序
说明： 用matlab语言产生CDMA信号，并将信号解调(Generating CDMA signal)
- 2021-04-20 09:54:02下载
- 积分：1
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windPturbinePmodeling-s-function
风机/双馈式异步风力发电机模型建立的s函数(Fan/s double-fed induction wind turbine model function)
- 2013-03-28 16:23:36下载
- 积分：1
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标准霍夫变换
标准的霍夫变换的程序，用于对目标的检测程序比较完整可以出图(The standard Hof transform procedure is applied to the target detection program, which is relatively complete and can be drawn out.)
- 2018-04-26 10:19:45下载
- 积分：1
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MATLAB_OFDM
基于MATLAB的OFDM系统仿真及性能分析的一篇论文。内含matlab仿真程序，有循环前缀，信道估计。(OFDM based on MATLAB system simulation and performance analysis of a thesis. Intron Matlab simulation program, cyclic prefix, channel estimation.)
- 2007-06-13 16:08:58下载
- 积分：1
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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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DSP
dsp 田黎育的课件 讲解比较详细
- 2014-12-01 21:06:10下载
- 积分：1
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main
将Qos的网络参数映射成用户体验QoE与网络能耗以及网络的切换损耗之差作为每次网络选择的即刻回报值， 应用Q-learning算法逐步动态根据网络QOE参数进行网络选择。(Mapping Qos network parameters into user experience QoE and network energy consumption and the switching loss of the network as the immediate return value of each network selection, using Q-learning algorithm to dynamically and dynamically select the network according to the network QOE parameters.)
- 2021-02-23 00:19:41下载
- 积分：1
