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An 8-QAM communications channel simulation in Simulink, constructed from a 16-QAM model and using an I,Q correlation receiver.
QAM (quadrature amplitude modulation) is a method of combining two amplitude-modulated (AM) signals into a single chan
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自相关法求取时间序列延时的函数,包括Simulink产生时间序列的文件,两个主函数,以及运行程序-Since the correlation function to obtain time series of delay, including time series generated Simulink file, the two main functions, and operational procedures
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cdma是在数字技术的分支——扩频通信技术上发展起来的一种崭新而成熟的无线通信技术。即将需传送的具有一定信号带宽信息数据,用一个带宽远大于信号带宽的高速伪随机码进行调制,使原数据信号的带宽被扩展,再经载波调制并发送出去。接收端使用完全相同的伪随机码,与接收的带宽信号作相关处理,把宽带信号换成原信息数据的窄带信号即解扩,以实现信息通信。-cdma wireless communication technology in a new and sophisticated digital technol
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C-CMethod.m C-C法主函数,调用方式见函数体
correlation_integral.m 关联积分求解(被C-C法主函数调用)
disjoint.m 将时间序列分为t个不相交的向量
heaviside.m 判断函数>0为1,<0为0
reconstitution.m 相空间重构函数
lorenz_phase.m 实验函数,用lorenz系统测试C-C法
lorenz_sim.mdl 用s
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利用相关法进行系统辨识的matlab程序
包含m文件和simulink仿真图-System identification using the correlation method
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有关捕获算法的小程序,其中包括论文,以及PN码的产生、自相关、互相关的matlab仿真,还有一个扩频接收机的simulink仿真。-About capturing algorithm for small procedures, including papers, as well as to generate the PN code, autocorrelation, cross correlation matlab simulation, there is a spread spectrum r
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振动信号和噪声信号相关性,simulink s函数-Vibration and noise signals correlation, simulink s function
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飞行器自动驾驶仪的相关算法仿真功能,应用Simulink和FlightGear-Correlation algorithm simulation aircraft autopilot function, the application Simulink and FlightGear
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采用simulink搭建的GPS软件接收机模型,包含从伪码生成、相关接收、捕获、跟踪、解码等完整的流程。内涵解释说明文件,需要用的一定要按照说明配置求解器。-Using Simulink to build the GPS software receiver model, including the pseudo code generation, correlation reception, capture, tracking, decoding and other complete proce
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Correlation diagram shown in detail the time domain and frequency domain, Partial least squares method, It can be directly calculated multi-fractal spectrum.
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Correlation analysis process matlab method, Consider shadow rain attenuation and multipath effects Algorithm for researchers to do reference.
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For feature reduction, feature fusion, correlation analysis, Is a good learning materials to learn PCA feature extraction, Stepwise linear regression.
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Minimum mean square error MSE calculation algorithm, Including quaternion various calculations, Achieve canonical correlation analysis.
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Various resource allocation algorithm, Including the generalized cross-correlation function GCC time delay estimation, Combined with PCA scale invariant feature transform (SIFT) algorithm.
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Multirate signal processing, Correlation diagram shown in detail the time domain and frequency domain, Suppressed carrier type differential phase modulation.
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Realization of 10 digital audio recognition program For feature reduction, feature fusion, correlation analysis, Computing time and two-dimensional histogram.
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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
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