正弦信号的matlab代码-COMP:补偿

上传者: 38648968 | 上传时间: 2021-06-23 10:58:36 | 文件大小: 802KB | 文件类型: ZIP
正弦信号的matlab代码具有SPG,OMP和CoSaMP的压缩感知Sigma Delta ADC 这是用于压缩感应sigma-delta模数转换器(ADC)的MATLAB仿真程序。 有关压缩感测理论,请参阅我的文件。 在此自述文件中,我将仅简要介绍概念,然后给出代码运行说明。 Sigma Delta模数转换器(ADC)中的压缩感测 我们已经涵盖了所有数学基础知识,以了解压缩感测。 我们知道,当A遵循RIP时,压缩感知是可行的,并且可以通过BP或BPDN问题获得重建算法。 现在,让我们看一下如何将此过程集成到Sigma Delta ADC中。 Σ-ΔADC的基本概念可以在本书中找到。 现在让我们分析电路模型并解释其工作原理。 以下是传统的Σ-ΔADC: X(t)代表输入信号,Y(t)代表ADC输出,Res(t)代表第一个减法器之后的残差值,E(t)代表由单比特量化器和Int( t)代表积分器输出。 从该图中我们可以得到三个方程: 解决它并获得它并不难 在这里,我们得到了传统sigma delta ADC的行为:由于量化噪声将在长梯级中扣除(更多细节将在以后显示),Y(t)近似等于输入数

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