正弦信号的matlab代码-COMP:补偿
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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