随机共振混合信号处理:采用噪声的模数转换和信号处理

Insani Abdi Bangsa, Dieuwert P. N. Mul, W. Serdijn
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引用次数: 2

摘要

随机共振(SR)是一种可以利用噪声来提高系统性能的现象。例如,它可以用来提高基于比较器的电路的性能。本文给出了基于sr的1位ADC的输入输出关系、谐波失真和噪声特性的解析推导,并提出了一种基于sr ADC的新型信号乘法器的设计。通过仿真验证了所预测的行为。本文的工作显示了完全基于随机共振的模数转换和集成信号处理的潜力。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Stochastic Resonance Mixed-Signal Processing: Analog-to-Digital Conversion and Signal Processing Employing Noise
Stochastic resonance (SR) is a phenomenon in which noise can be employed to increase the performance of a system. It can e.g. be used to improve the performance of comparator-based circuits. This paper presents the analytical derivation of input-output relation, harmonic distortion, and noise behaviour of a 1-bit ADC using SR. Furthermore, the design of a new signal multiplier based on SR-ADCs is presented. The predicted behaviours are demonstrated by means of simulations. The work presented in this paper shows the potential for analog to digital conversion and integrated signal processing fully based on stochastic resonance.
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