Abstract
Stochastic Resonance (SR) is a phenomenon that occurs in certain non-linear systems in which noise can be used to improve the system response [1]. A recent approach to quantizer design has employed Stochastic Resonance by randomizing the threshold of the quantizer (Stochastic Thresholding). Stochastic Thresholding has shown a good performance in detection of weak signals buried in heavy noise even in -50 dB SNR In fact, Stochastic Thresholding helps ML estimation by some Fisher Information gain given in the quantizer. Driven by this motivation, in this paper we obtain new results on Stochastic Resonance in one-bit quantizers. Also, some discussions on threshold Probability Distribution Function (PDF) especially on the relation of the mean and the variance of PDF with a constant signal which we intend to estimate are implemented.
Original language | English |
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Title of host publication | ICSPC 2007 Proceedings - 2007 IEEE International Conference on Signal Processing and Communications |
Pages | 329-331 |
Number of pages | 3 |
DOIs | |
Publication status | Published - 2007 |
Externally published | Yes |
Event | IEEE International Conference on Signal Processing and Communications, ICSPC 2007 - Dubai, United Arab Emirates Duration: 14 Nov 2007 → 27 Nov 2007 |
Conference
Conference | IEEE International Conference on Signal Processing and Communications, ICSPC 2007 |
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Abbreviated title | ICSPC 2007 |
Country/Territory | United Arab Emirates |
City | Dubai |
Period | 14/11/07 → 27/11/07 |
Keywords
- Fisher Information
- One-bit quantizers
- Stochastic Thresholding
- Weibull distribution