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Effects of sampling and quantization on single-tone frequency estimation
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Host-Madsen, A. (författare)
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- Händel, Peter, 1962- (författare)
- KTH,Signaler, sensorer och system
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(creator_code:org_t)
- Institute of Electrical and Electronics Engineers (IEEE), 2000
- Engelska.
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Ingår i: IEEE Transactions on Signal Processing. - : Institute of Electrical and Electronics Engineers (IEEE). - 1053-587X .- 1941-0476. ; 48:3, s. 650-662
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- The effects of sampling and quantization on frequency estimation for a single sinusoid are investigated. Cramer-Rao bound for I-bit quantization is derived and compared with the limit of infinite quantization. It is found that I-bit quantization gives a slightly worse performance, however, with a dramatic increase of variance at certain frequencies. This can be avoided by using four times ol oversampling. The effect of sampling when using nonideal antialiasing lowpass filters is therefore investigated through derivation of the Cramer-Rao lower bounds. Finally, fast estimators for 1-bit quantization, in particular, correlation-based estimators, are derived,and their performance is investigated. The paper is concluded with simulation results for fourtimes oversampled I-bit quantization.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering (hsv//eng)
Nyckelord
- threshold behavior
- maximum-likelihood
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)