Relation between i.f. and baseband chirp filtering
- 16 September 1976
- journal article
- Published by Institution of Engineering and Technology (IET) in Electronics Letters
- Vol. 12 (19) , 509-510
- https://doi.org/10.1049/el:19760386
Abstract
Extracting the modulus output for a complex signal convolved with a complex chirp impulse response requires four real filters at baseband plus components for summing, differencing, squaring and square rooting. Modulating the signal onto a carrier allows the equivalent processing to be performed to a good approximation by a single i.f. filter.Keywords
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