A New Demodulation and Modulation Method Designed for FMCW Radar | Zendy

Wei Shen | Zendy; Biyang Wen | Zendy

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A New Demodulation and Modulation Method Designed for FMCW Radar

Author(s) -

Wei Shen,

Biyang Wen

Publication year - 2010

Publication title -

journal of electrical and computer engineering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.318

H-Index - 25

eISSN - 2090-0155

pISSN - 2090-0147

DOI - 10.1155/2010/897429

Subject(s) - demodulation , radar , frequency modulation , modulation (music) , fast fourier transform , electronic engineering , continuous wave radar , signal (programming language) , computer science , algorithm , engineering , acoustics , telecommunications , radar imaging , physics , bandwidth (computing) , channel (broadcasting) , programming language

An efficient demodulation methoddesigned for FMCW (Frequency-Modulated Continuous Wave)radar is presented. It is a kind of modified DFT (IDFT) algorithm;the spectrum segment of interest can be easily extracted fromthe original signal without calculating the whole DFT/FFT. Itprovides fast demodulation and extraction of desired frequency bands in our HFSWR (High-Frequency Surface Wave Radar)system. The proposed approach enhances the performances ofradar system and reduces the computing complexity. The newstructure could also be inversely used for signal modulation. Andalso arbitrary sampling rate conversion could be achieved withthe combination of forward and backward structure

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