An electronic warfare (EW) receiver based on fast Fourier transforms (FFTs) with different frame sizes is presented. With a given sampling frequency, an FFT-based EW receiver can improve its frequency estimation by increasing the FFT frame size; however, such an increase has detrimental effects on its time-of-arrival and pulse width estimations. By applying multiple FFTs with different frame sizes, the proposed EW receiver can achieve high time and frequency resolutions simultaneously.
Electronic Warfare Receiver with Multiple FFT Frame Sizes
IEEE Transactions on Aerospace and Electronic Systems ; 48 , 4 ; 3318-3330
01.10.2012
1645676 byte
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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