Processing of FM-CW Doppler Radar Signals from Distributed Targets

Processing of FM-CW Doppler Radar Signals from Distributed Targets

The concept of FM-CW Doppler processing is explained by showing it to be a special case of a correlation receiver with a frequency offset reference. For a linear FM signal, time delay and frequency shift can be arranged to cancel each other, and this results in con. siderable simplification of the c...

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Veröffentlicht in:IEEE transactions on aerospace and electronic systems 1979-01, Vol.AES-15 (1), p.185-189
Hauptverfasser: Chadwick, R.B, Straucih, R.G.
Format: Artikel
Sprache:eng
Schlagworte:
Autocorrelation
Correlators
Delay
Doppler radar
Doppler shift
Frequency
Radar measurements
Signal processing
Spectral analysis
Velocity measurement
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Zusammenfassung:The concept of FM-CW Doppler processing is explained by showing it to be a special case of a correlation receiver with a frequency offset reference. For a linear FM signal, time delay and frequency shift can be arranged to cancel each other, and this results in con. siderable simplification of the correlation receiver. The number of range cells and the number of frequency bins per range cell are shown to be related to the sampling obtainable by a digital spectrum analyzer.
ISSN:0018-9251
1557-9603
DOI:10.1109/TAES.1979.308817