NDLI: Stepped-frequency waveform design for SAR imaging and radial velocity compensation

Content Provider	IEEE Xplore Digital Library
Author	Li Haiying Yang Ruliang
Copyright Year	2002
Description	Author affiliation: Inst. of Electron., Acad. Sinica, Beijing, China (Li Haiying; Yang Ruliang)
Abstract	The stepped-frequency waveform is used to obtain large effective bandwidth for high range resolution by transmitting the pulses with sequentially changing carrier frequency, so that is reduces the requirements on instantaneous bandwidth and receiver. However, this waveform is very sensitive to the radial velocity between radar and targets, which results in the loss of range resolution and SNR. This paper combines the stepped-frequency waveform with synthetic aperture radar (SAR) in order to achieve the high resolution image in two dimensions. Furthermore, the consideration of waveform design is discussed, and the simulation results, which validate the method, are shown.
Sponsorship	IEEE Los Angeles Council IEEE Aerospace & Electron. Syst. Soc. Northrop Grumman Corp. Raytheon Co
Starting Page	488
Ending Page	492
File Size	312641
Page Count	5
File Format	PDF
ISBN	078037357X
DOI	10.1109/NRC.2002.999766
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2002-04-25
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Radar polarimetry Frequency Radar imaging Space vector pulse width modulation Synthetic aperture radar Bandwidth Radar antennas Image resolution Azimuth Image sampling
Content Type	Text
Resource Type	Article

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