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Title: SAR processing with non-linear FM chirp waveforms.

Nonlinear FM (NLFM) waveforms offer a radar matched filter output with inherently low range sidelobes. This yields a 1-2 dB advantage in Signal-to-Noise Ratio over the output of a Linear FM (LFM) waveform with equivalent sidelobe filtering. This report presents details of processing NLFM waveforms in both range and Doppler dimensions, with special emphasis on compensating intra-pulse Doppler, often cited as a weakness of NLFM waveforms.
Authors:
Publication Date:
OSTI Identifier:
902597
Report Number(s):
SAND2006-7729
TRN: US200719%%11
DOE Contract Number:
AC04-94AL85000
Resource Type:
Technical Report
Research Org:
Sandia National Laboratories
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
Subject:
47 OTHER INSTRUMENTATION; OPTICAL RADAR; SIGNAL-TO-NOISE RATIO; WAVE FORMS; IMAGE PROCESSING; Synthetic Aperture Radar.; Radar.; Waveforms.-Calculations