Page 17 - Fundamentals of Radar Signal Processing

strategy based on the Neyman-Pearson criterion largely intact while reducing

reliance on the “scan-to-scan” and “pulse-to-pulse” terminology for discussing
noncoherent integration issues. I have not abandoned these terms completely
because the student still needs to understand them to interpret the literature and
apply it to modern systems. The other change to Chap. 2 is a modest increase in
the discussion of clutter reflectivity.
Chapter 3 has been renamed “Pulsed Radar Data Acquisition” but is

largely unchanged. The discussion of acquiring a datacube for one CPI has been
reorganized a bit to make the sequence clearer. Similarly, Chap. 4 on
waveforms has been expanded only slightly, to add time-domain control of
linear FM sidelobes and brief mentions of the stepped-chirp waveform,
mismatched filters for binary phase codes, and continuous wave radar.
Chapter 5 on Doppler processing has been significantly expanded to
include more explanation of the behavior of the pulse Doppler spectrum in the

presence of range and Doppler ambiguities. A short mention of the pros and
cons of the low, medium, and high PRF regimes has been added. Coverage of
ambiguity resolution has been increased and a discussion of blind zones added.
Also, the discussion of staggered pulse repetition frequencies for moving target
indication has been redone in terms of pulse repetition intervals.
Chapter 6 on basic detection theory and Chap. 7 on constant false alarm

rate (CFAR) thresholding have been combined into the new Chap. 6 but are
otherwise little changed except for corrections and clarifications. Chapter 8 on
synthetic aperture radar has likewise been corrected and clarified, with some
additional information on interferometric SAR added. Finally, Chap. 9 on
adaptive beamforming and space-time adaptive processing has also been
corrected and clarified. The only significant change has been the elimination of
most of the material on computational issues in STAP. (Perhaps a future third

edition will have room for a new chapter that can address computational issues
in all the radar signal processing techniques.) While SAR and adaptive
interference suppression are extremely important in modern radar, the intent of
this text is to introduce the basics and prepare the student to tackle some of the
many fine books that address these topics in depth.

Throughout the text, I attempt to do a better job of identifying and bringing
out common themes that arise again and again in radar signal processing, if
sometimes in disguise. These include phase history, coherent integration,
matched filtering, integration gain, and maximum likelihood estimation.
A one-semester course in radar signal processing can cover Chaps. 1
through 7, perhaps also skipping some of the later sections of Chaps. 2 and 3 for
additional time savings. Such a course provides a solid foundation for more
advanced work in detection theory, adaptive array processing, synthetic

aperture imaging, and more advanced radar concepts such as passive and
bistatic systems. A quarter-length course could cover Chaps. 1 through 5 and the
non-CFAR portion of Chap. 6 reasonably thoroughly. In either case, a firm