[PDF][PDF] Investigation of Frequency Agility for LPI-SAR Waveforms

ZA Wagner - Naval Postgraduate School: Monterey, CA, USA, 2018 - upload.wikimedia.org
INVESTIGATION OF FREQUENCY AGILITY FOR LPI-SAR WAVEFORMS Page 1 Calhoun:
The NPS Institutional Archive DSpace Repository Theses and Dissertations 1. Thesis and …

SAR imagery via frequency shift keying Costas coding

ZA Wagner, DA Garren, PE Pace - 2017 IEEE Radar …, 2017 - ieeexplore.ieee.org
This paper develops methods for using frequency shift keying (FSK) Costas-coded
transmission waveforms in order to generate synthetic aperture radar (SAR) imagery. This …

Increasing the effective bandwidth of an SF-CW SAR using frequency agility

K Morrison - IEEE International Radar Conference, 2005., 2005 - ieeexplore.ieee.org
The use of a frequency-agile waveform is proposed as a way of providing significantly
increased bandwidth for a stepped frequency continuous wave (SF-CW) SAR, than is …

Anomalous propagation limitations to high-resolution SAR performance

M Denny, I Scott - Proceedings of the 2002 IEEE Radar …, 2002 - ieeexplore.ieee.org
We show that the performance of future high-resolution SAR modes will be limited by
anomalous propagation effects, rather than by platform measurement errors, or focusing …

Staggered coprime pulse repetition frequencies synthetic aperture radar (SCopSAR)

A Aldharrab, ME Davies - IEEE Transactions on Geoscience …, 2021 - ieeexplore.ieee.org
High-resolution wide-swath synthetic aperture radar (HRWS-SAR) imaging is highly
desirable since it allows one to produce high-resolution SAR images of large areas during a …

Generalized frequency-domain SAR processing

EC Zaugg, DG Long - IEEE Transactions on Geoscience and …, 2009 - ieeexplore.ieee.org
The range-Doppler algorithm and the chirp-scaling algorithm (CSA) process synthetic
aperture radar (SAR) data with approximations to ideal SAR processing. These …

[图书][B] Generalized image formation for pulsed and LFM-CW synthetic aperture radar

EC Zaugg - 2010 - search.proquest.com
Approximations made in the traditional signal model for synthetic aperture radar (SAR)
processing cause defocusing of the radar images when the system operates under …

Doppler Aliasing Reduction In Wide-Angle Synthetic Aperture Radar Using A Linear Frequency Modulated Random Stepped-Frequency Waveform

JR McMahon - 2005 - scholar.afit.edu
This research examines the theory, application, and results of using Random Stepped-
Frequency (RSF) waveforms to mitigate Doppler aliasing in a wide-angle Synthetic Aperture …

Phase errors and autofocus in SAR imagery

CV Jakowatz, DE Wahl, PH Eichel, DC Ghiglia… - … Mode Synthetic Aperture …, 1996 - Springer
In previous chapters, we discovered how the steps involved in the collection and formation
of SAR imagery can be explained in light of tomographic principles. We also saw that …

Effective bandwidth SF-CW SAR increase using frequency agility

K Morrison - IEEE Aerospace and Electronic Systems …, 2006 - ieeexplore.ieee.org
The use of a frequency-agile waveform is proposed as a way of providing significantly
increased bandwidth for a stepped frequency continuous wave (SF-CW) SAR, than is …