Stationary FMCW SAR

Authored by: Kun-Shan Chen

Principles of Synthetic Aperture Radar Imaging: A System Simulation Approach

Print publication date:  December  2015
Online publication date:  January  2016

Print ISBN: 9781466593145
eBook ISBN: 9781466593152
Adobe ISBN:


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This chapter deals with a stationary frequency-modulated continuous-wave (SFMCW) system for which the synthetic aperture radar (SAR) sensor is quasi-stationary. Unlike the conventional SAR that makes use of the Doppler frequency by sensor motion, the SFMCW SAR, with no Doppler information available, must have a new signal model to design a proper focusing algorithm. In light of this, in this chapter, we derive a mathematical signal model, followed by developing a focusing algorithm based on the range–Doppler and chirp scaling algorithms, which were generally outlined in ]Chapter 5. Numerical simulations and indoor and outdoor experiments were designed and validated the system. Also presented is the motion compensation (MoCo), a sequel to Chapter 6.

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