Efficient stripmap-mode synthetic aperture radar raw data generation accounting for trajectory deviation with a nonzero squint angle

Yuhua Guo; Bo Zhong; Qinhuo Liu

doi:10.1117/1.JRS.10.044002

22 December 2016 Efficient stripmap-mode synthetic aperture radar raw data generation accounting for trajectory deviation with a nonzero squint angle

Yuhua Guo, Bo Zhong, Qinhuo Liu

Author Affiliations +

Journal of Applied Remote Sensing, Vol. 10, Issue 4, 044002 (December 2016). https://doi.org/10.1117/1.JRS.10.044002

Abstract

We present a stripmap-mode raw data generator that accounts for trajectory deviations with a nonzero squint angle for an extended scene. The approach is attempted under the acquisition Doppler (AD) geometry, rather than a standard cylindrical reference system. It essentially utilizes one-dimensional azimuth Fourier domain processing, followed by range time-domain integration. As a result, the proposed algorithm is more computationally efficient compared to the time-domain method and yet maintains high accuracy. The effectiveness and efficiency of the proposed algorithm are demonstrated by numerical simulations.

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Yuhua Guo, Bo Zhong, and Qinhuo Liu "Efficient stripmap-mode synthetic aperture radar raw data generation accounting for trajectory deviation with a nonzero squint angle," Journal of Applied Remote Sensing 10(4), 044002 (22 December 2016). https://doi.org/10.1117/1.JRS.10.044002

Received: 3 June 2016; Accepted: 21 November 2016; Published: 22 December 2016

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KEYWORDS

Synthetic aperture radar

Computer simulations

Sensors

Fourier transforms

Antennas

Device simulation

Convolution

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