Point Spread Function Analysis for BSAR With GNSS Transmitters and Long Dwell Times: Theory and Experimental Confirmation

F. Liu; M. Antoniou; Z. Zeng; M. Cherniakov

doi:10.1109/LGRS.2012.2223655

Point Spread Function Analysis for BSAR With GNSS Transmitters and Long Dwell Times: Theory and Experimental Confirmation

F. Liu, M. Antoniou, Z. Zeng, M. Cherniakov

Research output: Contribution to journal › Article › peer-review

25 Citations (Scopus)

Abstract

This letter conducts a point spread function (PSF) analysis for bistatic synthetic aperture radar (BSAR) systems where the transmitter is in medium Earth orbit, and the receiver is fixed on the ground. To achieve a reasonable azimuth resolution under such a configuration, the trajectory of the satellite can no longer be approximated as a straight line; therefore, current methods for PSF analysis are insufficient. The solution proposed involves extension of the generalized ambiguity function to accommodate satellite trajectory curvature. The theoretical analysis shows effects unlike those observed in monostatic or even the general BSAR and is verified by both simulation and experimental results using navigation satellites as the transmitting platforms.

Original language	English
Pages (from-to)	781-785
Number of pages	5
Journal	IEEE Geoscience and Remote Sensing Letters
Volume	10
Issue number	4
DOIs	https://doi.org/10.1109/LGRS.2012.2223655
Publication status	Published - 4 Dec 2012

Bibliographical note

Keywords

Asymmetric bistatic synthetic aperture radar (BSAR) systems
Generalized ambiguity function (GAF)
Long integration time
Point spread function (PSF) analysis

ASJC Scopus subject areas

Geotechnical Engineering and Engineering Geology
Electrical and Electronic Engineering

Access to Document

10.1109/LGRS.2012.2223655

Infrastructure Monitoring Using Passive Remote Imagery
Cherniakov, M.
Engineering & Physical Science Research Council
1/04/10 → 30/09/14
Project: Research Councils

Cite this

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title = "Point Spread Function Analysis for BSAR With GNSS Transmitters and Long Dwell Times: Theory and Experimental Confirmation",

abstract = "This letter conducts a point spread function (PSF) analysis for bistatic synthetic aperture radar (BSAR) systems where the transmitter is in medium Earth orbit, and the receiver is fixed on the ground. To achieve a reasonable azimuth resolution under such a configuration, the trajectory of the satellite can no longer be approximated as a straight line; therefore, current methods for PSF analysis are insufficient. The solution proposed involves extension of the generalized ambiguity function to accommodate satellite trajectory curvature. The theoretical analysis shows effects unlike those observed in monostatic or even the general BSAR and is verified by both simulation and experimental results using navigation satellites as the transmitting platforms.",

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AU - Cherniakov, M.

PY - 2012/12/4

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N2 - This letter conducts a point spread function (PSF) analysis for bistatic synthetic aperture radar (BSAR) systems where the transmitter is in medium Earth orbit, and the receiver is fixed on the ground. To achieve a reasonable azimuth resolution under such a configuration, the trajectory of the satellite can no longer be approximated as a straight line; therefore, current methods for PSF analysis are insufficient. The solution proposed involves extension of the generalized ambiguity function to accommodate satellite trajectory curvature. The theoretical analysis shows effects unlike those observed in monostatic or even the general BSAR and is verified by both simulation and experimental results using navigation satellites as the transmitting platforms.

AB - This letter conducts a point spread function (PSF) analysis for bistatic synthetic aperture radar (BSAR) systems where the transmitter is in medium Earth orbit, and the receiver is fixed on the ground. To achieve a reasonable azimuth resolution under such a configuration, the trajectory of the satellite can no longer be approximated as a straight line; therefore, current methods for PSF analysis are insufficient. The solution proposed involves extension of the generalized ambiguity function to accommodate satellite trajectory curvature. The theoretical analysis shows effects unlike those observed in monostatic or even the general BSAR and is verified by both simulation and experimental results using navigation satellites as the transmitting platforms.

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JO - IEEE Geoscience and Remote Sensing Letters

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Point Spread Function Analysis for BSAR With GNSS Transmitters and Long Dwell Times: Theory and Experimental Confirmation

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

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Infrastructure Monitoring Using Passive Remote Imagery

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