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

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Point Spread Function Analysis for BSAR With GNSS Transmitters and Long Dwell Times : Theory and Experimental Confirmation. / Liu, F.; Antoniou, M.; Zeng, Z.; Cherniakov, M.

In: IEEE Geoscience and Remote Sensing Letters, Vol. 10, No. 4, 04.12.2012, p. 781-785.

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@article{d4ce0964cd304108a898080439ddb99d,
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.",
keywords = "Asymmetric bistatic synthetic aperture radar (BSAR) systems, Generalized ambiguity function (GAF), Long integration time, Point spread function (PSF) analysis",
author = "F. Liu and M. Antoniou and Z. Zeng and M. Cherniakov",
note = "Copyright 2012 Elsevier B.V., All rights reserved.",
year = "2012",
month = dec,
day = "4",
doi = "10.1109/LGRS.2012.2223655",
language = "English",
volume = "10",
pages = "781--785",
journal = "IEEE Geoscience and Remote Sensing Letters",
issn = "1545-598X",
publisher = "Institute of Electrical and Electronics Engineers (IEEE)",
number = "4",

}

RIS

TY - JOUR

T1 - Point Spread Function Analysis for BSAR With GNSS Transmitters and Long Dwell Times

T2 - Theory and Experimental Confirmation

AU - Liu, F.

AU - Antoniou, M.

AU - Zeng, Z.

AU - Cherniakov, M.

N1 - Copyright 2012 Elsevier B.V., All rights reserved.

PY - 2012/12/4

Y1 - 2012/12/4

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.

KW - Asymmetric bistatic synthetic aperture radar (BSAR) systems

KW - Generalized ambiguity function (GAF)

KW - Long integration time

KW - Point spread function (PSF) analysis

U2 - 10.1109/LGRS.2012.2223655

DO - 10.1109/LGRS.2012.2223655

M3 - Article

AN - SCOPUS:84884155517

VL - 10

SP - 781

EP - 785

JO - IEEE Geoscience and Remote Sensing Letters

JF - IEEE Geoscience and Remote Sensing Letters

SN - 1545-598X

IS - 4

ER -