FAST IMAGING IN GROUND-BASED CIRCULAR STRIP-MAP SYNTHETIC APERTURE RADAR

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SAMAREH HASHEMI S.R.; SEYEDIN S.A.R.

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Journal Paper

Paper Information

Journal: JOURNAL OF RADAR Year:2015 | Volume:3 | Issue:1 (SERIAL NO. 7) Page(s): 57-72

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Information Journal Paper

Title

FAST IMAGING IN GROUND-BASED CIRCULAR STRIP-MAP SYNTHETIC APERTURE RADAR

Author(s)

SAMAREH HASHEMI S.R. | SEYEDIN S.A.R. | Issue Writer Certificate

Keywords

SYNTHETIC APERTURE RADAR (SAR)Q2

CIRCULAR SYNTHETIC APERTURE RADAR (CSAR)Q2

FREQUENCY DOMAIN IMAGING ALGORITHMQ2

PHASE ERRORQ2

Abstract

Due to difference between azimuth phase history and range migration model in circular strip-map synthetic aperture radar and linear SAR, imaging algorithms of linear system are not valid in circular system. In this article using a range approximation in a ground-based circular strip-map SAR, the signal model at 2-D frequency domain is extracted and due to stability of path and speed of antenna, a FREQUENCY DOMAIN IMAGING ALGORITHM is suggested based on extracted model that despite of accuracy has a high speed. Simulations verify the accuracy of suggested algorithm at image formation in polar coordinates. It is shown that for targets with ranges near to reference, the processing burden and needed hardware can be reduced by omitting a phase correction step. Finally the location of these targets is extracted as “fast imaging region” according to the geometry and parameters of the system.

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APA: Copy

SAMAREH HASHEMI, S.R., & SEYEDIN, S.A.R.. (2015). FAST IMAGING IN GROUND-BASED CIRCULAR STRIP-MAP SYNTHETIC APERTURE RADAR. JOURNAL OF RADAR, 3(1 (SERIAL NO. 7)), 57-72. SID. https://sid.ir/paper/244230/en

Vancouver: Copy

SAMAREH HASHEMI S.R., SEYEDIN S.A.R.. FAST IMAGING IN GROUND-BASED CIRCULAR STRIP-MAP SYNTHETIC APERTURE RADAR. JOURNAL OF RADAR[Internet]. 2015;3(1 (SERIAL NO. 7)):57-72. Available from: https://sid.ir/paper/244230/en

IEEE: Copy

S.R. SAMAREH HASHEMI, and S.A.R. SEYEDIN, “FAST IMAGING IN GROUND-BASED CIRCULAR STRIP-MAP SYNTHETIC APERTURE RADAR,” JOURNAL OF RADAR, vol. 3, no. 1 (SERIAL NO. 7), pp. 57–72, 2015, [Online]. Available: https://sid.ir/paper/244230/en

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