Smart antennas for space-borne synthetic aperture radars

F. Qin; S. Gao; C. Mao; Z. Wang; A. Patyuchenko; M. Younis; G. Krieger

doi:10.1007/s00339-015-9125-0

Smart antennas for space-borne synthetic aperture radars

F. Qin^*
, S. Gao
, C. Mao
, Z. Wang
, A. Patyuchenko
, M. Younis
, G. Krieger

^*Corresponding author for this work

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

Abstract

This paper discusses smart antennas for space-borne synthetic aperture radar (SAR). First, some recent development in smart antennas for space-borne SAR is reviewed. Then, the paper presents a low-cost space-borne SAR system using digital beam forming on receive. The smart antenna system is also discussed, and some results are shown. The antenna system, consisting of a parabolic reflector and multi-feed array, is designed and optimized for dual-band dual-polarized digital beam-forming performance. The operating frequencies are at X and Ka bands with the center frequency of 9.6 and 35.75 GHz, respectively. The stacked dipoles and square patches with parasitic elements are employed as the feed elements at X and Ka bands. Dual-band antenna arrays are combined in the same aperture, which not only reduce the aperture of the feed array, but also coincide the center of dual-band feed arrays.

Original language	English
Pages (from-to)	1045-1051
Number of pages	7
Journal	Applied Physics A: Materials Science and Processing
Volume	121
Issue number	3
DOIs	https://doi.org/10.1007/s00339-015-9125-0
State	Published - 29 Mar 2015
Externally published	Yes

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title = "Smart antennas for space-borne synthetic aperture radars",

abstract = "This paper discusses smart antennas for space-borne synthetic aperture radar (SAR). First, some recent development in smart antennas for space-borne SAR is reviewed. Then, the paper presents a low-cost space-borne SAR system using digital beam forming on receive. The smart antenna system is also discussed, and some results are shown. The antenna system, consisting of a parabolic reflector and multi-feed array, is designed and optimized for dual-band dual-polarized digital beam-forming performance. The operating frequencies are at X and Ka bands with the center frequency of 9.6 and 35.75 GHz, respectively. The stacked dipoles and square patches with parasitic elements are employed as the feed elements at X and Ka bands. Dual-band antenna arrays are combined in the same aperture, which not only reduce the aperture of the feed array, but also coincide the center of dual-band feed arrays.",

author = "F. Qin and S. Gao and C. Mao and Z. Wang and A. Patyuchenko and M. Younis and G. Krieger",

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doi = "10.1007/s00339-015-9125-0",

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AU - Qin, F.

AU - Gao, S.

AU - Mao, C.

AU - Wang, Z.

AU - Patyuchenko, A.

AU - Younis, M.

AU - Krieger, G.

PY - 2015/3/29

Y1 - 2015/3/29

N2 - This paper discusses smart antennas for space-borne synthetic aperture radar (SAR). First, some recent development in smart antennas for space-borne SAR is reviewed. Then, the paper presents a low-cost space-borne SAR system using digital beam forming on receive. The smart antenna system is also discussed, and some results are shown. The antenna system, consisting of a parabolic reflector and multi-feed array, is designed and optimized for dual-band dual-polarized digital beam-forming performance. The operating frequencies are at X and Ka bands with the center frequency of 9.6 and 35.75 GHz, respectively. The stacked dipoles and square patches with parasitic elements are employed as the feed elements at X and Ka bands. Dual-band antenna arrays are combined in the same aperture, which not only reduce the aperture of the feed array, but also coincide the center of dual-band feed arrays.

AB - This paper discusses smart antennas for space-borne synthetic aperture radar (SAR). First, some recent development in smart antennas for space-borne SAR is reviewed. Then, the paper presents a low-cost space-borne SAR system using digital beam forming on receive. The smart antenna system is also discussed, and some results are shown. The antenna system, consisting of a parabolic reflector and multi-feed array, is designed and optimized for dual-band dual-polarized digital beam-forming performance. The operating frequencies are at X and Ka bands with the center frequency of 9.6 and 35.75 GHz, respectively. The stacked dipoles and square patches with parasitic elements are employed as the feed elements at X and Ka bands. Dual-band antenna arrays are combined in the same aperture, which not only reduce the aperture of the feed array, but also coincide the center of dual-band feed arrays.

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Smart antennas for space-borne synthetic aperture radars

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