Investigation on Parabolic Cylinder Reflector Based MIMO SAR

YE Kai; YU Weidong; XU Wei; WANG Wei

doi:10.11999/JEIT171105

Volume 40 Issue 8

Aug. 2018

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YE Kai, YU Weidong, XU Wei, WANG Wei. Investigation on Parabolic Cylinder Reflector Based MIMO SAR[J]. Journal of Electronics & Information Technology, 2018, 40(8): 1816-1822. doi: 10.11999/JEIT171105

Citation:

YE Kai, YU Weidong, XU Wei, WANG Wei. Investigation on Parabolic Cylinder Reflector Based MIMO SAR[J]. Journal of Electronics & Information Technology, 2018, 40(8): 1816-1822. doi: 10.11999/JEIT171105

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Investigation on Parabolic Cylinder Reflector Based MIMO SAR

doi: 10.11999/JEIT171105

YE Kai^{*①②禹卫东},
YU Weidong,
XU Wei¹,
WANG Wei¹

(Institute of Electronics, Chinese Academy of Sciences, Beijing 100190, China)

Funds:

The National Key Research and Development Project (2017YFB0502700), The National Natural Science Foundation of China (61701479)

Received Date: 2017-11-24
Rev Recd Date: 2018-04-13
Publish Date: 2018-08-19

Abstract

Abstract

To realize the high-resolution wide-swath mapping capability of spaceborne SAR, this paper presents a parabolic cylinder reflector based MIMO SAR system. According to the analysis of system configuration and Short-Term Shift-Orthogonal (STSO) transmitting waveforms, the specific processing method are elaborated. Taking advantage of parabolic characteristics in elevation, the narrow beams with high gain can be easily realized by the parabolic cylinder reflector. This facilitates the efficient separation of STSO transmitting waveforms by using the digital beam-forming technique, therefore, more azimuth equivalent phase centers can be obtained. After the multichannel reconstruction processing in azimuth, the echo signals from illuminated scene can be imaged by conventional imaging algorithms. The simulation results show that, the proposed system has satisfactory performance for MIMO SAR imaging.
- SAR,
- MIMO,
- Parabolic cylinder reflector,
- Digital BeamForming (DBF)

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References(22)

References

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