A new MIMO SAR system based on Alamouti space-time coding scheme and OFDM-LFM waveform design

Xiaojin Shi; Yunhua Zhang

doi:10.1117/12.2192543

15 October 2015 A new MIMO SAR system based on Alamouti space-time coding scheme and OFDM-LFM waveform design

Xiaojin Shi, Yunhua Zhang

Proceedings Volume 9642, SAR Image Analysis, Modeling, and Techniques XV; 96420P (2015) https://doi.org/10.1117/12.2192543
Event: SPIE Remote Sensing, 2015, Toulouse, France

Abstract

In recent years, multi-input and multi-output (MIMO) radar has attracted much attention of many researchers and institutions. MIMO radar transmits multiple signals, and receives the backscattered signals reflected from the targets. In contrast with conventional phased array radar and SAR system, MIMO radar system has significant potential advantages for achieving higher system SNR, more accurate parameter estimation, or high resolution of radar image. In this paper, we propose a new MIMO SAR system based on Alamouti space-time coding scheme and orthogonal frequency division multiplexing linearly frequency modulated (OFDM-LFM) for obtaining higher system signal-to-noise ratio (SNR) and better range resolution of SAR image.

Citation Download Citation

Xiaojin Shi and Yunhua Zhang "A new MIMO SAR system based on Alamouti space-time coding scheme and OFDM-LFM waveform design", Proc. SPIE 9642, SAR Image Analysis, Modeling, and Techniques XV, 96420P (15 October 2015); https://doi.org/10.1117/12.2192543

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