Imaging experiment of low frequency ultrawideband bistatic SAR using fixed-receiver configuration

Hongtu Xie; Zhenping Chen; Shiyou Xu; Fuhai Li; Shaoying Shi; Lin Zhang; Hui Xiao; Guoqian Wang

doi:10.1117/12.2503331

9 August 2018 Imaging experiment of low frequency ultrawideband bistatic SAR using fixed-receiver configuration

Hongtu Xie, Zhenping Chen, Shiyou Xu, Fuhai Li, Shaoying Shi, Lin Zhang, Hui Xiao, Guoqian Wang

Proceedings Volume 10806, Tenth International Conference on Digital Image Processing (ICDIP 2018); 108063R (2018) https://doi.org/10.1117/12.2503331
Event: Tenth International Conference on Digital Image Processing (ICDIP 2018), 2018, Shanghai, China

Abstract

Low frequency ultrawideband (LF UWB) bistatic synthetic aperture radar (BSAR) is able to provide the high-resolution BSAR image and obtain more information of the scene. Here, an imaging experiment of the LF UWB BSAR using the fixed-receiver configuration is presented in the paper. In August 2015, based on the monostatic LF UWB SAR system, a LF UWB BSAR imaging experiment was carried out, and the then LF UWB BSAR raw data was collected. This BSAR system has a LF UWB SAR system as the moving transmitter and the other LF UWB radar system as a fixed-receiver. The aim was to investigate the imaging property of the LF UWB BSAR system. One pulse per second (1PPS) signal in combination with the global position system (GPS) disciplined 100MHz oscillator from the GPS receivers were used to implement the time and frequency synchronization in this BSAR system. LF UWB BSAR image was obtained using the fast factorized back projection (FFBP) algorithm integrated with the subaperture-based spectrum equilibrium method. The excellent results are shown to prove the validity of the imaging experiment of the LF UWB BSAR system.

Citation Download Citation

Hongtu Xie, Zhenping Chen, Shiyou Xu, Fuhai Li, Shaoying Shi, Lin Zhang, Hui Xiao, and Guoqian Wang "Imaging experiment of low frequency ultrawideband bistatic SAR using fixed-receiver configuration", Proc. SPIE 10806, Tenth International Conference on Digital Image Processing (ICDIP 2018), 108063R (9 August 2018); https://doi.org/10.1117/12.2503331

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KEYWORDS

Imaging systems

Antennas

Synthetic aperture radar

Global Positioning System

Receivers

Radar

Reflectors

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