Title :
Spaceborne SAR raw signal simulation of ocean scene
Author :
He, Zhihua ; Dong, Zhen ; Huang, Haifeng ; Yu, Anxi
Author_Institution :
Nat. Univ. of Defense Technol., Changsha
Abstract :
According to fractal ocean surface model, electromagnetic scattering model under Kirchhoff approximation and the raw signal simulation procedure of dynamic scene based on time domain, spaceborne synthetic aperture radar (SAR) raw signal of ocean scene is generated. The SAR images obtained from the echo of both simple cosine wave and complex fractal ocean surface are in accordance with the tilt modulation and the velocity bunching theoretically, and also with the statistical properties of real ocean SAR images, which validate the simulation procedure. The raw signal could be the input data of studying along-track InSAR (ATI) for ocean current measurements.
Keywords :
marine radar; ocean waves; synthetic aperture radar; Along-Track InSAR; Kirchhoff Approximation; cosine wave echo; electromagnetic scattering model; fractal ocean surface echo; ocean Synthetic Aperture Radar images; ocean current measurements; ocean scene; spaceborne SAR raw signal simulation; statistical properties; tilt modulation; velocity bunching; Electromagnetic modeling; Electromagnetic scattering; Fractals; Kirchhoff´s Law; Layout; Oceans; Sea surface; Signal generators; Spaceborne radar; Synthetic aperture radar; fractal ocean surface model; ocean scattering model; raw signal simulation; spaceborne SAR;
Conference_Titel :
Geoscience and Remote Sensing Symposium, 2007. IGARSS 2007. IEEE International
Conference_Location :
Barcelona
Print_ISBN :
978-1-4244-1211-2
Electronic_ISBN :
978-1-4244-1212-9
DOI :
10.1109/IGARSS.2007.4422844
