YANG Lei, WANG Tong, BAO Zheng. An Optimization Method of Baseline for Spaceborne ATI-GMTI System[J]. Acta Electronica Sinica, 2009, 37(6): 1175-1179.
DOI:
YANG Lei, WANG Tong, BAO Zheng. An Optimization Method of Baseline for Spaceborne ATI-GMTI System[J]. Acta Electronica Sinica, 2009, 37(6): 1175-1179.DOI:
An Optimization Method of Baseline for Spaceborne ATI-GMTI System
The Spaceborne ATI-GMTI system is made up of several satellites equipped with Synthetic Aperture Radar.The space between satellites must be big enough to acquire high sensitivity and avoid collision.However
the long baseline brings on blind velocity and worsens the GMTI performance.It is an important problem to determinate the length of the along track baseline for an ATI-GMTI system.Basing on splitting the whole aperture into multiple sub-apertures
this paper investigates the design method of optimum velocity response.Firstly
the output signal-to-clutter-plus-noise ratio expression of the system is derived
and then the way of designing optimum velocity response is presented.Finally
computer simulation results validate its effectiveness.