Space-time processing for clutter rejection under jamming condition

Abstract

The two-dimensional filtering approach often referred to as space-time processing, (STP) has been the subject of considerable research interest over the past two decades. The space-time processing (STP) is a crucial technique for the new generation airborne radar with high air-toground performance. Slowly moving ground targets produce a reflected signals which could not be distinguish from the surrounding clutter reflections, The results in either space processing, (adaptive array) or temporal processing, (MTI) will be miss detection of the desired target which has Doppler frequency and angle of arrival near to that ones of the clutter. Moreover ground based jammers could produce a wide frequency spread jamming signal with relatively high power to confuse airborne radars. However STP could significantly reduces the effects of both the clutter and jammers.