Path: utzoo!news-server.csri.toronto.edu!rpi!zaphod.mps.ohio-state.edu!pacific.mps.ohio-state.edu!linac,att!cbnews!cbnews!military From: patterso@ADS.COM (Tim J. Patterson) Newsgroups: sci.military Subject: Re: ISAR Message-ID: <1991Mar18.135504.20447@cbnews.att.com> Date: 18 Mar 91 13:55:04 GMT References: <1991Mar15.041324.10823@cbnews.att.com> Sender: military@cbnews.att.com (william.b.thacker) Organization: Advanced Decision Systems Lines: 18 Approved: military@att.att.com From: patterso@ADS.COM (Tim J. Patterson) In article <1991Mar15.041324.10823@cbnews.att.com> tek@CS.UCLA.EDU writes: >From: tek@CS.UCLA.EDU >What is Inverse Synthetic Aperture Radar (ISAR) and how does it work? >I know about SAR. In what sense is ISAR the inverse of that? >-ted In general terms while SAR uses the motion of the platform to get samples along the aperture of interest ISAR uses the motion of the object being imaged to be able to obtain more samples to integrate coherently. The two are not direct mathematical inverses but kind of inverse ways of approaching a problem. Tim