<p>A satellite position system with a plurality of satellites transmitting spread spectrum signals to a satellite position system receiver that is able to determine location using three spread spectrum signals and a polynomial surface fit to digital altitude data that approximates the altitude of the satellite position system receiver.</p>
申请公布号
WO2005012940(A1)
申请公布日期
2005.02.10
申请号
WO2004US24467
申请日期
2004.07.28
申请人
SIRF TECHNOLOGY, INC.;PHATAK, MAKARAND;COX, GEOFFREY, F.;GARIN, LIONEL, J.
发明人
PHATAK, MAKARAND;COX, GEOFFREY, F.;GARIN, LIONEL, J.
