IRE Transactions on Military Electronics · 1961 · 135 citations · 0 references
EngineeringAerospace EngineeringSystems EngineeringAntennasRemote SensingRadar AntennasRadar Beam GeometryRadar InstrumentationRadar Signal ProcessingRadar SystemsRange EstimationAntenna ScanningAzimuth OrientationAzimuth ProcessingRadar ImagingRadar SensingRange Resolution
An account is given of the development of the AN/UPD-1 (XPM-1) system. This airborne mapping radar, by synthesizing an extremely long antenna which expands in length in direct proportion to radar range, provides a linear resolution in the azimuth direction that is constant for all radar ranges.