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The design, development and testing of the THAAD (Theater High Altitude Area Defense) solid state phased array (formerly ground based radar)
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2002
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EngineeringSensor ArrayEducationSmart AntennaState Phased ArrayElectromagnetic CompatibilityImaging RadarRadar Signal ProcessingInstrumentationRadar SearchComplex Solid StateElectrical EngineeringSynthetic Aperture RadarAntennaPhased ArrayRadar ApplicationArrays DesignRadar ImagingRadarArray ProcessingAerospace EngineeringBeamformingOptoelectronics
This paper describes the Theater High Altitude Area Defense (THAAD) solid state phased arrays design, development and testing. It is the largest most complex solid state phased array built in the world, employing more than 25,000 active radiators each with a corresponding gallium arsenide (GaAs) transmit/receive (T/R) module. The array operates in several aperture illumination modes, is self calibrating in the field, transportable and designed to be "fail soft". The array's performance has been verified on a near-field range and during radar search and track missions of satellites and missiles at White Sands Missile Range (WSMR).