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A system's phase center (PC) is an equivalent point behaving like an ideal, isotropic radiator from which spherical waves emanate. Ideally, the phase on a spherical surface in the far field of this point is constant. Determining the PC of an antenna system is a very challenging task important for many different applications like electromagnetic compatibility (EMC) testing, GPS or radar navigation...
Accurately setting up antenna measurement procedures and maintaining good performance of radar navigation systems are two examples of tasks relying on precise knowledge of the phase center (PC) location. Currently this problem is discussed particularly in 3 m-electromagnetic compatibility (EMC) field emission measurement, when an exact distance between test antenna and the equipment under test (EUT)...
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