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The additional estimation error introduced by the use of finite ground planes is evaluated numerically for two types of conventional direction finding (DF) systems. The analysis reveals that commonly accepted ground plane dimensions result in degraded estimation accuracy when the incoming signals are of unknown polarization.
Tactical ground-based electronic warfare systems have conflicting requirements for wide frequency coverage, good sensitivity and direction finding accuracy, and small size and weight. An experimental multi-band direction finding (DF) antenna was developed to investigate the feasibility of constructing a compact lightweight antenna array by superposing three sub-arrays in the same plane. Experimental...
Direction finding (DF) techniques based on a circular array of monopoles or dipoles have the advantage of being able to provide unambiguous direction of arrival (DOA) estimates over 360 degrees. Of the various implementation approaches that are possible, the Adcock direction finder (ADF) is commonly used at UHF and lower frequency ranges. One of the physical constraints is that the diameter of the...
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