Boresight error (BSE), defined as the angular deviation between the true position and apparent position of a target as indicated by a radar, is a very important figure of merit for a tracking radar. Hence, the ability to accurately predict BSE in the design phase of new radar systems or to impact modifications of existing systems is imperative. This paper details a thorough and comprehensive research effort conducted on BSE prediction using a "system" concept. An integrated monopulse tracking "system" consisting of radome, aperture, and receiver/processor components was considered for analysis and modeling because it possesses superior angle tracking capability and it used in a majority of modern radar systems.
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