MAXIMUN RADAR COVERAGE OF NAVAL AND LOW FLYING TARGETS FOR THE SEA STATE AS A PARAMETER. RADAR PREDICTION OF THE SEA STATE
Abstract
This paper introduces, for naval and low-flying targets, a new approach for the prediction of radar coverage and the optimal selection of its position based on the criterion of maximum coverage of the illuminated sea surface. This method is based on a proposed model for the normalized backward radar cross section of the sea surface, for coastal and nautical radars positioned on the terrain, operating in the X band with horizontal polarization. The antenna height, above sea level, allows the use of Nathansons´s tables for grazing angles between 0,10 and 10. A second method is also proposed, to estimate de sea state by processing the signal at the output of the receiver, using the Nathanson tables. In both cases, the developed algorithms are applied to a simulated terrain for two types of nautical radars, showing the results.
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