Effects of ducting on radar operation in the Persian Gulf

W. Devereux, J. Van Egmond
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引用次数: 6

Abstract

During the 1988 Iran/Iraq conflict, long-range radars located on ships were used for surveillance of the Persian Gulf. During periods of ducting, their surveillance of the horizon indicated large increases in sea clutter, which occurred far past the normal line-of-sight horizon and at an amplitude level that exceeded the predicted propagation conditions. An explanation based on ray theory is provided for the excess sea clutter. It is shown that an increase in the amount of radar signal scattered by the ocean waves is due to the existence of an evaporation duct and that the propagation range of the sea clutter is increased due to the presence of a surface-based duct. This explanation and certain aspects of the measured data are used to predict the expected sea clutter in a ducting environment and to confirm the theory.<>
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导管对波斯湾雷达运行的影响
在1988年伊朗/伊拉克冲突期间,位于船上的远程雷达被用于监视波斯湾。在引导期间,他们对地平线的监测表明,海杂波大幅增加,这远远超过了正常视距地平线,其振幅水平超过了预测的传播条件。提出了一种基于射线理论的对海杂波过量的解释。结果表明,由于海面上存在蒸发风道,雷达信号被海浪散射量的增加是由于海面上存在蒸发风道,而海杂波的传播范围也由于海面上存在蒸发风道而增加。这种解释和测量数据的某些方面被用来预测管道环境中预期的海杂波并证实理论。
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