蒸发波导测量仪器的精度分析与检验

doi:10.3969/j.issn.1001-2400.2012.04.034

Abstract

Abstract:

The over-the-horizon detection based on the evaporation duct is one of the current research hotspots in the radar field and the most effective means for enlarging the detection range of the ship radar as well. Obtaining the precise evaporation duct parameter is the key to measuring the atmospheric refractivity accurately. By analyzing the accuracy of atmospheric refractivity obtained by both the frequently-used meteorological instrument and the self-developed microwave refractometer and comparing the actual measurement values achieved by both instruments simultaneously, it is proved that the meteorological instrument cannot measure the real-time fine structure of atmospheric refractivity and can cause a big error. The application of the microwave refractometer with the sensing atmospheric medium can help to measure the real-time fine structure of atmospheric refractivity faster and more precisely. So the microwave refractometer is the current proper instrument to measure the evaporation duct profile precisely.

Key words: radar, over-the-horizon, evaporation duct, refractometer, meteorological instrument

CLC Number:

TN011

ZHANG Aili;WANG Yanjun;ZHANG Yu. Test and analysis of accuracy of the evaporation duct measuring instrument[J].J4, 2012, 39(4): 191-196.

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Test and analysis of accuracy of the evaporation duct measuring instrument

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