| 风向对蒸发波导环境特性影响的研究 |
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| 引用本文： | 蔺发军,王红光,林乐科,倪宏伟.风向对蒸发波导环境特性影响的研究[J].电波科学学报,2007,22(3):410-413. |
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| 作者姓名： | 蔺发军 王红光 林乐科 倪宏伟 |
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| 作者单位： | 中国电波传播研究所,山东,青岛,266071 |
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| 摘 要： | 海上蒸发波导环境特性在具体应用时很少考虑风向的影响.应用伪折射率模式,对我国东海和南海部分近海海域的数据分析表明,在我国近海海域,陆地风(离岸风)和海面风(向岸风)对蒸发波导的环境特性有一定的影响,影响程度随季节和海域的变化而不同.蒸发波导环境与传播试验场地的选择及其试验数据的处理应考虑风向的影响.
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| 关 键 词： | 蒸发波导 环境特性 伪折射率模式 离岸风 向岸风 |
| 文章编号： | 1005-0388（2007）03-0410-04 |
| 收稿时间： | 2005-12-05 |
| 修稿时间： | 2005-12-05 |
Influence of wind direction on characteristics of evaporation duct |
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| LIN Fa-jun,WANG Hong-guang,LIN Le-ke,NI Hong-wei.Influence of wind direction on characteristics of evaporation duct[J].Chinese Journal of Radio Science,2007,22(3):410-413. |
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| Authors: | LIN Fa-jun WANG Hong-guang LIN Le-ke NI Hong-wei |
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| Institution: | China Research Institute of Radiowave Propagation, Qingdao Shandong 266071, China |
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| Abstract: | It is well known that the air-sea temperature difference, humidity and wind velocity are primary factors on characteristics of evaporation duct over the sea surface. However, the wind direction is usually not considered in the specific application of evaporation duct. In this paper, the data of the East sea and the South sea in China has been analyzed utilizing the pseudo-refractivity model. The results show that offshore wind and shoreward wind have different effects on environment characteristics of evaporation duct, and the influencing is variable with the season and the sea area. Hence, the effects of wind direction should be considered, especially, in the site selection of evaporation duct environment and propagation experiment, and test data processing. |
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| Keywords: | evaporation duct environment characteristic pseudo-refractivity model offshore wind shoreward wind |
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