surface duct中文什么意思

surface: n. 1.表面；地面；水面；廣場，空地。 2.外觀，外表 ...
duct: n. 1.管，導管，輸送管；槽，溝，渠道。 2.【無線電 ...
sea-surface duct: 貼海波導
-duct: comb.f. 表示“管道”，“管”：aqueduct, viaduct.
duct: n. 1.管，導管，輸送管；槽，溝，渠道。 2.【無線電】波道；【電學】(電線，電纜等的)管道。 an ejaculatory duct 輸精管。 a lachrymal duct 淚管。

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In order to utilize the atmospheric duct phenomena , and to make the electronic reconnaissance facilities more effective and the status of battlefield more advantageous , on the basis of classification of the atmospheric duct , first the model for evaluating the effective detective zone of electronic reconnaissance facility is established , then the numerical value simulation method of electromagnetic wave propagation under the condition of surface duct calculated with parabolic equation and fourier arithmetic is presented , and finally the influences of atmospheric duct on electronic reconnaissance facility is analyzed
為充分利用大氣波導條件，發(fā)揮電子偵察設備效能，使戰(zhàn)場態(tài)勢向有利于己方方向轉化，在介紹大氣波導分類的基礎上，建立評估電子偵察設備的有效探測區(qū)的模型，給出用拋物線方程及其分布傅里葉算法計算電磁波在表面波導條件下傳播的數(shù)值模擬方法，并分析了大氣波導對電子偵察設備的影響情況。

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