艏向上 的英文怎麼說
中文拼音 [xiàngshàng]
艏向上
英文
head up
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艏 :
名詞（船的前端或前部） stem; bow
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上 :
上名詞[語言學] （指上聲） falling-rising tone
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This ferry has a raked forecastle, single deck and double bottom. six meter long x five meter wide steel ramps one each are arranged on bow and stern for cars roll - on roll - off longitudinally
本船具有前傾
艏樓單層甲板雙底，在
艏艉部均設有6米長5米寬的鋼質跳板，作為汽車
上落通道，汽車可以首尾縱
向上落碼頭。
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The content of the thesis include many scientific fields, such as nautical mathematics, apparatus, ship navigate, communication, artificial intelligence, computer graphic, graphic management and so on. the function of route planning and advanced navigation in the system is based on electronic nautical chart. it bring forward the grid model in route planning, during the course of route planning, it provide ways to settle all kinds of instance ; it figures out the best head bearing of the ship with the real time transfer data from navigation apparatus to the system, accomplish the advanced navigation function in ecdis
該系統是在電子海圖基礎平臺
上來完成航線設計和最優航法功能的，提出了在電子海圖中利用網格模型來進行航線設計的方法，在求取最優航線的過程中，全面綜合地考慮了各種可能出現的情況，並逐一解決；最優航行方法中採用實時獲取船舶導航儀器傳入到系統中的數據，並根據這些數據進行計算，給出船舶當前最佳船
艏向，實現基於電子海圖顯示與信息系統的最優航法。
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Using 2 - d strip method and the high - speed slender body theory, the heaving motion responses in regular wave of ship with combined appendage are computed. the results are compared with the results of naked ship hull, and the anti - pitching effect of combined appendage is validated. a method of optimizing the seakeeping is provided from the aspect of the ship hull
因此本文針對船舶耐波性能的優化，提出了一種減縱搖組合附體，將半潛
艏和
艏鰭安裝在常規單體船
上，初步闡述了半潛
艏和
艏鰭的水動力作用機理，並按照二維切片法和高速細長體理論計算了加裝組合附體后，船舶在規則波中的垂
向穩態運動響應，與裸船體的結果進行了比較，驗證組合附體的減搖效果，從船體本身出發提供了?種優化船舶耐波性的方法； 3
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When keeping mfh, the force acting on the vessel in the sway direction is lest, this will be of great importance for saving on energy. a technique of searching for mfh based on fuzzy logic is brought up, which adjusts the heading according to the lateral movement of the vessel
由於在最優艏向上橫向受力最小，對于節省側推功率具有很重要的意義，所以本文又提出了一種基於模糊邏輯的、根據橫向運動進行的自動艏向尋優方法。
