navigation conditions 中文意思是什麼
navigation conditions
解釋
航行條件- navigation : n. 1. 航行；導航；領航；航海[航空]術。2. 〈集合詞〉船。3. 〈古語〉航路；海上交通。adj. -al
- conditions : （旅遊合同中）條件或服務項目
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In order to attain high accuracy of gps satellite navigation, positioning and low cost in precision agriculture, it is studied a method of gps pseudo - range observation and carrier phase measurement to combine the actual conditions of agriculture. it is presented a method of high accuracy positioning and measure based on gps oem board in this paper, and proved the feasibility of key technology with emulations and field tests
為了適應精準農業高精度、低成本的gps定位導航應用要求，本文通過對gps偽距和載波相位定位方法的研究，結合精準農業的實際情況，提出了基於gpsoem板的高精度定位與測量方法，並用模擬和田間試驗驗證了各關鍵技術的可行性。 -
Influence of peak regulation of tgp hydropower station during flood period on navigation conditions
三峽電站汛期調峰對通航影響的研究 -
The positive is that as a substitute of old channel or a part of the new channel shiplock maintains the continuation of channel and makes possible the channel free from navigational obstruction and waterway transportation progress. the negative is that shiplock at the same time brings some problems to waterway transportation, such as the long time passing through shiplock, the piling up of vessels, making less other ' s benefits and making more other ' s costs, making conditions and forms of transportation change, making more complicated the waterway transportation safety management and navigation order keeping, and adding up transportation costs
在經濟學意義上，船閘具有正負外部性，正的外部性為，船閘作為原航道的替代物或新航道的一部分，保證了航道的連續性，為保證航道暢通、航運發展提供了可能；負的外部性為，船閘同時給航運帶來了一些問題，如船舶過閘時間長、船舶積壓，引起他人效用的減少和成本增加，以及運輸組織條件、方式改變，使水上交通安全管理和船舶航行秩序維護更加復雜，增加運輸成本。 -
Before the construction of bridge over navigable rivers, esp. on the reach of complicated topographical and flow conditions, factors such as bed evolution, bridge site ' s choice, clearance dimensions, navigation condition and safety - ensuring measures, etc. shall be studied
摘要在通航河流，尤其是在橋區地形、水流條件復雜河段處進行橋梁建設前，必須對河床演變、橋位、凈空尺度、通航條件和安全保障等因素進行論證。 -
But, because the navigation safety is affected by many factors such as the eligibility of crew, vessel ' s conditions, nature conditions, traffic conditions, ship - shore management level etc, so vessels in distress ( or maritime disaster accidents ) are difficult to be avoided
但是，由於船舶的航行安全受到船員的適任性、船舶條件、自然條件、交通條件和船岸管理水平等諸多因素的影響，船舶遇險（或稱海難事故）仍難以避免。 -
( 3 ) comparing the diff9rent social conditions between the years in which immunity of navigation negiect appeared and the recent years. ln 19th century the navigationai techniques were undeveloped, once the ship left the dock, the ship owner could not control the ship and his crew effectiveiy and often the ship never came back because of great sea periis. w8 ail know the reason an employer shaii be responsibie for his employee ' s fau
國際上早在五、六十年代就已注意到航海過失免責的經濟基礎不復存在，主張廢除航海過失免責的呼聲漸高，在一些代表貨主利益的內陸國家的努力下，於1978年3月引日在德國漢堡舉行的由78個國家參加的全權代表大會上，通過了否定航海過失免責的《聯合國海上貨物運輸公約》 ，簡稱《漢堡公約》 。 -
The third chapter, by the given handling area in the vlcc anchorage in the port guangzhou, analyses the anchoring methods with the theory of navigation and the mathematic model, lists the different methods in the different sea conditions and forward how to avoid dragging
第3章是結合廣州港大型油輪錨地過駁的水域條件，運用操船理論和數理方法對卸油船錨地雙舷過駁的拋錨方法進行了分析研究，提出了在不同海況條件下的拋錨優化方案，闡明了防止走錨的一般措施和關鍵措施。 -
In the end, it analyzes the economy of the cooling system, pointing to variable operation conditions in which the ship runs, because the span of the shipping navigation area is great. this supplies the demonstration and convenience for engineer manager in the operation and management of cooling system
最後針對于船舶航行的航區跨度大等特點，對冷卻系統變工況運行的經濟性進行了研究，從而為輪機管理人員在冷卻系統的運行管理過程中提供了一些依據和便利。 -
Abstract : based on the results of hydraulic model test and remote - control ship model, the unsteady flow characteristics in the downstream approach channel and the reaches from three gorges project to gezhouba project and navigation conditions in these reaches during the tgp flood - discharge are analyzed. the measures of raising navigation discharge level and improving navigation conditions are given
文摘:根據水工模型試驗成果，分析了三峽工程泄洪時壩下游引航道和兩壩間河段（三峽至葛洲壩）的非恆定波流運動特性，結合遙控自航船模試驗對兩壩間的通航水流條件進行了分析評價，並提出了提高通航流量標準、改善通航條件的相應措施。 -
In light of the special natural conditions and project layout characteristics of xiangjiaba hydropower station, a stage diversion scheme with the left bank being closed at the first stage and the right bank closed at the second stage has been selected through comparison of several schemes under the consideration of the aspects such as construction layout, late - stage flood control, navigation during the construction, and the construction period before the commissioning of the first hydropower generating unit
摘要針對向家壩水電站特殊的自然條件和工程布置特點，其施工導流經過對多個方案進行比較，從施工布置、後期度汛、施工期通航、發電工期等方面考慮，選擇了第一期圍左岸、第二期圍右岸的分期導流方案。 -
Use the magnetic vector for the observation information, the paper estimate the location and rate of the satellite, analysis of simulation results and the sources of error. to further enhance navigation accuracy, the paper study the unscented kalman filter, compare with the extend kalman filter. in the same initial conditions of the extend kalman filter, we do the simulation
其次，基於磁環境模擬系統的測量數據，本文研究了擴展卡爾曼濾波演算法，建立了衛星的運動學和動力學方程，以地磁場矢量為觀測信息，對衛星位置速度進行了估計，並分析了模擬結果及誤差來源，為了進一步提高導航精度，本文又研究了unscented卡爾曼濾波演算法，給出了原理及步驟，並與擴展卡爾曼濾波進行了比較分析。 -
According to related standards, this paper puts forward the studying principle and method for navigation conditions of bridges
結合相關規范，提出了確定橋梁通航論證的方法。 -
The system has a satisfactory variety of functions, strong adaptability, and is easy to use. another system is also developed for supervision and decision - making of ship navigation. the system can analyze navigation conditions, select and check navigation route based on data from physical and mathematical models
該系統應用物理模型和數學模型的計算結果，結合形象、直觀的圖形顯示，能方便地對河道的航行條件進行分析，並能進行航線的選擇和檢驗；通過設定多個參數的大小，能進行各種不同的航行演示，滿足實際的需要。 -
Based on the river regime of tgp dam area and the arrangement of upper and lower access channels, the experimental research on the influence of such unsteady flow on the navigation, the evaluation of navigable conditions under the unsteady flow and the study of corresponding improvement measures are presented in this paper
本文結合壩區河勢特點及上下游引航道布置，試驗研究了大壩泄洪及船閘充泄水非恆定流對上、下引航道通航影響，同時進行了非恆定流通航條件評價及改善措施研究。 -
Three group experiments are conducted under the different conditions, and the results validate the analysis about getting navigation parameters directly
針對不同情況做了三組實驗，結果肯定了本文中分析的正確性。 -
But currently a huge amount of sediment deposited there has caused severe problems and need to be dredged. dredging is one of the effective engineering measures to control floods and improve navigation, irrigation conditions and environment
但是，目前這些河流、湖泊、水庫和港口的泥沙淤積嚴重，需要進行清淤疏浚，以提高防洪、灌溉、通航能力，改善生態環境。 -
This paper conducts simulation experimental research on channel navigation area using large - scale ships operation simulator, including the ships ' danger under different wind, wave and flow conditions and safety appraisal result, time needed for entering and leaving port, and recommends the reasonable width of waterway, so as to provide reliable basis for engineering structural design and working - out of ships - operation regulations
摘要利用大型船舶操縱模擬器對航道航行水域進行模擬試驗研究，包括不同風、浪、流等環境下操船危險度及安全評價結果，進、出港所需時間，並推薦航道的合理寬度，為工程結構設計和操船規程的制定提供可靠依據。 -
Finally, based on the observability analysis and error analysis, two autonomous navigation schemes for encounter phase are respectively proposed in detail. monte carlo simulations are done for the two schemes. by analyzing and comparing the simulation results, we can get the conclusion that, under the accuracy conditions provided by the instruments in existence, the position estimation accuracy for probe encountering object celestial body is 0. 42km and 0. 04km, which demonstrate the feasibility of the two navigation schemes
最後，在可觀性分析和誤差分析的基礎上，分別給出基於圖像測量的自主導航方法和基於視線方向及夾角測量的自主導航方法，並對這兩種方法進行蒙特卡羅數值模擬，通過對模擬結果的分析和比較，在現有儀器的測量精度下，探測器在與目標天體交會時刻的位置估計精度分別是0 . 42km和0 . 04km ，由此表明兩種自主導航方案都是可行的。
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