航道測量 的英文怎麼說

中文拼音 [hángdàoliáng]
航道測量 英文
channel survey
  • : Ⅰ名詞(船) boat; shipⅡ動詞(航行) navigate (by water or air); sail
  • : Ⅰ名詞(道路) road; way; route; path 2 (水流通過的途徑) channel; course 3 (方向; 方法; 道理) ...
  • : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  • 航道 : channel; lane; course; passage; fairway
  • 測量 : measure; survey; gauge; meter; measurement; measuring; surveying; mensuration; metering; gauging;...
  1. In the stage of the sun and the moon in sight, azimuth of the sun, the earth and the moon in the spacecraft body coordinate system is simulated. combining the simulated azimuth with the ephemeris of the sun and the moon, the state equation and observation equation are modeled. the initial orbital parameters calculated by least square method are used in orbit state equation to predict spacecraft state and to realize autonomous navigation

    在日月可見階段,模擬日、地、月敏感器信息,即日、地、月在天器本體坐標系下的方位信息,結合日月星歷,建立狀態方程及觀方程,通過最小二乘法得到歷元時刻的軌狀態初始值,將其代入軌狀態方程進行自主導
  2. Thirdly, an ideal satellite orbit is simulated, and on this foundation, we establish some typical simulation and testing circumstances. lastly, after simulation in the simulation and testing circumstances, we compare the performance of ukf and ekf. and then, based on the outdoor experiment of the vehicle, an analysis and contrast between our simulation results and commercial data process software is carried out, and the conclusion is obtained

    首先在第三章提出的目標運動模型的基礎上建立了系統狀態方程;其次簡要分析了衛星導系統中的各類誤差,建立了基於偽距觀的系統觀模型;第四節利用yuma格式歷書數據模擬了未受攝動影響的衛星軌,並在此基礎上建立了幾種典型的動態模擬試環境;第五節為模擬分析和比較,先對ukf演算法和ekf演算法在動態模擬試環境中進行了模擬比較,然後針對外場試驗,對非線性濾波獲得的定位結果與商業軟體進行了分析比較,並得出結論。
  3. The verification results show that the model can simulate well the tidal levels, current velocities, sediment concentration, bed load transport, diversion ratio in the bifurcation section, topographic change of the north and south channels, as well as sudden siltation caused by typhoons

    資料驗證表明,該數學模型可以較好地模擬長江口地區的潮位、流速、流向、含沙、底沙、分流比、南北槽地形變化和臺風暴潮造成的驟淤情況。
  4. Application of gps - rtk bathymetric survey technique without tidal observation in yangtze estuary channel regulation project

    無驗潮水深技術在長江口治理工程中的應用
  5. It is proposed that the fixed capacity investment and cargo discharge regression forecasting model and the optimal average information customer distribution model can be used to predict the cargo o - d distribution. the capacity limitation dynamic increment comprehensive network model can be applied to the prediction of the channel cargo transportation discharge and the turnover discharge in the main courses. the main courses network plan grade can be verified by the total cost method, and according to which the economic rationality of constructing different grade channels can be evaluated

    本文開展了平原水網地區網規劃方法的研究,提出了採用固定資產投資完成額與貨運回歸預模型;平均信息用戶最優分佈模型預貨物o - d的分佈;容限制動態增綜合網路配流模型預干線貨物運輸和周轉;採用總費用法論證干線網規劃等級,據此評定建設不同等級的經濟合理性。
  6. The research on autonomous navigation and orbital keeping technology of geosynchronous satellites : selecting position vector in the inertia space and longitude, latitude, radial errors in the hill equation as state variables, the precision of orbit determination caused by track dynamic model error, sampling period, and sensor measurement and install error is analyzed

    同步衛星自主導與軌保持技術研究:分別選取慣性空間位置矢和採用hill方程表示的經、緯、向徑誤差作為狀態,分析軌動力學模型誤差、采樣周期以及敏感器、安裝等誤差對定軌精度的影響。
  7. United states navy hydrographic office

    美國海軍航道測量局美國海軍水
  8. The paper analyzes the distinct status of various types of electronic chart fitted onboard in comparison with the requirements of electronic chart by solas, and brings forward some suggestions to deal with this situation for maritime regulators, shipping companies and training institutes

    摘要結合solas公約時電子海圖的要求,對電子海圖顯示與信息系統進行確切定義,分析了目前船舶配備的各類電于海圖系統的不同地位,提出我國海事部門、水部門、運企業、培訓機構應對電子海圖配備及早採取措施。
  9. Due to issues of dongting lake districts flood composition, the evolution of sediment flow, the river and lake ( r & l ) distribution characteristic as well as the layout of r & l - dredging engineering, the article simulated the model of the dongting lake terrain change by using the gis technology and adopted the limited volumetric method to establish the two - dimensional hydraulics computation model of lake in order to forecast the water level, the flow capacity, the speed of flow and changes of flow field after implemented the project, which have provided the reliable theoretic basis for the decision - making and implementation of renovation for river course, canal and harbor and river course - dredging engineering

    摘要針對洞庭湖區的洪水組成、水流泥沙演變、河湖泊水系分佈特點以及河湖泊疏浚工程布局情況,利用gis技術模擬洞庭湖地形變化,採用有限體積法建立了湖泊二維水力學計算模型預疏浚工程實施后的水位、流、流速流場變化,為河港口整治、河疏浚清淤等工程決策與實施提供了可靠理論依據。
  10. Taking intercontinental ballistic missiles as objects under research, and based on the analysis of the influence of accelerometer measurement error and gyroscope excursion error on the apparent acceleration, the error transfer model of the inertial system in a midcourse guidance segment for velocity and location is given, and the pure inertial navigation guidance error is computed with the given imu error coefficient deviations

    摘要針對洲際彈導彈,在分析加速度計誤差和陀螺漂移誤差對導彈視加速度影響的基礎上,給出了中制導段慣性系統對速度和位置的誤差傳遞模型,對給定的慣組誤差系數偏差進行了純慣性導制導誤差計算。
  11. General information on anchorages, moorings and fairways in the water areas in the vicinity of wkcd can be found in the nautical charts published by the hydrographic office of marine department, no. hk 0802 ( harbour - central part )

    有關西九龍文娛藝術區附近海域的碇泊區、系泊區及的一般資料,可在海事處海部所繪制的海圖編號hk0802 (海港中部)找到。
  12. But websites that try to offer british tide data have been told by the uk hydrographic office they must pay for it - a cost most are unwilling to endure

    但想要提供英國海潮資料的網站被英國航道測量事務所告知必須付錢,讓人望之卻步。
  13. It can be used in sea - route measurement, terrain mapping, underwater archeology, salvage and oil industry etc. it is useful to improve mine ' s identify probability, too

    它可用於航道測量、地形地貌繪、水下考古、打撈和石油工業等。此外對于提高水雷的識別概率也有益處。
  14. Besides os, with its vast and valuable map data, there are the uk hydrographic office ( which collects tidal and naval navigational data ), the highways agency ( which collects traffic data ) and even the european centre for medium range weather forecasting

    除了坐擁大地圖珍貴資料的全國地形局,還有收集潮汐和船隻行資料的英國航道測量事務所,收及交通資料的高速公路局,甚至歐洲中期氣象預中心。
  15. It realized the effective manage of the geographical information and chart what were nessary for the survey about the port and sea - route and what produced by the survey. it would impose the automatizatjon level of data collection and menagement, and increase the effect of information on share

    實現了港口航道測量中需要的和生產的各種地理信息及海圖圖檔的有效管理,提高數據採集和處理的自動化水平和信息共享的效果。
  16. In this paper, the waterway curve plane function is established with move fit method to calculate the depth value of grid points, and in part fields linear method is adopted because of the distributing scrambling of waterway measure points. as a result of the use of two methods, not only the calculating precision is high but also the calculating speed is very fast

    本文選用移動擬合法建立曲面函數,插值計算航道測量區網格點的深度值,並且根據航道測量點分佈的不規則性進行了優化,即在點稀少的地方運用了線形內插法代替移動擬合法來進行插值計算,兩種插值方法的合理結合,不僅保證了插值的精度,特別是提高了插值的計算速度。
  17. The broad application of gps technique in survey, vessel positioning, and real - time monitoring of yamen 5000 dwt seaward waterway dredging engineering is discussed

    摘要就崖門5000t級出海疏浚工程在、船舶定位、實時監控等工作中gps定位技術的廣泛應用進行探討。
  18. Chapter two ascertains main technological factor of dong gou lock reconstructing, including forecast the cargo and volume through the lock to reason about representative type of vessel designed for through the lock and its operation organize. chapter three design the renovate engineering through ascertaining the main technological factor scale of the lock, dimension, designed water level and altitude, including design of structure of the lock, lock chamber and lock gate, and select the main technological factor and pattern of headstock gear. chapter four draws a comprehensive compare of the two design scheme of the renovate project with engineering project economy evaluation method, and makes out the recommended scheme, and furthermore, to calculate the economic evaluation index of the recommended scheme and makes the economic sensitivity analysis of the scheme and finally demonstrate economic feasibility of the scheme

    本論文共分四章:第一章主要介紹了原東溝船閘的地理位置和營運現狀,說明了船閘在建設和水資源綜合利用中的作用及東溝船閘改造的必要性;第二章東溝船閘改造的主要技術因素確定其中包括東溝船閘過閘貨種和貨運發展的預,並確定東溝船閘的設計代表船型及營運組織;第三章東溝船閘改造工程設計本章通過船閘改造工程主要技術參數:船閘規模、尺度、設計水位和高程等的確定,設計了二個船閘改造方案,包括鋼筋混凝土整體塢式閘首結構、閘室和閘門的設計,並選定了啟閉機的主要技術參數和型式;第四章採用了工程項目經濟評估方法對東溝船閘改造工程二個設計方案進行全面綜合比較后,確定了推薦方案。
  19. The marine department itself controls some 100 vessels which comprise mainly patrol launches, personnel carriers, pontoons, self - propelled barges and some specialised vessels such as hydrographic survey launches and explosives carriers

    海事處本身所管轄的船隻約100艘,主要為巡邏小輪、人員載運船、浮躉、自躉船,以及海船、爆炸品運載船等專船。
  20. The marine department itself controls about 100 vessels which consist of mainly patrol launches, personnel carriers, pontoons, self - propelled barges and some specialised vessels such as hydrographic survey launches and explosive carriers

    海事處管轄的船約有100艘,主要包括巡邏小輪、運送人員的船、浮躉、自躉船,以及海船、爆炸品運載船等專船。
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