航模小組 的英文怎麼說
中文拼音 [hángmóxiǎozǔ]
航模小組
英文
model airplaneclub-
When solving the tna problem based on fleet balance application, a flight pairing network model is build, by which the primary problem transferred to a directed path decomposition problem to minimize target function, and a simulated annealing algorithm is constructed
在解決使飛機均衡使用的飛機排班問題時，本文利用航班節的網路模型將原問題轉化為一個使目標函數最小的航班節編組問題，在此基礎上構造了一個模擬退火演算法。Professor hu s team have been working with the london aquarium for three years to develop a biologically inspired robotic fish which mimic the undulating movement of nature s fish species aiming for the speed of the tuna ; the acceleration of a pike, and the navigating skill of the eel
）教授的研究小組已經與倫敦水族館合作了三年，希望能開發出一條仿生機器魚，模擬活魚游水時的擺動姿勢力求具備金槍魚的速度、梭子魚的加速度和鰻魚的導航能力。The results of simulation given in this paper indicate that the sins / dtu can effectively improve on the following navigation parameters : velocity, latitude and longitude, yawing and attitude angle, position of track - reckoning etc
模擬結果表明，該組合導航系統可有效地減小速率、經度和緯度、航向角和姿態角及航跡推算下的位置等導航參數的累積誤差。Through narrating the basic summarize of container transportation, and especially the concept, the organization and the current container transportation problems which exist in the freezing container transportation, this article mainly analyzes the freight source, transportation trait and transportation market circumstances to freezing container, less container load passage between " dalian and japan ", and also forecast the transportation quantities of the transportation in 2003. at last, i reach the conclusion that the management to freezing less container load transportation between " dalian and japan " is a suitable item for middle - sized and small - sized shipping company
本文通過對集裝箱運輸的發展概述，尤其是冷藏集裝箱運輸的概念、組織、以及目前存在的問題，重點分析了對「大連-日本航線」冷藏集裝箱拼箱的貨源、運輸特點、運輸市場現狀、並利用數學模型預測了2003年「大連-日本航線」集裝箱運輸的前景，得出經營大連至日本冷藏拼箱運輸適合中小型航運企業經營發展是有潛力的市場。A ocean shipping co. in a province is facing following problems : less capital, small management scope, bad finance condition. weak ability for risk resistance, old ship age, bad ship condition, high operation cost, weak ability of gaining profit jess talent, low level of management, redundant staffs, unreasonable company organization structure. inert managing system. serious deficit etc. it is typical among middle and small shipping enterprises in tramp shipping market. by using a ocean shipping co. as example, the paper makes research on the difficult position which china middle and little shipping enterprises lying in, also its reason, and gives countermeasures accordingly. which is practical and realistic
某省a遠洋公司存在著資本存量少、經營規模小、財務狀況差、抗風險能力弱、船齡老化、船況差、經營成本高、盈利能力弱、人才短缺、管理水平較低、冗員嚴重、企業組織結構不合理、經營機制不靈活，虧損嚴重的種種現狀，在不定期航運市場上的中小企業中，具有典型性。本文以該公司為案例探討我國中小航運企業所面臨的困境及其原因，並有針對性地提出對策，具有科學性和實用性。The results of simulation indicate that the sins / od can effectively eliminate the following errors of navigation parameters, attitude, velocity, latitude and longitude etc
模擬結果表明該組合導航系統可有效地減小姿態、速度、經度和緯度等導航參數的誤差累積。With the swot analysis method, the article deeply analyzed the foundation of strategy capability of the company by associating with the analyses of outer environments and inner conditions to provide the ideas and evidences for the establishment of strategy planning program on the basis of analyses in both theory and practice, in accordance with the established strategy factors and selected general strategy methods, the article made out the strategy planning program and strategy target of the company and pointed out various subsystems of strategy planning programs such as the products strategy plan, market strategy plan, finance strategy plan, manpower resource plan, organization & administration development plan, technology development plan and technology transformation plan etc finally the article applied life cycle method and economic evaluation method to evaluate and analyze the strategy planning program stated in this article so as to guarantee that the research conclusions are scientific and practicable
再次，對株航公司的戰略資源和能力進行了系統的分析和閘述，綜合了中、小發基地建設已有的基礎，結合行業現狀明確了株航公司的核心能力，並運用swot分析方法，綜合企業外部環境分析和內部條件分析，深入分析了株航公司的戰略能力基礎，為制定戰略規劃方案提供了思路和依據。在對理論和實際進行研究分析的基礎上，運用戰略聚類模型分析方法，按照戰略制定要素並結合總體戰略選擇方法，擬定了株航公司的戰略規劃方案和戰略目標，並提出了產品開發戰略規劃、市場戰略規劃、財務戰略規劃、人類資源規劃、組織與管理發展規劃、技術發展規劃、技術改造發展規劃、等各子系統的戰略規劃方案。最後，綜合運用生命周期法和經濟效果評價等研究方法對本戰略規劃進行了評估分析，保證了研究結論的科學性和實用性。Based on optimal control theory and singularly perturbed theory, a singularly perturbed midcourse guidance law that guarantees air - to - ground missiles to ascent quickly is proposed. this new guidance law is a composite control law consisting of three parts : optimal climbing control using variable weighting factor method, minimum energy cruising phase control and minimum energy switching phase control. moreover, a new control logic is designed in order to remove influence of climbing control on switching phase. simulation results of a certain type of air - to - ground missile are presents. it is shown that, with simple control algorithm and feasible onboard implementation, this law not only guarantees air - to - ground missiles to ascent quickly, but also satisfies the requirements of midcourse phases. the studies have important theoretical meaning and great value of engineering application
為滿足實際作戰的要求，基於最優控制理論和奇異攝動方法，提出了一種可保證中遠程空地導彈快速爬升到最優高度的中制導律.它由變系數最優爬升控制，最小能量巡航控制和最小能量下滑控制組成.為了減小爬升段控制對下滑段的影響，提出了一種新的控制邏輯.最後針對某型空地導彈進行了模擬.結果表明，該中制導律較好地滿足了中遠程空地導彈在中制導段的要求.本文的研究結果具有較好地工程參考價值Abstract : based on optimal control theory and singularly perturbed theory, a singularly perturbed midcourse guidance law that guarantees air - to - ground missiles to ascent quickly is proposed. this new guidance law is a composite control law consisting of three parts : optimal climbing control using variable weighting factor method, minimum energy cruising phase control and minimum energy switching phase control. moreover, a new control logic is designed in order to remove influence of climbing control on switching phase. simulation results of a certain type of air - to - ground missile are presents. it is shown that, with simple control algorithm and feasible onboard implementation, this law not only guarantees air - to - ground missiles to ascent quickly, but also satisfies the requirements of midcourse phases. the studies have important theoretical meaning and great value of engineering application
文摘:為滿足實際作戰的要求，基於最優控制理論和奇異攝動方法，提出了一種可保證中遠程空地導彈快速爬升到最優高度的中制導律.它由變系數最優爬升控制，最小能量巡航控制和最小能量下滑控制組成.為了減小爬升段控制對下滑段的影響，提出了一種新的控制邏輯.最後針對某型空地導彈進行了模擬.結果表明，該中制導律較好地滿足了中遠程空地導彈在中制導段的要求.本文的研究結果具有較好地工程參考價值Then this paper introduced the main method in multi - sensor integrated navigation - kalman filtering method, and a two - level optimization multi - sensor information fusion structure - combined filter which was originated by carlson and kerr, based on the structure of combined filter, it studied the method of navigating by the multi - sensor navigation system integrated by ins milemeter altimeter and piloting, then analyzed the effect of several filters. simulation proved that when altimeter were integrated, the height error was reduced a lot, and the combined filter is more effective than one - level kalman filter
然後，介紹了組合導航中的關鍵技術? ?卡爾曼濾波方法，以及一種二級最優多傳感器融合結構? ? carlson ， kerr等人提出的聯合濾波器，並以聯合濾波器的結構為基礎研究了車載捷聯慣導系統與里程計、氣壓高度計、地標組合導航的方法，比較了幾種組合方法的效果。模擬結果表明，引入氣壓高度計可以有效的減小高度誤差，二級聯合濾波器的效果優於一級結構的卡爾曼濾波器。First, aiming at the characteristics of miniaturization and the high precision required in the navigation system of the underwater vehicle, a new fault tolerant scheme which uses parallel filters is provided in this dissertation. the scheme not only has the optimality of centralized kalman filter but also has the characteristics of federated kalman filter ' s modularity. because the design and operation of each filter are completely independent, the fault tolerance ability is highly enhanced
針對水下潛器的小型化、導航定位精度要求很高的特點本文提出了基於平行濾波器族的組合容錯結構，該結構不僅具有傳統集中卡爾曼濾波的最優性，又具有聯邦濾波的模塊化特性，且各濾波器的設計和運行完全獨立，大大增強了組合導航系統的容錯性。Shiphandling simulator is a device that can partly imitate the true environment at sea ， and is specially designed to satisfy marine education and trains and maritime research etc. one of its key techniques is to create the virtual environment at sea ， and the terrain is its important component. according to the needs of the real time visual display of the shiphandling simulator ， this paper analyses the requirements of the geometry precision of the important islands and background hills which are within the ships ' visible scope ， and brings forward the modeling methods of the hill ' s pileup and the hill ' s silhouette edges based on contour lines. it also presents the definition of error that the hill ' s silhouette edges graph has been given and the effective scope of application ， and firstly established the error criterion of terrain model that is built in shiphandling simulator. with these two kinds of method ， the size of data storage can be minimized greatly ， and the requirements of high update rate and geometry precision for the real time visual display of the shiphandling simulator can be satisfied
船舶操縱模擬器是一種能夠部分模仿海上真實情況，專門為滿足航海教育與培訓、航海技術研究等目的而設計研製的裝置，其核心技術之一是海上視景模擬，而地形地貌是海上視景中的重要組成部分.根據船舶操縱模擬器實時視景顯示的需要，在分析航行船舶對可視范圍內重要島嶼與背景山脈的幾何精度要求的基礎上，提出了基於等高線的山形堆積建模和山形輪廓建模方法，並給出了山形輪廓圖形的誤差定義、有效適用范圍，以及船舶操縱模擬器中地形建模的誤差準則，該方法生成圖形的數據量較小，其圖形更新速率與幾何精度能達到船舶操縱模擬器實時視景顯示的要求分享友人