艦船模型 的英文怎麼說
中文拼音 [jiànchuánmóxíng]
艦船模型
英文
dummy ship model ship- 艦 : 名詞(大型軍用船隻; 軍艦) warship; naval vessel; man-of-war
- 船 : 名詞1. (水上的運輸工具, 船舶的通稱) boat; ship; vessels 2. (姓氏) a surname
- 模 : 模名詞1. (模子) mould; pattern; matrix 2. (姓氏) a surname
- 艦船 : ships and warships艦船導航 ship navigation; 艦船定位 ship location; 艦船發動機 marine engine; 艦...
- 模型 : 1 (仿製實物) model; pattern 2 (制砂型的工具) mould; pattern3 (模子) model set; mould patter...
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Experimental investigation on vibration reduction of hull model by bubbly layer
艦船結構氣幕減振的模型試驗研究Specialize in english chintz china, majolica, staffordshire, oil paintings, and garden accessories
-免費的艦船圖片,艦船模型信息,李商隱詩。Second, the imaging model built here has taken into account the tilt modulation, the hydrodynamic modulation, and current modulations of radar cross section. consequently, it has realized the imaging simulation of four kinds of wakes with the same imaging model. third, the orbital velocity of ocean wave was considered as the basic dynamic factor, and the imaging model calculates the influence on raw data by the wave m ovement according to the orbital velocity
該模型的主要特點是: ( 1 )它採用了三尺度復合表面模型的思想來計算海面的電磁散射,考慮了中等尺度波對紋波的進一步調製作用,彌補了傳統雙尺度模型的不足; ( 1 )它考慮了海浪的傾斜調製作用、流體動力調製作用和流場對雷達截面的調製作用,實現了用統一的模擬模型對四種艦船尾跡特徵進行成像模擬; ( 3 )它把海面長波的軌道速度作為基本的動態成分,並依此來考慮海面運動對sar回波信號的影響。Finish warship 3d model management system in windchill with oo method
?運用面向對象( oo )的方法在windchill平臺下完成了艦船三維模型管理系統的開發工作。This paper introduces the calculation of the loads of different waves and the combination of sine wave and cosine wave. furthermore, stressing on discussing the corresponding problems of the fem of the whole structure and putting forward the basic principles of building a fleet. taking a fleet for example, the paper discusses the whole response of the fleet and the local response of it according to different load cases
本文介紹了船舶的波浪載荷計算及按動態載荷法進行載荷分量組合,而且研究了結構有限元模型的有關問題,給出了結構的模型化原則;本文以一條051艦為例,討論了不同的工況下整船艦艇結構應力的響應以及局部結構的響應。Study on target recognition based on simulation model of ship radiated - noise
基於艦船噪聲模擬模型的目標識別研究In order to evaluate the electronic protection capability of the antiship missile active - passive multimode seeker, and also provide simulation data for the devising of the multimode guided antiship missiles, several studies are performed in this thesis : the modern ship ecms are systematically studied, and the electronic counter - countermeasures ( eccm ) of the active - passive multimode seeker are analyzed. a study is performed on the modeling and simulation ( m & s ) of the missile - ship engagement scenario. models needed for the engagement simulation are established
針對艦船電子干擾措施具有的特性,研究了反艦導彈與艦船的對抗模擬建模問題,建立了艦船運動模型、艦載輻射源模型、艦載電子干擾實體模型以及海戰中艦船的干擾實施模型;同時,建立了復合制導反艦導彈主被動復合導引頭的模擬模型、反艦導彈的運動模型以及導彈制導規律模型。In general, target one object per 250m ( if your ship is 2 km long, split it in 8 objects )
一般地,每250米分一個對象(即,如果一艦船模型長2千米,將其分為8個對象) 。Offers information about model trains. the site has sections about cleaning, smoking, buying and frequently asked questions
-靜態模擬動態遙控模型,飛機坦克直升機汽車艦船模型。This paper presents the test approach to the complex wake wind tunnel, including ( 1 ) basic principles of the test ; ( 2 ) design method and parameters of rotor and warship models ; ( 3 ) installation scheme and test conditions of the model ; ( 4 ) some test results and analyses
介紹了復合流場的風洞試驗方法,包括試驗的基本原則、旋翼及艦船模型的設計方法和參數、模型的安裝方案及試驗狀態,並給出了部分試驗結果及其分析。The main contents and results in this paper are as follows : firstly, the digital image processing technique is used for recognize the coordinates of the landing - points. then, based on these coordinates, the mathematic model is built up, and the weights of effecting factors are evaluated
本文的主要研究內容和取得的成果如下: 1 .提出了通過圖像識別的方法來自動採集艦載機降落在艦船上的落點坐標值;建立了直升機的落點位置分佈模型,給出了各影響因素的權重;並可以對落點坐標位置進行預測。My brother is addicted to any kind of model of a ship
我弟弟非常的沈迷於任何一種的船艦模型。In order to control sound radiation from a baffle in sonar equipment excited by vibration and noise from a ship, the baffle was modeled as a simply supported rectangular thin plate and its radiation characteristics were analytically investigated
摘要為抑制聲吶設備中障板受艦船振動、噪聲激勵而產生的聲輻射,將障板轉化成簡支薄板模型,分析其在諧波激勵下的聲輻射。Through the analysis of the simulated sar images for different sar system parameters, observing conditions, ships " types and motion parameters, as well as sea state parameters, the thesis has studied the optimal observing conditions for different kind of wakes and probed into the problem of motion parameters inversion and wake detection
通過對不同的sar系統參數、觀測條件,艦船類型和運動參數以及不同海況參數下模擬的尾跡sar圖像的分析,研究了不同類型尾跡的sar最佳觀測條件,探討了運動參數反演和尾跡檢測的方法。This paper discuss a modeling and predicting means for nonlinear systems proceeding from nonlinear systems modeling and predicting theory, whch is based on drnn model. this means overcomes the fact that ar model is used only in linear systems, at the same time it connects itself with approximation theory symbolic statistics and conjugate gradient algorithm, and formulate a system of large watercrafts motion modeling and predicting which is based on drnn model, and simulate it
本論文從非線性系統建模與預報的理論及應用觀點出發,系統地闡述了一類適用於非線性系統的建模預報方法? ?基於drnn模型的建模預報方法,克服了ar模型僅局限於線性的情況,同時結合逼近論、數理統計等知識,運用共軛梯度演算法,提出並建立了基於對角回歸神經網路的大型艦船運動建模預報系統,並進行了模擬。The author has been concerned with the 3d model management system based on pdm in the 701 graduate school of the cssc, and learn about the enterprise. he has made an investigation and analysis on the enterprise current operation flow, administration system, current status of information technology and related software and hardware based on the knowledge learnt. the author has expatiated the necessity for information technology and administration in shipbuilding industry originating from the developing trend of information technologies
本文作者參與了中國船舶重工集團第701研究所pdm平臺上的三維模型管理系統的研究,對該企業有一定的了解,並對當前生產運作流程、管理系統、信息技術應用現狀、信息技術裝備軟體和硬體現狀進行了調研分析,根據信息技術的發展的新趨勢和該企業自身發展需求出發闡述了以pdm作為搭建船舶行業信息技術及管理平臺的必要性和可行性分析,並在此基礎上,結合該所計算中心的信息化工程在產品數據管理軟體windchill下進行了該所艦船三維模型管理系統的開發。2. based on the scheme of modeling and predicting of neural network, the auhor select a neural network model which is applicable to watercraft motion short time modeling and predicting according to the character of watcrcraft historical data
圍繞著基於神經網路的建模與預報方案,在對不同的神經網路模型進行研究的基礎上,根據艦船運動歷史數據的特點,對神經網路模型進行了篩選,選擇適合艦船運動極短期建模與預報的神經網路模型。However, large ships ( kilometer - sized or more ) can have troubles if geometric detail is done by using coplanar surfaces with a small thickness
但對以公里計尺寸的大型艦船來說,用小厚度的共面表面來構造模型細節就會產生問題。3. the method of drn ' n modeling and predicting is given in this papel the author works out the algorithm, gives the multi - step predicting algorithm, and presefits the convergence theory of the algorithin
針對艦船運動姿態極短期預報問題,主要研究了drnn模型的建模與預報方法,對該演算法進行了推導,並推導出了多步預報的遞推演算法,還給出了該網路的收斂性定理的證明。In the end the predicting model is used in watercraft motion modeling and predicting, and the auhor analyzes the result of simulating. the result indicates that this ap $ j $ ifgx9 @ 1 % & itx means is reasonable and feasible and gains the satsfactory pmpose
最後將此模型應用於艦船縱搖運動的極短期預報,並從統計理論的角度對模擬結果進行了分析,分析結果表明該方法是合理可行的,確實提高了預報精度,加長了預報時間。分享友人