橫搖運動 的英文怎麼說
中文拼音 [héngyáoyùndòng]
橫搖運動
英文
rolling motion-
3. the magnitudes of anchor chain tension caused by heave and pitch is small. so is the effect on dragging anchor. 4. the depth of water, which anchored ship requires, is to large extent affected by heave and pitch
水深對橫蕩和首搖運動影響較大,水深增加,橫蕩和首搖運動幅度增大,因此,對錨鏈沖擊力增大,即對走錨的影響較大。On the basis of cybernetics through forecast roll and pitch of a ship and by adjusting the object ' s space position and keep its horizontal state without limit of actual sea state according to the control rules with the predictive value of ship ' s roll angle and pitch angle
應用控制理論通過預測隨機海浪擾動下船舶的橫搖、縱搖運動的搖角值,按照所設計的控制規律實現在不受實際海況限制的情況下調整船上物體的空間位置,使此物體保持水平狀態的目的。If a star has a companion, it will seem to wobble as it moves across the sky.
如果一顆恆星有一顆伴星,那麼當它橫越天空運動時,它似乎是搖來擺去。During the simulation of the secondary lateral suspensions for the high speed passenger vehicle with no - bolster bogie, the effective using semi - active control to improve the ride comfort are studied
通過對採用無搖枕轉向架的高速客車懸掛系統橫向模型的模擬實驗,研究了半主動阻尼控制改善車輛運行平穩性的有效性。In the course of developing and before application, the performance of carrier - borne aircraft illuminated guidance system under the environmental state of movement should be tested firstly, especially the performances and state measures of glide indicator, rolling indicator and gyrohorizon which offer ship ' s movement postures to carrier - borne aircraft in the illuminated guidance system, this needs to offer a artificial carrier on the land that can imitate ship ' s movement in the water. at present, simulating table only has single degree of freedom at home application to carrier - borne aircraft illuminated guidance system which need change test and measurement situation and adjust benchmark in the course of experiment
艦載機燈光引導系統作為艦載機著艦引導特輔裝置是載機艦船上不可或缺的特種裝置,是保證飛行員的生命安全和艦載機安全回收的重要手段。其在開發過程中以及正式安裝使用前,首先要通過在運動環境狀態下的性能測試,特別是燈光引導系統中為艦載機提供艦船運動姿態的下滑指示器、橫搖指示器以及陀螺地平儀的性能和狀態檢測,這就需要在陸地上為它們提供一個可模擬艦船在水面運動的載體。This paper applies ittc single - parameter ocean wave spectrum to simulate a random long - crested ocean wave according to statistics superposition theory and real - time simulate disturbance on the ship by random wave. it simulates roll and pitch of the ship in random wave in the time domain and gains roll angle ( t ) and pitch angle ( t ) signal of ship rolling movement
本文根據統計疊加理論,採用ittc單參數標準海浪譜模擬模擬實際的長峰波隨機海浪,進而實時模擬長峰波隨機海浪對船舶的隨機擾動,對船舶在海浪中的橫搖和縱搖運動進行了時域模擬,得到船舶搖蕩運動的橫搖角信號( t )和縱搖角信號( t ) 。For the dynamic process of ship rolling movement, this paper analyses its dynamic date with time series analysis method and brings up this system ' s the most excellent autoregressive model ( ar model ) according to least aic criterion ( akaile, information criterion ). it reveals the regular pattern of ship rolling movement and forecasts the future value of roll angle and pitch angle, then transforms it to adjusting value of object and adjusting it according to appropriate control rules
對于船舶搖蕩運動這一動態過程,採用時間序列分析的方法,建立系統的自回歸模型( ar模型) ,並根據最小aic信息量判定準則保證建立的系統模型為最優化模型。利用參數模型的方式對船舶橫搖、縱搖運動的動態數據進行分析處理,揭示船舶搖蕩運動的規律,預測船舶橫搖角、縱搖角的未來值。The platform can analog rolling and swaying motion of ships. the moment of inertia, damping and restoring force can be adjusted
該試驗臺架能夠模擬船舶的橫搖運動和橫蕩運動,試驗臺架的轉動慣量、阻尼力矩和恢復力矩可調。To test the performance of anti - rolling tank more conveniently, the paper sets up the test platform of two freedoms. the platform can analog rolling and swaying motion of ships
該試驗臺架能夠模擬船舶的橫搖運動和橫蕩運動,試驗臺架的轉動慣量、阻尼力矩和恢復力矩可調。The paper goes on test on rolling and swaying motion by regular waves and rolling by irregular waves, and investigates the anti - rolling performance of passive anti - rolling tank. the test validates the anti - rolling principle of passive anti - rolling tank and provides test data for designing and installing anti - rolling tank on ships in the future
最後論文作者利用所設計的水艙試驗臺架對規則波作用下的船舶橫搖、橫蕩運行和不規則波下的橫搖運動進行了試驗,並對被動式減搖水艙模型的減搖性能進行了試驗研究。The test results indicated that test rolling table can simulate ship rolling motions on the wave and passive u - tube tank designed achieves stabilization effects to a certain extent
試驗搖擺臺的成功研製,將為裝備減搖水艙的實船進行準確且可靠的橫搖運動預報提供一個穩定的試驗平臺。In this paper, wheel - rail rolling contact creepages and creeps of independently rotating wheel are analyzed, the effects of lateral and yaw motions of independently rotating wheel, and the curve radius to creepages of wheel - rail rolling contact are emphasisatically researched. 4
論文對獨立旋轉車輪的輪軌滾動接觸蠕滑率/力進行了分析,研究了輪對橫移和搖頭運動以及曲線半徑對獨立旋轉車輪輪軌蠕滑率的影響情況。In general, the upward amplitude curve " curvature is larger, and it changes quicker. on the contrary, the downward is smaller and slower ; because the flare force contains the square of the wave elevation velocity, it results in an difference between the flare force frequence and the associated moving frequence ; the flare force decreases the downward amplitude of heaving oscillations ; the speed of ship has an ignorant effect on the peak values of three calculated values, but there is an obvious effect on the oscillating frequence ; the wave amplitude has an effect on the ship motion, and there is an linear relation between the oscillating amplitude and the wave amplitude on the whole. by the way, there are some experiences and lessons according to the progress calculation : before the calculation of the ship motion, we should checkout the balance in a calm water firstly, namely, the whole displace of ship and the longitudinal position of the center of gravity must be consistent with the draft in calm water, or else, the calculation may show the " floating " phenomenon ; the mixed language programming has a lot of virtues, but it exists a fatal limitation - the debug of dll
研究表明:在某些頻率范圍內相關水動力系數基本不隨吃水變化,只有超過某一頻率后水動力系數的值才會出現差異;在橫搖方向,水動力系數並沒有隨著吃水的變化發生規則變化,而是出現了波動現象;近船首剖面的水動力系數計算表明,水動力系數的波動非常大,並遠遠偏離了平均位置的水動力系數值,值的變化速率也不盡相同,總的看來,上振幅曲線曲率較大,變化較快,下振幅曲線曲率較小,變化較慢;外飄力和波面運動的速度的平方項有關,導致其振動頻率和相應運動方向的頻率不同;外飄力使升沉向下運動的幅值減小;船速對三個計算量的峰值影響甚微,但對振動頻率有明顯影響;波幅對船舶運動的影響是明顯的,船舶運動的幅值基本上和波幅成線性關系。In order to provide data reference for ships equipped with anti - rolling tank, based on the item the anti - rolling tank test equipments on the ship among the country 211 key construction projects, the paper goes on deep analysis and research on test platform of tank and motion of rolling and swaying
為了給實船裝備減搖水艙提供數據參考,結合國家「 211 」工程重點投資建設項目「船舶減搖水艙試驗裝置」的研製工作,本課題對水艙試驗臺架及橫搖、橫蕩運動進行了較深入的分析和研究。The results are of more precision by adopting the latest achievements. conclusions are drawn by a large number calculation. 1. to large extent, the magnitudes of sway and yaw are affected by the depth of water, so is that of anchor chain tension ; the magnitudes of sway and yaw are smaller in the shallows than in the deep, so is that of anchor chain tension ; 2. to small extent, the magnitude of heave and pitch is affected by the depth of water
該數學模型突破了以往數學模型的局限性,不僅考慮了縱蕩、橫蕩、首搖運動,還考慮了垂蕩、縱搖運動;在該數學模型中還考慮了淺水的影響,對模型中受淺水影響較大的部分作了淺水修正;在計算各外力時,採用最新研究成果,使計算結果更加準確;通過大量計算得出一些很有意義的結論: 1The rolling and the horizontal motion of ship are coupled intensely. meanwhile, the coupling motion is often presented as non - linear function according to experiment results and the ship is usually disturbed by sea wave when it cruises
船舶的橫搖運動與水平面運動是強烈耦合的,而這種相互耦合的運動根據試驗數據往往被擬合為非線性函數的形式,同時船舶在海上運動又會受到海浪的干擾作用。The paper goes on analog rolling motion by forcing regular waves on tank test platform and investigates the anti - rolling performance of passive anti - rolling tank. the test platform runs normally and meets with the test needs
最後論文作者利用所設計的水艙試驗臺架對規則波作用下的船舶橫搖運動進行了模擬,並對被動式減搖水艙模型的減搖性能進行了試驗研究。In addition, we should have not only the theoretical research on the controlled passively anti - rolling tanks, but also carry through performance test on them, which is necessary to study performance of the anti - rolling tank and predict ship ' s rolling motion
最後,對可控被動式減搖水艙的控制系統進行設計,除了進行理論研究外,進行減搖水艙模型性能試驗是研究可控被動式減搖水艙性能、進行船舶橫搖運動預報的不可缺少的步驟。Chapter 2 exposits the principle of the airborne isar imaging of ship targets in detail using the concept of image projection plan and effective rotating vector. and some imaging results under every ship sway ( roll, pitch and yaw ) are presented
論文第二章藉助成像投影面和有效旋轉矢量的概念,詳細闡述了機載isar對艦船成像的機理,並分別對艦船橫搖、縱搖、偏航運動成像進行了模擬。The airborne isar imaging of ship target depends on the ship ’ s rotation relative to the radar line of sight ( rlos ). this rotation has two sources : one originates from the relative movement between the radar and the ship. the other comes from the ship sway ( roll, pitch and yaw )
機載isar對艦船成像依靠艦船與雷達視線( rlos )之間的相對轉動,它由飛機與艦船航行引起的相對運動和海浪作用下艦船自身搖擺(橫搖、縱搖、偏航)產生的轉動組成。分享友人