水下彈道 的英文怎麼說

中文拼音 [shuǐxiàdàndào]
水下彈道 英文
underwater trajectories
  • 水 : 名詞1 （由兩個氫原子和一個氧原子結合而成的液體） water 2 （河流） river 3 （指江、河、湖、海、洋...
  • 下 : 下動詞1. （用在動詞后,表示由高處到低處） 2. （用在動詞后, 表示有空間, 能容納） 3. （用在動詞后, 表示動作的完成或結果）
  • 彈 : 彈名詞1. （彈子; 小球形的東西） ball; pellet 2. （內裝爆炸物, 具有破壞和殺傷能力的東西） bullet; bomb
  • 道 : 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） ...
  1. Strip - shape underground structures such as the tunnels and tubes for various uses can be treated as a beam on elastic foundation under earthquake condition ， although there exists soil - structure interaction ， the foundation soil vibration is dominant in other words ， analysis of earthquake response of the soil is essential to this end ， simplified models ， ( i. e equivalent mass system models based on some equivalence criteria ) are proposed ， instead of a general 3 - d continuum model in this study ， equivalence criteria are proposed and the simplified models are compared the single - mass - string model is proved to be valid and therefore applied to the analysis of earthquake response of the pearl river immersed tunnel

    條裝地下結構如隧道、各種埋設管道等一般可看作彈性地基梁進行靜力及動力分析在地震條件下，結構與土相互作用，但土的振動成為主要因素為分析土的地震響應需把基土這一三維連續體作簡化處理，簡化成為等效多質點模型本文著重探討這種簡化模型的建立方法，推導等效方程，通過幾種簡化體系的分析比較，論證單質點串體系的合理性，並將其應用到廣州黃沙芳村珠江水下隧道工程的地震響應分析，為抗震設計提供依據
  2. In this paper, a space model of antisubmarine homing torpedo ' s trajectory has been established based on the surface warship attacking underwater target, a formula which can be used to calculate the trajectory length of antisubmarine horning torpedo is also given

    在建立了水面艦艇發射反潛自導魚雷攻擊水下目標的空間彈道模型的基礎上，提出了反潛自導魚雷全彈道長度的一種計算公式。
  3. In order to investigate the variety of some of the initiatory kinematics parameters, the author first computes the underwater trajectory of the submarine launched missile carrier

    為了摸清分離體在分離時刻的初始運動學參數可能的變化范圍，首先計算了導彈運載器的水下彈道。
  4. Second, by computing the trajectory of the missile and the method of analyzing cep, influences that the fighter ' s height, speed, pitch angle, the deflection angle between fighter and target, and the target moving characters make on the times of fighter attack and missile launch are deeply developed. third, by relating the motion of the missile and the fighter, the influences that fighter ' s dive angle and the deflection angle between fighter and target make on the attack field of the fighter are discussed in this paper when the fighter perform vertical and horizontal attack. criterion of attack effect is proposed focusing on attack time of the fighter, trajectory of the missile and destruction probability to the target

    本文主要完成了以下幾個方面的工作：對導彈可發射區和飛機可攻擊區進行建模，通過對導彈彈道的模擬計算，並運用典型的圓概率偏差精度分析方法，詳細討論了飛機實施攻擊時，飛機的飛行高度h 、速度v 、俯仰角、與目標的偏離角_ x及目標運動特性等對飛機攻擊時機和導彈發射時機的影響；因此，將飛機和導彈結合起來，詳細研究了飛機在垂直平面和水平平面內實施攻擊時，飛機俯沖角和與目標的偏離角_ x對飛機的攻擊范圍的影響；以飛機實施攻擊的時間t 、彈道特性和對目標的殺傷概率p來評判對地攻擊的效果；最後給出典型算例，通過對空地攻擊過程的模擬實現，對飛機飛行過載提出要求。
  5. Without any foreign assistance, china has independently developed intermediate and short - range missiles, long - range rockets, submarine - launched solid - propellant rockets, recoverable satellites, the technology to launch multiple satellites atop a single rocket, and geostationary communication satellites

    中國的中近程導彈、遠程火箭、潛艇水下發射固體燃料火箭、返回式衛星、一箭多星、地球靜止軌道通信衛星都是在沒有任何外國幫助下獨自完成的。
  6. This paper deals with seismic response of a tunnel - soil system immersed tunnel ， as an underground structure ， must be compatible with the deformation of the surrounding soil thus the simplified model for a tunnel - soil system is established through two steps at the first step ， an mdof system is developed for modeling the foundation soil to this end ， dynamic behavior of the foundation soil is analyzed a typical section of the foundation soil simplified as a single mass - spring system on the basis of some equivalent criteria those mass are linked longitudinally by elastic springs to form an mdof system at the second step ， the tunnel is treated as a beam on elastic foundation ; that is ， the tunnel is connected with the soil massed to form a tunnel - soil system this model has been applied to the seismic analysis of huangsha fangcun immersed tunnel across the pearl river in guangzhou design recommendation is proposed on the basis of this analysis

    研究沉管隧道在地震條件下整體受力的分析方法分兩步建立計算模型第一步通過分析場地地基土切片的動力特性，根據等效原則將其化為等效單質點體系，然後在縱向用等效彈簧連接而成為多質點體系的地基土計算模型；第二步將隧道看作彈性地基梁與上述多質點體系通過等效彈簧連結而得到土隧道體系的計算模型本文結合廣州黃沙芳村珠江水下隧道工程實例建立了具體的計算模型並對多種不同的約束條件，進行了縱向與橫向地震響應時程分析，為該隧道的抗震設計提供依據
  7. The study of underwater trajectory and motion stability of supercaviting bodies, dealing with three kinds of media - solid, liquid, gas ( vapor ), is one of the most important problems in mechanics and engineering

    摘要超空泡狀態下的航行體水下彈道的研究涉及固、液、氣（汽）三相介質的運動。
  8. In this paper, the theory of slender bodies was used to calculate hydrodynamic forces and to numerically simulate the underwater trajectory of supercaviting bodies, the motion stability of supercaviting bodies was analyzed, too

    本文應用細長體理論計算航行體在超空泡狀態下的流體動力，成功類比了超空泡狀態下的航行體水下彈道。
  9. In order to study on fire efficiency for the rocket - assisted torpedo, this paper has gone deeply into every stages of air trajectory and underwater trajectory, and established the fire efficiency model of the rocket - assisted torpedo with the monte - carlo

    摘要為解決火箭助飛魚雷的作戰使用問題，需要確定它對隨機機動目標的射擊效率，通過對該雷空中及水下彈道的各階段深入細致的分析研究，建立了火箭助飛魚雷射擊效率模擬模型。
  10. In this paper according to the design scheme of yao heba power station in nan yahe river, the mathematical model with longer and complicated conduit system, elastic water hammer and pid regulating low of voter turbine adjusting system in the case of the small fluctuation has being built, which include conduit system, surge tank, draft tube, water turbine, generator and governor. the hydraulic losses are taken into account, and nonlinearization in water turbine and the governor is also taken into account

    本文根據南椏河姚河壩水電站的設計方案，對水輪機調節系統，按長引水管道復雜引水系統、彈性水擊、調速器為pid調節規律，在小波動情況下，對包括引水道、調壓井、尾水管、水輪機、發電機、調速器在內的水輪機調節系統建立數學模型，並計及引水管道水力摩阻損失，對水輪機、調速器考慮了其中的非線性，利用功能強大的matlab軟體編制了源程序進行計算機模擬計算。
  11. Based on the depth of the hole and on reports that the district later had its water cut off, american troops concluded that a massive amount of homemade explosive had been stuffed into an underground pipe to avoid leaving any trace on the surface

    根據洞的深度和報道說這一地區稍候的停水，美軍推測大量自製炸彈被埋在地下管道以防地面留下路痕跡被暴露。
  12. This dissertation derives from the national ninth five - year plan project " torpedo weapon system development and mathematic simulation methods research " and china shipbuilding industry group ' s project " sub - water multi - target trajectory counterwork distributed interactive simulation system "

    本論文題目來源於總裝備部「九五」預研課題「魚雷武器系統規劃發展數學模擬方法」和中國船舶重工集團第七五零試驗場課題「水下多目標彈道對抗分佈交互模擬系統」 。
  13. The conclusions have been deduced from the detailed analysis of a set of experimental results as below : 1 ) the formula of tangent young ' s modulus et has been established during the unloading process ; 2 ) the shearing features of the samples are similar to undrained test even though there are draining paths so the possion ratio of the sample is about 0. 5 ; 3 ) unloading paths have little effects on the shearing strength parameters

    通過對試驗結果的分析得到： 1 ）任一時刻土體的切線彈性模量公式； 2 ）卸載情況下盡管存在排水通道，但試樣仍基本上表現為不排水的性狀，按廣義虎克定律得到的泊松比在0 . 5附近； 3 ）卸荷應力路徑對土體的強度參數影響不大。
  14. A method for establishing ballistic equation of underwater directional vehicle

    一種建立水下定向航行器的彈道方程的方法
  15. The experimental results show that the method is effective to identify the flow patterns of bubbly, plug, stratified, wavy, slug and annular in a horizontal pipe. the identification accuracy is shown as follows : bubbly flow is 93. 3 %, plug flow is 85. 3 %, stratified or wavy flow is 97. 3 %, slug flow is 98. 6 %, and annular flow is 92. 7 %. an estimation of the process time is 22 frame / s

    實驗結果表明，該方法能自動有效地識別水平管道內的氣泡流、塞狀流、層狀流、波狀流、彈狀流和霧環狀流等基本流型；識別準確率如下：氣泡流為93 . 3 ，塞狀流為85 . 3 ，分層流為97 . 3 ，彈狀流為98 . 6 ，霧環狀流為92 . 7 ；識別圖像速度約為22幀秒，適合於在線實時識別兩相流流型。
  16. And the results show that the calculated settlement agree well with that of measured. the paper established the dynamic pore pressure models of soft soil subgrade and composite foundation, compiled the dynamic fem program of undrained effective stress method, considering the elasto - plasticity of foundation soil as well as the interaction of pavement and foundation, thoroughly analyzed the deformation characteristics of pavement and foundation, and these results are instructive for the construction of pavement or airport runway

    本文建立了軟土地基和復合地基的動孔壓經驗模型，編制了不排水有效應力動力反應分析有限元程序，不僅考慮了地基土體的彈塑性，而且考慮了道路結構與地基的相互作用，比較全面地分析了交通荷載作用下道路與地基的整體變形特性，對道路工程或機場道面工程的建設具有一定的指導意義。
  17. The products are the raw material of polyurethane elastomer, coating and adhesives, which react with isocyanate to give a chemical grouting material that has been widely used for seepage - proofing and blocking up the loophole of tunnel, dam, underground projects and mine - pits, as well as foundation reinforcement

    本類產品為聚氨酯彈性體、塗料、粘結劑的原料，與異氰酸酯反應制得的化學灌漿材料，廣泛用於隧道、水壩、地下工程、礦坑層面的防水堵漏及建築物的地基加固。
  18. Fundamental equations of underwater gun ' s interior trajectory and it ' s design

    水下槍械內彈道基本方程組及其設計
  19. Fundamental equations of underwater gun s interior trajectory and it s design

    水下槍械內彈道基本方程組及其設計
  20. Abstract : according to the characteristics of high - speed water entry about the rotary projectile, an experiment plan satisfing mach similarity has been put forward for hydroballistic modeling of high - speed water entry about the rotary projectile by using dynamic equations of projectile movement and similarity theory, which can achieve the equivalent of main similarity parameters between true object and its model at atmospheric environment

    文摘:針對旋轉彈體高速入水特點，從彈體運動的動力學方程和相似理論出發，提出了模擬旋轉彈體高速入水水中彈道的馬赫相似實驗方案.該方案在大氣環境條件下，能夠實現原型和模型兩系統的主要相似準數相
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