射彈速度 的英文怎麼說

中文拼音 [shèdàn]
射彈速度 英文
ejection speed
  • : Ⅰ動詞1 (用推力或彈力送出) shoot; fire 2 (液體受到壓力迅速擠出) discharge in a jet 3 (放出) ...
  • : 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
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. (快慢的程度) speed; rate; pace; tempo
  1. Elastic collision and inelastic collision are considered in oxygen molecule, nitrogen molecule by electron impart. the mail simulation results were as follow : ( 1 ) the variations of drift velocity and the average energy of electron with the e / n in o2 and n2 are obtained. the number of electrons for excitation, ionization, dissociation and dissociative ionization collision with the e / n and the energy of electron are analyzed emphatically

    考慮了各種性和非性碰撞過程,在純氧氣、純氮氣中,給出了不同簡化場e n條件下的電子漂移和平均電子能量的變化;著重分析了激發、電離、分解及分解電離碰撞的粒子數隨e n 、電子能量的變化,同時計算了激發發光譜的波長。
  2. Analysis of range and speed of image guided missile

    圖像制導導程和分析
  3. In this paper, firstly the macro parameter of the series connection app was comprehensively analyzed, among which the trajectory location of the bullet emission and the terminal velocity of the bullet were mainly analyzed, and the feasibility of the series connection app to cope with explosive reactive armor was demonstrated. and then the macro design about the head of the series connection app was made, among which a particular analyse about the bullet " s launching process was made, from which we concluded the relation between the thickness of the airproof loop and the velocity of the bullet detached from the carrier and the relation between the length of the bullet and the velocity of the bullet detached from the carrier and the relation between the length of the bullet and the burning rate of the powder and the relation between the length of the bullet and the maximum pressure of the emission hole and the relation between the length of the bullet and the emitting time of the bullet, and the reasonable str ucture of the head of the carrier and bullet were designed, then the intensity of the head of the carrier was checked out using of the software of ansys

    本文首先對子母式穿甲總體參量作了全面的計算分析,其中主要分析了子出的道位置和必要的子著靶,論證了子母式穿甲對付爆炸式反應裝甲的可行性,然後對子母式穿甲頭部進行了總體設計,其中主要對子的發過程進行了詳細的分析,得出了母頭部發孔內閉鎖環厚與子飛離母的關系、子與子飛離母的關系、子與火藥燃燒率的關系、子與母頭部發孔內最大壓力的關系以及子的長與子所需時間的關系,設計出了合理的母頭部結構和子的結構,並利用ansys有限元分析軟體對母頭部的強進行了校核。
  4. Directed by wave theory of fractured media, the elastic parameters of eda medium are determined in the light of hudson - fractured theory, and christoffel equation gives the formula of the phase velocity of p - wave by which, effects of velocity on behalf of kinetic characteristic and reflection coefficient on behalf of dynamical characteristic form fractured density and azimuty is discussed

    本文以裂隙介質的波動理論作指導,根據hudson裂隙理論,求出eda介質的性參數。在此基礎上,應用christoffel方程求出的地震縱波相表達式,探討了裂縫密和裂隙方位對代表波場運動學特徵的縱波和代表波場動力學特徵的反系數的影響。
  5. 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:對導可發區和飛機可攻擊區進行建模,通過對導道的模擬計算,並運用典型的圓概率偏差精分析方法,詳細討論了飛機實施攻擊時,飛機的飛行高h 、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時機的影響;因此,將飛機和導結合起來,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 、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。
  6. In battle, he can often be seen racing at speeds up to 180 miles per hour, dodging explosions and laser blasts in an attempt to close on his objective

    在戰場上經常可以看到他以每小時高達180英里的前進,一路躲避炸的爆炸和激光槍的擊,逐步接近他的目標。
  7. A mechanism for launching aircraft at a speed sufficient for flight, as from the deck of a carrier

    器以適于飛行的發航空器的一種機械裝置,如從航空母艦的甲板上發
  8. With the material dynamic constitutive equation including damage and the effect of stain rate the predictable formula about ballistic limit velocity of fiber composite target. secondly based on the damage feature about ceramic / fiber composite target caused by impact load, analysis model about defense performance of ceramic / composite material target is formed and the predictable formula about ballistic limit velocity is also given. lastly using the reflection and projectile theory of stress wave the paper discusses the design of ceramic / composite material target, optimizes the design of double layer ceramic / composite targets, gains optimal coefficient under certain area density and discusses the variety relationship of area density and thickness with optimal coefficient u nder some ballistic limit velocity 3

    首先,分析了纖維類正交鋪層復合靶板在沖擊載荷作用下的損傷破壞機理,結合包含損傷和應變率效應的材料動態本構方程,建立了纖維復合材料板道極限的預測公式;其次,根據陶瓷/纖維材料復合靶板在沖擊載荷下的破壞特點,建立了陶瓷/復合材料靶板抗性能分析模型,給出了道極限預測公式;最後,利用應力波反和透理論討論了陶瓷/復合材料靶板的設計問題,對雙層陶瓷復合靶板的優化設計進行了分析,給出了在一定面密下的最佳優化系數,討論了一定道極限下的面密和厚隨優化系數的變化關系。
  9. Consequently, depth charges calculated in advance the volume can speed the movement of enemy vessel hide enemy vessel fired underwater missile. can also access some props : molly super bomb, etc

    很有意思的游戲呢。計算深水炸提前量看敵艦的移動躲敵艦發的水下導
  10. The solid - propullant ducted rocket, which combines the advantages of solid propullant rocket and ramjet propulsion, is a new kind of combined propulsion system. it offers considerable advantages for missile propulsion, such as high specific impulse, high speed, light weight, long range, high maneuver and simple structure. as the major direction of the propulsion system for supersonic missile, the ducted rocket has good prospects

    它將固體火箭技術和沖壓技術有機結合在一起,具有比沖高、快、重量輕、程遠、機動性能好和結構簡單等諸多優點,最大限地滿足了新一代導對其動力裝置提出的要求,是超聲動力裝置的一個主要發展方向,有著廣闊的研究前景。
  11. Abstract : aimed at the accident of chatching fire of a certain type of self - propelled antitank gun s chamber, the paper analyses the normal burning of powder and the efficiency of the gun s extracting device and other factors affecting the burning velocity, makes an improvement on the weapon system, and puts forward the requirements for using the gun under army conditions

    文摘:針對某型自行火炮實擊中戰斗室藥倉內半可燃藥筒起火燃燒事故,通過對可燃藥筒完全燃燒的理論分析和火炮抽氣裝置結構效率分析以及可能影響藥筒燃燒的其他因素分析,提出武器系統及可燃藥筒改進意見,並對部隊條件下的使用提出了要求,對改善裝備性能,預防事故發生具有重要意義。
  12. Seismic survey is a new method used to civil engineering area in recent years. it was widely applied to survey or detecting of roadbase, dam base, foundation of building, tunnel, river bed, lake bed and etc. the chief methods are reflection method, refraction method, wave velocity testing, surface ware survey and transverse wave suivey. seismic survey can divide different layer, measure the incidence of sediment stratum, detect the structure of rock, test the handle effect of surface wave survey, we can calculate the carrying capacity of foundation and other mechanical parameters. this technique can give service to some big engineering departments such as highway developing company, survey design company, water supply company, plan bureau, construct bureau etc

    應用於工程的主要方法有反波法折波法波測井面波法及橫波勘探等。地震勘探能詳細劃分地層高精地確定沉積地層的傾角能夠準確探明巖體構造褶皺斷層破碎帶裂隙帶對于回填工程路基壩基,地震勘探可以檢測其回填處理效果對于隧道工程,可以探測隧道洞體的圍巖分類及洞口地質情況利用面波勘探所得到的瑞利波,可以準確推算地基的承載力動模量等力學參數。
  13. The theory of the simulation is that, firstly put fuze and parts in simulation device in reverse, then fire them in high speed by air gun, and they fly into gun spinning quickly and impact cushion and brass block in it, negative acceleration because of impact is to simulate setback, meanwhile they spin with spin gun when impacting, so spin environment can be simulated, so the simulation system can stimulate setback and spin of fuze in fire

    該模擬系統的原理是將引信及其零部件倒置在模擬丸中,通過空氣炮以高出去,然後飛入高旋轉的旋轉管內,與旋轉管內的緩沖塊和黃銅塊碰撞,碰撞而形成的負加作為引信發時受到的后坐,由於碰撞時與旋轉管一起旋轉,模擬引信發時的旋轉環境,達到模擬引信發后坐與旋轉環境的目的。
  14. As well as a missile launch, yesterday ' s flight involved mid - air refuelling and a low - level pass just 200 yards above the sea ' s surface at 560mph

    除了導,昨天普京總統還參加了空中加油、超低空飛行等軍事演習,飛機曾經以560英里每小時的在高出海平面僅200米的地方飛過。
  15. Vibration of tank gun in the process of firing is one of the main factors that affect its firing accuracy, especially the instantaneous angular motion and the instantaneous linear velocity at the point of gun muzzle when the projectile leaves the barrel bore

    影響坦克炮擊精的主要因素之一是火炮振動,起關鍵作用的振動分量是在丸出炮口瞬間炮口振動角位移和橫向線
  16. In this paper, we not only analysed the different effects of the disturbing gravitation on the trajectories of different ranges, but also discussed shortcomeings of the spherical harmonics model by which the external gravitation potential of the earth is shown usually. when the model is applied directly to the calculation of the trajectory, since the recurrent calculation can not be avoided, an increase in orders of model will result on a decrease in the speed of calculation

    本文重點分析了擾動引力對不同程導的落點偏差的影響,並且討論了原有計算擾動引力的球諧函數法在計算上的缺陷(由於勒讓德函數的遞推計算,使得隨著模型階數的增加模型的計算下降) ,然後對其進行改進使其能更好的適用於道計算。
  17. The second part brings forward a new ar - model - based arm detection method based on features of arm and characteristics of velocity and acceleration of the radar echoes. by establishing two - order ar models, this new detection method computes the poles of models representing different targets, thus estimates the acceleration of the targets so as to determine the nature of the targets. furthermore, this method can not only be applied when the arm is being tracked by radar, but also be put into use in radar ’ s seeking and scanning times

    第二部分則是根據反輻( arm )的特點及其雷達回波信號中、加等特徵,提出了一種新的基於ar模型的arm檢測演算法,該方法通過建立二階ar模型、估計代表不同目標的模型極點,並由此估算目標加來判斷目標性質,該方法不僅可以在雷達已跟蹤上arm后採用,而且適用於雷達搜索掃描時使用,模擬結果表明該方法具有解析高,對雷達脈沖重復頻率( pulserepetitionfrequency , prf )及積累脈沖數要求不高的特點,在低的prf及少的積累脈沖下,利用該方法仍可有效地識別檢測arm 。
  18. It can be seen from the deformation courses of the tubes that the local dents firstly occur at the beginning of impact. with the growth of the dents, the stiffness decreases, and the rigid - body translations and the whole deformations take place. the initial kinetic energy of the missile decreases rapidly to approximate zero during the course of impact, and the energy is transferred to internal energy and kinetic energy of the tube

    同時,也得到了一些實驗中沒有觀察到的現象:從模擬的管梁的變形歷程可以看出,在沖擊瞬時,管梁先發生局部凹陷,隨著局部凹陷的加大,管梁的抗彎剛減小,然後太原理工大學碩士學位論文剛體平動和整體變形發生,而且越大,這種現象越明顯;子的入動能在撞擊過程中急劇減小,撞擊結束后減小到可以忽略不計。
  19. Objects grazing the ergosphere could in some circumstances be catapulted outwards at great speed, extracting energy ( and angular momentum ) from the hole, hence the name ergosphere ( " sphere of work " ) because it is capable of doing work

    擦過能層的物體就會在某個情形下以極大的出去,從黑洞里提取能量(與角動量) ,因此叫能層( 「做功的球)因為它有能力作功。
  20. The corresponding variation of olltput voltage due to the change of total laser intensity is measured by a photo detector. a displacement - time curve can be obtained by calibrating the re1ationship between block position and output voltage of the photo detector. through the use of simple mathematical operation, the bird - shell velocity and acceleration histories can be determined, and therefore the bird - shell instantaneous velocity at any points within the measurement range can be obtained

    該系統發的一片狀激光受運動鳥的依次阻擋后,相應的光強變化將被測出並轉換為位移時間曲線,經過簡單的數學運算,該系統能用來確定鳥和加的時間歷程,因而可確定鳥在被測區域內任一點的瞬時
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