模擬彈頭 的英文怎麼說

中文拼音 [dàntóu]
模擬彈頭 英文
dummy warhead
  • : 模名詞1. (模子) mould; pattern; matrix 2. (姓氏) a surname
  • : 動詞1. (設計; 起草) draw up; draft 2. (打算; 想要) intend; plan 3. (模仿) imitate
  • : 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
  • 模擬 : imitate; simulate; analog; analogy; imitation; simulation模擬艙 boilerplate; 模擬電路 [電學] circ...
  1. Simulation for target image - point scanning of ir aam seeker

    某型紅外空空導導引目標像點掃描研究
  2. In view of bearing capacity of the elastoplastic theory analysis, the author made a comparison between the achieved bearing capacity limit load pi / 4 of round base ( space problem ) and the limit load pi / 4 of bar groundwork foundation design ( plane problem ) from soil mechanics at home and abroad as well as foundation criterion, and explained why the value of formula in present design criterion from soil mechanics is inclined to be conservative. in the light of the author ' s many years experience of vibration test on the spot and the research work of relevant projects, the author worked over the dynamic pile testing of the bearing capacity of foundation and batholith, and gathered the parameter of dynamic analysis and testing. the author also talked over the difficult point of pile foundation design criteria in present batholith engineering world, i. e. the confirmation of batholith bearing capacity of pile end, from the following aspects : a ) confirmation of single axis counter - pressure strength of rock in house ; b ) f. e. m calculation of elastoplastic model ; c ) calculation of soil mechanics ; d ) deep well load test

    然後,對巖土工程領域至今尚未解決,甚至不為人注意的考慮地基變形的地基承載力問題進行了實用化的探討,提出了考慮地基變形的地基承載力上程計算方法;對基於塑性理論分析的地基承載力國內尚未見報道的空間問題得到了圓形基礎(空間問題)的承載力界限荷載p _ ( 1 / 4 ) ,並與國內外土力學專著及地基基礎設計規范中的條形基礎(平面問題)的界限荷載p _ ( 1 / 4 ) ,進行了對比,從而定量上解釋了目前設計規范引用土力學承載力公式值偏於保守的這一情況;根據本文作者多年從事現場地基工程振動試驗及相關課題的研究工作,本文以截地基,對地基(巖基)承載力的動測法進行了研究,為各類地基(包括巖基) ,匯總了動力分析和檢測川的參數:針對日前巖土工程界應用樁基設計規范中的難點? ?樁端巖基承載力的確定問題,從巖石室內單軸抗壓強度確定、基於塑性型的有限單元法計算、土力學計算及深斤載荷試驗四方面進行了深入討論;本文作者根據多年現場載荷試驗的工程實踐,對深井荷試驗裝置的核心部分? ?反力裝置,設計了側壁支撐反力加載系統,該加載系統具有實用、簡便、穩定及安個等優點。
  3. In analyzing the neutron active detection, the neutron multiplication in the nuclear warheads induced by outer neutron source with different neutron energys is studied with numeral simulation, and the feasibility of through counting neutrons to determine the presence of high enrichment uranium ( heu ) in nuclear warhead has been proved. the method of detecting the warhead which contains heu pit by counting the released neut rons whose energy is higher than that of source neutron is studied. the feasibility of this method has been studied

    對幾種主動探測核方法進行的研究中,首先對不同能量各向同性外源中子照射核的中子增殖行為進行了數值,檢驗了用外源中子照射核后,通過測量瞬發中子在核中的增殖量,來證明核中高濃鈾存在的可行性;研究了用能量低於1mev的外中子源照射核,用測量核中裂變產生的高於源中子能量中子數的方法探測核,通過數值分析了可行性。
  4. This paper analyzes the characteristics of rainfield and raindrops, gives - formulae to calculate falling velocity of raindrops, studies the frequency of raindrops hitting detonating area of fuzes head on ballistic trajectory based on the theory of exterior ballistics and uses statistical theory to study methods of rainfield simulation

    本文分析了雨場和雨滴的各種特性,給出了雨滴降落速度的計算公式,利用外道學的理論研究了引信部觸發區在道上與雨滴碰撞的頻率,同時還採用統計學手段對雨場的方法進行了研究。
  5. The following conclusions are gained : ( 1 ) the located shear band prongs the ligament near the top crack tip and the structure may occur shear - mode fracture at the angle of 155 ? to crack when load is 87. 92mpa ; the mode of fracture of the flange joint structure is not possible to be void - mode ; ( 2 ) it is proved that loading and then unloading repeatedly can not increase the possibility of invalidation of the structure when the times of loading and unloading are not too more when load is operating pressure ; the structure is safe when the vessel is operating ; ( 3 ) in the fe model of the thesis, not considering the influence of water pressure test which is in the process of fabrication of vessel in fe results in larger deviation in analysi

    得出了以下結論:在8792mpa的載荷下筒體一封連接結構處的集中剪切帶貫穿韌帶,可能發生沿與原裂紋線成155 「角方向剪切型斷裂;筒體一封連接結構不可能發生韌窩型斷裂; ( 2 )在工作壓力下進行次數不多的反復加、卸載,結構不會破壞,也不會喪失安定性:結構在工作狀態下是安全的; m在本文的塑性有限元計算中,對于裂紋尖端進行力學分析時,不考慮壓力容器製造過程中水壓試驗的影響,將導致計算結果出現較大的偏差; ( 4 )筒體完全屈服時的載荷為92石3mpa ,封完全屈服時載荷為86
  6. The results show that the method is better than the method of counting prompt neutrons in distinguishing real and fake nuclear warheads

    數值表明,這種方法比計數瞬發中子總數有較大的優點,可用來探測鈾為芯的核
  7. Simulation method of ir image seeker for guided missile

    紅外成像制導導導引方法研究
  8. Staff at lawrence livermore say it takes their best computers six weeks to simulate what happens inside a warhead when it is going off

    勞倫斯-利弗莫國家實驗室的研究員講道,他們花了六個星期的時間用最好的計算機來爆炸時內的變化。
  9. In numeral simulation of passive neutron detection, it is proposed to use the iterative calculation in analyzing the neutron multiplication in nuclear warhead. on this basis, the mass of the plutonium pit could be obtained under some conditions

    在被動中子探測數值中,提出在確定了核的泄漏中子計數后,採用迭代方法計算中子在核型中的增殖,由此在一定條件下可實施核質量屬性的反演。
  10. 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,研究了反艦導與艦船的對抗問題,建立了艦船運動型、艦載輻射源型、艦載電子干擾實體型以及海戰中艦船的干擾實施型;同時,建立了復合制導反艦導主被動復合導引型、反艦導的運動型以及導制導規律型。
  11. A simulation of an imaging infrared guidance missile tracking a airplane is described. the dynamic images are produced by programming and are merged with real background ir images which were recorded by infrared camera. the merged images simulate the scene ' s infrared image at the entrance of real seeker

    本文主要探討了動態紅外圖像的計算機生成技術,了紅外成像制導導跟蹤飛機目標的全過程,用軟體編程實現了目標動態紅外圖像的生成,並與紅外攝像機拍攝的真實背景紅外圖像進行合成,出真實導引視場中場景的紅外圖像。
  12. In this paper. the question of compound guidance about mid - long range air - to - air missle to be considered. the main contributions are as follows : first, two midcourse guidance laws are given. that is optimally predictable pn micourse guidance, which is suitable for middle range missle, and singularly perturbed midcourse guidance. which is suitable for long range missle guidance ; then two terminal guidance laws are given. that is variable structure guidance, which is suitable for passive radar guidance. and optimal guidance which is suitable for active radar guidance ; and then the error sourses of hand - off are researched, the hand - off law is given at the time ; fmally, the midcourse guidance laws and terminal guidance laws are tested by simulation, and the whole trajectory simulation are given through hand - off law, and the results are satisfied

    主要工作如下:首先研究了用於中遠程空空導復合制導的兩種中制導律,即用於中程導的最優預測比例導引中制導律和用於遠程導的奇異攝動中制導律,它們均有很好的中制導性能,能夠滿足中末制導的交班要求;接著研究了兩種末制導律,即用於被動雷達末制導的變結構制導律和用於主動雷達導引的最優末制導律,均適用於復合制導末制導段;然後分析了中末制導的交班誤差源,討論了用於復合制導的交接律;最後通過,驗證了提出的中制導律和末制導律,結合提出的交接規律,在不同的情況下對中末制導段道進行了驗證,結果證明文中提到的中末制導律能夠達到性能指標要求。
  13. To improve interceptor ' s tracking & aiming precision, it is necessary to make qualitative analyses and quantitative measurements about the ao effects related to the interceptor ' s seeker in the high speed real gas, and establish a set of ground simulation / test methods to test the ao effects and its calibration mechanism

    為了提高攔截的跟蹤瞄準精度,必須對攔截導引在高速真實氣體環境下的氣動光學效應進行定性分析和定量測量,並建立能滿足氣動光學效應與校正機理研究的地面測試方法。
  14. In this thesis, the author combined the theory analysis and the finite elements analysis to study the vibration performance of the elastic arm. found the natural frequencies and the modal shapes of the elastic arm of 1 inch hdd around the working frequencies

    本文通過理論分析和軟體相結合的方法,對微硬盤磁性臂的振動特性進行了研究,找到了一英寸微硬盤磁性臂在工作頻率附近的固有頻率和態振型。
  15. In this paper, by neutron radiation detection with the passive method, the study on detectability, neutron spectra, etc. for the plutonium combined systems including the stimulated nuclear warhead assembly are introduced

    摘要介紹了通過探測中子輻射,用被動方法研究了包括裝置在內的各杯組合系統的可探測性和中子能譜等內容。
  16. And the displacement control of the leaf spring center was transferred to the displacement at load point. then after the load step options configuration, the leaf spring stress circulation under cycle loadings was calculated. the model was validated by the result compare between the rigid extracted from the simulation results and the one out of the rigid test of the leaf spring

    使用加載和簧片的接觸行為來加載狀況,並將對簧片中心的變形控制轉換為對加載點的位移約束,然後利用載荷步選項配置完成一個載荷循環,由此計算出加載階段下鋼板簧內部的應力循環。
  17. Then the author gives emphasis to the analysis of the elastic arm in microdrive, builds the simplified continuous model, analyzes the model with vibration theory. the natural frequencies and modal shapes are deduced. the author builds discretized models of a few structures of the elastic arm, simulates the influences of the structure with ansys software

    接下來,重點對微硬盤磁性臂進行了分析,建立了簡化的連續系統型,並用振動理論來分析該系統,求取其固有頻率和態振型,並對微硬盤磁性臂的幾種結構進行了離散化建,分析了這些結構對整體特性的影響,並用ansys有限元軟體進行了
  18. The method of numeral simulating the coincidence neutron detection is proposed with combining the neutron transportation and probabilistic calculation. the method is introduced and used to simulate the nuclear warhead induced fission by source neutrons with energy below 1 mev

    推導並提出用中子輸運計算與概率方法結合計算符合中子計數,對能量低於1mev的外源中子照射核誘發裂變的符合中子測量作了數值
  19. The following work has been done in this paper : the load characteristic and design calculation method of spring are systematically studied. the method of using assembled springs to simulate flexible joint is presented, and then the structural configuration of simulation joint is given. the method above - developed can be used to calculate the parameters of the simulation joint on the given load and displacement conditions

    主要內容包括以下幾個方面:從簧的受力特性出發,系統地研究了簧的受力及設計計算方法;通過受力特性分析,提出了採用簧組合的形式來柔性接的設計方法,並給出了的設計形式;結合理論方法,開發了能夠用於給定載荷和位移條件下計算所需參數的應用軟體,並給出了參數設計的算例。
  20. Through numerical simulation, the effect of distance between two stations, original deformation and young ' s modulus of soil on the regularity of station displacement is studied and some available conclusions are achieved

    通過數值分析,研究了張楊路地鐵車站基坑開挖時新舊兩車站間距、源變形、土體量三個因素對在運營車站變形的影響,從而得到一些有用的結論。
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