法彈道學 的英文怎麼說

中文拼音 [fǎdàndàoxué]
法彈道學 英文
forensic ballistics
  • 法 : Ⅰ名詞1 （由國家制定或認可的行為規則的總稱） law 2 （方法; 方式） way; method; mode; means 3 （標...
  • 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） ...
  • 學 : Ⅰ動詞1 （學習） study; learn 2 （模仿） imitate; mimic Ⅱ名詞1 （學問） learning; knowledge 2 （學...
  1. 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；對基於彈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，本文以截頭錐模型模擬地基，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、基於彈塑性模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。
  2. Having combined external ballistics with gunnery and proceeded from the practical needs of the field artillery, the influence to the firing accuracy by artillery metro report and the improved measures have been studied and analyzed in this essay, thus having obtained a series of valuable and pragmatic conclusions which mean a lot in practical application

    論文結合外彈道學理論和炮兵射擊學理論，從地面炮兵的實際需要出發，具體研究了地面炮兵氣象通報對射擊精度的影響及改進措施，提出了建立我軍地面炮兵專用層權及通用層權的方法及改進計算機通報的措施，得出了一系列具有一定實用價值與相當指導意義的結論。
  3. This article analyzes and compares those math models and solutions such as " firing table method ", " firing table fitting method ", " ballistic data analytic method " and " motion differential equations of the projectile " used in different systems, and presents advantages, shortcomings and applicable occasions of those models

    就目前各系統所採用的「射表法」 、 「射表擬合法」 、 「彈道諸元解析法」 、 「彈丸運動微分方程」等數學模型、解算方法進行了分析、對比，給出了各種模型和方法的優點、缺點及其適用場合。
  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，利用外彈道學的理論研究了引信頭部觸發區在彈道上與雨滴碰撞的頻率，同時還採用統計學手段對雨場模擬的方法進行了研究。
  5. Firstly, the mathematical method, wavelet transform of random error processing and kalman filtering algorithm of system error estimation, is designated ; the process of development of wavelet transform and its present research is recommended ; and, the definition and development situation of real - time data processing and post - flight data processing of trajectory measurement data is summarized briefly

    首先指出了應用的數學方法，即處理隨機誤差的小波變換方法和估計系統誤差的kalman濾波演算法;介紹了小波變換方法的發展過程和國內外的研究現狀;綜述了彈道測量數據的實時數據處理和事後數據處理的概念和發展狀況。
  6. According to the measuremental data of the two ammunications, the anti - designed computation and analysis of aerodynamic characteristic, flight stability, exterior ballistic characteristic for the two ammunications are studied with the advanced methods of the exterior ballistics. using the monte calo algorithm, the statistic mathematical model about ammunication ' s intensity is established and the 1000 miter vertical target intensity and the fall intensity are discussed in detail for the two ammunications. the improval potential and the main technical approachs of these ammunication ' s exterior ballistic performances are presented by compositive optimal algorithm

    根據工廠對俄ak130艦炮彈藥的測繪數據，利用先進的外彈道數值分析方法對兩種彈藥的空氣動力特性、飛行穩定性特性、外彈道特徵量等進行了反設計計算分析；採用montecarlo方法，建立了艦炮彈藥密集度性能統計分析數學模型，對兩種彈藥的立靶密集度和地面密集度進行了詳細的計算分析；利用外彈道性能綜合優化設計方法對兩種彈藥的外彈道性能指標的改進潛力和主要技術途徑進行了分析。
  7. First, proper initial conditions between ekv and target are the premise of hit - to - kill. capture region is described by equations of relative motion defined in modified polar coordinate while phasetrajectory graph is introduced. and the disturbance of initial condition biase is analyzed by cadet through statistical linearization of ekv dynamical model

    本文在修正極點坐標系中建立攔截器和目標之間的相對運動方程，結合相平面軌跡圖，分析了大氣層外動能攔截器的攔截區;對大氣層外動能攔截器動力學模型進行統計線性化，採用協方差分析描述函數法，分析了初始狀態誤差對彈道的影響。
  8. Abstract : with simulated annealing approach based on simple method, the dynamic system of some submarine - launched missile carrier s water trajectory is identified, and the effects of no - modeling uncertainty and dimension of parameters to be identified on overall identification precision are investigated

    文摘:運用基於單純形的模擬退火演算法對某潛射導彈運載器水彈道動力學系統進行了辨識，並探索了未建模不確定性及待辨識參數矢量的維數對辨識精度的影響。
  9. In the second chapter, we explicate the theoretical knowledge, bayes statistic approach, which be applied in the paper, we show the definition of the prior distribution and how to select the prior information, we show the relation of prior distribution, conditional distribution and posterior distribution, we also show statistical inference approach and the key of how to use bayes statistic approach

    第二部分內容是本文應用理論知識的簡要闡述，介紹了貝葉斯統計方法的理論，分別說明了先驗信息的定義及如何獲取，后驗分佈、條件分佈和先驗分佈三者關系，統計推斷方法及貝葉斯統計方法應用的關鍵。第三部分內容是對坦克射擊學中外彈道學的修正理論作了簡要的介紹。
  10. As far as the system observation for accuracy evaluation of carrier rocket is concerned, there may exist different types of observed data and priors. heterogeneous information means that the different information describing the different characteristics of the same object. since all of the information is relevant to the same object, the fusion is possible. it is a key problem that how to fuse the heterogeneous information to obtain the better evaluation result. therefore, the different heterogeneous information and data is thoroughly studied, moreover, the mathematical description for information fusion of different parameter priors and data is constructed in this paper. based on their relationship between different parameters, indirect prior and observation data is transformed into prior in impact point observation space, which is fused with original prior by weight determined by maximum entropy rule to obtain the mixed posterior distribution. therefore, the test results can be given by combining posterior distribution and impact error observed data. then its application on evaluating guidance systematic error is elaborated as it applies trajectory tracking data, test value of coefficients of guidance instrumentation systematic error, impact point observation data and prior. especially, the advantage of this method lies in its application in case that guidance instrumentation systematic error may not be computed precisely. finally a detailed example on evaluation of carrier rocket is given to verify the theory

    為充分利用運載火箭觀測中的不同觀測空間和過程的信息來進行精度評估，針對該背景建立了異質先驗融合的數學描述.研究了飛行試驗中不同觀測空間和過程的異質先驗信息和數據，基於不同觀測過程的解析關系，將間接過程的先驗和觀測數據算出的后驗分佈轉換成落點觀測空間上的先驗，與原落點的先驗進行了最大熵加權融合，得到混合后驗分佈，從而結合落點觀測數據給出評定結果.在無法解算出精確的制導工具誤差系數的情況下，這種方法充分利用了彈道跟蹤數據、工具誤差系數的地面測試先驗值、落點先驗及落點數據，穩健性更好，準確性更高
  11. 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」 。
  12. It is shown that the results calculated using the ccdwa are agreement with one of the accurate quantum mechanics employing the same potential. quantum mechanical tunneling is important in near threshold, and classical trajectory calculation is not good for prediction of the cross sections. the reaction cross sections calculated using different potentials is different, which show that the investigation of reaction cross section can provide evidence for test of accuracy of the potential energy surface

    研究發現：勢能面相同時用ccdwa方法計算的截面和公認精確的量子力學結果比較符合；閾能附近的量子力學隧道效應較為顯著，準經典彈道方法不能很好的預言其截面；用不同勢能面計算的反應截面有差別，說明反應截面的研究能為檢驗勢能面的準確性提供依據。
  13. The mechanical characteristics of ballistic spring under high rotation speed were analyzed by analytical calculation and finite element methods, and the results from the two methods were compared

    採用解析法及有限元兩種方法分析引信彈道簧在高速旋轉狀態下的力學特性，並對兩種方法的計算結果進行比較。
  14. Then the author optimize the initiatory kinematics parameters of the segregator of the submarine launched missile carrier by the way of monte carlo and simplex. confirming the limit scope of the segregator of the submarine launched missile carrier when sinking

    然後利用蒙特卡羅法和復合形方法相結合的優化方法進行了分離體初始運動學參數的優化設計，同時對分離體下沉彈道的各項指標進行了優化計算。
  15. Visualization in scientific computation ( visc ) and software engineering ' s application is the core of this thesis

    科學計算可視化技術和軟體工程理論與方法在魚雷彈道設計和分析軟體開發中的應用是本文的核心部分。
  16. Secondly, aiming at measurement being only from one satellite and the ekf being not stable, the measure equation is improved. transforming the form of angle measurements by the imaging theory, linearization of measure equation is realized by fake data of measurement. parameter of ballistic missile trajectory is estimated by using ekf, and the simulation shows that the unstabilization problem of ekf with true measurements is solved by using ekf with fake measurements

    在僅有一顆預警衛星能夠觀測到目標的情況下，針對擴展卡爾曼濾波不穩定的問題，對觀測方程進行改進，利用光學成像系統的原理，將測量量進行變換，並利用新生成的偽測量量使測量方程線性化，再利用擴展卡爾曼濾波演算法對目標的彈道參數進行估計，最後，通過數學模擬來證明利用偽測量量的擴展卡爾曼濾波解決了單顆衛星觀測時利用真實測量量的擴展卡爾曼濾波不穩定的問題。
  17. The sub - optimal filter, which uses a 6 1 vector ( 3 position components and 3 velocity components ) as well as the corresponding covariance matrix to evaluate the performance of the filter, linearizes the original nonlinear system model and nonlinear observation model at their respective reference sample points

    這一濾波方法對高度非線性的動力學系統模型與觀測模型做了線性化近似處理，並選擇由彈道位置與速度分量組成的6維狀態矢量及其相應的協方差陣來評估系統濾波的效果。
  18. Davidson is a new - breed ranger. his laptop computer and cell phone are his most prized equipment. he studies the importance of ballistics and dna

    大衛森是個新時代騎警，電腦和手機是他最有價值的裝備，他對收集法醫線索的觀察敏銳，像在大草原里尋找模糊不清的獸跡一樣，他還研究彈道學和dna 。
  19. First, this paper will introduce the random factors affecting the trajectory, kallman filtering method, and the mathematic model that is used to process radar data processing and extrapolate the trajectory

    首先介紹了影響彈道的隨機因素、卡爾曼濾波方法、偵察及校射模式下雷達數據處理及彈道外推的數學模型。
  20. A mathematics model and its concrete approach are advanced which is an algebraic algorithm to determine the initial angle for resolving ballistic equation set and to determine the ballistic the coefficient and drift accurately and quickly

    提出了用代數的方法決定解彈道方程的初始射角的及快速、準確的決定彈道系數、偏流的具體方法和數學模型。
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