相對彈道 的英文怎麼說
中文拼音 [xiāngduìdàndào]
相對彈道
英文
relative trajectory- 相 : 相Ⅰ名詞1 (相貌; 外貌) looks; appearance 2 (坐、立等的姿態) bearing; posture 3 [物理學] (相位...
- 對 : Ⅰ動詞1 (回答) answer; reply 2 (對待; 對付) treat; cope with; counter 3 (朝; 向; 面對) be tr...
- 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) ...
- 相對 : 1. (面對面) opposite; face to face 2. (非絕對的) relative 3. (比較的) relatively; comparatively
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The tracking law of ballistic trajectory is leaded by infrared camera of the early - warning satellite
推導了預警衛星紅外相機對彈道導彈的跟蹤規律。Because of its extensive application and underdeveloped research level in our country, this paper establish the numerical model of blank cartridge ejecting device, the whole process from blank cartridge burning to eject missile is analyzed by classic interior ballistic theory and gas dynamics. several simulation examples are given, and the effect of different parameter structure on ejecting device is discussed
鑒于這類系統在我國的廣泛應用與相對滯后的研究水平,本文針對三種類型五種型號的掛彈鉤建立了拋放彈彈射機構的數學物理計算模型,用經典內彈道和氣體動力學理論分析了火藥彈燃燒到彈射活塞完全推離懸掛物的整個過程。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。Orbiting satellites were better at spying on enemies than wayward reconnaissance drones, and rockets destroyed targets more reliably than temperamental flying bombs did
按軌道運動的衛星比難以駕馭且以監控為主的無人駕駛飛機更好地偵查敵情,而且相對於我行我素的自動導航導彈而言,用火箭來毀滅目標更具可靠性。The simulation of the terminal guidance procedure is carried out, and the results verified the conclusion that the interceptor can hit the target directly. at last, the effect of flight path angle error on interception performance is analyzed in detail
在此基礎上進行了動能攔截器攔截過程模擬,驗證了動能攔截器能夠直接碰撞命中彈道導彈的結論,並詳細分析了在不同相對距離的初始條件下,航向誤差對攔截性能的影響。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。They are applied to different situations and verified by experiments. analysis model of small ap oblique penetrating ceramic / metal light armor is established on the basis of energy model and the assumption of ellipse absorbing the same energy in back plate, giving the predictable formula about ballistic limit velocity. with energy model the optimization design in relation to ceramic / metal light armor is analyzed and the optimal coefficient of ceramic / metal composite armor is gained
本文的主要研究內容如下: (一)建立了小型穿甲彈垂直侵徹陶瓷/金屬輕型裝甲的動量模型和能量模型,它們分別適用不同情況,並通過試驗驗證;基於能量模型和背板橢圓吸能相同假設,建立了小型穿甲彈斜侵徹陶瓷/金屬輕型裝甲的分析模型,給出了彈道極限速度預測公式;利用能量模型對陶瓷/金屬輕型裝甲的優化設計進行了分析,給出了陶瓷/金屬復合裝甲的最佳優化系數。Associated with a project of the planned xuefengshan tunnel with 7. 6 km long during the construction of shaoyang to huaihua expressway in hunan province of shanghai to ruili national trunk highway, this paper firstly makes an introduction of the frequently - used analysis & computation methods for tunnel supporting structure. then, based on the analysis of the basic theory about the interaction mechanism of surrounding rock and support structure, a spatial computation model is made, a coupling numerical computation method with 3 - d elastic - plastic finite element and infinite element is proposed, and a comprehensive analysis has been made to the effects of the overall stability and safety of the surrounding rocks of different characteristics, different classes and under different construction methods. and thus the problem of 3 - d infinite region to which applying the general finite ca n ' t do has been resolved
6公里的雪峰山隧道工程,首先介紹了隧道支護結構的常用分析計算方法;然後通過對隧道施工過程中,洞室穩定性與支護結構相互作用機理的深入分析,建立了隧道施工過程的空間計算模型,提出了採用三維彈塑性有限元-無限元耦合的數值計算方法,綜合分析了隧道在不同圍巖特性和圍巖類別條件下,以及不同施工開挖方案等對隧道圍巖整體穩定和安全性的影響,從而解決了通用有限元方法難以解決的隧道三維無限域問題;其可充分發揮有限元法在分析非線性方面的有效性和成熟性,以及無限元法在分析處理無限域和半無限域方面的精確性和簡便性,為隧道施工過程中圍巖的穩定性分析開辟了一條新的途徑。The coating processes and quality checking methods for low temperature coefficient coated high - energy nitroamine propellant have been studied based on the experiment data treatment and comparison of ltsc propellant combustion properties in closed vessel with that in gun, we found that there are some combustion functions in closed vess el are similar to that in gun
通過對低溫感硝胺火藥在密閉爆發器和火炮膛內實驗數據的處理與比較,找出了其在爆發器和火炮膛內燃燒特徵相似的一些函數關系式,為利用密閉爆發器試驗模擬火炮彈道性能提供了基礎。The double - color method and theory for stereodisplay of the torpedo ' s trajectory are presented in this article. program which is using the programming language of visual c + + 6. 0 + mfc + opengl has been compiled. in this program, torpedo can be displayed in stereodisplay mode, which can be controlled adapting to the changing of time and space
本文提出了魚雷彈道雙色立體顯示技術,系統的介紹了魚雷彈道立體顯示的原理和方法,並採用visualc + + 6 . 0 + mfc + opengl軟體結構編制了相應的程序,使魚雷最終能夠直觀的,以圖象信息表示出其隨時間和空間變化過程,即以立體圖象呈現在研究者面前,從而能夠更為方便地模擬和計算,對魚雷彈道的研究和設計具有十分重要的意義。The paper aims at the special measure demands of external trajectory test in the conventional weapon experiment range, which is based on gj - 321 precise tracking trajectory measure system and combined with relevant measure devices, puts forward a new thought ? etwork real - time intersection measure
本文針對常規武器試驗靶場的外彈道試驗任務的特殊測量要求,以新一代精密跟蹤彈道測量系統為中心,結合其它相關測量設備,提出了完成試驗任務的一種測量思想? ?網路化實時交會測量。In the air combat simulation, since the system runs in the way of time frame cycle, the flying locus of the weapon, such as missile, changes as a dispersing function, and its movement is much faster than the target ( moving or static ) comparatively, so some errors emerge when the collision test is calculated between the weapon and the target
摘要空戰模擬中,由於模擬系統採用時間幀周期方法調控系統的解算,致使導彈等武器的飛行彈道呈離散函數變化,而導彈等武器的飛行相對于靶標(運動或靜止)是一個快速運動,這樣,武器與靶標的碰撞解算就會引出很多誤差問題。Firstly, the author, in this essay, has proceeded from the compiling principles of the trajectory report and the actual situations of the field troops, analyzed the defects and shortcomings of the present compilation of the trajectory report, and described systematically the principles and procedures of computing the layer power by the methods of statistical analyses. thereupon, a complete model of computing the layer power has been established and the computation results of the proximate layer power have been found out by simplified process. secondly, the comparison computation has been conducted in accordance with the paired projectiles of 122mm, 152mm and 155mm guns equipped in our army, and test and analyses of the research results have been carried out
論文中,作者首先從彈道通報的編制原理和部隊的實際使用情況入手,分析其缺陷,進而結合統計分析的一般方法系統地描述了計算層權的原理及過程,建立了計算精確層權、近似層權的完整模型,並通過計算與統計,詳細給出了專用及通用近似層權的計算結果,然後針對我軍裝備的122mm 、 152mm 、 155mm彈丸進行對比計算,對研究結果進行了檢驗與分析;最後,針對計算機氣象通報的特點,論證了對其作進一步改進的可行性與必要性,提出了相應的措施。Mixed weights cgpc is constructed for constrained cgpc, which has advantage in simplicity and efficiency. performance of ballistic missile ’ s servo system is improved by approximate constrained arithmetic. the effect of side force on stability of spinning missiles is studied by routh criterion, which proved to be more universal than others ’ work
針對線性角運動模型,直接採用勞斯方法,與前人工作相比具有更好的通用性和精確性;藉此方法近似分析了側向力對自旋彈道導彈穩定性的影響;研究了內模控制在彈道導彈姿態穩定系統中的應用。In this dissertation, based on the dynamic similitude theory and the similitude theorem, the artillery full parameters similitude relationships of the internal ballistics, the artillery intensity, the artillery dynamic, the major artillery components, and the emplacement soil were established. the mutually relationship of all parameters in the system was established. the full parameter artillery physical simulation theory was firstly established
本文以力學相似理論為基礎,利用相似定理,對火炮內外彈道、火炮強度、火炮動力學、主要功能部件、炮位土壤建立了火炮全參數相似關系;確定了全系統各相似參數之間的相容性;首次創建了火炮全參數物理模擬理論。( 3 ) through numerical simulation and compution on model of two - phase flow, analysis is done on pressure distributing in the chamber of gun for balance
( 3 )應用兩相流彈道模型的模擬計算,對膛內壓力分佈進行分析。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。In this paper the model of pill flying outer ballistic trajectory is established, and the aerodynamic force calculating method is given. the author set forth the relation of small caliber gun currency firing table and ballistic trajectory consistency, and give testing relation formula of small caliber gun cartridge ballistic trajectory consistency ; at the condition of navy 37 millimeter gun, the design of improved shrapnel currency firing table project is studied ; the data of shooting experimentation is analyzed, and have contrast analysis with theory calculating result. give better improved shrapnel project, and the ballistic trajectory consistency experimentation show that the project satisfy the request of the ballistic trajectory consistency
本文應用了彈丸飛行時的外彈道模型並結合彈丸的氣動力計算方法,分析了小口徑艦炮通用射表與彈道一致性的關系,並給出了小口徑艦炮彈藥彈道一致性的檢驗關系式,研究了在海37艦炮的條件下對改進榴彈通用射表方案的設計,進行了對空射擊試驗數據的分析,並與理論計算結果進行了對比,給出了相適宜的改進彈方案,並經彈道一致性試驗驗證該方案滿足彈道一致性要求。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。分享友人