特定彈道 的英文怎麼說
中文拼音 [tèdìngdàndào]
特定彈道
英文
specified trajectory- 特 : Ⅰ形容詞(特殊; 超出一般) particular; special; exceptional; unusual Ⅱ副詞1 (特別) especially; v...
- 定 : Ⅰ形容詞1 (平靜; 穩定) calm; stable 2 (已經確定的; 不改變的) fixed; settled; established Ⅱ動詞...
- 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) ...
- 特定 : 1. (特別指定的) specially appointed; specially designated 2. (某一個) given; specified; specific
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For the rod penetrators used for 30mm naval gun, the structures, the ballistic performance, the penetration and their design are studied systematically. in the paper, the reasonable design of sabot and projectile core is presented and the influence of various factors on ballistic performance of rod penetrators is analyzed. additionally, the optimum design techniques in exterior ballistics for the small caliber fin - stabilized and sabot discarded penetrators are developed
本文對海30艦炮適用的桿式脫殼穿甲彈的結構特性、彈道特性、穿甲威力及設計方法進行了系統研究,提出了合理的彈芯結構和彈托方案,研究了各種因素對桿式穿甲彈外彈道性能的影響,建立了一套小口徑尾翼穩定脫殼穿甲彈外彈道優化設計方法,並利用該方法在一定的戰術技術要求下對海30艦炮尾翼穩定脫殼穿甲彈進行了優化設計,得到了優化方案,研究結果對海30艦炮以及同類小口徑火炮桿式穿甲彈的設計有重要的指導意義。The only maritime force in asia with submarine - launched ballistic missile ( slbm ) capability, china is configuring its naval force levels around two aircraft carrier groups, with several new inductions ranging from nuclear - powered " type 093 " attack submarines to stealth frigates
擁有亞洲唯一具備用潛艇發射彈道導彈海上力量的中國,正設定其海軍實力要達到的水平是擁有兩個航母特混群,以及包括從核動力的093攻擊型潛艇到隱身護衛艦在內的多艘新造艦艇。Besides, this paper adopts the random finite element method, uses geometric and physical mechanical parameters that are relevant to lining weight of surrounding rock, coefficient of lateral pressure, height or buried depth of vertical loading, elastic resistance coefficients of surrounding rock, elastic modulus of support structure, unit weight of concrete, thickness of the structure as well as torsional strength and compression strength of concrete and etc., as random variables, applies the monte - carlo method to sampling by computer, preliminarily evaluates the reliability of bearing capacity and stability of molded concrete lining of the xuefeng mountain tunnel, and obtains the related displacement of the lining, mean value and variance of internal force, and computed the reliability index of lining structures
此外,本文採用隨機有限元方法,將圍巖容重、側壓力系數、垂直荷載高度或埋深、圍巖的彈性抗力系數、支護結構的彈性模量、混凝土容重、結構的厚度以及混凝土的抗扭與抗壓強度等與襯砌結構有關的幾何與物理力學參數作為隨機變量,應用蒙特卡洛理論進行計算機隨機取樣,對雪峰山隧道模注混凝土襯砌的承載力與穩定性的可靠度進行了初步評估,得出了襯砌的相關位移與內力的均值和方差,並計算出了相應的襯砌結構可靠指標。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。The technology, which is developed on the basis of perfora ting techniques for oil wells and cement injection techniques, can not shoot thr ough the frozen pipe wall at predetermined ground location using energy - gatheri ng - blasting techniques, but also consolidate shaft wall rock by cement injectio n and filling along the frozen pipe and perforated hole s trajectories, achievi ng leakageproof of shaft walls and reducing vertically - added force
它利用聚能射孔爆破技術,在預定地層位置將凍結管射穿,同時在地面利用凍結管及射孔彈道對特定地層進行注漿充填加固,既可實現井壁堵漏,又能減少由於地層沉降對井壁的垂直附加力。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彈道極限速度的預測公式;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/復合材料靶板抗彈性能分析模型,給出了彈道極限速度預測公式;最後,利用應力波反射和透射理論討論了陶瓷/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,給出了在一定面密度下的最佳優化系數,討論了一定彈道極限速度下的面密度和厚度隨優化系數的變化關系。Aiming at the high - speed impact characteristics of fuze pressure sensor when the percussion of the projectile, according to the requirement of developing fuze pressure sensor, the method of anti - ballistic simulation was adopted to design a suit of performance measuring device it could dynamically calibrate and simulate the process of collision between the projectile and the targets at the different angles and speeds
摘要針對引信壓力傳感器在彈丸著發時處于高速沖擊狀態的特點,根據研製引信壓力傳感器的要求,採用反彈道模擬的方法,設計了一套既可對傳感器進行動態標定又可模擬彈丸以不同著角、不同速度碰撞目標時對傳感器進行性能測試的裝置。Influence of aerodynamic parameters on the trajectory characteristics of finless - aerial - bomb
氣動參數對無安定器航彈彈道特性的影響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。Technological innovation is the development of enterprises in the last word, i have always maintained the secretary rise in special wallssevered the forefront of the core system, in 2000, the high - intensity of my invention cesium potassium glass chip. test success has been on the market seven years, 2007 to special ( fire ) glass wallsindoor fire glass partition, fire glass window design, construction and 10 years of deep - processing glass curtain wall designconstruction and constantly sum up experience and experiment, glass walls severed system to fire. high temperature must be within the framework of anti - bomb material support fixed glass in the event of fire. at the time of the explosion have enough time to ensure the integrity of the entire system. bullet - proof glass or glass does not fire in a short period of time due to damage fixed framework, a glass panel fell off, lost the fire or bomb - functional
企業不斷的技術創新是我們發展的硬道理,也是我司一直保持林立於特種幕墻、隔斷系統前沿的核心, 2000年,我司發明的高強度單片銫鉀防火玻璃,經試驗檢測成功推向市場以來已有7個年頭,七年來特種(防火)玻璃幕墻、室內防火玻璃隔斷、防火玻璃門窗的設計、施工及十多年來的玻璃深加工,幕墻設計、施工及不斷的經驗總結和試驗,玻璃幕墻、隔斷系統要防火、防炸彈沖擊波必須要有耐高溫高強度的框架材料固定支撐玻璃,在一旦發生火災、爆炸的時候要有足夠的時間保證整個系統的完整性,不至於防火玻璃或防炸彈玻璃在短時間內由於固定框架破壞,而玻璃脫落,失去了防火或防炸彈的功能。Based on the hydrodynamic, by using momentum theory to the liquid in the flow channel, the computational formula of the air exciting - vibration force is acquired. by using four - step runge - kutta method, the periodic response results of the elastic rotor system with one single - disc are gained. then the dynamic characteristics of the rotor system at the certain rotate speed and the certain physic parameter of system are analyzed by using the phase spaces and poincare maps of this system
基於流體動力學,通過對葉片流道內的流體模型應用動量定理,得到此汽流激振力模型,並採用四階龍格庫塔法,得出了單盤彈性轉子系統的周期響應規律,然後根據系統的相軌跡及poincare映射圖,分析了系統在特定轉速及特定的轉子系統參數下的運動特徵。Indirect firing is mainly in solving method of ballistic eguatron and how to realize the resolution of firing data and auto - loading data ; the direct firing is the major part. the article has analyzed the short comings of traditional fighting method and has given us the definite method of firing data of semi - direct firing and lateral lead, especially the completely analyzing to the revising guestion which is considered and has raised the solving method ; the article has also given us the resolution method on the different influence which shipped gun should considered and on the movement of boat and warship
間瞄射擊主要在彈道方程的解法和如何實現射擊諸元的解算和自動裝定;重點在直瞄射擊,文中分析了傳統戰法的不足,給出了直瞄射擊、半直瞄射擊的射擊諸元和方向提前量的確定方法,特別是對應予考慮的修正問題進行了全面的分析,提出了解決的辦法;對船載炮射擊應考慮的諸因素影響和船、艦的運動均給出了解算方法。By simulation of this autopilot on standard state point and special state points, this robust control system ' s high - speed response ability and good robust stability is validated. under this autopilot ' s control, the btt missile can fly stably along many trajectories in a large airspace. 3
通過對所設計的自動駕駛儀在標稱點和給定特徵點進行模擬試驗,驗證了所設計的魯棒控制系統能快速跟蹤指令信號,並具有較好的魯棒穩定性,能控制btt導彈在大空域內沿多條彈道穩定飛行。The characteristics of the method is that it can modify the guidance coefficients automatically according to the errors between the actual trajectory and the standard trajectory, this is the essential of the standard trajectory guidance. it don " t need any pre - knowledge of the coefficients, this simplifies the problem greatly. following that, the method of predicting the falling site of the instant retuning trajectory is studied
這一方法的特點是從反饋增益系數對再入段縱程偏差修正的本質出發,利用實際彈道和標準彈道的偏差,通過調節升阻比增量,不斷修正再入段縱程偏差,最終確定反饋增益系數;這一方法的優點是在求解反饋增益系數時,不必依賴先驗知識選取初值,使反饋增益系數的確定更為簡便。The interface technology of cartridge and rocket system is developed, specified and realized. the software integration of autocad, c language, ms office, the calculations of some characteristic parameters, the computations of interior ballistics and exterior ballistics is successfully realized. the database of models and methods is carried out also
論文主要研究了彈箭設計集成軟體系統的骨架和界面設計;彈箭數據庫的開發及設計;彈箭系統介面技術的開發、設定和實現; autocad 、 c語言、 msoffice 、特徵數計算、內彈道計算、剛體(質點)外彈道計算等軟體的搭載實現;模型庫和方法庫的開發等。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。The simulation results show that the btt missile ' s robust autopilot designed on a standard state point can make the btt missile fly stably along the whole trajectory, and has the ability of intercepting maneuvering targets
模擬結果表明:本文按給定空域內一個特徵點設計的btt導彈魯棒自動駕駛儀能控制btt導彈在該空域內沿全彈道穩定飛行,並具有攔截機動目標的性能。If we wish the btt missile fly stably and accurately along the whole trajectory with the autopilot designed on a special state point, we need to apply the multiple - variable robust design method to design the btt missile ' s autopilot
因此,如希望按一個特徵點設計的自動駕駛儀能夠控制btt導彈沿全彈道穩定、準確地飛行,就要利用多變量魯棒設計方法設計btt導彈的自動駕駛儀。One of its distinct character is inertial control and guide missile, which will calculate its ballistic trajectory when the launching point and target point had been fixed, and control system will ascertain it before the missile is launched
作為慣性制導的彈道導彈,其最顯著的一個特點是,當發射點和被打擊的目標一經確定,它的飛行彈道就可相應地計算出來,並在導彈發射前由導彈控制系統予以確定。The remote sensing imagery change detection can be categorized into three classes according to the aims of the processing : the change detection of the specific targets, such as changes of the airports, the bridges, the harbors, the missile bases etc. ; the change detection of the linear shape targets, such as changes of the roads, the airports, the buildings and the other linear targets whose outlines can be described by some lines ; the change detection of large area targets, such as the changes of the cover of some region, the development of the cities, the disaster evaluation of the floods and so on
遙感圖像變化檢測方法(簡稱變化檢測)根據處理目標要求可以分為三類:特定類目標的變化檢測,如機場、橋梁、港口、導彈基地等目標的變化檢測;線性體目標的變化檢測,如道路、機場、橋梁和一般建築物等目標的變化檢測;大面積目標的變化檢測,如某地域的植被變化、城市的發展、洪水災害評估等。本文系統地研究了基於模式識別知識檢測特定類目標、線性體目標和大面積目標變化的變化檢測方法。分享友人