條形雷 的英文怎麼說

中文拼音 [tiáoxíngléi]
條形雷 英文
bar mine
  • 條 : Ⅰ名詞1 （細長的樹枝） twig 2 （條子） slip; strip 3 （分項目的） item; article 4 （層次; 秩序; 條...
  • 雷 : 1. （雲層放電時發出的響聲） thunder 2. （軍事上用的爆炸武器） mine 3. （姓氏） a surname
  1. By using the processing method of sliding time window, the problem of the periodicity range ambiguity is solved. meanwhile, the problem of range ambiguity which is produced because the range of target is biger than the maximum range of radar is also solved by using this method. then, the pulse width parameter which is the most important in the parameters of fmicw is analyzed. the stricter restrict is given to ensure the range spectrum has only one beat frequency after signal processing. at last this thesis introduces the different signal processing methods of fmpcw and fmicw

    同時利用該方法解決了fmpcw信號的由於目標距離超過雷達的最大單值測距范圍而引起的距離模糊問題。然後對fmicw波形參數中最為重要的脈沖寬度進行了分析，給出了更為嚴格的約束條件，保證了信號處理后距離譜峰值的唯一性。最後，分別介紹了fmpcw和fmicw信號的不同處理方式，並對兩者不同的時域濾波性能進行了比較，並對二者的差異進行了分析。
  2. On the basis of introducing the principle of the tf / ar radar, this paper analyzes the conditions of effectively jamming the tf / ar radar in typical tactical act of hedgehopping, which include the disposition and quantity of electron reconnaissance / jammer, calculates the capability request of equipments in the method of sensor / hand - emplaced jammer, and concludes that it is difficult to jam tf / ar radar at the present time

    摘要在介紹地形跟隨迴避雷達工作原理的基礎上，通過設定典型超低空突防飛機的戰術行動，分析了對雷達實施有效干擾所必須具備的條件，包括偵察干擾機的部署、數量要求等；並計算了在傳感器擺放（投擲）式干擾機模式下對裝備的性能要求，得出了在目前技術條件下，對地形跟隨迴避雷達實施干擾在技術和戰術上都是困難的。
  3. A i med at the badu ( k343 ) i arge seale i andslide in the nankun railway, geophysical exploration techniques such as seismic reflection of high resolution and geological radar are appi ied to detect the geologic characteristics of the landslide mass including 3d - conformation, perimeter, geometric parameters, si ippage pattern and distribution of displacement field in this dissertation. besides, acoustic method is used for detection of the former anti - slide piles and potency losing causations of the piles are analyzed and the sound geological conditions for upgrade of the piles are ascertained by the above investigations

    本文針對南昆鐵路八渡（ k343 ）大型滑坡，運用高解析度反射地震、地質雷達等地球物理探測技術對滑坡體地質進行了詳細的勘測，揭示了八渡滑坡體的空間形態、邊界與幾何參數、滑動方式以及位移場分佈特徵；同時，利用聲波探測對原抗滑樁進行了檢測，分析了失效原因，並查清了擬建抗滑樁地段的地質條件。
  4. Through the effort that the reform opens more than 20 years, many tour cities of china contain substantial development, but because of being limit by the various factors, the tour image of the city is not fresh and clear, also being tend in in travel the item development similar, this turn the faintness that the ineluctability causes the city travel the image, thus losing the competition ability. how set out from the oneself characteristics, mold the fresh and clear city tour image, become the chinese city tour development to need the problem for resolve in the day. the strand of harbin is a tour destination that has to develop the potential, the ice snow stanza contain international popularity, the festival and meetings travel certain advantage of the market occupancy, can integrate with whole packing of other winters tour item to carry on the market publicity

    經過改革開放20多年的努力，中國許多旅遊城市有了長足的發展，但由於受旅遊資源特點、區位條件、旅遊配套設施等多方面因素的限制，城市的旅遊形象並不鮮明，在旅遊項目開發上也趨于雷同，這將不可避免的導致城市旅遊形象的模糊化，從而喪失競爭力。如何從自身特點出發，塑造鮮明的城市旅遊形象，成為中國城市旅遊發展中亟待解決的問題。哈爾濱是一個具有發展潛力的旅遊目的地，冰雪節有國際性的知名度，節慶和會議旅遊市場佔有一定的優勢，可以與其他冬季旅遊項目整體包裝整合進行市場宣傳。
  5. According to the special shape and operate requirements of the torpedo, the structure and moulding process of the torpedo shell are established, in which the body and overlay block with grooves are moulded by fiber winding, and close moulding respectively with the adhesive by limited stop compression. in the light of the selection of raw material system, composite system with outstanding performance are defined, based on which the mechanical properties are tested., with the overall consideration of structural characters and design demands, the main factors which may have effects on the strength and stability ( including stiffness section dimension, stiffeners space, skin thickness and skin lay angle ) is optimized one by one for the structure design parameters on the base of the fem model of skin, stiffness and layover block by fem. as a result, the prototype with 1 : 1 proportion and its structure and lay optimization design are completed. the moulding technology for polyurethane foam moulding the stiffened shell is obtai ned in terms of the design, manufacture moulding, experimental mould and tooling

    依據在研產品特殊的外型結構和使用要求，確定了該型號水雷復合材料殼體的具體結構形式和復合成型工藝路線，即由纖維纏繞工藝成型主體異形件，閉模成型帶通槽外貼塊，用限位加壓工裝實現粘接的工藝路線；通過對原材料體系的篩選，確定了綜合性能較好的復合材料體系，以此為基礎進行了力學性能測試；運用有限元方法，建立了蒙皮、筋條和外貼塊的分析模型，綜合考慮結構特點和設計要求，對影響結構強度與穩定性的主要因素（包括筋截面尺寸、筋間距、蒙皮厚度、蒙皮鋪層角度）分別進行了結構設計參數的優選，最終完成了復合材料異形耐外壓殼體1 : 1樣件和縮比實驗件結構及鋪層優化設計；完成了聚氨酯泡沫胎成型內置加筋殼體的成型工藝技術研究；對縮比件進行外壓性能測試，並給出了應力、應變測試結果。
  6. Background information on thunderstorms such as the meteorological conditions under which they form, related phenomena such as tornadoes, water spouts and hail, the potential hazards posed by thunderstorms as well as statistics on thunderstorms in hong kong are also given in the new pamphlet

    有關雷暴的一些基本資料，如其形成的氣象條件，可能伴著雷暴出現的水龍卷、陸龍卷及冰雹，雷暴可能造成的破壞，香港雷暴的統計數字，新的小冊子亦作了介紹。
  7. Based on first - hand materials, five regional faults ( nandan - du ' an fault zone, nanpanjiang fault zone, youjiang fault zone, bama fault zone and xialei - lingma fault zone ) were analyzed systematically which controlled the structural framework of the whole area. through discussing their activity and controlling basin behavior in different stage, fault zones " expression forms, and the activity mechanism of different section in different stage

    論文在豐富的野外第一手資料的基礎上，對控制全區構造格架的五條區域性斷裂（南丹?都安斷裂帶、南盤江斷裂帶、右江斷裂帶、巴馬斷裂帶和下雷?靈馬斷裂帶）進行了系統的分析，討論了它們的構造表現形式、不同時期斷裂的控盆作用，並探討了它們不同時期不同段落的運動學機制。
  8. Wake vortex separation standards are used to prevent hazardous wake vortex encounters which mainly found in the final approach course within the airport termination zone. firstly, this paper analysis the mechanism of the vortex decay and research the influence on the safety of the flight ; then. several different radar wake vortex separation standards are compared and some basic guidelines are developed to establish the future vortex standards. in addition, one kind of advance vortex classification for the civil airplane is proposed. secondly, an encounter hazard model which established for the following aircraft and a simple vortex decay model which mostly concern with the proceeding one are developed ; and a safe separation model can be derived from the both. finally, through the simulation calculation, the correctness of the vortex classification of different types of aircrafts are tested and proved

    本課題對雷達管制條件下的最小尾流間隔標準進行了較為詳細的分析和研究；首先對尾流的形成和消散機理以及尾流對飛行安全的影響做出了詳細的分析，然後就目前實行的幾種不同的最小尾流間隔標準進行了比較和分析，提出了相關的幾條準則和一種改進的機型尾流分類標準；在這之後，採用理論分析和統計數據分析相結合的方法，建立了尾流危險遭遇基本模型和尾渦消散模型；並在此基礎上對民用航空不同機型的尾流分類的合理性進行了計算和評估，為最小尾流間隔標準的確定和改進提供了初步的理論依據。
  9. In this thesis, the signal express format and characteristic of pulse internal phase modulation and pulse external frequency agile is introduced, and the signal design is processed based on the demand of radar system, the restriction of parameter design and various code format

    本文首先介紹了脈內調相脈間跳頻信號的表達形式和特點，並根據雷達系統的需求和參數設計的約束條件以及不同的編碼形式進行了信號的設計。
  10. In the paper, in accordance with the thermal power torpedo propulsion system using hap tri - component fuel, with the i - deas software, applying the cad technology and the fem, the research of simulation on the piston - one of key parts of engine was proceeded and the paper presented the whole analysis process of the piston including thermal analysis. in the paper, the question of the boundary condition in the complicated engineering was explored and the temperature field. the stress field and the deformation of the piston were computed and analyzed under a new kind of fuel ( hap )

    本文針對三組元魚雷熱動力系統，應用i - deas軟體，利用cad技術和三維有限元方法（ fem ） ，對發動機的關鍵零件? ?活塞展開模擬研究，對活塞進行了包括熱分析在內的全過程的模擬計算，探索了復雜工程中邊界條件的處理問題，分析計算了魚雷發動機活塞在新型燃料（三組元燃料）工作下的穩態溫度場、應力場與變形情況，最後，根據分析結果對其結構提出了改進意見。
  11. Although meteorologists know what conditions favour their formation, they are hard - pressed to say exactly where a storm will occur until it is almost too late

    盡管氣象學者們清楚地知道有利於雷暴形成的條件，但是要及時而又精確地預測雷暴發生的地點使他們感到壓力重重。
  12. In the numerical solution algorithm, the method of characteristics, analytic method and galerkin finite element method ( galerkin - fem ) can be chosen to solve the advective equation, diffusion equations, reaction ( source / sink ) equations, propagation equations and pressure poisson equation, respectively. the developed new algorithm has been verified using analytical solution of circular conduit flow in a reynolds number range of 100 < re < 1 000 and experimental data of the laminar flow over a backward - step facing step. the flow properties are well characterized by this three - dimensional numerical model

    本論文在評述三維粘性流動數學模型已有研究成果的基礎上，著重在數值計算方法的選擇和定解條件的給定對數學模型計算結果的影響進行了研究，並首次提出了求解三維純對流方程的高精度的擬協調單元法，建立了三維低雷諾數re流動的數學模型，並在圓管流動、臺階突擴矩形管道流動中得到驗證和應用。
  13. Transmit / receive ( t / r ) modules is the base of the modern radar. the paper puts forth a design scheme according to the target including t / r switch, up conversion, power amplified, low noise receive and down conversion. the dimension is restricted to 106 89mm through scheme comparison and the existing experiment condition, the final products arrive at the target we expect with millimeter hybrid integrated circuit

    收發t / r組件在當今雷達系統中佔有舉足輕重的地位，本文根據設計指標提出了毫米波前端的設計方案，系統功能上要求完成收發雙工、上變頻和功率放大、低噪聲放大和下變頻功能，外形尺寸為106 89mm ，通過綜合方案比較，結合自身條件，選取了毫米波混合集成電路形式。
  14. The moment method is used to calculate the rcs of three - dimensional targets in this paper. these targets include conducting targets, dielectric targets and coat targets. triangular patches are used to model the surface of the target, then electric field integral equation ( efie ) and magnetic field integral equation ( mfie ) are built which satisfy the boundary conditions. the rwg vector base functions are used to denote equivalent electric current and magnetic current on the surface of the target. finally use the galerkin method ( rwg vector base functions are basis function and test function ) to transform integral equations into matrix equation. when obtain the equivalent electric current and magnetic current, we can calculate the scattering field and the rcs of the target

    本文利用矩量法計算了三維導體目標、介質目標、塗層目標的雷達散射截面。首先採用三角形面元對物體表面幾何形狀進行模擬，然後建立滿足邊界條件的電場積分方程（ efie ）和磁場積分方程（ mfie ） ，將物體表面的等效電磁流用rwg矢量基函數表示，最後利用伽略金法（ rwg矢量基函數既作為基函數又作為檢驗函數）將電磁場積分方程轉化為矩陣方程求解未知電磁流系數，得到了表面的等效電磁流后，可以計算散射場和目標的雷達散射截面。
  15. By theoretical analysis and experimental investigation to the exasperate position of the heat transfer in the umbrella - plate falling film evaporator, the exasperate experimental formula of the heat transfer was obtained. with the same reynolds, the high - point heat flux density of umbrella - plate evaporator is higher than vertical - plate evaporator could be observed from above formula, which maked out that with little reynolds liquid film was not easy to break

    在實驗條件下得出了傘板式降膜蒸發器小流量下液膜破裂的實驗關聯式，此關聯式表明極限熱通量隨臨界雷諾數增大而增大，在相同的臨界雷諾數下，傘板蒸發器的極限熱通量大於直板形蒸發器的極限熱通量。
  16. A sphere, in contrast, concentrates its beam to a line ? which is why a " line feed " antenna was originally used at arecibo

    球形的則不同，它會把波束匯聚到一條線上? ?這就是為什麼阿雷西博先前使用的是「線反饋」天線。
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