雷達技術性能 的英文怎麼說

中文拼音 [léidájìshùxìngnéng]
雷達技術性能 英文
radar specification
  • 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
  • 達 : Ⅰ動詞1 （暢通） extend 2 （達到） reach; attain; amount to 3 （通曉; 明白） understand thoroughly...
  • 技 : 名詞（技能; 本領） skill; ability; trick; technique
  • 術 : 術名詞1. （技藝; 技術; 學術） art; skill; technique 2. （方法; 策略） method; tactics 3. （姓氏） a surname
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 能 : 能名詞（姓氏） a surname
  • 雷達 : [訊] radar （縮自 radio detection and ranging）
  1. Radar target recognition ( rtr ) is very valuable for military application. the performance of rtr can be improved greatly by identity fusion. this dissertation deals with the rtr using data level and decision level fusion

    雷達目標識別具有巨大的軍事應用價值，通過身份融合技術能提高雷達目標識別的性能，本文主要研究數據層和決策層融合雷達目標識別。
  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. Mixers are the key components of many microwave and millimeter - wave systems. the super - heterodyne receiver is always applied in modern communication system, mixer becomes the key component as is at the first part of system. but it is more and more difficult to get the choiceness lo source of the same band with the system is working at high frequency especially in the millimeter - wave. sub - harmonic mixer is a good solution to this problem now. in this circuit we need just half 、 quarter 、 even 1 / 8 of the rf signal frequency. in this paper the design and fabricate of sub - harmonic hmic mixers ( 2, 4 ) at w - band are introduced

    混頻器是微波通信、射電天文學、雷達、等離子物理、遙控、遙感、電子對抗，以及許多微波測量系統中至關重要的部件。在現代通信系統中，毫米波頻段通常採用超外差接收機，混頻器作為第一級就成為關鍵部件。由於在毫米波頻段，同頻段高性能的本振源成本高，技術難度大，採用分諧波混頻技術是解決此問題的有效途徑，只需射頻頻率1 / 2 、 1 / 4甚至1 / 8的本振頻率即可實現混頻。
  4. Targets in the radar ppi have the main property of the little area, a few targets and irregular change of grey. so it is difficulty to detect and track the target. the study of the radar ppi is very few inland and abroad. with the development and implement of high resolution radar and high resolution raster display, target _ tracking and detecitng based on the radar ppi will be feasible. it ' s great excellence is to increase time accumulation compare with the detecting techenicial of the traditional radar

    雷達ppi中目標的特點是面積小，目標或可能的目標多，灰度、形狀變化無明顯規律，所以檢測和跟蹤目標比較困難。基於雷達ppi的研究國內外甚少，隨著高解析度雷達和高分辨光柵顯示器的發展，基於ppi的雷達目標檢測和跟蹤成為可能。與傳統的雷達目標檢測技術相比，其潛在的優勢在於大大增加了信號的時間積累，因此有可能提高檢測性能。
  5. With modern weapon and modern wingmanship being developed, the higher performance of the radar, such as action range, resolution, measure precision and so on, are required

    隨著現代武器和現代飛行技術的發展，對雷達的作用距離、分辨力和測量精度等性能指標提出了越來越高的要求。
  6. Backed up by the soplat theory based on particle kinematics, the second chapter of this paper presents with analysis and simulation of several single observer passive measurement models, which uses such relative movement parameters as bearings changing rates and centrifugal acceleration information on the basis of bearings measurements. in the third chapter, the observability of location respectively using bearings and its changing rates information and centrifugal acceleration information is analyzed, and its observable condition is got. the fourth chapter puts forward the modified covariance extended kalman filtering ( mvekf ) against the defect of traditional extended kalman filtering ( ekf ), whose performance is simultaneously compared in the chapter with the performance of ususal tracking algorithm such as ekf, mgekf, iekf by computer simulation

    在近年來提出的基於質點運動學原理的單站無源定位理論基礎上，本文第二章提出了幾種在角度測量的基礎上增加角度變化率及相對運動的離心加速度等運動學參數的單站無源測量模型，並對它們進行了分析和模擬；第三章分別對利用角度及其變化率信息定位和利用離心加速度信息定位的可觀測性進行分析並得到了相應的可觀測條件；第四章針對傳統擴展卡爾曼（ ekf ）方法的缺點，提出了一種修正協方差的擴展卡爾曼濾波（ mvefk ）方法，並將其和ekf 、 mgekf 、 iekf等常用的單站無源定位濾波方法進行了性能模擬比較；第五章通過引入雷達機動目標跟蹤方法和模型，提出了利用角度及其變化率對機動輻射源跟蹤的多級噪聲自適應方法和imm方法；第六章主要對角度變化率和離心加速度參數的獲取技術進行了研究，提出了幾種高精度測量脈沖序列多普勒頻率變化率的方法。
  7. In addition to the conventional techniques such as low sidelobe antennas and displaced phased center antenna ( dpca ), there has been great interest in space - time adaptive processing ( stap ) because it can suppress clutter effectively and improve the detection performance of airborne phased array radar evidently

    除了採用低副瓣天線、偏置天線相位中心（ dpca ）等傳統雜波抑制技術，能夠有效提高機載相控陣雷達地雜波抑制能力和動目標檢測性能的空時二維自適應處理（ stap ）受到了廣泛關注。
  8. Compared with the general radar, the harmonic radar can provide more imformation when it is used to detect the nonlinear scattering target, and therefore improvers the radar resolution

    與一般雷達探測技術相比，諧波雷達在探測非線性散射體時能提供更多的信息，提高了識別概率。
  9. With the development of aerospace science, especially the appearance of high speed attack weapons such as guided missile, radar is required to not only discover and track the target in further distance but also command plane and missile to head off the target

    隨著空間技術的發展，特別是導彈等高速進攻性武器的出現，要求雷達能在更遠的距離上發現和跟蹤目標，並能及時指揮和引導飛機和導彈攔擊目標。
  10. In the last dozens of years, the technique and performance of radar has been becoming great

    經過幾十年的發展，雷達技術及其性能日趨完善。
  11. At the beginning of 60 years, laser radar whose primary function is to measure distance appeared. developping for nearly half century, laser rader have been widely applied in many areas, especially in military application because of its particular merits such as high angle - solution, high - speed - solution, high - ditance - solution, nice - anti - jamming ability and good consealment. recently, in iraq war, the precision control and guide weapons depend on laser radar techniques embodied their powerful abilities. the laser radar technique is a very important part in u s military system

    歷經半個多世紀以來，激光雷達以其高角解析度，高速度解析度，高距離解析度，強抗干擾能力，好的隱蔽性，以及出色的全天候工作能力在很多技術領域尤其是軍事領域中得到廣泛的應用。最近的伊拉克戰爭中，以激光雷達為依託的精確制導武器顯示出了其強大的作戰能力，激光雷達技術在美軍作戰系統中扮演著重要的角色。
  12. The constructionspeed of highwayincreases rapidly, at the same time, the path qualityexaminationdutyaggravatesdaybyday, andtheload ofroads evaluationalsoincreases quicklyin the maintenance. traditional method has many disadvantages, such asinefficiency, tiring, slow speed of evaluation etc. especially, the number ofmeasuring point is too little to give accurate and comprehensive result of theinterior recessive diseases of highway. beside this, the traditional method leadsdestructiontotheroadsurface, whichwillexacerbatethedeteriorationofhighway. in avoid not to affecting the normal travel and not to destroying the pavementstructure, it is urgently to apply nondestructive evaluation ( nde ) techniques tocontrol quality of highway construction and to estimate the running conditionaccurately. the nde techniques of highway have to satisfy the followingqualification : mapping the shape, size and depth of flaw precisely ; having nodamages to the road structure ; being capable of carrying out examination in widerange ; beingeasytoequipandoperate ; beinginsulatetotheenvironmentinfluence. theintelligenceintegrationevaluationvehicleforroadbedandpavement ( iievrp ) is just the comprehensive nde technique that can satisfy the demands above, which can implement detection of highway rapidly and nondestructively

    作為吉林省科技廳高新技術項目（ 20020331 ） 「路基路面智能集成檢測車」的一個子項，本文在理論的基礎上，結合實驗對探地雷達檢測路面結構層厚度及路基、路面病害進行了研究，主要工作如下: 1 .闡述探地雷達發展的歷史和研究現狀，介紹探地雷達在路面結構層厚度檢測與路基、路面病害識別上的應用，分析探地雷達設備性能，探討其測量參數對探測性能的影響; 2 .引入matlab計算軟體，利用其中的小波分析工具箱對探地雷達信號進行分析處理; 3 .構建適于道路檢測的車載實驗平臺，為進一步完善路基路面檢測車系統打下了基礎; 4 .通過對模型的檢測，對探地雷達探測性能做出定性或半定量的評價; 5 .通過對實際路面的檢測，驗證探地雷達在道路檢測中的有效性。
  13. This thesis first states the characteristics of the equipments that have been adopted by the modern fighter and their basic technical performance. then an overall layered modular design for air combat simulation system is made utilizing system simulation technology and critical sub - systems have been mathematically modeled known as fighter body, propulsive system, flight control system, radar, fire control system, gun, air - air missile and avionics. after that a set of distributed air combat simulation system software is developed based on the scene graphics pc platform

    本文首先介紹了現代戰斗機空戰技術裝備及其基本技術性能特點；而後使用系統模擬技術，依據分層模塊化設計思想，制定了空戰模擬系統總體設計方案；之後根據目前技術狀況，建立了戰斗機機體、推進系統、飛控系統、雷達、火控系統、航炮、空空導彈、航電設備等戰斗機關鍵子系統數學模型；在此基礎上，根據總體設計方案，在基於pc的分佈互動式視景模擬平臺上開發了一套分散式空戰模擬系統軟體，實現了戰斗機互動式飛行模擬和分散式空戰模擬。
  14. According to state - of - the - art of evaporation duct propagation research, and to meet the demands on the prediction techniques of evaporation duct environment and the assessment of radar performance under evaporation duct environment, this dissertation gives a thorough research in depth on the subject described above. the researches include the prediction theory of evaporation duct and its applications, the theory of ray tracing based on which the prediction of radio wave rays are conducted and its application to the predicting of radar range performance under a given evaporation duct, and the characteristics of tropospheric ducts over china

    根據上述情況，結合我國盡快得到蒸發波導環境預測技術及在其中運作無線電系統的性能預測技術等需求，本文針對蒸發波導傳播及其相關應用這一熱點難點問題較深入地研究了蒸發波導環境預測技術的理論及其應用、蒸發波導環境中雷達探測性能評估所要求的基本理論之一? ?射線描跡技術及其在代表性蒸發波導環境中雷達探測性能評估技術方面的應用和我國應用所需的我國大氣波導環境特性等幾個方面。
  15. On the optical signal processing, we argumented the feasibility of optical processing for lpi radar application, then estimated the capability of optical signal processing under today ' s technology especially vlsi technology

    在光學信號處理方面，論證了光學相關器在lpi雷達中應用的可能性，估計了在目前技術條件下光學相關器可能達到的性能。
  16. In the chapter 5 we introduce the realizing of the software for rating performance of testing parameters of radar

    第五章介紹了雷達技術和戰術性能測試軟體的方法和實現。
  17. After that, we analyze the internal resources and capability of the hs - sysway company by radar chart and value chain etc. then we analyze the advantage and disadvantage of the holding chances and cutting threaten, using the vrio frame. the results are following - the main advantages for hs - sysway are : its support for capital and tobacco market, ierp ( developed independently ) and differentiation, erp ' s marketing capability, technique development capability, local costs and services etc. ; the main disadvantages are : the strategy orientation is unclear and carried out weakly, low level management, persons with high ability are short of or missing, weak maturity and difference of products, short of core technology and capability etc. on that basis, we analyze the stakeholders and specify the task of the company ; we use the swot analysis and large tactic matrix etc. and bring forward the basic strategy of the development that is the aggressive strategy

    其後，運用雷達圖分析、價值鏈分析等方法對企業內部的資源與能力進行了分析，然後利用vrio框架，對企業能夠用以抓住機會、削減威脅的優勢及弱點進行了分析，得出宏聲新思維公司的主要優勢是宏聲集團的資金及煙草市場支持、自主開發的ierp及其差異化、 erp營銷能力、技術開發能力和本地化的成本及服務等，主要弱點是戰略定位不清晰且貫徹不力、管理水平低、高素質人才匱乏且有流失、產品成熟度和差異性不高、缺乏核心技術與能力等。
  18. With the development of radar technology, the intrinsic defects of traditional antenna array greatly restrict the system performance ; therefore research on the compact receiving array of hfswr becomes urgency

    隨著雷達技術的發展，傳統大型陣列天線固有的缺點已經成為了制約系統性能的一個瓶頸。因此亟需開展高頻雷達小型化陣列天線的研究工作。
  19. With its widely application in precise guided weapons, the performance of whole weapon system is sharply improved by the complementarities of active and passive radar system

    主被動雷達復合制導技術在精確制導武器上的應用，充分利用主被動雷達性能互補特點，並能兼顧導引頭系統的戰術性能、設計復雜度和費用等方面的平衡，提高了武器系統的效能。
  20. Synthetic aperture imaging processing and ground slowly moving target detection technology are the key points to improve the performance of the air to surface operation mode for airborne radar. the higher is the requirements for the performance of air to surface mode, the deeper study in the field is needed. this is the main purpose to this dissertation

    合成孔徑成像和地面慢速運動目標檢測技術是提高機載雷達空地性能的兩個主要方面，隨著機載火控雷達對空地性能要求的越來越高，必須在這一領域開展更為細致、更為深入的研究，這是本文選擇機載合成孔徑成像和動目標檢測技術作為主要研究內容的原因。
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