雷達使用性能 的英文怎麼說

中文拼音 [léidáshǐyòngxìngnéng]
雷達使用性能 英文
radar operating performance
  • 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...
  • 使 : Ⅰ動詞1 （派遣; 支使） send; tell sb to do sth : 使人去打聽消息 send sb to make inquiries2 （用; ...
  • 用 : Ⅰ動詞1 （使用） use; employ; apply 2 （多用於否定: 需要） need 3 （敬辭: 吃; 喝） eat; drink Ⅱ名...
  • 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. This paper puts forward a method of fast, handy, no - destructive and effective testing which can be used to test the strength and geometrical dimension of subgrade abamurus using the method of earthquake wave velocity and gpr ( ground penetrating radar ). this method can be used to definite the dimension and strength of abamurus by determining some physical parameters ( such as elastic wave velocity and electromagnetic wave velocity etc, ) and by the correlation of these physical parameters with mortar flag stones

    本論文提出使用地震波速法和地質雷達法檢測路基擋墻的強度和幾何尺寸，是一種快速、簡便、無損、有效的檢測方法。此方法通過測定某些適當的物理量（如：彈性波速度、電磁波速度等） ，並通過這些物理量與漿砌片石的相關性，確定墻體的尺寸、強度等性能。
  2. If a fire control radar is installed on the fighter, using tse will improve the performance of aa gunshot

    在具備機載火控雷達的條件下，使用目標狀態估值器能夠提高空對空射擊性能。
  3. 7 in order to improvement the performance of the whole system and reduce the cost, a new signal processor is given, which based on the new pulse count method brought forward by the author

    從系統聯調的測試結果可以看出，利用自適應檢波電路，可以大大改善基於脈沖計數新方法的雷達信號處理機的性能，使得雷達系統的測距精度大大提高。
  4. For missile, either strategical or tractical, the most important thing is to attack the target accurately. this depends upon the accurate location of the larget by the missile radar. for protecting radar antenna from external environment and for air - dynamical requirement, a radome is used to enclose the antenna. but the radome interferes in the orientation of the antenna, degradaties its perfor - mance, decreases the power reaching the target, and most importantly, it produces so called boresight error ( bse ) that is, makes the antenna shows a slightly different direction of the target from its true direction, the boresight error is define as the angle shifted, and the boresight error slope ( bses ) is defined as the ratio of angle shift to the tracing angle of the radar antenna. to predict the boresight error and boresight error slope is an unavoiding chief task in designing radome and in its operation

    在戰略和戰術雷達制導導彈中，一項重要的工作就是對目標的準確跟蹤，這取決于導彈雷達對目標的準確定位。為了保護雷達天線不受外界環境的影響，天線罩被應用進來，但天線罩在保護天線不受外界惡劣環境影響的同時對天線電磁輻射產生某些干擾，使天線的電氣性能降低，影響天線的功率傳輸，更重要的是產生瞄準誤差。它使目標的視在位置與真實位置有一個角度差，這個角度差就是天線罩的瞄準誤差。
  5. Because of using spread spectrum technique, phase - coded radar has good anti - jamming capability and low probability of intercept property. so more and more attention has been paid to the research on it for military and civil application

    相位編碼雷達採用擴頻技術使其具有良好的抗干擾能力和低截獲概率特性，因此在軍民兩用方面其研究日益受到人們的關注。
  6. The some fire control system is an advanced multi - senor short range air defense system, which integrated both x and ka bands searching and tracking radars, laser range finder, combined the control computer of subsystem with the master computer, and applied the technology of data fusion

    摘要某火控系統集兩個頻率波段的搜索雷達、跟蹤雷達和電視跟蹤器、激光測距機於一體，分系統控制處理計算機與系統主計算機相結合，採用了數據融合技術，是一部多傳感器集成的現代化防空系統，具有搜索性能好、反應時間快、抗干擾能力強、自動化程度高、使用性能好等特點。
  7. He says obtaining an international water treaty will take the same kind of mobilization by civil society which achieved the ottawa convention, banning the production and use of landmines

    他說，需要象禁止生產和使用地雷的渥太華公約那樣將公民社會動員起來，才能達成一部國際性的用水公約。
  8. 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。
  9. Synthetic aperture radar ( sar ), as a high resolution microwave instrument, has an important status in the remote sensing. it has ability of large planetary image areas in all weather during day and night and has ability of penetrating, these characteristics make it very important in applied aspect

    合成孔徑雷達（ sar ）是一種高解析度的微波遙感設備，在遙感成像領域有著舉足輕重的地位，它具有全天時、全天候、大面積成像的工作能力，並對地物有一定的穿透能力，這些特點使它在應用方面具有極端的重要性。
  10. In the paper, the gpr system developed by us employs several optimization techniques to enhance the system performances, including antenna, sampling - hold circuit, orientation wheel, function of system software, multithreading, and signal processing algorithms. as the result the system works more well with these techniques, and its azimuth and distance resolution of 10 cm has been achieved with detection depth of more than 50 cm. the main contents of this dissertation are summarized as following : 1

    本文根據探地雷達系統工作原理，在電子科技大學探地雷達系統樣機研製的基礎上採用了各種有效的優化技術，包括探測前端、采樣保持電路的優化，定位輪、目標定位、多線程技術的應用，數據採集處理和控制軟體功能的拓展、各種有效的信號預處理演算法的應用等，顯著提高了系統的探測性能和增強了探測效果，使得系統方位、距離解析度均達到了10cm ，探測深度大於50cm ，其性能指標達到國外先進水平，為進一步的實用化奠定了重要的基礎。
  11. Because of radio wave propagating along the ducts with enhanced fields on the order of the free - space field, the problems of the co - channel interference are more complicate for communication systems with the results of intersystem interference and the formation of other system, and therefore affecting the determination of the coordination distances or the optimization of the distribution and separation of delay, and for surveillance system such as radar system the problems can be radar holes or the extensions of detect range

    對于通信電路，它使系統間的相互干擾問題變得復雜，既可能幹擾其他系統又可能形成另外的系統，從而影響系統的有關參數如中繼電路的最佳組合（分佈、間隔）和協調距離，對于探測系統產生的則是雷達空洞、超視距探測等問題。這些問題對相關無線電系統特別是軍事應用系統可能是致命的，因而以波導傳播為代表的反常傳播特性研究受到極大重視。
  12. Modern warfare relies more and more on the use of radar sensors in a complex electronic environment, which include deliberate sophisticated countenrieasures. since the effectiveness of the radar and radar electronic warfare system, both equipment performance and tactics effectiveness are difficult to define and even more difficult to measure or predict, computer simulation become an important way to test and evaluate its effectiveness

    在復雜電磁環境下的雷達及雷達電子戰是現代高科技戰爭的主要特點之一，但是雷達電子戰系統在研製和使用過程中對雷達電子戰設備性能預測和系統作戰效能評定是非常復雜和困難的，而且目前對雷達電子戰設備性能和作戰效能進行評估的技術手段和平臺環境還比較缺乏。
  13. The results show that thinner radar absorbing coatings can strongly attenuate high frequency surface waves, while alternate using of thin radar absorbing coatings and thin radar absorbing coatings compounded by frequency selective surfaces can strongly attenuate wideband surface wave and it is possible that high performance balanced stealth of super wideband can be reached using the alternate radar absorbing coatings

    實驗結果表明，低厚度的雷達吸波塗層就可以實現高頻表面波的強衰減吸收，而頻率選擇表面與低厚度雷達吸波塗層相結合的復合塗層與雷達吸波塗層共同交替使用可以實現寬頻段表面波的強衰減吸收，有望實現目標物體在寬頻段范圍內的高性能均衡雷達隱身。
  14. Theoretical analyze and computer simulation prove that the side lobe canceller system using polarization radar can depress jammer while not damaging the signal, the overall performance is better than that of the system using polarization radar only in the auxiliary antenna

    理論分析和模擬實驗表明使用全極化雷達的旁瓣對消系統，可以在抑制干擾的同時盡量不損失目標信號，系統整體性能優于主天線為單極化時系統的性能。
  15. The development of computer and the technology of the simulation advances the modeling and the technology of computer simulation, which make the computer simulation as an independent knowledge develop increasingly and used widely many kinds of research. this thesis researches the data processing and the display which is the part of the testing and evaluation for the performance of pd radar ' s jamming and anti - jamming with simulation in the pc. the whole project finishes the integrate model for researching the pd radar ' s system, jamming and anti - jamming, which is the first in the domain of electronic anti - jamming in our country

    計算機和模擬技術的發展促進了建模和計算機模擬技術的迅速發展，使計算機模擬技術成為一門獨立學科得到日益發展，並廣泛應用於各種科學研究中，本論文是用pc機模擬研究pd雷達干擾和抗干擾性能評估中的數據處理和顯示控制系統部分，整個項目是我國電子對抗領域首次完整地為研究pd雷達系統及其干擾和抗干擾性能評估所建立的基於pc機的模擬研究平臺。
  16. This paper goes on with analysis of the phased array radar calibration theory and compare of different schemes, then the best is adopted. 2 mhz digital circuit mainly composed of dds ( direct digital synthesis ) chip, which carries out the shift of the phase and the limit of the amplitude, has been designed and debugged successfully. it is used to substitute for the conventional phased shift circuit and amplitude limiting circuit which work at the radio frequency, so the all - digital transmit channel of phased shift array radar is achieved

    本論文研究的重點是：針對傳統相控陣雷達系統收發（ t r ）組件中的移相和限幅功能均在射頻段完成，大膽利用直接數字合成（ dds ）晶元組成頻率在2mhz左右的數字電路代替傳統相控陣雷達在射頻段進行移相和限幅的電路，從而組成全數字發射通道，使對相位和幅度的控制和調試更方便快捷，並設計具體的電路驗證此方案的可行性。
  17. In order to make display interface write - once - run - anywhere, choosing java to develop it. by integrating the technology of 2d & 3d graphic library, multi - thread, networking and jdbc, the data - layer in distributed radar simulation system is developed. based on

    為了使顯示界面能夠跨平臺，選擇了java語言進行開發，利用java技術中的二維三維圖形庫、多線程、網路特性和jdbc開發出分散式結構的雷達模擬系統中具有不同功能的顯示界面。
  18. ( 2 ) if not considering blind space and targets are uniformly distributed, detectionperformance are close for the three kinds of line when speed - ratio is less than 1, and cross - toline will achieve higher enter - cover - probability when speed - ratio is more than 1. if takingblind space into account, for case of balance - beam radar, cross - away line can get higherstrict - enter - cover - probability. but for fear that probablely - enter - cover target distribution comesbehind the patrol line, the three factors should be limited if taking cross line

    若考慮盲區的影響，對平衡木構型的雷達而言，交叉同向航線的嚴格覆蓋率較大;但為了使區域縱深不反向至我方空域，採用交叉航線時航線橫比、航線縱比、速度比的取值范圍要受到限制，否則雷達動態性能將大打折扣。
  19. Because the signals of the target reflections are coherent, the reconstructing matrix algorithm which uses the time - shift correlation method is studied. not only has it the good ability to solve the coherence problem, but it also reduces the computation because of the time - shift correlation instead of the eigenvalue decomposition

    由於雷達系統中目標回波具有相關性，必須考慮解相干處理，所以研究了利用時移相關去噪的矩陣重構演算法，該演算法具有較好的解相干能力，且用時移相關去噪免去了特徵分解去噪過程，可直接使用esprit演算法求解旋轉不變關系，簡化了過程，減小了計算量。
  20. In this paper, a new advanced general wide - band signal generator module is developed, which uses high speed fpga as its control - unit. the module can work in any system with different bandwidth and can generate any kind of lfm signal, whose bandwidth is less than 200mhz, and time - width is less than 870us

    該模塊具有標準的輸入輸出介面，不同波段、不同帶寬的雷達系統均能直接使用，可以產生帶寬200mhz以內、脈沖寬度870us以內的線性調頻信號，具有預失真功能，能補償系統的特性特性失真，還可直接通過4倍頻或8倍頻實現帶寬的擴展。
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