雷達方程式 的英文怎麼說

中文拼音 [léidáfāngchéngshì]
雷達方程式 英文
radar equation
  • 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...
  • 方 : Ⅰ名詞1 （方形; 方體） square 2 [數學] （乘方） involution; power 3 （方向） direction 4 （方面） ...
  • 程 : 名詞1 （規章; 法式） rule; regulation 2 （進度; 程序） order; procedure 3 （路途; 一段路） journe...
  • 式 : 名詞1 （樣式） type; style 2 （格式） pattern; form 3 （儀式; 典禮） ceremony; ritual 4 （自然科...
  • 雷達 : [訊] radar （縮自 radio detection and ranging）
  • 方程式 : capeta
  1. In order to make the terminal airspace moderated and consisted, and acquire the biggest capacity of airport, we must consider the influencing factors as many as possible, it is our final target to plan the airspace in beijing terminal unify. with the conditions that the current operation modes of parallel runway, approach and departure procedures and terminal airspace in beijing international airport, this article has analyzed the reasons of airspace congestion. this article also applies the theory of instrument flight procedure and utilizes the current facilities in beijing international airport. the design of flight procedures combining rnav procedures with instrument approach procedures may be accepted on some routes. it make the approach and departure procedure more effective, and increase the capacity of the airport more or less ; secondly, this article contrast the capacities of parallel runway in different methods under radar control, and make the conclusion that the parallel runway in dependent operation modes has the biggest capacity

    本文從目前首都機場平行跑道的運行方式、進離場程序、終端區空域的現狀入手，剖析了造成空域緊張的原因，應用儀表飛行程序設計的思想和原則，利用首都機場終端區現有的設施，某些航線可採用區域導航（ rnav ）程序與儀表進近程序相結合的飛行程序設計，優化了目前首都機場的進離場程序，在一定程度上增加了機場容量；其次，研究了雷達管制條件下平行跑道不同運行方式的容量對比，得出平行跑道獨立運行的容量最大，然後以這種這種運行方式，為首都機場設計出了平行跑道獨立運行的飛行程序；最後，分析北京終端區各機場空域對首都機場飛行程序安全、有效運行的制約因素，研究設計出了北京終端區規劃方案及規劃后的飛行程序和飛行方法，以達到增大機場的容量，適應未來航班量增加的需求。
  2. Based on mono - pulse radar system and the analysis of terrain echoes, a geometrical model of air to ground ranging is constituted. by using the signals received from the sum and difference channels of terrain follow radar, a group of the expressions for terrain echoes are educed and characteristics of these echoes are obtained. according to the characteristics of the echoes, the theory and method of pass zero detection of difference channel and its applications are discussed in detail

    針對一維單脈沖雷達體制，分析了地形目標回波特性；建立了地形跟隨雷達空地測距的幾何關系；利用雷達收發信號，導出了地形跟隨雷達和差接收通道的回波信號表達式，進行了波形模擬，得到了地形跟隨雷達的地面散射產生回波在時域中的特性；根據和差回波特性，闡述了差信號過零點檢測測距的原理和方法及工程實踐中的應用，並給出了真實雷達對外輻射試驗的結果，驗證了文中的模擬。
  3. Otherwise, the conception and the academic formula of the detection probability and false alarm probability of radar is analyzed, and the computation is done by program

    另外，論文還初步闡述了雷達發現概率和虛警概率的概念和理論計算方法，並就這些計算公式進行了程序模擬。
  4. Based on the lambert law of cosines, a form of ladar equation, which is easy to apply, is deduced. an effective method of calculating the maximum detectable distance is proposed based on the theory of signal detects statistics

    根據朗伯餘弦定律推導出激光雷達方程的一種便於使用的形式，根據統計信號檢測理論提出了一種計算作用距離的有效方法。
  5. This paper ' s study is focused on the principle of bistatic sar on the basis of giving a brief introduction of sar principle, including azimuth resolution, mapping width, focusing deepness, pulse repetition frequency limitation and radar equation etc. then the paper studies the special form of bistatic sar with stationary transmitter

    在簡要介紹了合成孔徑雷達的成像原理后，本文著重從原理方面對雙站sar進行了分析，討論雙站sar的方位向解析度，測繪帶寬，聚焦深度，脈沖重復頻率限制，雷達方程等問題，然後對發射機固定的雙站sar這種特殊的雙站sar模式進行分析。
  6. The paper includes four sections followed here : the first section studies the modeling of signals of pulse doppler radar seeker, and establishes a radar signal simulation model, including radar emitting signal model, receiving signal model, receiving echo signal model, clutter model, noise model, sum channel directional pattern of antenna model, difference channel directional pattern of antenna model, sheltering model, rcs model, glint noise model, etc. the second section studies signal processing of pulse doppler radar seeker, and establishes radar signal processing mathematical model and data processing mathematical model for simulation, including windowing, doppler filtering, envelope demodulation, pdi, cfar, centering, velocity tracking, angle tracking, a - b filtering, etc. the third section studies the modeling of modified proportion guiding, and establishes guiding model, then dynamic simulation results is provided

    論文的主要工作包括四部分：第一部分研究了脈沖多普勒雷達導引頭的信號建模問題，建立了雷達信號模型，主要包括：發射信號模型、接收信號模型、目標回波信號模型、雜波模型、噪聲模型、和差通道天線方向圖模型、遮擋因子模型、接收機噪聲模型、目標雷達截面積統計性模型、目標角閃爍模型等。第二部分研究了脈沖多普勒雷達導引頭的信號處理模式，建立了信號和數據處理模型，主要包括：加窗和多普勒濾波、包絡檢波、檢波后積累、頻域cfar處理、速度定心、速度跟蹤、角跟蹤、 ?濾波等，然後給出了信號處理流程。
  7. And on this basis, the finite element model of case typed radar antenna structure integrated with plate unit and entity unit was established on the basis of handling method of coupling and constraint equations

    並在此基礎上，基於耦合和約束方程處理方法，建立了板單元和實體單元相結合的箱體式雷達天線結構有限元模型。
  8. In order to get the optimal wavelength pairs for two - color satellite laser ranging, with the factors including atmosphere effect, the response of the receiver and the laser considered, beginning with the precision of atmosphere correction, based on the lidar equation, the wavelength figure of merit, which can determine whether the pair is selected properly, is obtained

    摘要為獲得雙波長衛星激光測距的最佳波長組合，考慮了大氣效應、接收光電器件的響應、激光器等因素，從大氣改正精度出發，利用激光雷達方程，得到了評價波長組合優劣的波長優數公式。
  9. In chapter 2, an accurate modified reynolds equation is derived. the modified reynolds equation is solved numerically with the finite different method, the generated axial thrust force, minimal mucus film thickness, load capacity of hydrodynamic pressure and circumferential friction under the rectangular screw are obtained. at last, using numeral methods and coordinate graphs, the influences of rectangular screw parameters on the generated axial thrust force, minimal mucus film thickness, load capacity of hydrodynamic pressure and circumferential friction are studied and analyzed

    第二章，首先推導了非牛頓流體的變形雷諾方程，化簡了雷諾方程，得出了矩形螺紋下有限差分方程；還推出了矩形螺紋作用下軸向摩擦牽引力、粘液膜厚度、粘液膜承載能力、周向摩擦阻力無量綱表達式，最後用數值計算方法求解，通過坐標圖分析了矩形螺紋參數對軸向摩擦牽引力、最小粘液膜厚度、粘液膜承載能力、周向摩擦阻力的影響。
  10. The study, by choosing 1200 cadets from air force radar academy as the objects of study, using epq personality questionnaires, social support evaluation chart and coping ways questionnaires as the measuring tools and conducting statistical analysis by means of spss 10. 0 and lisrel8. 3, discloses the interrelation among the military cadets personality tendency, social support and choices of coping ways and checks the hypothetical models by ways of sem

    本研究以空軍雷達學院的1220名學員為研究對象，以《 epq人格問卷》 、 《社會支持評定量表》 、 《應付方式問卷》為測量工具，運用spss10 . 0和lisrel8 . 3進行統計分析，揭示了軍校學員人格傾向、社會支持、應付方式選擇三者之間的關系，用結構方程模型（ sem ）的方法驗證了假設模型。
  11. 2 ) radar incidence angle and surface roughness correction : to make radar incidence correction and eliminate the surface roughness effects, a wide range of surface parameters ( soil moisture, surface rms height, correlation length, incidence angle ) was input to the ibm model to simulate the effect of surface roughness and radar incidence angle on the sensitivity of soil moisture to the radar backscattering coefficient. a simple model was established to simulate the effects of incidence angle and surface roughness. 3 ) establishment of soil moisture change inversion model : according to a modified ibm model simulation results, the bare surface backscattering coefficients can be expressed as a funtion of the dielectric component for a given surface roughness when the surface slope greater than 2. 0, which is valid for most nature surface : in above equation, r0 is the surface reflectivity at normal incidence

    本研究中，首先利用基於微波輻射傳輸方程的微波植被模型和積分方程（ iem ）模型模擬了各種地表土壤水分含量情況下，植被覆蓋、地表粗糙度（包括地表均方根高度和相關長度） 、雷達入射角對c波段（頻率4 . 7ghz ）水平極化（ hh ）雷達後向散射系數的影響，在此基礎上，建立模型消除了植被覆蓋、地表粗糙度、及雷達入射角對雷達後向散射的影響，利用多時相50m解析度radarsatscansar雷達後向散射系數圖像反演得到了地表土壤水分變化模式信息。
  12. This radar database system fits for china ' s radar network using object - oriented programming design method, recording some important parameters of radar data : the longitude, latitude of radar station, radar type, radar wavelength, radar data format, weather kind ( kind of intensity radar echo, schema of velocity radar, echo shape ) embodying in the radar data, etc. it also records the weather course information embodying in a series of relational radar data : the beginning time of weather course, the ending time of weather course, weather type, etc and the disk information, including recording time, recording contents, recording data number and weather type, etc. above all, this system realizes some basic operational processing : adding, deletion, updating, query of records and also some assistant functions : exportation, data transformation, displaying, backing up of data

    該數據庫系統採用面向對象程序設計方法，用visualc + + 6 . 0作為應用程序的前端開發工具，用microsoftaccess2000做數據庫，不僅實現了對雷達基數據信息的一些基本操作：記錄信息添加、刪除、修改、查詢，還實現了處理、分析雷達基數據所需的一些操作：數據導出，數據格式轉換、數據回顯（圖像方式和動畫方式） 、數據壓縮、備份等，另外針對日前雷達臺站存儲雷達數據的現狀，還實現了對存儲光盤的管理。
  13. In the thesis, based on design and implementation of the two signal processing system of different requirement, multi - dsp processor structure, dsp - pci interface, system control logic, pci device driver program, user application program are researched. the main content is list as follows : 1 ) according to the lfmcw radar signal processing algorithm, a signal processing system based on pc104 - plus bus is developed

    本文通過對以上兩種雷達信號處理機的設計開發過程，研究了採用多片dsp信號處理器組建并行處理模塊實現信號處理演算法的方法，利用pci總線實現處理機數據傳輸介面，設備驅動程序和控制界面軟體開發，實現信號處理機數據傳輸控制等幾個方面的內容，主要工作如下: 1 ）針對線性調頻連續波雷達信號處理演算法，完成了基於pc104 - plus總線的嵌入式信號處理板的設計、製作以及調試。
  14. In the dependability improvement process, we used many kinds of methods, such as dependability improvement analysis, dependability forecast, fault modeling effect analysis, dependability qualification test etc. it verified the evident improvement in the jyl - 6 weather radar ? dependability. the point estimate value is improved from 77. 7 hours to 432. 4 hours and the mtbf value reaches 144 hours. in our country, it is the first time that the airborne radar ? dependability criteria exceed 100 hours

    在可靠性增長過程中通過可靠性增長方法分析、可靠性預計、故障模式、影響分析及可靠性鑒定試驗驗證等手段證實可靠性增長后， jyl - 6氣象雷達可靠性指標點估計值由77 . 7小時提高到432 . 4小時， mtbf置信下限達到144小時，在國內實現了機載雷達可靠性指標首次突破100小時。
  15. It has been a important mode in modern war to give a non - contact attack to distant enemy fleetly and accurately, so it becomes the important task of the military power to build national missile defense system of which radar remains the vital sensor

    使用彈道導彈高速精確打擊武器對敵方進行遠程非接觸式空中襲擊，已經成為現代戰爭的一種重要模式，因此構築國家導彈防禦系統成為軍事強國的重要任務，而雷達仍然是這類防禦系統的重要傳感器。
  16. 3. simple ukf could be gained on the base of linear observation function in bistatic radar, and be applied in the non - cooperative bistatic radar system

    3 、基於雙基雷達存在線性觀測方程特殊情況，得到了一種簡化ukf演算法（ sukf ） ，並應用到非合作式雙基雷達系統中。
  17. Finally, the reconstructed surfaces were used in computer aided visualization of electrical design of airborne radome. on contrary to the traditional way of computing the angles of incidence by solving the problem that where the ray of electromagnetic waves intersected with the surface of radome, our method can express the distribution of the value of the angle of incidence on airborne radome succinctly and efficiently

    最後將重塑曲面應用在某型飛機雷達罩電性能參數的計算機輔助可視化設計中，改進了原有方法通過雷達電磁波入射線同雷達罩表面曲面求交解方程獲得入射角的繁瑣設計方式，快速直觀有效地表達了入射角參數在雷達罩表面的分佈情況。
  18. Considering that : ( 1 ) radar can achieve its basic application of collision avoidance and warning with the only function of ranging ; ( 2 ) under high speed conditions, radar should have lager effective range than that under slow speed, we designed a new easily realizable automotive anticollision radar, which employs centimeter wave and square pulse amplitude modulation

    考慮到： （ 1 ）核心的測距功能實現以後，雷達已經能夠完成基本的防撞預警； （ 2 ）在汽車高速運行的情況下，防撞雷達的最小可測距范圍和最大作用距離應比低速狀態下大。本文採用了技術成熟，易於工程實現的厘米波脈沖雷達，以單波束輻射的方式測距。
  19. Uwb radar ( uwbr ) antenna is studied. the radar equation is developed to fit in with uwb sar. the uwb sar system parameters and its configuration are proposed

    分析了幾種常用的超寬帶信號形式，闡述了線性調頻信號的優點；研究了uwbr天線的特性；提出了適于uwbsar的雷達方程；進行了uwbsar系統參數論證；分析了uwbsar的系統構成。
  20. Ieee - 488. 2 protocol has been developing for twenty years after it was assigned international standard in 1979. it is used in many field such as communication, radar, course - control, medical treatment, environment protection more and more widely

    應自動測試系統發展的要求，在1979年就標準頒發了ieee - 488 . 2協議，經過幾十年的發展，越來越廣泛地應用在通信、雷達、過程式控制制、醫療保健、環境保護等各個方面。
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