雷達信標 的英文怎麼說

中文拼音 [léixìnbiāo]
雷達信標 英文
radar beacon (racon)
  • : 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
  • : Ⅰ動詞1 (暢通) extend 2 (達到) reach; attain; amount to 3 (通曉; 明白) understand thoroughly...
  • : Ⅰ名詞1 [書面語] (樹梢) treetop; the tip of a tree2 (枝節或表面) symptom; outside appearance; ...
  • 雷達 : [訊] radar (縮自 radio detection and ranging)
  1. In this paper, the signal processing of sum and difference patterns of amplitude dual - plane monopulse radar and the effect of amplitude - plane non - consistency are analyzed from the coordinates relationship of four - horn antenna at length, and its corresponding simulation is verified, which bring convenience to engineering implementation

    文中從四喇叭天線的位置坐關系,詳細分析了雙平面振幅和差式單脈沖號處理過程以及三通道幅相不一致性的影響,並且進行了相應的模擬,為工程實現帶來了很大的便利。
  2. 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

    ppi中目的特點是面積小,目或可能的目多,灰度、形狀變化無明顯規律,所以檢測和跟蹤目比較困難。基於ppi的研究國內外甚少,隨著高解析度和高分辨光柵顯示器的發展,基於ppi的檢測和跟蹤成為可能。與傳統的檢測技術相比,其潛在的優勢在於大大增加了號的時間積累,因此有可能提高檢測性能。
  3. The conventional sphere model of earth and circle model of orbit are discarded, and the ellipsoid model and the ellipse model are selected for further research, which achieves a method to determine the target position through the antenna pointing direction. and the spaceborne sar system design and simulation software is brought forth. this software accomplishes sar system coefficients design for antenna area, pulse repetition frequency, signal bandwidth, downlink data rate, radar transmitter power and satellite platform yaw steering

    本文從星載的星地幾何關系入手,舍棄傳統星載合成孔徑研究中的球地球模型和圓軌道模型,研究了在地球橢球模型和橢圓軌道模型下由天線確定目的方法,並在此基礎上研製了星載合成孔徑系統設計與模擬軟體,完成系統天線尺寸、脈沖重復頻率、號帶寬、號數據率、發射功率、衛星平臺的偏航牽引等幾個方面的系統參數設計以及多普勒特性、系統模糊、定位及精度的分析,最後完成回波號的模擬。
  4. The missile "rides" the beam; that is, it follows the radar signal until it hits the target.

    導彈就駕馭著該波束,即跟著號直到擊中目為止。
  5. The motion compensation of radar target and an analysis of influence of component imperfection in the realization of the method are presented. to evaluate the performance of the proposed method. monte carlo simulation has been conducted to estimate the root mean square error of the angle estimates and the spatial resolution snr threshold in the cases of both non - fluctuating targets and fluctuating targets

    在此基礎上,提出了針對相位權重角度超分辨法的的運動補償方法,分析了系統各部件的不理想性對超分辨性能的影響,用montecarlo方法對無抖動目和有抖動目在不同噪比下的方位估計誤差和方位超分辨的噪比門限進行了模擬計算,並將結果同波束空間music方法及cramerrao限進行了比較。
  6. To suppress the clutter, noise and detect target, we adopt several advanced sp methods such as pulse compression, mti, mtd, cfar, amplitude - comparison angle measurement and ambiguity resolution, of which we emphase the algorithms of cfar and ambiguity resolution. two cfar algorithms, cell - averaging cfar ( ca - cfar ) and ordered

    為了抑制雜波、噪聲和檢測目,採用了脈沖壓縮、動目顯示、動目檢測、恆虛警、單脈沖比幅測角和解模糊等較先進的號處理技術,並採用了多模式分通道處理方式。
  7. Radar targets acquisition system is an equipment to detect the targets of radar signal and acquire them. and it can fulfill the task of processing radar data. including two parts, this paper is proposed on the base of the development of new generation warning radar auto - detect - terminal

    錄取設備用來完成號的目檢測和錄取,實現對息的數據處理,本文在新一代警戒自動錄取設備的研製基礎上提出,全文分兩部分論述。
  8. 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導引頭的號建模問題,建立了號模型,主要包括:發射號模型、接收號模型、目回波號模型、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、目截面積統計性模型、目角閃爍模型等。第二部分研究了脈沖多普勒導引頭的號處理模式,建立了號和數據處理模型,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,然後給出了號處理流程。
  9. First in this paper, we review the development of radar signal processing and cfar detector, analyse the structure and principle of the signal processor, ca - cfar and os - cfar detectors. then, in view of the characteristic of prc cw signal, analyses the statistics characteristic of scattering bodies, models of target, noise, ground - clutter and weather - clutter are made. these lay a theoretic foundation of signal processing and cfar detector

    然後,本文針對x波段偽隨機m序列相位編碼連續波號體制,分析了各種散射體的統計特性,對及檢測背景噪聲(熱噪聲、地雜波和氣象雜波)進行了理論分析和統計檢驗,建立了目及檢測背景的目模型,確立了號處理和恆虛警檢測的理論基礎。
  10. The induction of ais technology still ca n ' t integrated with the devices of old system satisfactorily, the data of ais is only shown on the electronic chart background in ecdis, but does n ' t fulfill the fusion with the data of radar. more, some system functions related with display and interface still need be perfected, such as quickly moving, auto select chart, static information associate with target display, etc. the integrated information processing and display system researched in this thesis has been successfully applied in some vts projects and related projects, such as cheng - dao oil field survey system, yan - tai mount vts rebuild project etc. to the disadvantage exposed to us in national and foreign vts system, and those putted up in application projects, the thesis did a farther study and consummation, and acquired some research fruits, as follows : 1. fulfilled the eagle eye function in electronic chart display system

    針對目前國內外vts系統中暴露出的薄弱點,以及應用實踐中表現出的不足本文對綜合息處理與顯示系統做了進一步的研究和完善,取得了以下的研究成果: 1 、電子海圖顯示系統中鷹眼圖的功能設置與實現; 2 、設計一種簡易的選圖演算法,通過該演算法實現可在海圖放大、縮小時的自動選圖; 3 、電子海圖上自動錄取區的實現(二次自動錄取) ; 4 、實現對和ais目數據及其誤差的軟體模擬; 5 、船舶自動識別系統中動態息與動態息的數據融合處理; 6 、利用數據融合技術解決跟蹤方面的問題; 7 、海圖空間息中顯示區域裁減演算法的設計,該模塊的實現大幅度提高了海圖的顯示速度。
  11. Studied the cluster and background reduction algorithm and, proposed an enhanced adaptive step average method based on the amplitude of a - scan signal ; 2. improved the gpr data acquisition and processing software, some utilities have been added such as position wheel control program, data format translation etc. ; 3. implemented 3d targets imaging using mixed programming of matlab and visual c + + ; 4

    本文的主要工作如下: 1 .研究了探地回波號雜波及背景去除演算法,改進了一種基於a - scan號強度的自適應滑動平均法; 2 .改進並完善了探地數據採集處理軟體,加入了定位輪控制數據採集、數據格式轉換、目距離測定等程序; 3 .研究了探地成像演算法,利用動態鏈接庫技術實現了在脫離matlab環境下在visualc + +編寫的程序中調用matlab程序對目進行三維成像的功能; 4 .參加外場實驗及項目驗收。
  12. Uwb technology has wildly applied in many filed such as short distance high speed communication, radar, wireless location and so on

    超寬帶無線電技術的應用領域也十分廣泛,如短距離高速通、目定位等。
  13. Through simulation we find the generated signal can be used in the simulation of the radar system and the moving targets are slow fluctuating targets at the most time

    運動目的回波模擬數據疊加上噪聲號和雜波號,共同作為模擬器的號輸入。
  14. That is, modeling radar system with software, and then recurring the produce, transmission processing by computer. the core of res is modeling the scatter and transmission of radar echo signal and varied radar clutter signals

    模擬的核心是建立回波號及各種雜波號散射、傳播特性的模型。雜波伴隨這產生而產生,對于的設計有著重要的影響。
  15. The results show that the technique can be effectively applied to such problems in gpr signal processing as detection and time delay estimation

    分析結果證明,這種方法可以有效地用於目檢測,時延估計等脈沖探地號處理中的關鍵問題。
  16. So this technical may improve the detecting performance. the relation between radar target _ detecting based on the radar ppi and radar t _ r system, singnal processor system is very little which is good to modify the old radar

    另外,基於ppi的檢測與收發系統、號處理系統的直接關系不大,這對于老式非相參的數字化改造十分有利。
  17. ( 4 ) after factual characteristics of targets and clutter have been studied, an approach of radar signal detection based on factual has been given and analyzed deeply, the influence caused by different window length, signal to clutter ratio ( scr ) and clutter background has been analyzed, then the monte - carlo simulation method has been used to analyze the detection performances

    ( 4 )研究了目和雜波的分形特性,深入研究了基於分形的號檢測方法,分析了不同滑窗長度、不同雜比和雜波背景變化情況對回波分形維數的影響,採用蒙特卡羅模擬分析該檢測器的性能。
  18. Based on the analysis of echo signal and ambiguity function of lfmcw radar, this dissertation advances new theories of lfmcw radar signal detection and estimation and eliminates range - velocity coupling using mtd - frequency domain pairing

    在對lfmcw回波號和lfmcw模糊函數進行分析的基礎上,提出了lfmcw檢測與參數估計方法,並利用mtd -頻域配對法消除lfmcw距離-速度耦合。
  19. The polarimetric information in the target scattering signal has great potential on target detection, enhancement, filtering and recognition. some novel techniques can be proffered for detecting concealed targets, weakening the influences of adverse em environments, confronting active jamming and recognizing targets. basic theory of radar polarization is studied firstly

    散射號中的極化息在目檢測、增強、濾波及識別中有著巨大的應用潛力,為系統在反隱身、削弱惡劣電磁環境的影響、對抗有源干擾和識別目等方面提供了新的技術途徑。
  20. Radar target simulator is used to generate radar echo signal comprised of target and radar environment

    模擬器是用於產生包含目以及環境息的回波號。
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