雷達標圖 的英文怎麼說

中文拼音 [léidábiāotú]
雷達標圖 英文
radar plotting
  • 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...
  • 標 : Ⅰ名詞1 [書面語] （樹梢） treetop; the tip of a tree2 （枝節或表面） symptom; outside appearance; ...
  • 圖 : Ⅰ名詞1 （繪畫表現出的形象; 圖畫） picture; chart; drawing; map 2 （計劃） plan; scheme; attempt 3...
  • 雷達 : [訊] radar （縮自 radio detection and ranging）
  1. Chapter 3 studies the false target jamming. jamming signal generation formula is proposed by the investigation of simultaneous ground echoes of two different point targets in radar beam. comprehensive research about the characteristics of jamming signal is made, and raw data is used in simulation

    第三章對虛假圖像干擾進行了研究，通過對雷達波束內兩個不同的點目標在同一時刻的回波信號進行的分析比較，推導了干擾信號的生成公式，對干擾信號的特徵作了詳細的分析，並結合實測數據做了模擬實驗。
  2. Ship detection algorithm in polarimetric sar images

    極化合成孔徑雷達圖像船舶目標檢測演算法
  3. In order to obtain the complex rcs of the target quickly in high frequency band, the graphical electromagnetic computing software, greco, is used. the modification of the computing kernel code is presented. the judgement of edges of complex targets is more sufficient and the computation of edge wave based on physical theory of diffraction ( ptd ) is more exact after the modification

    為了可以準確地預估雷達目標的rcs ，我們對于航天部207所的圖形電磁計算軟體（ greco ）進行了進一步的開發與包裝，用borland公司的c + + builder開發了更加易於使用的基於windows操作系統的新版greco ，並且在考察了原有的greco計算內核之後，結合計算機圖形學方面的理論，對greco的內核代碼進行了改進，整體上使得邊緣繞射場的計算結果更加準確。
  4. Considering the characters of 3 - axes coordinate system that is not included in ship rectangular frame or inertial frame, compensation conditions are deduced through studying the effects of ship - swing. the paper studies how to transfer line velocity and acceleration in the inertial frame to angular velocity and acceleration which correspond each axis, then gives the computer function scheme. servo control scheme which can overcome ship swing and realize moving - target accurate tracking is designed according to inconsistency of radar base angle and beam angle

    針對三軸軸系既非甲板坐標系又非大地坐標系的特點，既研究了船搖對正交三軸雷達系統的影響，推導實現船搖不變性的補償條件，又研究了將目標在大地坐標系中的線速度和線加速度濾波值折算到各軸對應的角速度和角加速度值的計算關系，並作出了計算機功能框圖。
  5. Firstly, the paper carries on comparative analysis to the marketing result of travel websites between two countries with the correspondence analysis. especially, studying website content is unsuitable to use correspondence analysis, we use radar diagram go on comparative analysis

    首先，本文採用了對應分析法對兩國旅遊網站的營銷效果進行比較分析，對其中不宜使用對應分析法來研究的特殊指標? ?網站內容，本文使用了雷達圖對其進行單獨比較分析。
  6. The results of the experiments indicate that the main performance of the ladar prototype matches the design requirement theoretically. the ladar prototype has many advantages, such as high imaging speed, high image resolution, high ranging precision and high quality intensity image, which can be obtained simultaneously

    實驗結果表明，所研製的成像激光雷達的主要性能指標與理論設計基本一致，具有成像速率高、圖像解析度高、測距精度高以及可同時獲得高精度強度圖像等優點。
  7. Ata. maritime navigation and radiocommunication equipment and systems - radar plotting aids - automatic tracking aids - methods of testing and required test results

    船舶導航和無線電通信設備和系統.雷達標圖裝置.自動跟蹤標圖裝置
  8. Arpa. maritime navigation and radiocommunication equipment and systems - radarp lotting aids - automatic radar plotting aids - methods of testing and required test results

    船舶導航和無線電通信設備和系統.雷達標圖裝置.自動雷達標圖裝置
  9. 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。
  10. Ultra windband synthetic aperture radar ( uwb - sar ) has a broad applications because it can produce fine images of concealed targets with the capabilty of penetrating the foliage and the surface of the earth. lt has been an important sign for acquiring high - resolution images of uwb - sar for real time processing, and the efficient imaging algorithm is the pivotal and the fundation

    超寬帶合成孔徑雷達（ uwb - sar ）能夠穿透葉簇和地表實現對隱蔽目標的精細成像，有著廣泛的應用前景，高解析度uwb - sar圖像的實時獲取已成為成像雷達發展的一個重要標志，而高效成像演算法又是它的關鍵和基礎。
  11. With the development of sar ( synthetic aperture radar ) technology, a large amount of images are made by space - borne and airborne sar, it ' s important to use atr technology in sar images analysis and advance the level of target recognition of high - resolution radar

    合成孔徑雷達（ sar ）技術不斷發展，星載與機載sar成像數量極大，在sar圖像分析中應用atr技術，加強對高解析度雷達圖像目標的識別分類具有重要價值。
  12. 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。
  13. Considering practical needs and developing trend of vts, based on analyzing the signal characters of vts radar video, studying basic data compression principles in information theory, comparing international coding standards in the forefront of image processing, a vts radar video coding system suitable for transmission in the narrow channel is proposed in this thesis. its main block ? oder and decoder, is realized in the common pc with software. the working process is demonstrated detailed

    結合vts系統的現實要求和發展方向，本文從vts雷達原始視頻圖像數據的特點出發，從信息論中關于數據壓縮的基本原理出發，從現代信號處理特別是圖像信息處理領域中的壓縮編碼國際標準出發，提出了雷達原始視頻編解碼系統方案，其主體部分? ?編解碼器是在pc機內利用壓縮軟體實現，闡述了系統工作流程；提出了基於jpeg壓縮演算法和h
  14. 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信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 、實現對雷達和ais目標數據及其誤差的軟體模擬； 5 、船舶自動識別系統中動態信息與雷達動態信息的數據融合處理； 6 、利用數據融合技術解決雷達目標跟蹤方面的問題； 7 、海圖空間信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。
  15. Cfar target detection in sar imagery

    合成孔徑雷達圖像的恆虛警率目標檢測
  16. Epa. maritime navigation and radiocommunication equipment and systems - radar plotting aids - electronic plotting aid - performance requirements - methods of testing and required test results

    船舶導航和無線電通信設備及系統.雷達標圖輔助設備.電子標圖輔助設備
  17. The following figures show the + / - 120 - degree coverage of the radar scan relative to your nose. the radar beam sweeps back and forth from your 8 o ' clock to your 4 o ' clock position

    下圖標明了雷達在機頭+ / - 120度掃描的覆蓋范圍。雷達波束在8點和4點之間來回掃描。
  18. Firstly, the study of real two - channel data recorded by the airborne battlefield radar is made based on the methods of gmti, which including the study of methods of two - channel equilibrium, that of the precious estimate of beam scanning angle, that of the doppler center, that of the compensation for pattern error and that of gmti and that of location of the moving target using the phase - comparison mono - pulse method

    首先，結合動目標檢測方法，對機載遠程戰場偵察雷達實驗系統錄取的雙通道數據的處理進行了研究。內容包括兩通道均衡方法研究，波束掃描角精確估計方法研究，多普勒中心估計方法研究，方向圖誤差補償方法研究，動目標的檢測和干涉定位方法研究。
  19. In this way, we get result in long time and great error. we need a standard result on how to evaluate a student ' s grade. now on radar simulator we can n ' t get the standard result and this makes error on evaluation. at the same time, we can only get dcpa and tcpa on radar / arpa

    在目前的雷達模擬器上，進行雷達標繪通常都是採用手工幾何作圖的方法進行的，時間長，誤差大，而對于如何評價和確定被訓練者的成績，則必須有一個標準值即標準答案。
  20. Combined with the the natural science fund of jiangsu province ( n0. bk2001047 ) which name is “ research on sar image evaluation ”, this paper uses above - mentioned methods to sar image processing, proposes new algorithms of speckle suppression and target detection for sar image and researches on abilities of these algorithms

    本文結合江蘇省自然科學基金（ n0 . bk2001047 ） 「合成孔徑雷達（ sar ）圖像定量評估研究」 ，將上述兩種變換應用於sar圖像處理，提出了新的sar圖像相干斑抑制和目標檢測演算法，並對演算法的性能進行了研究。
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