立體雷達 的英文怎麼說

中文拼音 [lìtǐléidá]
立體雷達 英文
stereoradar
  • 立 : 動1 （站） stand; remain in an erect position 2 （使豎立; 使物件的上端向上） erect; stand; set up...
  • 體 : 體構詞成分。
  • 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...
  • 立體 : 1 （三維的） three dimensional; stereoscopic2 [數學] （幾何體） solid; body立體彩色電視 three dim...
  • 雷達 : [訊] radar （縮自 radio detection and ranging）
  1. The wind field retrieval data are obtained by plied muscat technique to transact the rude radial velocity data which were observed by dual - doppler radar volume scans

    該資料是用雙多普勒天氣雷達同步立體掃描數據，通過muscat技術，反演出風場。
  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. The initial field of the model is the in situ observational data. combining the observational data by the doppler weather radar, the distribution and evolution of macro - physical as well as micro - physical variations such as wind field structure, radar echo structure, overhang echo, bound weak echo region, strong echo wall, water content, etc. in the storm were analyzed

    利用中國科學院大氣物理研究所建立的完全彈性三維雹雲數值模式，模擬了1996年6月29日發生在北京東北部京冀交界地區的一次強單體雹暴過程，並結合多普勒雷達探測資料，分析了風暴的流場結構，雷達回波結構特徵，含水量場等宏微觀物理量的分佈及其演變。
  4. The forward model of gpr electromagnetic wave propagation in pavement system is developed based on maxwell equation in electromagnetic theory

    基於電磁波理論的基本原理，從maxwell方程著手，建立了雷達電磁波在路面結構體系中傳播的正演模型。
  5. The fusion of stereo vision and laser - radar ( ladar ) is also studied preliminarily in the background of alv navigation. by introducing the ladar data into the height prediction before matching, the fusion can occur on data layer. we have also found and practiced a feature layer fusion method based on dempster - shafer evidential reasoning approach

    將激光雷達的測量結果引入立體匹配前的高度預測中，提出了立體視覺與激光雷達在數據層上的信息融合方法;基於d - s證據理論，提出了立體視覺與激光雷達在特徵層上的信息融合方法。
  6. For parameter a, there is a close relationship exist between a ( 9, sr ) in two different radar incident angle that can be expressed as : with considering the effects of soil texture, we get the final expression of the inversion model : where mv ( t1 ), mv ( t2 ) is volumetric soil moisture content in two different temp, c, d is soil type related parameters, and v ( t1 ), s ( t2 ) is coresponding bare soil radar backscattering coefficients. inversion results show that for the c band hh polarized radarsat scansar data with a range of incidence angle from 20 to 40, the soil moisture change value can be derived with an acceptable accuracy using the above model. the temporal and spatial soil moisture change patterns are associated with rainfall and vegetation cover, as well as the soil hydraulic characteristics

    利用最新發展的電磁波散射模型研究了不同植被覆蓋地表雷達波對地表土壤水分的敏感性，建立了半經驗植被雷達後向散射模型; 2 ） .研究發現在農作物等矮小植被覆蓋地表，植被層直接後向散射與植被類型相關，且在植被生長期，雷達後向散射系數對植被含水量的敏感性要高於對植被高度變化的敏感性; 3 ） .解決了單參數雷達地表土壤水分反演問題中，雷達入射角和地表粗糙度的影響這一難點問題; 4 ） .利用土壤介電模型校正了不同土壤類型對反演地表土壤體積含水量的影響; 5 ） .在以上成果基礎上，建立了完整的單參數雷達地表土壤水分變化探測反演演算法，經地表驗證，模型反演地表土壤水分變化值的精度為rmse = 0
  7. The above images show 3 - dimensional view of rain, in various shades of grey, as detected by hong kong observatory s radar

    上圖像為天文臺雷達探測到的雨區，以不同灰度顯示的立體圖像。
  8. 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。
  9. Lms ( laser measurement system ) is calibrated by the vision system in this research, with an objection to fuse the data received by the lms and those from the ccd cameras, which is the base for the later slam work

    激光測距雷達的精度較高，方向性好，在移動機器人研究中得到了廣泛應用。本課題提出了一種基於雙目攝像機立體視覺系統對激光傳感器進行標定的演算法。
  10. The algorithm features full utilization of different installation positions and different angular resolutions of the two lrfs by assigning different tasks to them. the top lrf was used to set up the initial trace of new obstacles recognized from the result of d - s evidence theory based multi - period data fusion and the bottom one was used to maintain tracking of obstacles, providing relatively accurate positions of the obstacles

    該演算法的特點在於充分利用了兩個激光測距雷達的不同安裝位置、不同解析度對障礙檢測造成的有利條件，將多目標跟蹤的理論和技術融入障礙檢測的軟體框架中，並結合d - s證據理論融合多測量周期的識別結果，由頂雷達建立障礙的初始航跡，而底雷達進行航跡的跟蹤和維持。
  11. 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信號體制，分析了各種散射體的統計特性，對雷達目標及檢測背景噪聲（熱噪聲、地雜波和氣象雜波）進行了理論分析和統計檢驗，建立了目標及檢測背景的目標模型，確立了信號處理和恆虛警檢測的理論基礎。
  12. The forward model for gpr electromagnetic wave propagation in pavement system is established based on the basic theory of electromagnetic through analyzing the propagation characteristics of electromagnetic wave propagation in pavement, then the reflected signals of gpr wave propagation in different pavement structures are simulated

    基於電磁波基本理論，通過分析雷達電磁波在路面結構層介質中的傳播特性，建立了雷達電磁波在路面結構體系中傳播的正演模型，並依據該模型模擬合成了不同路面結構體系中雷達波的反射信號。
  13. In this paper, the main problem is to detect the position and velocity of moving target by fractional fourier transform which could be concluded by three parts, the echo model establishment of moving target, the realization of fractional fourier transform and parameters estimation of moving target, detailed contents are as follows. firstly, the paper analyses the echo model of sar static target and introduces a kind of sar imaging algorithm, range - doppler ( r - d ) algorithm

    本文的主要內容包括三個部分，即動目標回波模型建立、分數階傅立葉變換的實現和動目標參數估計，具體來說，其內容如下:首先，本文研究分析了合成孔徑雷達靜止點目標的回波模型並介紹了一種基本的合成孔徑雷達成像演算法? ?距離-多普勒（ r - d ）演算法。
  14. The current gpr data analyzing method for pavement thickness can only give the acceptable results for new asphalt concrete pavement, but for aged asphalt concrete pavement and cement concrete pavement, the accuracy is not satisfactory because of the theoretic modeling and data acquisition difficulties. the study on pavement compaction, moisture content and asphalt content is under exploration and the program for processing gpr data based on rigorous theoretic model can not be found in literature

    由於理論模型及信號採集等方面的困難，現行路面雷達厚度分析方法僅對新鋪瀝青混凝土路面有相對較好的檢測精度，而對舊瀝青混凝土路面和水泥混凝土路面的檢測精度卻不能令人滿意，對路面其它技術指標如壓實度、含水量以及瀝青含量的研究還處于探索階段，建立在嚴密理論模型基礎上的數據分析軟體系統尚處于空白狀態。
  15. In this dissertation, the principle of fem in em was discussed, then the pulse radar and three - layered pavements were analyzed with 20 - noded and 4 - noded isoparametric elements respectively. then, corresponding fem programs are compiled in fortran90. so a forward model was built up to describe the transmitting of electromagnetic in the radar and pavements, according to the system identification method

    針對上述情況，本文系統闡述了電磁場有限單元法的基本原理，然後採用二十節點、四節點等參單元分別對pulse雷達實體及三層路面系統進行了靜態場和時變場的有限元分析，初步建立了電磁波在三層路面中傳播的正演模型，同實測波形相比，模擬效果較好，並用fortran90語言編制了相應的三維、二維有限元程序，具有較好的可讀性和可移植性。
  16. 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。
  17. Based on principles of radar, there brings up a general scheme of fault diagnosis system and detailed description to fault module division, fault location and setup of fault tree

    在介紹雷達原理的基礎上，提出了故障診斷系統的總體方案，對故障塊的劃分，檢測點的確定，故障樹的建立等進行了詳細說明。
  18. It demonstrates the general project of vehicles mutual moving - state detection and control system, which use a frequency modulated continuous wave ( fmcw ) radar with the antenna replaced by a frequency scanning array as the basis of detecting sensor

    文中闡述了汽車相互運動狀態監控系統的總體方案，使用調頻連續波（ fmcw ）雷達作為探測傳感器的基礎，並在天線部分作了改進，採用了獨立的頻率掃描天線。
  19. Three - dimensional radar image provides a vivid perspective of the structure of rain and storm

    立體雷達圖像能清晰地顯示雨及風暴的結構。
  20. York s three - dimensional radar image provides a perception of the structure of rain and storm

    約克的立體雷達圖像有助理解雨及風暴的結構。
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