雷達探測特性 的英文怎麼說

中文拼音 [léidátàncètèxìng]
雷達探測特性 英文
radar detection characteristics
  • 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...
  • 探 : Ⅰ動詞1 （試圖發現） try to find out; explore; sound 2 （看望） call on; visit; see 3 （向前伸出）...
  • 測 : 動詞1. （測量） survey; fathom; measure 2. （測度; 推測） conjecture; infer
  • 特 : Ⅰ形容詞（特殊; 超出一般） particular; special; exceptional; unusual Ⅱ副詞1 （特別） especially; v...
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 雷達 : [訊] radar （縮自 radio detection and ranging）
  • 探測 : survey; search; sound; probe; sounding; detection; acquisition; reconnaissance; localization; fin...
  • 特性 : characteristic（s）; character; performance; features; properties; behaviour; response; character...
  1. In order to detect the bottom thickness, cavity, leak and deformation of steel meshes in secondary lining of concrete in tunnel construction, the authors evaluate the wave character and the detected result in the second lining of the tunnel using surveying radar technology and conclude the wave character in the tunnel lining which has mass defect and tested the accuracy and reliability of this technique

    摘要為檢明隧道混凝土二次襯砌中的底界厚度、空洞、漏水、鋼筋網變形等質量問題，利用探地雷達技術，通過對檢測方法及工程檢測實驗的研究，進行隧道二次襯砌中雷達波形特徵參數及檢測結果評價，總結了隧道襯砌質量問題的雷達波形特徵，驗證檢測方法的精度和可靠性。
  2. 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。
  3. In the research realm of the target identify, an important topic is to minish the laser radar cross section of the space target for target stealth. the laser radar probes a target is based on the target under the laser, the space and time distribute characteristic of the strength ? polarization and phasic of the laser scattering etc. to identify a target

    在目標識別研究領域有一個重要的課題是減小空間目標的激光雷達散射截面便於目標隱身。激光雷達探測目標是根據目標在激光照射下，激光散射的強度、偏振和相位等的空間和時間分佈特徵來識別目標，目標表面粗糙度是影響目標激光散射特性的重要影響因素。
  4. In this paper aircraft has made vertical and synthetic detecting flying purposefully on 9. 17, 2003 according to cloud ' s macro and microstructure. vertical layers and representative places of stratiform cloud on 9. 17, 2003 are analyzed using the observational data of particle measurement system ( pms ), combined with satellite data, radar data, and precipitation data on ground. by this we have got cloud ' s microphysical structure and physical process of the natural precipitation, and the physical effect evidence has been testified according to observational data after lco2 seeding

    本文用綜合觀測的方法，利用機載pms雲粒子探測系統，根據雲系的宏微觀結構特徵進行有針對性的垂直探測飛行，配合衛星、雷達、地面雨量、雨強計網觀測資料對2003年9月17日延安降水性層狀雲系中那些有代表性的部位或垂直分層做細致的觀測分析，獲得雲系的微物理結構和自然降水形成的物理過程，並用觀測事實來驗證人工增雨引晶催化后的物理響應判據。
  5. The ground penetrating radar ( gpr ) is an effective tool to detect buried targets based on the dielectric discontinuity, which possesses a lot of virtue, such as rapid and continuous surveying, simple and convenient operation, high resolution, nondestructive detection etc. this dissertation studied shallow depth signal processing technology of gpr and focused on the clutter reduction and targets imaging

    探地雷達是一種利用地下介質的不連續性來探測地下目標的有效工具，具有探測速度快、探測過程連續、操作方便靈活、解析度高、不損壞被探測目標等特點。本文研究的是淺地層探地雷達的信號處理，主要包括雜波抑制和目標成像。
  6. This thesis includes the following research contents. first part is about the development of database information system of radar stealth measures about modern advanced aircraft

    本文分兩部分，即飛機雷達隱身措施數據庫信息系統的開發和飛機紅外輻射特性計算研究以及紅外導引頭探測概率估算。
  7. Netradar system is an important research subject in the area of internet security. it ' s aim is to detect the foundational terminals of and the route to a certain aimed intranet ; to scan the softwares that run on the terminals ; to find the services which are provided by the terminals ; to determine the vulnerabilities of the services and the distribution of the vulnerabilities. ater all the above have fmished, the netrada system attacks the vital terminals or the vulnerable terminals and controls them automatically

    網路雷達系統（ netradar ）是網路安全領域的一個研究課題，該課題的研究目標包括三個方面：探測接入internet的特定目標網路的基礎設施、到達該目標網路的路徑；掃描支撐目標網路運行的軟體實體的類型、提供的服務、探測出其軟體實體的漏洞和脆弱點分佈等信息；根據目標網路的基礎設施構架、拓撲信息、漏洞和脆弱點分佈等信息，有針性對的選取關鍵設備或者防護較弱的設備進行攻擊與控制。
  8. Abstract : on the basis of geological setting, burial characteristics and circumjacent environment of the graveyards of the spring and autumn period, the period of warring states, qin dynasty and han dynasty in hunan province, the authors used such geophysical and geochemical integrated methods as radiometric radon survey, mercurometric survey and ground penetrating radar to explore four large - medium - sized ab chu - tombs in a certain county in northwestern hunan and yangjianshan ancient tombs in changsha city. the results indicate the successfulness in prospecting for the integrity of the anciernt tombs

    文摘:根據湖南春秋戰國?秦漢古墓葬地質條件、埋葬特徵與周邊環境，遵循準確、簡便、快捷和經濟的原則，選擇並運用放射性氡測量、汞測量和探地雷達等方法，對湘西北某縣ab戰國楚墓群4個大中型古墓和長沙楊家山古墓開展物化探綜合勘查試驗，取得了古墓完整性勘查研究的初步成功。
  9. Moisture, the voids and the density of the pavement are expected for many operators in the road department. in order to promote the application of gpr to detect pavement quality as quickly as possible, in this paper some research works were zone. the mainly research results includes the following aspects : ( 1 ) since the dielectric constants of pavement medium have important influence on radar detection results, dielectric properties of pavement layers materials are analyzed for the design of practical gpr system and field application

    目前探地雷達在公路上的應用還主要局限於路面結構層厚度的檢測，對路基路面物理力學指標的無損檢測被廣大公路工作者寄予厚望，這一技術的應用還有很多的工作要做，為了使其早日應用於實際，實現探地雷達對路面含水量、空隙率和壓實度的快速無損檢測，本文具體做了以下的一些工作： （ 1 ）鑒于介電常數對探地雷達檢測的重要影響，對路面結構材料的介電特性進行深入分析，為路用探地雷達的實際應用測量提供理論依據。
  10. The reflected wave will be received by the receive antenna and transferred to digital data. we can analyze the data that saved by the computer of gpr to deduce the medium ' s property, situation, location and so on. being a kind of nondestructive, untouched method, it has many advantages such as nondestructive, rapidness, simpleness and high precision, so it will have wide applications in the ways of examination, control and maintenance to road quality, especially for highway

    路用探地雷達是近幾年發展起來的、應用於公路無損檢測的一項新技術，它利用超寬帶脈沖電磁波對路面結構層進行探測，當雷達發射天線發射的電磁波在路面結構層中傳播時會在介電特性突變處產生反射和透射，反射回來的波經由接收天線接收並轉化為數字信號儲存起來，通過分析探地雷達回波信號來估計路面結構層的性質、狀態和位置等特徵。
  11. Detailed diagnoses is made on a heavy - hard rain in the northeast qinghai - xizang plateau using ncep data of 1 x 1 with 6h intervals, more complete and integrated conventional observational data and the data set of automatic meteorological stations in plateau and new generation doppler radar data and satellite images and etc. the following conclusions can be drawn : 1. the distribution of heavy - hard rain, which is characteristics of valley topography in northeast qinghai - xizang plateau is obviously effected by topography. the distribution of yearly mean precipitation and the frequencies of heavy - hard rain in this area are descending from east to west

    本文首先利用ncep時間間隔為6小時的1 1的格點資料、更全面、更為完整的常規探測資料和高原地區布設的自動氣象站資料、新一代多卜勒天氣雷達資料、衛星雲圖資料等對高原東北部地區大到暴雨的天氣、氣候特徵及大尺度環流背景進行分析，形成對高原暴雨的整體認識，並為以後的數值模擬提供大尺度環流背景及依據，分析中發現： 1 、高原東北部地區大到暴雨的分佈明顯受到地形影響，年降水量和大到暴雨次數自東向西呈階梯性遞減趨勢，分別在高原東北部的外流河谷地區和四川北部地區存在大值中心。
  12. Also, as the combination of action unit and detection unit, it is very flexible, agile and aggressive and becomes one of the key technologies in warfare. the study in this paper is performed around the key problems of the technology of location and tracking with network of passive airborne radars

    機載無源雷達組網作為無源探測和雷達組網的結合兼具二者共同的特點，同時又可以實現偵察平臺與作戰平臺相結合，具有很強的機動性、靈活性和攻擊性，將是今後戰爭中所依賴的關鍵技術之一。
  13. Firstly, we introduce the radar equation of weather radar, the basic principles of detection weather targets, the time and frequency domain properties of weather radar echo and its simulation methods

    首先簡要介紹了氣象雷達的雷達方程、氣象雷達探測氣象目標的基本原理、氣象目標回波的時域頻域特性和氣象回波信號的模擬方法。
  14. During this paper, definition of the measure enter - cover - probability is given, andthree - dimension detection space are transformed to level detection circles on differentheights. aiming at the most normal situation of symmetric line, cross - to line and cross - awayline taken by the carrier, probablely - enter - cover - target - distribution are analysed in relativemovement method on the premise that targets fly perpendicular to the flying direction of thecarrier. mont - cario method is used to simulate uniformly - distributed - targets situation and getthe measure, and results are used to analyse the influence of line - landscape - orientation - ratio, line - portrait - ratio, and speed - ratio on the measure. for further research, influences of height and blind space are also discussed on base ofradar level detection range, and situations of non - uniformly - distributed targets are alsoresearched

    為了分析主動探測空間動態性能，本文首先提出以「目標進入雷達覆蓋區概率」 （簡稱為「覆蓋率」 ）作為評價指標;然後將三維探測空間轉換為不同高度層對應的水平探測圓，針對載機採用雙平行航線、交叉相向航線和交叉同向航線的最一般情形，採用相對運動的方法，分析目標垂直入侵時可能進入雷達覆蓋區的目標分佈情況;再運用蒙特卡洛法進行模擬計算，分析並比較目標服從均勻分佈時航線橫比、航線縱比及速度比對性能的影響。
  15. According to state - of - the - art of evaporation duct propagation research, and to meet the demands on the prediction techniques of evaporation duct environment and the assessment of radar performance under evaporation duct environment, this dissertation gives a thorough research in depth on the subject described above. the researches include the prediction theory of evaporation duct and its applications, the theory of ray tracing based on which the prediction of radio wave rays are conducted and its application to the predicting of radar range performance under a given evaporation duct, and the characteristics of tropospheric ducts over china

    根據上述情況，結合我國盡快得到蒸發波導環境預測技術及在其中運作無線電系統的性能預測技術等需求，本文針對蒸發波導傳播及其相關應用這一熱點難點問題較深入地研究了蒸發波導環境預測技術的理論及其應用、蒸發波導環境中雷達探測性能評估所要求的基本理論之一? ?射線描跡技術及其在代表性蒸發波導環境中雷達探測性能評估技術方面的應用和我國應用所需的我國大氣波導環境特性等幾個方面。
  16. Firstly, this paper analyzes the function and project requirement that should be achieved, and puts forward overall architecture of the virtual drone simulation system. secondly the object - oriented modeling method is researched in the paper, accordingly simulative physical models of virtual drone based on object - oriented technique and modularizing structure are established. the physical models include model of dynamics and kinematics, model of radar electromagnetic wave reflection, model of infrared radiation, model of detection system, model of weapon system and model of combat evaluation

    在深入分析系統建模方法的基礎上，對面向對象的建模方法進行了一定的探討，建立了基於面向對象技術的虛擬靶標模擬物理模型，該模型嚴格按照模塊化的結構設計，包括動力學運動學模型、雷達反射特性模型、紅外輻射特性模型、探測系統模型、武器系統模型、作戰評估模型六個子模型。
  17. By the use of “ radar target backscattering simulation software ” and through many flight mode and research mode experiments with the u. s. - made helicopter ah - 64 as an example, a detailed analysis of helicopter echoes ’ time, frequency domain and time - frequency distribution characteristics is made. finally, according to these features, a tentative plan to detect hovering helicopters is proposed

    本文利用專門的電磁模擬軟體，以美製「阿帕奇」直升機為例，詳細分析了直升機雷達回波的時域、頻域和時頻分佈的特性，並根據這些特點提出了雷達探測武裝懸停直升機的初步方案。
  18. The way reduces the error. this paper also particularizes the prime parameter of the echo - - radar cross section ( rcs ) which is influenced by many factors. considering the fluctuation of rcs and the modulation by the radar antenna, the paper contains both slow and quick fluctuating targets

    兩種回波的模擬數據表明：模擬結果與理論模型的結論符合很好，能夠滿足運動目標回波幅度分佈特性的要求；並且在多數情況下，雷達探測到的目標都是慢起伏目標。
  19. Based on geological radar penetrating practice for soil and stone dam hidden dangers of reservoirs in northwestern loess areas and from the variations of the disturbance, pore ratios and water contents of the soil bodies in the percolation positions, the authors analyzed the variations of geological waveform characteristics and waveform phase axis continuation, and summed up the graph characteristics of the percolation hidden dangers in different periods

    摘要通過西北黃土地區水庫土石壩滲流隱患探地雷達探測實踐，從滲流部位的土體擾動、空隙比、含水量的變化入手，分析探地雷達波形特徵變化、波形同相軸連續性的變化，總結了滲流隱患不同時期的探地雷達圖像特徵。
  20. The article introduced technical advantages of infrared imaging detection technology in martial filed, analysed target detection principium of radar / infrared synthesis detection system, and wrote out the methods and processes how to calculate target detection probability of synthesis detection system at the condition of oppressive jamming

    摘要簡要介紹紅外成像探測技術在軍事應用領域的技術優勢及其目標探測特性，分析了雷達與紅外成像探測器融合的綜合探測系統的目標探測原理，給出了實際計算該雷達紅外綜合探測系統的目標探測概率的方法和步驟，並舉例計算分析了壓制性干擾情況下綜合探測系統的抗干擾能力。
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