探雷速度 的英文怎麼說

中文拼音 [tànléi]
探雷速度 英文
mine-hunting speed
  • : 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)...
  • : 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形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. (快慢的程度) speed; rate; pace; tempo
  1. The effect of reynolds number on rudder hydrodynamic performance is also analyzed. up to the stall angle the computed lift and drag agree well with measurements and other author ' s calculations, whereas stall angle, lift and drag beyond the stall angle are slightly under - predicted. the solver is used to investigate laminar and turbulent separated flows around a 6 : 1 prolate spheroid at high incidence angles and their effects on hydrodynamic forces

    應用所開發的求解器,以naca0015翼型舵為算例計算了船舵在不同諾武漢理三;大學博士學位論文數下大舵角范圍內的三維粘性流場及水動力,成功地預報了舵的失角和最大升力,並初步討了諾數對舵水動力的影響;計算結果與現有試驗和計算數據比較,吻合程相當好,初步檢驗和驗證了該求解器精確模擬粘性流動和計算水動力的能力。
  2. Gpr is a newly developed hi - tech survey technique used to detect shallow ground electric differences. we applied gpr to more than 100 projects in zhujiang river delta and hongkong, and obtained good reputations. the application scope involves stratigraphics division, outining of filled stones in the muddly beach, geotechnical prospecting of old wall, karst detecting in the limestone terrain, caving detecting, landslide and slop surveing, the division of wea - thering zone, onion weathering zone, fracture zone and fau - lted zone in the granite area, detecting of buried objects cable, metal nonmetal pipe, channel, air raid she - lter etc. underground in the urban city, archaeology, tracing of orebody, coal measures strata division, testing of the dam and grouting site, quality checking of the surface and foundation of the highway

    的一種高新技術。我公司運用世界最先進的達設備在珠江三角洲地區和香港開展了百余項達檢測項目,獲得了良好的聲譽,並被作為深圳市建設局1998年建設科技成果推廣項目。它主要應用於:山體土石方檢測路基不同回填物界面檢測填海回填物巖溶檢測樁基無損檢測地下管道測地下隱蔽物測考古斜坡滑體測地質結構測湖底測高公路路面及路基檢測。
  3. Mathematic model of collision avoidance judging based on the information of distance, relative velocity and azimuth angle is made in this paper, it can effectively avoid inveracious alert, and it analyzes the processing method of many kinds information in the system

    本文根據測系統得到的目標距離、相對和方位角等信息,建立了監控系統防碰撞數學模型,與其他模型相比該模型能夠最大限地避免錯誤警報的發出,並且分析了各種信息在系統中的處理過程。
  4. The thesis firstly analyzes the signal form of frequency modulated interrupted continuous waveform ( fmicw ) in theory, studies the principles of detecting range and velocity for fmcw, and further discusses the essential processing methods of the fmicw signal form, including the range transform processing method based on the strict corresponding relation between time and frequency domain, the velocity doppler transform, the digital beam forming

    本文首先從理論上分析了在高頻地波超視距達所用的線性調頻斷續波信號的形式,研究了fmcw達測距測原理,並深入地討了fmicw信號的基本處理方法以及具體的演算法,主要包括距離變換中採用的時間波門相關處理方法,多普勒變換,數字波束形成。
  5. During an upper air sounding operation, a balloon filled with hydrogen carrying a radiosonde and a radar reflector was released. the ascent rate of the balloon was roughly 360 metres per minute

    在進行高空測時,氫氣球上掛上一個無線電空儀及一個達反射器,以每分鐘360米左右的上升。
  6. 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

    達是一種利用地下介質的不連續性來測地下目標的有效工具,具有快、測過程連續、操作方便靈活、解析高、不損壞被測目標等特點。本文研究的是淺地層達的信號處理,主要包括雜波抑制和目標成像。
  7. The relationship between the concentration of stabilizers, the rate of agitation, the concentration and series of the complex agents and the deposition rate was also studied in this paper

    並具有一定的達吸波性能。另外,對溶液中穩定劑的濃、攪拌、絡合劑種類和含量與沉積的關系進行了初步討。
  8. Secondly, two applications of gpml abc in modeling pulse radar are shown : one is detecting pipeline underground, and the other is its application to highway technology. thirdly, with back - projection algorithm, we have formed the image of tree - trunks. in summary, the application of fdtd in uwb fopen so far is impressive

    然後,對適用於有耗媒質的gpml邊界條件的應用開展了深入研究,對脈沖測地下管道和測量高公路瀝青層厚進行了fdtd演算法模擬。
  9. Seeing that typhoon has brought great harm to mankind, meterological departments of all countries have attached great importance to the forecast and precaution of tropical cyclones. the prompt development and the wide application of the technology of the satellite remote sensing, radar detection, numerical weather forecast. numerical statistics weather forecast and computer simulation forecast in the field of meterological supervision and forecast has enabled people to improve their forecast level greatly

    鑒于臺風對人類造成的巨大的危害,各國氣象部門都十分重視熱帶氣旋的預報預警工作。衛星遙感技術、測技術、數值預報技術、數值? ?統計預報技術以及計算機模擬預報技術的飛發展和在氣象監測預報領域的廣泛應用,使人類對熱帶氣旋的監測預報水平得到了大幅的提高。
  10. 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

    目前達在公路上的應用還主要局限於路面結構層厚的檢測,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,實現達對路面含水量、空隙率和壓實的快無損檢測,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,為路用達的實際應用測量提供理論依據。
  11. An on - line minimum - variance estimator was developed for thrust acceleration applied to orbit transfer using discrete - time radar measurements. the mass - flow - rate of propellant was selected as a state variant, which was estimated by employing an integral state model and ekf filter. the variation equations for measurement vector to mass - flow - rate have been established to linearize the discrete - time measurement equations. the algorithm has applied successfully to maneuver process in commanding satellite into geo - stationary orbit. the results show that the algorithm developed here can monitor and determine whether engine works well or failure precisely and quickly during orbit transfer process

    飛行器軌道機動過程中,為跟蹤、定位機動目標和干預機動控制過程,需要統計處理離散的達觀測量實時估計推進發動機的推力,進而確定飛行器的瞬時軌道參數.本文所述演算法是該工程問題的討和解決方案.文章建立了軌道機動過程中連續變質量運動模型和離散達量測模型,推進發動機的質量秒耗量作為表徵推力加的一個近似常量,應用擴展卡爾曼濾波對離散的達測量數據進行順序統計處理給出秒耗量的最小方差估計;文章詳細地推導了線性化量測模型的變分方程和觀測矩陣;模擬結果表明該演算法能快、準確地估計推進發動機的質量秒耗量和向機動目標施加的實際推力
  12. At last, pointing to the temporal characteristics and the spectral characteristics, this paper discussed the methods for estimating the maximal line velocity ( vmax ) and the glint periods ( tp ) of the hovering helicopter, and then fulfilled the recognition of hovering helicopter using these two message. in chapter 5, the summary of all the works in the paper and related conlusions are presented, and the defects are analized at last, at last this paper demonstrated the d

    最後,本文針對懸停直升機旋翼回波的時頻域特點,討了從回波信號中提取旋翼回波最大線v和旋翼回波閃爍周期tp的方法,在綜合利用這兩種信息的基礎上完成了彈載高重頻脈沖多普勒體制達對懸停直升機回波信號的識別。
  13. This system calculates the movement of rain areas detected by weather radars and then projects from these movements the rainfall in the territory

    該系統利用氣象測所得降雨分佈情況,計算降雨區的移動,從而推算香港境內的雨量。
  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

    為了分析主動測空間動態性能,本文首先提出以「目標進入達覆蓋區概率」 (簡稱為「覆蓋率」 )作為評價指標;然後將三維測空間轉換為不同高層對應的水平測圓,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、航線縱比及比對性能的影響。
  15. The paper introduces the principle of transient rayleigh wave exploration and the calculating process of f - k region analysis, according to experimental data analyzes the influences of the parameters on the calculation of phase speed of rayleigh wave and the various factors affecting transient state rayleigh wave exploration, at last, gives some advices on how to choose the best sampling rate, group interval, offset, vibrating source and receiver

    介紹了瑞波勘的原理和f - k域分析法的計算過程,分析了各參數對瑞波相計算的影響,通過實驗數據分析了影響瑞波勘的主要因素,就如何選擇最佳采樣率、道間距、偏移距、震源以及檢波器等提出了幾點建議。
  16. To investigate the aerodynamic design ideas and concrete methods of high performance low pressure turbine ( lpt ) at low reynolds number condition, a new lpt of high load, large chord and proper velocity distribution was designed

    摘要為了索高空低諾數情況下高性能低壓渦輪部件的氣動設計思路和設計方法,通過採用高負荷、大弦長的葉片設計和選擇恰當的葉片表面分佈形式設計了一臺新低壓渦輪。
  17. In addition to rainfall intensity, the radar also detects the speed of movement of raindrops using the doppler principle

    因此這臺達除可測降雨強外,還可利用多普勒原理來測雨點的移動
  18. Radar ( radio detection and ranging ) detect the objects in the space and estimate the objects " parameters, such as distance, azimuth, angle of elevation, velocity, by transmitting radio wave. in national economy, it is used in navigation, weather forecast, geological mapping, military affairs and so on

    達利用發射的無線電波測空間中的物體並確定其距離、方位角、仰角、等各項參數,廣泛應用於導航、氣象預報、地質測繪、軍事等領域。
  19. Comparing to the classic radar, the phased - array rader has smaller volume, lighter weight, higher accuracy, quicker reaction, lower power wastage, broader coverage and other advantages

    與傳統達相比,相控陣具有體積小、重量輕、測精高、反應快、功耗低、適用范圍廣等優點。
  20. It shows excellent results to reveal the efficiency of the method, also prove the superior science research value of pgpr and give direction for consummating the apparatus next step

    異常汽繞射波形得到有效的歸位,異常體空間位置與實際測量的結果基本一致並且處理快,不僅表明了該方法的有效性,證明相控陣達技術具有一定研究價值,也為儀器的進一步完善提供了思路。
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