測速場 的英文怎麼說

中文拼音 [chǎng]
測速場 英文
speed trial ground
  • : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • : 場Ⅰ名詞1 (平坦的空地 多用來翻曬糧食 碾軋穀物) a level open space; threshing ground 2 [方言] (...
  • 測速 : logging speed
  1. At first, in the process of experiments, it were measured that dry plate pressures drop and point pressures in the flow fields around the single fixed - valve and double fixed - valves under different velocities by using of pitot tube. after that point pressure was transformed to point velocity, two dimensions flow plane of flow fields around fixed - valve were plotted to observe the difference between of the fixed - valve tray with fold edges and the common rectangular fixed - valve tray on the distributions of flow fields and pressures, to provide comparisons and refer - rence for cfd simulation

    在實驗中,利用管等儀器對在不同度下的單閥和雙閥固定閥周圍的流進行了點壓力量,然後把點壓力轉化為點度后繪出固定閥周圍流的二維流線圖,同時定了塔板的干板壓降,來考察新型固定閥帶折邊后對流分佈和壓降的影響,為隨后的數值模擬提供對比和依據。
  2. The typical velocity field and the pressure on the step surface of the stepped spillway are measured using the laser doppler anemometer and the piezometer tube respectively

    採用多普勒激光儀和壓管分別對階梯溢流壩面典型和階梯表面壓力進行詳細量。
  3. The modified traveling wave monopole model is employed in simulating the electron beam in crt of computer vdu. meanwhile acceleration fields of the electron beam are studied in details and its expression given for the first time with measured results. a novel analyzing method is proposed to study the spectrum of electromagnetic information leakage based on the viewpoint of field point, which has been verified effective by experiments

    採用經修正的行波單極子模型模擬計算機陰極射線管顯示器電子束,並詳細研究了電子束的加,首次給出了其計算公式和實驗試結果;還提出了一種新的從點出發的信息電磁泄漏頻譜分析方法,實驗證明了其有效性; 3
  4. Abstract : through study on energy dissipation of goupitang project on the wu - jiang river, the velocity field in the water cushion pool downstream ski - jump or drop was measured by hot - film anemometers on a fine model with scale 1 380

    文摘:結合烏江構皮灘水利樞紐工程消能問題研究,用熱膜流儀在比尺為1 380的精細模型上量了拱壩挑跌流在水墊塘內的流,並由試驗成果分析了淹沒射流在水墊塘內的消能過程,計算了消能率。
  5. Air is entrained as water jetting into water cushion pool, the gas - liquid two phase flows field are formed. the every phase velocity field are measured by using piv and ptv ( particle tracking velocimetry ) method in the course of jet angle 75and60 in gas - liquid flows of water cushion pool. image house of two phase flows are set up

    西安理工大學碩士學位論文使用數字圖像處理技術中的piv和ptv技術就射流入水角75度和60度兩種情況分別量了水墊塘模型水氣兩相流流的各相,建立了相應的兩相流流態圖像庫。
  6. 3. a three - dimensional - acoustic doppler velocimeter has been used to measure the velocity and turbulence in a compound channel with vegetated and unvegetated flood - plains. particulary in the interface region between main channel and floodplain. the distribution in three coordinate directions of velocity and turbulence intensities and the renolds stresses are presented. the momentum transfer at the main channel flood - plain interface can be described as an apparent shear stress which can be quantified as a function of the local turbulence at the interface

    採用adv對灘地種樹前後灘槽交界區域的流進行了量。分析了灘槽交界區域的垂線流、紊動強度和雷諾應力的變化。將灘槽交界的動量傳遞描述為一表觀應力,這個表觀應力可以看作是交界面處的脈動函數並將其定量化。
  7. The flume experiment with single spur dike is carried out. water surface profile and velocity field of flow in flume are measured by manometer tube and propeller current meter respectively

    首先進行了單丁壩水槽實驗,採用壓管和旋漿流儀對實驗水槽中水流的水位以及流進行了詳細的量。
  8. Based measured aerodynamic parameter and simulated wind speed field, time - domain expression of static wind load, buffeting load and self - excited load for bridge and vehicle are introduced

    基於試的氣動參數和模擬的脈動風,給出了車輛和橋梁靜風力、抖振力及自激力的時域表達式。
  9. The results of simulations and experiments not only demonstrate that the method of rotor flux estimation on the basis of the voltage model is used in the range of high speed, but also show that the method of flux estimation affects the validity of speed identification directly

    針對1 . 1kw異步電機進行了實驗,模擬和實驗結果都表明電壓模型磁鏈觀法適用於高合,同時說明磁鏈觀方法的優劣直接影響到電機轉辨識結果的準確性。
  10. The millimeter has the largest frequency band and the highest velocity of communication, but it has the highest cost and technical defaults : multi - path effect, reflect and scatter caused by cloud, smoke, water - dropping, the buildings, the grounds and its shape, the interference caus ed by the thunder, the complexity of device, difficult maintenance, and so on. now the band of the leakage coaxial line is up to 3ghz, leakage coaxial line has some advantages : good adaptability to cloud, smoke, water - dropping, the buildings, the grounds and its shapes, good steady field, it has some technical defaults : lower resolution for location and measuring velocity, the more complex of its sending - receiving relay devices, weak anti - interference, the strict demand for the hole size in the line, the cleaner work environment and the higher cost

    毫米波具有最大的帶寬和最高的通信率,但也有最高的成本要求和較難克服的技術問題,即傳播的多徑效應,降水、雲霧、地形、地貌、建築物等的反射散射,打雷時的嚴重干擾,設備復雜,維護困難等等;泄漏同軸電纜的帶寬目前已做到3ghz ,具有對地形地貌建築物的適應性強,強穩定,但它的定位精度低,它的收發中繼設備較復雜,抗干擾能力低,電纜上的開槽有著嚴格的尺寸要求,工作環境要求清潔,成本較高;傳統無線感應技術具有結構簡單,成本低廉,維護方便,定位精度較高的優點,但是,它沒有抗干擾能力。
  11. The turbulence properties of annular space in a cyclone were investigated by using the laser doppler velocimetry

    摘要採用激光多普勒系統試了蝸殼式旋風分離器內的流,分析了環形空間內的湍流特性。
  12. In response to the demands from a proving ground, and based on the analyses of current methods and characteristics of shock wave testing stated in a wide variety of literature, a strong functional stored system, which can be based on different piezoresistive transducers, is developed for simultaneously testing speed and pressure of shock wave

    本文根據某靶的需求背景,通過大量的文獻和資料,分析了現有沖擊波超壓試的方法和特點,研究和開發了一種能同時壓、適用於不同類型壓阻式傳感器、功能較強的存儲式沖擊波試系統。
  13. With multi - ccd and multi - computer system, video and sampling synchronization technique in lan adopted, real - time measurement of large - scale flow field was achieved. velocity distribution of the flow field with an area larger than 1000 m2 can be measured in 20 seconds

    採用多ccd攝像機和多臺計算機、視頻信號同步、局域網同步等技術,首次實現了大范圍流的實時量,在20秒鐘之內量1000m2以上的流
  14. Tide simulation is studied by using water level tracking technology, the velocity field and temperature distribution are measured by using automatic velocimetry and temperature sensor

    利用水位跟蹤技術進行了潮汐模擬,採用自動溫技術進行了流及溫度量。
  15. A height - gradient - based obstacle detection algorithm is proposed to process the height images outputted by stereo vision. the obstacles in scenes can be detected exactly and quickly in this way

    立體視覺演算法通常輸出的是高度圖,本文提出了一種基於高度梯度的障礙檢演算法,能有效且快的檢景中的障礙。
  16. In the research and preparation procedure, it probes into electric field dynamic impedance variation rules, summarizing a set of sparks critical point discrimination methods in solving the key to detect electric field less - spark technology and realizing the less - sparks operation controlling function under impending arcover voltage, putting forward and realizing constant spark rate operation mode, in fiashover treatment adopting method of small descending amplitude, speedy picking up speed, and unlocking silicon controlled rectifier

    在研製過程中探索了電動態阻抗變化規律,總結出一套識別火花臨界點的方法,解決了探少火花的技術關鍵,實現了逼近擊穿電壓下少火花運行控制功能,提出和實現了恆定火花率運行方式,在閃絡處理上採取下降幅度小、回升度快、不封鎖可控硅的方法。
  17. Flow characteristics of flow field in the header of a plate - fin heat exchanger were investigated with particle image velocimetry ( piv )

    摘要利用粒子圖像儀( piv ) ,對板翅式換熱器封頭結構改進前、后的流進行了可視化研究分析。
  18. The indianapolis motor speedway was originally built in 1909 as a place where indiana automobile manufacturers could test and race their new cars

    建於1909年的印地安納波里汽車競,原是印地安納州汽車製造商的新車試與比賽的地點。
  19. Finally, it briefly discusses the feasibility, the applying foreground and the approach with regard to the calculating method about the amount of catalyst provided in this paper by integrating the ascending - velocity field and cloud water field in the possible working section abstracted from the mm5 mesoscale model with the thickness of the ice crystal particles in nucleation layer and supercooled water quantity which is surveyed by the plane

    得出適合的催化劑引入高度等。最後,簡要討論了用mm5中尺度區域模式提取可能作業區的升和雲水量,並結合飛機實核化層冰晶粒子濃度、過冷水量等,探討了本文提出的催化劑用量計算方法的可行性,應用前景和途徑。
  20. Compared to piv technology, dpiv technology has the advantages of faster processing and smaller errors. so we made a detailed research of dpiv technology, which mostly includes the principle of velocity mesurement of dpiv, digital image processing, the correction of velocity vectors, the construction of flow field and so on

    與piv技術相比, dpiv技術具有處理度快、計算誤差小等優點,因此本文詳細研究了dpiv技術,主要包括dpiv的原理、數字圖像的處理、度矢量的校正以及的重建等。
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