測速帶 的英文怎麼說

中文拼音 [dài]
測速帶 英文
speed check tape
  • : 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...
  • 測速 : logging speed
  1. Due to existing signal processing technology ’ s shortage such aslow measurement, narrow measurement range precision and other poor performance, we introduced a high - precise signal processing technology : firstly, to get power spectrum with hanning windowed welch modified periodogram, search its peak value frequency ; secondly, to apply zooming analysis via goertzel algorithm ; at last, to get a highly precise doppler frequency with energy centrobaric rectifying algorithm 。 the simulating result indicated that this technology introduced could get accurate doppler frequency 。 depending on above discussed technology, we designed a signal processing scheme, and developed a signal processing system. the running result showed high performance, verified the feasibility and reliability of the highly precise signal processing technology introduced. in a word, the technology improved ldv ’ s performance such as measurement precision, measurement range, dynamic response time 。 and it will have a wide application foreground

    針對存在的缺點,本文提出了一種應用於激光多普勒的高精度信號處理技術,即首先利用加hanning窗的welch修正周期圖演算法得到信號功率譜,搜索其譜峰值頻率,接著利用goertzel頻譜細化演算法對搜索的譜峰進行細化分析,再引入能量重心頻譜校正演算法對細化后的譜峰進行校正分析,從而將離散頻譜分析演算法、頻譜細化演算法和頻譜校正演算法三者有機結合起來,充分發揮各自的優點:通過加hanning窗的welch修正周期圖演算法快得到功率譜及峰值頻率,通過goertzel演算法獲得分析頻的高解析度頻譜,然後通過能量重心校正演算法對細化后的頻譜進行高精度校正,這樣不僅保證了演算法的高效性,而且大大提高了分析的精度。
  2. In the system, the collimation semiconductor laser - scanned beam scanning two perpendiculars direct of one plane of the measured workpiece at the same time is made. the beams with the dimension information of two perpendiculars direct are processed by the scanning receive system, the high - speed photoelectric transition and electronic data process. two measured results of the diametric directs and ellipse tolerance, etc, parameter, of the turning workpiece on the same plane are obtained by non - contact automatic measurement

    在單向激光掃描檢技術的基礎之上,提出了一種雙向激光掃描檢系統,其採用激光掃描檢技術與特殊光學系統相結合,用準直半導體激光掃描光束對被工件徑向某一截面的兩個相互垂直方向同時掃描,經掃描接收光學系統、高光電變換、電子學系統和微機數據處理系統,對將攜有垂直方向被量信息的光束進行處理,實現了回轉體工件同一截面兩個垂直方向的徑向尺寸和橢圓度等參數的非接觸自動量,解決了同時非接觸量回轉體零件同一截面兩個徑向尺寸的難題,它具有高,高精度和非接觸自動量等特點。
  3. 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場進行了點壓力量,然後把點壓力轉化為點度后繪出固定閥周圍流場的二維流線圖,同時定了塔板的干板壓降,來考察新型固定閥折邊后對流場分佈和壓降的影響,為隨后的數值模擬提供對比和依據。
  4. Benthic foraminifer fauna, ams14c dating and acoustic sub - bottom profile was analyzed in the core ey02 - 2 and ey02 - 1 drilled from the muddy deposit in the middle southern yellow sea and the mid - shelf of north east china sea. considering the results of core qc2 ? dz4 and the standard oxygen isotope curves, we discussed the late - quaterenary paleo - environment evolution, benthic foraminifer fauna, paleo - climate, the climate events and water mass in postglacial period, average sedimentation rates, paleo - water depth, origin of sediments, average sea level rise rate in the shelf of south yellow sea and east china sea. at last we discussed the condition of sea level rise in the east china, green house effect and the protection of coastal zone

    本文根據南黃海中部泥質區和東海中陸架的兩個鉆孔巖芯的古生物、 ams ~ ( 14 ) c年、淺地層剖面等,參考qc _ 2 、 dz _ 4成果及標準氧同位素曲線探討了黃東海陸架晚第四紀古環境演化、底棲動物群特徵、古氣候、冰後期以來氣候事件、古水團、沉積率、古水深、沉積物源、海平面平均上升率,討論目前中國東部海平面上升的狀況、溫室效應及海岸保護。
  5. And apatite. by these analyses and comparison with general granite both in china and the world and with the granite in other au or cu belt in china, the characteristics of the granite in this area are concluded as follows. it belongs to magnetite - i or syntectic granite and has crust - mantle mixed characteristics ; it was formed mainly by crystallization differentiation of melting magma and multiphase varied intrusion ; the degree of differentiation evolvement is not high ; the granite and its enclaves p. re congenetic ; the range of temperature is about 500 - 700, the range of pressure is about 2. 50 gpa - 4. 35 gpa, and the range of oxygen fugacity ( lg fo2 ) is - 15. 53 - - 14. 00 ; most granite bodies formed before the collision of plates, and few formed after the collision of plates

    通過對試數據的分析與綜合研究,並同中國和世界一般花崗巖類以及中國主要金、銅成礦巖體的花崗巖類進行對比,得出本區花崗巖類巖石具有以下特徵:屬磁鐵礦-型或同熔型花崗巖,其巖漿物質具殼幔混源特徵:主要由熔融態巖漿經結晶分異作用,通過多期變上侵而形成;其分異演化程度較低;寄主巖基和包體具有同源性;巖石的形成溫度范圍約為500 - 700 ,壓力大約為2 . 50gpa - 4 . 35gpa ,氧逸度值1gfo _ 2為- 15 . 53 ? 14 . 00 ;該巖主要形成於板塊碰撞前消減的活動板塊邊緣期,為燕山至喜馬拉雅早期的大陸邊緣火山弧環境的產物。
  6. Ask your cfi to take you to an airport where a long runway is available, preferably over 6000 ft. and to start a normal approach in normal configuration, descend to the normal round - out / flare hight, then keep the power or whatever power setting needed, so that you can fly the airplane, using ground effect. keep flying the runway center line for about 500 - 1000 feet

    要求教官你去降長跑道( 6000尺以上) ,降至平飄高度后拉平,不減油門,也許在多給點油,利用地效沿跑道中線平飛500 - 1000尺,在這段時間內快左,前,右,前,體驗此時飛機與跑道面的高度,然後收油門。
  7. Determination of ofloxacin in ofloxacin tablet and intramuscular injection by capillary zone electrophoresis

    氧氟沙星片劑與針劑中有效成分的毛細管區電泳快
  8. It still works well when the mulched straw is more then lot / ha. ( 3 ) an experiment was conducted on a self - made testing equipment to investigate the chopping properties of wheat straw under different conditions. on the basis of testing results, main cutting curves of wheat straw were given under different cutting speeds of rotary blade, with different straw lengths, different moisture contents, different cutting position, different thick of knife edge, with and without shear bar

    ( 3 )為了研究狀粉碎防堵裝置對麥秸的切碎效果,在特製的實驗臺上,應用了虛擬儀器試技術對不同處理的麥稈進行了切斷試驗,得到了在不同切割度下對不同長度、不同含水率的麥稈、麥稈的不同切割部位以及有定刀和無定刀情況下的切斷率,為麥秸粉碎裝置的設計提供了依據。
  9. The research of large igneous rock province - ermei basalt extrusion - mantle plume shows that songpan - ganzi folded belt is a hopeful target for breakthrough of petroleum exploration, and the key issue is how to make well a coupling and optimization among its faults, structures, traps and reservoirs

    根據地震深、重、磁、電等的探查,發現該褶皺深部有一低高導層,而對大火成巖省峨眉玄武巖噴溢地幔柱的認識深化均表明,四川松潘甘孜褶皺是可望獲得油氣勘探突破的靶區,重要的是斷裂構造、圈閉、儲集層的耦合與優化。
  10. Also, it brings forward a new method of velocity measurement called c - mit, with application to velocity - tracking controller of the unilateral pedrail system

    提出了變m / t原理和實現方法。設計了單邊履度系統的閉環度跟蹤控制器。
  11. The signal testing unit examines directly the production parameter - the belt " s velocity and sends out electrical signal similar to sine wave. the signal handling and analyzing unit disposes of the sensor " s output signal by amplifying, plasticisering a / d transforming and measuring and displays it digitally. after the alarming and controlling unit compares the testing signal with the standard one and analyses, it will show the normal production situation or alarm at the abnormal state and control the related equipments if it is necessary

    信號檢單元直接檢度,並輸出近似正弦波的電信號:信號處理與分析單元對傳感器輸出信號進行放大、整形、 a d轉換和計算等處理,並進行數字顯示;預警、報警、控制單元將信號與標準信號進行比較,經分析后顯示正常狀態或對異常狀態進行聲、光預警、報警。
  12. 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;泄漏同軸電纜的寬目前已做到3ghz ,具有對地形地貌建築物的適應性強,場強穩定,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。
  13. We describe three static methods : field primary static correction, refraction statics and automatic residual statics, and then introduce the principle of the three static methods. second, the dissertation gives the method of elevation statics, calculating static values by using minor refraction data, first - break pickup method and residual technique

    其次,重點闡述了1 、野外靜校正方法中地面高程校正的過程、利用小折射量數據計算低降靜校正量的演算法; 2 、應用現有的折射波靜校正軟體進行初至拾取及靜校正量計算的操作要領; 3 、自動剩餘靜校正多次迭代技術。
  14. It has speed detecting motor, the rotating speed is constant, not affected by material viscosity and the voltage change of power supply

    發電機,轉恆定,不受物料粘度變化和電壓影響。
  15. A series of experiments in a wider range of reynolds number were conducted for the investigation on the spatial and temporal distribution of the low - speed streaks in the near wall region of turbulent open channel flow. for the first time, the relationships between the spacing, the width, the length scale in the streamwise direction and the duration time of low - speed streaks and the reynolds number based on shear velocity were revealed

    在水力光滑區和過渡區對明槽紊流近壁區的狀結構進行試驗,量並分析了狀結構的分佈,首次揭示出低間距、寬度、縱向尺度及持續時間等隨摩阻雷諾數的變化規律。
  16. The dial calipers apply dial mechanism instead of vernier for readings and can work accurately and rapidly. dial carlipers with gb and din standards can be supplied

    表卡尺是用表式機構代替游標讀數,量準確迅表卡尺可按gb和din標準供貨。
  17. The cross well seismic technology have been applied to ignite and receive inside the well, therefore, it overcame the effects of low weathering layers and increased the resolution by the scale of 10 - 100 times. this technique is capable of delineate the minimum sedimentary unit of the oil - bearing body and resolve the issues like : reservoir interconnection, dynamic monitoring and micro - structural description etc. in addition, it also provides the fine geological model for reservoir modeling and scientific evidence for the oilfield development plan designing

    井間地震技術由於是在井中激發、井中接收,從而克服了地表低的影響,具有比地面地震高10 - 100倍的解析度,能夠達到分辨最小沉積單元油砂體的能力,因此該技術能夠解決儲層連通、動態監、微構造描述等問題,並為油藏建模提供精細的地質模型,從而為開發方案的編制提供科學的依據。
  18. At the same time, the " stop - hop - stop " approximation is no longer valid in sas due to the low speed of sound. the receiver has unavoidable movement, when echoes get to receiver from different distances. in order to overcome the problem, an image forming algorithm of multi - aperture sas is presented in the thesis, which is suitable for the case of non - " stop - hop - stop "

    為了解決距、模糊問題, sas通常採用多子陣技術,而且由於sas 「停?走?停」假設往往不再有效,即內不同距離回波到達基陣時,基陣存在不可忽略的運動,所以論文提出了一種「停?走?停」假設不成立條件下的多子陣合成孔徑聲納逐點成像演算法以得到相位保真度更高的復圖像。
  19. Tape coiling velocity measuring sensor device

    傳感裝置。
  20. By rapidly increasing the probing rate within each probing train, itp obtains a rich set of information to dynamically estimate the available bandwidth

    通過在探序列中快增加探率, itp可獲得用於可用寬估計的豐富的數據信息。
分享友人