velocity measuring system 中文意思是什麼

velocity measuring system 解釋
速度測量系統
  • velocity : n. 1. 迅速;快速。2. 速度,速率。3. 周轉率。
  • measuring : n. ,adj. 測量(的),測量用(的)。 remote measuring 遙測。
  • system : n 1 體系,系統;分類法;組織;設備,裝置。2 方式;方法;作業方法。3 制度;主義。4 次序,規律。5 ...
  1. After analysing several kinds of light - weighting structures through ansys, hexagonal speculum structure is confirmed. in the aspect of the controling of speculum, the paper adopts the brushless dc motor which is partial assembled to drive the point speculum and the inductosyn as angle measuring component is selected, the ad2s80a the system is used to get directly angle and angular velocity. double closed - loop speed and position control is designed, as the pid control is the well - developed algorithm, which can achieve stable rotation and precise position control

    在指向反射鏡的擺動控制方面,採用低速性能好的分裝式直流力矩電機作為指向反射鏡的驅動電機,並採用感應同步器作為角度測量元件,運用軸角轉換器ad2s80a進行角度和速度的輸出,採用技術成熟的pid控制方案,進行速度和位置雙閉環控制,以實現指向反射鏡轉動速度的平穩性和位置的精確性。
  2. Collisonal quantum interference ( cqi ) was observed in the intramolecular rotational energy transfer in the experiment of the static cell, and the integral interference angles were measured. to observe more precise information, the experiment in the molecular beam should be taken, from which the differential interference angle can be obtained precisely. in this paper, the theoretical model of cqi is described in an atom - diatom system in the condition of the molecular beam, based on the first - born approximation of time dependent perturbation theory, taking into accounts the anisotropic lennard - jones interaction potentials. the method of observing and measuring correctly the differential interference angle is presented. the changing tendencies of the differential interference angle with the impact parameter, velocity, and et al. are discussed

    分子內部轉動傳能的靜態池實驗觀察到了碰撞量子干涉效應( cqi ) ,並且測得積分干涉角,為了獲得更加精確的分子內部轉動傳能的碰撞量子干涉效應信息,實驗就必須要採用分子束實驗進行.本文理論上採用各項異性相互作用勢,應用含時微擾理論的一級波恩近似,假想在分子束實驗的條件下,建立在原子-雙原子分子體系中碰撞量子干涉的理論模型.理論上推導出微分干涉角具體表達式,通過計算定性地討論了微分干涉角隨著碰撞參數、速率等的變化趨勢,同時初步探討了實驗的正確觀測途徑,得出了採用分子束進行實驗觀測的實驗方法,為進一步進行分子束實驗提供了理論基礎,對實驗的進行起到了一定的借鑒作用
  3. So it holds a ideal ability to anti - interference and has 2 scalar level resolution in location and measuring velocity than traditional radio induction technology. and the channel composed of the new radio induction system for communication is different from the parameter - constant channel and the traditional parameter - changing channel, its parameter is decided by the mutual induction between its antenna and induction - cable, by the location of its antenna, by the signal frequency passing through, its parameter has nothing to do with the time parameter. the channel composed of the new radio induction system is a new parameter - changing channel independently of time for communication

    而且,由新型無線感應系統組成的通道既不是恆參通道,也不是一般目前所知的變參通道,其通道傳遞函數的幅值只與信號的頻率有關,與系統中天線和感應電纜之間的互感和天線的位置有關,而與時間無關,其通道傳遞函數的相位只與天線的位置有關,而與時間無關,由新型無線感應系統組成的通道是一種不隨時間變化的新型變參通道。
  4. The system of piv is constructed suitable for measuring the particle movement and the flow pattern of particle clusters is visualized in the cfb. under the low and high solid flux, this work also study the aggregate properties such as the two - dimensional shapes, velocity and existence time of clusters on several axial / radial positions

    對循環流化床冷態實驗臺兩測試段進行了流型和顆粒團可視化研究,分別獲得了較低循環流率下過渡區和在高循環流率下稀相區顆粒團的運動速度,形狀,持續時間及其動態變化情況。
  5. Using flyer velocity gained from energy characterizing method, definite parameters of flyer and explosive, deterministic parameters of initiation system critical initiation energy to flyer of explosive can be theoretically calculated. associating with critical initiation voltage of explosive experiment measuring comparisons and evaluations can be conducted for flyer sensitivity of explosive

    利用能量損失法求出的飛片速度以及已知的飛片參數、炸藥參數、起爆系統中的既定參數,可以對炸藥的飛片臨界起爆能量進行理論上的計算,結合實驗測量的炸藥臨界起爆電壓值,可以對炸藥的飛片感度進行比較和評價。
  6. Not satisfied by measuring ambient temperature with an obsolete system, ameri - cans invented the wind - chill factor, which combines degrees fahrenheit with air velocity to create a num - ber that ' s much more impressive

    美國人不滿足於用過時的系統來衡量溫度,因此發明了風寒因素,即把華氏度與空氣速度結合在一起,所得數字給人的印象要深刻得多。
  7. Radio induction is mainly studied in this paper, the traditional radio induction technology has simple structure, lower cost, convenient maintenance and higher location resolution and measuring velocity, but its anti - interference is lower. new radio induction system is proposed in this paper, it has excellent anti - radiated interference of any frequency ( it should be declared specially that it includes the anti - interference of the same frequency ) ; because of its hi gh frequency - pass function, the new radio induction system has less affection excited by the conductive interference

    本論文提出的新型無線感應系統對外界所有頻段上輻射干擾(特別強調的是包括同頻干擾)具有較理想的抗干擾能力;由於新型無線感應系統起高通濾波作用,傳導干擾對它的影響可以忽略,因此新型無線感應系統具有較理想的抗干擾能力,用在定位測速中具有比傳統無線感應技術高2個數量級的精度。
  8. In this task, a test _ bed for engineering vehicles was developed based on virtual instrument. the whole system comprised 5 parts : the checking of running velocity, which was gotten on the test bed through the vehicles simulating real road running ; the temperature checking of the important points on the transmission system ; the temperature checking of the circling cooling water on the exit port of dynamometers ; the control of the loading power. which was given to vehicles by the power measuring machine ; the control of the total test - run time

    本課題開發的基於虛擬儀器的工程機械跑合試驗臺,其測量和控制參數有:行駛速度檢測(車輛在跑合試驗臺上模擬路面的行駛速度) ;傳動系溫度檢測(試驗車輛傳動系主要部位多點溫度) ;冷卻水溫度檢測(測功機循環冷卻水出口溫度) :加載功率控制(測功機施加給車輛的載荷) ;跑合時間控制(試驗車輛在試驗臺上加載跑合的總時間) 。
  9. The chapter of software design firstly introduces the flowing chart of whole system, and discusses the whole design idea, giving the flowing chart of main program and interrupting service sub - routine of timer and part of program code. then interrupting service sub - program and velocity measuring sub - program are expatiated in detail

    軟體部分首先介紹了系統軟體流程圖,論述了軟體的整體設計思想,給出了主程序、定時器中斷服務子程序流程圖及部分程序代碼,較詳細地介紹了定時器中斷服務子程序、速度檢測子程序。
  10. System simulation of measuring airborne velocity using doppler technology with radar altimeter

    雷達高度表進行多普勒測速系統模擬
  11. This thesis defines the concepts of designing velocity - measuring system, designing of tracking servo system, designing and realizing of hardware

    本文詳細介紹了測速系統設計、跟蹤伺服系統設計和系統軟、硬體的設計和實現。
  12. Ad2s81a, r / d converter of analog devices inc., is chosen to substitute for the velocity measuring dynamo to gain the speed feedback signal. it reduces the system dimension and improves the system reliability

    選用美國模擬器件公司的r d轉換器ad2s81a代替測速發電機的功能獲得速度反饋信號,減小了系統體積,提高了系統可靠性。
  13. Velocity measuring system

    速度測量系統
  14. Velocity - vector measuring system

    速度矢量測量系統
  15. This paper studies on used the ac servo system based on ti dsp ( lf2407a ) and the foc and digital signal processing thorem, achieves following results : algorithm. we employ svpwm ( space voltage pwm ) algorithm, improve the efficiency of the electric source, and decrease the harmonious elements. we build the mathematic model of the system and simulate it on matlab platform, dsigne segmented pid regulator to adapt variable speed and widen the speed range. measurement. the velocity and electric current measuring, we adopt multi - sampling - rate and digital filter principles. as more improvements we make, the whole system gets a good results. pc control. the complete controlling system can be controlled remotely. so we develop the pc controlling program.

    採用磁場定向脈寬調制演算法,提高了電源利用率,降低了逆變電壓的諧波,改善了電機的運行特性,降低了對電網的污染;在matlab平臺上建立了交流永磁同步伺服電機和電壓空間矢量脈寬調制控制系統的數學模型,在模擬的基礎上,對傳統pid調節器進行了改進,提出轉速調節器和電流調節器採用分段pid結構,根據給定轉速所處的區間,自動選擇相應pid調節器的參數,拓寬了調速范圍,提高了控制精度。
  16. By means of wide investigation, instruments development, a series of model experiments and relative theory analysis, following results are obtained in river model time scale distortion ratio, model roughening, inflow and outflow controlling methods and equipment, new water level and velocity measuring technique, model automatic measuring and controlling system : ( 1 ) with the aid of configuration software, a large scale river model automatic measuring and controlling system is developed, realizing river model automatically controlling and basic hydraulic parameters automatically measuring

    本文通過廣泛調研、儀器研製、系列模型試驗和相關的理論分析,在河工模型時間變態率控制、模型加糙、出入流檢測方法和設備、水位流速測量新技術、模型自動測控系統等方面取得了下列成果: ( 1 )應用工控組態軟體技術,開發了一套大型河工模型自動測控系統,實現了模型內外邊界的自動控制和基本水力參數的自動量測。
  17. The two - dimensional axisymmetric subsonic - transonic - supersonic flow in an experimental arcjet thruster is simulated numerically using flux vector splitting method. the profiles of density, velocity, temperature, pressure and mach number can be obtained by the computation. the computation grid and some computed results are given here. the test equipment such as power supply system, ignition system, propellant supply system, arcjet thruster, thrust measuring device and vacuum system are introduced briefly. some working phenomena of the arcjet are observed and discussed. three different kinds of instability appeared in the process of the experiments. except some important parameters are measured, it is found that the operating stability of argon is better than that of nitrogen

    對一實驗電弧加熱式發動機二維軸對稱亞跨超音速流動進行了數值模擬,所採用的方法是矢通量分裂演算法.通過計算可以得出密度、速度、溫度、壓力和馬赫數的分佈.給出了計算所使用的網格和一些計算結果.簡要介紹了實驗所使用的設備,如電源系統、點火系統、推進劑供給系統、電弧加熱式發動機、推力測量裝置和真空系統.對所觀察到的一些工作現象進行了討論.有三種不同的不穩定性出現于實驗過程.除了所測量的一些重要參數,通過實驗發現氬比氮工作更穩定
  18. A bullet velocity measuring system based on pc

    的彈丸速度測試系統
  19. Abstract : the on line measuring technology suitable for closed cooling system as well as open cooling sysem of blast furnace in the water temperature, the difference in water temperature, the rate of flow, the current velocity, the heat load and lead water detection is introduced. the fundamental principles and requirements involved and distributed computer network applied in the measuring system are described. the situations in industrial use are analyzed and summed up

    文摘:詳細介紹了一種既適用於高爐閉路冷卻系統,又適用於高爐開路冷卻系統的進出水溫度、水溫差、流量、流速、熱負荷及檢漏在線監測技術.描述了該技術基於的基本原理和要求以及檢測系統所採用的分步式計算機網路結構特點.最後,對該技術的工業實際應用情況進行了分析和總結
  20. At last, base on the windows2000 operation system, the soft wrap of impact echo examining system is explored by using the language matlab6. 1. the soft can achieve some function, including calculating the velocity of p _ wave in concrete plates by using one transducer or two transducers, amounting the depth of surface - opening cracks in concrete plates by using two transducers and measuring the depth of highway

    最後,基於windows2000操作平臺,用matlab6 . 1語言編制了沖擊反射法測量系統的軟體包。此測量系統能具有用單傳感器測量波速、用雙傳感器測量波速、用雙傳感器測量混凝土板塊開口裂紋的深度和測量公路路面的厚度等功能。整個系統具有友好的人機界面,操作簡單,計算快捷,結果的顯示直觀。
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