電測流速儀 的英文怎麼說

中文拼音 [diàncèliúsùyí]
電測流速儀 英文
electric current metre
  • 電 : Ⅰ名詞1 （有電荷存在和電荷變化的現象） electricity 2 （電報） telegram; cable Ⅱ動詞1 （觸電） give...
  • 測 : 動詞1. （測量） survey; fathom; measure 2. （測度; 推測） conjecture; infer
  • 流 : Ⅰ動1 （液體移動; 流動） flow 2 （移動不定） drift; move; wander 3 （流傳; 傳播） spread 4 （向壞...
  • 速 : Ⅰ形容詞（迅速; 快） fast; rapid; quick; speedy Ⅱ名詞1 （速度） speed; velocity 2 （姓氏） a surna...
  • 儀 : 名詞1 （人的外表） appearance; bearing 2 （禮節; 儀式） ceremony; rite 3 （禮物）present; gift 4 ...
  • 流速 : [機械工程] velocity of flow; strength; [水文] current velocity; current speed; flow rate流速管 pi...
  1. Application of electric wave current metre in open diversion channel closure of tgp

    電波流速儀在明渠截流水文監測中的應用
  2. This paper starts the research of the liquid floated pendulous accelerometer testing system according to the engineering. at first, this paper gives the brief introduction of the history and present status of accelerometer and its testing technology, the working principium and math model of the liquid floated pendu - lous accelerometer, and then, decides the binary width pulse force retrim loop as the design proposal of testing system, researches the transfer function of every part in the system emphasizly, analyses the stability of the whole accelerometer testing system from the angle of control theoretics by the open loop transfer function of system, and designed the correcting net, analyses the basal problems such as resolution, sampling restraint, precision and so on, designs the hardware testing circuits such as preamplification, band - pass filter, alternating amplifier, phase sensitive demodulatorn, pulse - width modulation, frequency scale circuit, moment current generator. finally, using the graphics program language labv - iew which is designed for testing field especially by ni accomplishes the solfware design of testing system, realized the testing functions

    首先對加速度計及其測試技術的發展歷史和現狀，液浮擺式加速度計的工作原理和數學模型等作了簡要的介紹，然後確定了以二元調寬脈沖再平衡測試迴路為設計方案，並從控制理論的角度進行了分析，著重研究了系統中各部分的傳遞函數，利用系統開環傳遞函數分析了系統的穩定性，同時設計了系統的校正網路;分析了二元調寬脈沖再平衡測試迴路的解析度、采樣約束以及測試精度等基本問題，並按照系統分析的結果設計了包括前置放大、帶通濾波、交流放大、相敏解調、脈寬調制、頻標電路以及力矩電流發生器等測試系統各部分硬體電路，驗證了電路的正確性，最後按照測試系統的要求，採用了美國ni公司專為測試領域所開發的虛擬儀器工具? ? labview作為測試軟體開發工具，利用該圖形化編程語言完成了測試系統軟體部分的設計，實現了測試功能。
  3. The company is specialized in the production of small diameter valve suitable for electrical station as well as sampling device and automatic feeding device for firepower electric plant, stop valve for high temperature and high pressure condition, throttle valve for high temperature and high pressure condition, counter - pressure high efficiency cooler, bi - screw reducer, fine adjustment valve together with pipe break, stop valve, diaphragm valve, plug - in speedy connector, ball valve and various special valves in addition to meter connector

    公司主要專業生產小口徑電站閥門及火力發電廠的爐內化學檢測集中取樣裝置、爐內自動加藥裝置，高溫高壓截止閥，高溫高壓限流閥，反壓式高效冷卻器，雙螺桿減壓閥、微調閥等取樣裝置件和石油化工行業使用的管道閘閥，截止閥，隔膜閥，承插式快速接頭，球閥及各種特殊閥門，儀表接頭等。
  4. Measurement of liquid flow in open channels - electromagnetic current meters

    明渠液體流量的測量.電磁流速儀
  5. The test instruments based on this method are highly precise, but costly. the author develops a grounding measurement system of substations based on the virtual instruments, which uses labview as the development software and adopts the small electric current method. the fft method is used to process the measurement data, which can decrease the measurement error

    本文作者研製了基於虛擬儀器的變電站接地網接地測量系統，該系統以labview為軟體開發平臺，採用小電流測試法，並利用快速傅立葉變換方法對測試信號進行數字濾波處理，提高了該系統的信噪比。
  6. Standard test method for velocity measurements of water in open channels with electromagnetic current meters

    用電磁電流儀測量明渠水流速度的標準試驗方法
  7. Belt scales, weigh ( coal ) feeder, coal sampling system, belt scale fast - loading system, fuel monitor management system, impact flow meters, microwave flow detectors, level controls, conveyor safety equipment, tramp metal detectors, coal and iron ore moisture analyzers

    簡介：電子皮帶秤、稱重給料/煤機、自動取樣設備、皮帶秤快速裝車系統、燃料監測信息管理系統、沖板流量計、微波流量探測器、料位儀、輸送機安全保護裝置及金屬探測器、煤炭/礦石水份分析儀等。
  8. Unique tool for all service technicians. makes current measurement at the power cable of any load component possible for simple and quick recognition of operating status

    該儀器是提供全能電氣服務的技術人員的唯一選擇。可對功率電纜的任何可能負載元件進行電流測量，簡單快速確定其運行狀態。
  9. The 2503ah power analysis instruments come with preprogrammed configurations for electronic ballast testing, several 3 phase and motor test configurations. you may configure the 2503ah - 3ch as 3 independent power analyzers, or as the most advanced 3 phase analyzer. for electronic ballast testing, one channel may be set up to measure line input dais, while the other two channels measure the high frequency signals

    Xitron儀器已為電子鎮流器測試制訂速度與準確度的新標準，高速fft處理器能將鎮流器測試時間縮減可高達75 % ，測試參數包括效率，功率因素，失真及個別的諧波內容， 2503ah系列可完全支援iec - 555符合測試，亦為先進的測試實驗室，測試系統製造商及全球三大照明產品製造商所廣泛採用
  10. In order to save and use electric energy reasonably and effectively. it is necessary to measure ac electric parameters accurately and real - time, so the rapid development of industrial production requires measuring instrument with high level. during the operation of industrial devices, it demands real - time, on - line measurment of the multi - parameters for crect operation. therefore, power system and users demand urgently a new type of safe, reliable, real - time and high - speed measuring instrument of ac parameters

    為做到節約電能併合理高效地利用電能，這就需要對電量參數進行準確、實時地檢測，因此，對測試計量儀器也提出了越來越高的要求。許多工業設備在運行過程中，需要對其進行實時在線測量，隨時了解其各種電量參數。所以電力系統以及電力用戶都迫切需要一種安全可靠、實時快速的交流電量綜合檢測儀器，有效地對電量參數進行測試。
  11. Electromagnetic flowmeter, as a main measure instrument, holds great increasing in interior market

    電磁流量計作為一種主要的測量儀表，在國內市場增長迅速。
  12. For above purpose, we must synchronously and constantly acquire several signals, such as stator voltages, stator currents, rotor speed of asynchronous motor and so on, and synchronously save, dynamically display, fully analyze and process the acquired signals. apparently, the traditional measuring instruments ca n ' t satisfy these special requirements. if the digital storage oscilloscope is adopted to record data, it ca n ' t resolve two problems : the low storage capacity and the poor data analysis and process

    為了達到上述目的，需要同步、長時間地採集異步電機端部電壓信號、電流信號、電機轉速等多路信號，並對採得的信號進行實時存儲、動態回放和分析處理，採用傳統測量儀器已經不能滿足這些要求，採用數字存儲示波器記錄數據，存在存儲深度不夠及數據分析處理的問題。
  13. 2. respiratory variation index ( rvi ) in normal man pulsed - wave doppler spectra of the four cardiac valves were recorded and compared with sequoia 512 and acuson 128 xp / 10 in 79 normal subjects aged 18 to 70 years

    正常人rvi值范圍的測定79名健康志願者，採用sequoia512和acuson128xp 10彩色電腦聲像儀，記錄各瓣口血流速度、同步心電圖和呼吸曲線。
  14. And the controlling method of pi makes the temperature control quick and stable. at the same time, the paper completes the mutual communication between temperature control equipment and computer by way of serial interface and usb interface, so as to realize the remote control of computer to the temperature control equipment. finally, the performance test of the semi - conductor temperature control equipment researched in this paper is carried out, and the results show that the precision of the temperature of the controller of semi - conductor can reach to 0. 2, and the degree of temperature stablization is less than 0. 05

    整個系統採用閉環控制結構，使系統的抗干擾能力大大增強;為半導體製冷器量身定做的驅動電路，可以方便的調節通過tec電流的大小和方向，使tec加熱製冷靈活迅速的特點得到充分發揮;使用比例積分（ pi ）的控制方法使得溫度控制快速穩定;同時，本文還實現了溫控儀與上位機通過串列口和usb口兩種方式的通訊，實現了上位機對溫控儀的遠程控制;最後，對所研製的半導體溫度控制儀進行了性能測試，測試結果表明，半導體溫度控制儀溫控精度達到0 . 2 ，溫度穩定度小於0 . 05 ，滿足了系統設計的要求。
  15. The alternating resistance method was adopted to test the moisture content of the fiber, the bathtub effect on the alternating conductivity, which insisted in the fiber, was verified, the sensitive frequency band of measuring the moisture content of the fiber was acquired, and the dielectric polarization theory was applied, the organism of the bathtub effect of the alternating conductivity of the fiber was gained

    採用交流阻抗法測量纖維水分，驗證了纖維存在交流導電浴盆效應現象，找出了纖維水分測量的敏感頻帶，並運用介質極化理論，說明了纖維交流導電浴盆效應的機理。第三章新型纖維水分快速測試儀設計：運用纖維交流阻抗特性，設計了新型纖維水分快速測試儀。
  16. In this thesis, we would present theory research and its implementation about mpeg - 2 ts stream “ health ” check analyzer. a brief narration about the background of our research and its mean would be put in the beginning. and then we would analyze structure of ts stream and its definition in iso / iec 13818 - 1, data structure of system layer and mechanism of decode would be stressed in this section, later, we would introduce principles and methods of mal - function check in mpeg - 2 ts network, parameters being presented by etsi tr 101 290 would be emphasized in this part

    本文將對mpeg - 2ts碼流「健康」檢測儀的理論研究和數字電路設計作出如下介紹:本課題研究的時代背景及研究現狀和意義; mpeg - 2ts碼流的數據結構，在iso / iec13818 - 1中的定義和描述，其系統層的數據結構及解碼機理; mpeg - 2ts碼流在網路中故障檢測的原理和方法， etsitr101290規定檢測參數分類; mpeg - 2ts碼流「健康」檢測儀實現的總體方案，基於fpga的數字邏輯電路實現方案總體模塊劃分，模塊劃分的依據，模塊實現功能;總體方案的具體實現，幾個重要參數如pcr間隔及精度檢測，快速crc檢測等的實現;設計實現的驗證方法，典型參數檢測實現的驗證模型及驗證結果。
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