流向測量器 的英文怎麼說

中文拼音 [liúxiàngcèliángqì]
流向測量器 英文
flow direction probe
  • 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...
  • 測 : 動詞1. （測量） survey; fathom; measure 2. （測度; 推測） conjecture; infer
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  • 器 : 名詞1. （器具） implement; utensil; ware 2. （器官） organ 3. （度量; 才能） capacity; talent 4. （姓氏） a surname
  • 流向 : flow direction流向測量器 flow direction probe; 流向角 [水文] angle of current; 流向圖 flow graph;...
  • 測量 : measure; survey; gauge; meter; measurement; measuring; surveying; mensuration; metering; gauging;...
  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. Aiming at the study actuality of fan performance monitoring system and analysis of fan performance curve changes affected by inlet - box and the different fixed - angles of guide blades in the course of installation, a fan flow monitoring model based on rbfnn in whole flow zone was established in this thesis. in the model, the method of no throttle and fan performance curve were used as basis. and on the basis of that model, fan performance curves of 4 - 73no. 8d were approached with experimental data of different speed, different opening - angles of guide blade and different resistance of pipeline, the precision and the error law of model were studied

    本文針對電站風機性能監測系統研究較少的現狀，在實驗的基礎上分析了現場加裝進氣箱和由於安裝造成的導流器葉片開度不一致對風機性能曲線的影響，並在此基礎上採用無節流方法測量流量，以風機調節性能曲線為依據，建立了基於徑向基函數（ rbf ）神經網路的風機流量全程監測模型；以實驗室4 - 73no . 8d離心風機為研究對象，探討了rbf神經網路差壓模型在變轉速、變導流器開度和變管網阻力等工況下的應用精度和誤差分佈規律；最後用visualc + +語言開發了風機性能在線監測系統。
  3. In order to make the sensitivity of 2 - demension accelerometer along the two main arbors almost identical, symmetric four - beam structure that embeds a double - sides interdigitated differential capacitive with puckered beam in two directions was used as sensitive component. in addition, the differential capacitive accelerometer fabricated by bulky silicon micromechanical technique has high sensitivity, wide measurement scope, less nonlinear error, and simple converting circuit. then, the structure parameters of the sensitive component were calculated and stimulated, which results in a set of the optimized structure design parameters, main fabrication procedure and several key fabrication technology

    為使二維振動傳感器在兩主軸方向的靈敏度大致相同，敏感元件採用高度對稱的四梁結構，其中每個軸向上均採用帶折疊梁的雙側叉指電容結構，採用體硅微機械工藝製作的高深寬比叉指電容式敏感元件，具有高靈敏度、寬量程、非線性誤差小、外圍電路簡單等優點;對設計的敏感元件結構參數進行了計算，並利用有限元法進行了模擬分析，根據模擬結果得出了優化參數;在確定敏感結構的基礎上，研究了敏感元件採用體硅微機械加工工藝製作的工藝流程和關鍵工藝技術;對敏感晶元內部的c - v介面電路進行了原理設計與分析，利用差動測量技術得到由振動引起的微小電容變化量，經c - v介面電路進行相位調制處理，然後通過解調輸出與加速度成正比的電壓信號。
  4. A large planar microphone array, which consists of 111 microphones, was successfully applied to obtain a two - dimensional mapping of the sound sources on a landing aircraft. the focus of study in this paper is on the landing gear noise source. the spectra, directivities and sound pressure levels of flap side - edge noise of 7 narrow - board commercial aircraft and 7 wide - board commercial aircraft are presented. it is found that the landing gear noise spectrum is broadband with some single tones in some cases. the directivity of the total sound pressure level of a landing gear noise resembles that of a horizontal dipole. the level differences between the various aircraft landing gears are larger than those expected from the airspeed differences. it is thus expected that the louder noise emission of the landing gears can be reduced by redesigning

    應用由111個傳聲器組成的平面傳聲器陣列對當前流行的民用客機進場著陸過程中的機體噪聲源進行了實驗測量，本文對七架窄體客機和七架寬體客機的起落架噪聲進行了分析，得到了起落架噪聲的頻譜特性、指向特性和聲級變化.研究發現，起落架噪聲的頻譜是由寬頻隨機噪聲與一些較為明顯的單音噪聲源組成，起落架噪聲的指向性類似於一個水平放置的偶極子.不同飛機起落架噪聲的聲級相差較大，這說明可以通過重新結構設計降低起落架噪聲。
  5. Electronic co., ltd., a private hi - tech company, professionally makes and markets electronic instruments and gauges, such as digital torque tester, bottle cap torque tester, voltage resistance tester, grounding resistance tester, leakage current tester, insulation resistance tester and etc. lankers quality instruments and gauges are characterized by well - designed structure, high reliability and stability and outstanding performance and are well sold to users in the industries of home appliances, motorcycle, automobile, motor and pharmaceutical

    市藍光電子有限公司是一家集科研生產銷售於一體的高科技民營企業，公司擁有雄厚的技術實力，以卓越的設計能力，完備的工藝控制和完善可靠的檢測手段，向用戶提供高性價比的電子測量儀器。主要產品有：數字扭力測試儀系列瓶蓋扭力測試儀系列耐電壓測試儀，接地電阻測試儀，泄漏電流測試儀，絕緣電阻測試儀等安規測試儀系列。
  6. In order to investigate the unsteady flow frequency domain performances of an axial flow compressor at different mass flow, rotating speed and blade row spacing, plus inlet flow distortion, and considering aerodynamic characteristics and stability of the compressor, the low speed research compressor ( lsc ) at college of energy and power in nuaa is used to carry out the experiment studies. a large amount of test data has been gained through dynamic pressure transducers embedded in the stator blades at the tip, middle and hub section, then fast fourier transform algorithm ( fft ) is applied to calculate the frequency data

    為探討軸流壓氣機在工作流量、工作轉速及動?靜葉排軸向間距變化時的葉片排流場非定常頻譜特性變化規律，並耦合進氣畸變的影響，同時與壓氣機氣動性能和氣動穩定性相關聯，作者利用南京航空航天大學能源與動力學院的低速大尺寸軸流壓氣機（ lsc ）試驗器，採取在靜子葉片表面埋入動態壓力傳感器的實驗方法，對葉尖、葉中和葉根三個截面的動態壓力進行了測量，獲得了大量的可靠的實驗數據。
  7. The characters, advantages, domestic and foreign status and developing direction of virtual instrument, are inroduced briefly. and the design process of control software of hptimi in the environment of labwindows / cvi is also presented. the primary data exchang mechanism among the contol units of hptimi and the corresponding program flow charts and their programmimg approaches are expatiated

    論文通過簡單分析虛擬儀器的特點及國內外研究現狀和發展方向，詳細闡述在labwindows / cvi環境下，高解析度時間間隔測量儀控制軟體設計過程，說明其主要的數據交互機制，給出相應的程序流程圖和編程方法。
  8. An instrument used to detect, measure, and determine the direction of small electric currents by means of mechanical effects produced by a coil in a magnetic field

    檢流計，電流計一種儀器，用以探測、測量和測定微小電流方向，採用線圈在磁場中產生的機械效果的方法
  9. In principle, ultrasonic sensors are suspended over a road, which keep emitting pulse signals periodically to nearby and feed back waves to decide existence of any obstacles, thus to detect the speed, height, length, different sizes ( heavy, medium and small ) of moving vehicles and accumulative flow as well as length of motorcade. optionally, it can be applied to multitude driving lanes simultaneously for traffic data. by integrating and analyzing these measured data, the necessary figures concerning traffic flow may be obtained, which are fundamental basis guiding road buildings

    本課題設計的是一種懸掛式超聲波車流多信息檢測器，通過懸掛于路面上方的超聲波探頭向路面周期性地發射脈沖信號，利用地面回波來判斷遮擋物地存在，可用於檢測行駛中的機動車車速、車高、車長、大中小分型以及累計車流量、車隊長度等信息，並可用於多個車道車流信息的同時檢測，綜合這些測量參數可獲得車流量的必要數據，可為公路建設提供必要的基礎依據。
  10. Abstract : a tube reactor mixed by an axial continuous flow and four side jets as the dispersed flow is studied. the concentration distribution of the dispers ed flow was measured by means of the laser light scattering. the different flow patterns revealed the special construction of concentration distributions in relation with the velocity ratio of side flow and axial flow

    文摘:研究了圓管反應器中四束側向對撞射流與軸向流形成的混合流動.應用激光粒子散射成像測量了側向分散相在混合流中的濃度場分佈，得到了不同的濃度分布圖形隨側向流與軸向流速比關系，揭示了內在有規律的獨特的濃度分佈結構
  11. The experiment acquired pressure distribution and circulating rate under three fluidizing velocity ( 3. 5m / s 、 4. 5m / s 、 5. 5m / s ) and different media load. an experimental equation was acquired between circulating rate and the distribution of the pressure. and the relation between the circulating rate and the opening rate of the valve connecting the returner and the ehe was carefully discussed as well as the relation between the pressure of the ehe and the flow rate of the fluidizing air

    得到三種流化風速下（ 3 . 5m / s 、 4 . 5m / s 、 5 . 5m / s ）不同裝料量所對應的主床床體壓力分佈和物料循環量，得到循環量與壓力的分佈和流化風速的本實驗臺上的經驗公式，並通過測量返料器通向外置換熱器機械閥開度和返料量的關系，得到旋風分離器中下落物料進入換熱器和直接進入主床的比例關系，同時測得換熱器中壓力和送風量的關系。
  12. Abstract : a large planar microphone array, which consists of 111 microphones, was successfully applied to obtain a two - dimensional mapping of the sound sources on a landing aircraft. the focus of study in this paper is on the landing gear noise source. the spectra, directivities and sound pressure levels of flap side - edge noise of 7 narrow - board commercial aircraft and 7 wide - board commercial aircraft are presented. it is found that the landing gear noise spectrum is broadband with some single tones in some cases. the directivity of the total sound pressure level of a landing gear noise resembles that of a horizontal dipole. the level differences between the various aircraft landing gears are larger than those expected from the airspeed differences. it is thus expected that the louder noise emission of the landing gears can be reduced by redesigning

    文摘:應用由111個傳聲器組成的平面傳聲器陣列對當前流行的民用客機進場著陸過程中的機體噪聲源進行了實驗測量，本文對七架窄體客機和七架寬體客機的起落架噪聲進行了分析，得到了起落架噪聲的頻譜特性、指向特性和聲級變化.研究發現，起落架噪聲的頻譜是由寬頻隨機噪聲與一些較為明顯的單音噪聲源組成，起落架噪聲的指向性類似於一個水平放置的偶極子.不同飛機起落架噪聲的聲級相差較大，這說明可以通過重新結構設計降低起落架噪聲。
  13. Through measuring the jet length, the following law is obtained : there exists an optimal driving signal frequency that can produce the strongest microjet for a certain actuator configuration at constant input power

    實驗測量了不同頻率下微射流的流向長度，發現了如下規律：對特定幾何結構及尺寸的微射流作動器，在輸入功率一定的情況下，存在最佳頻率使得微射流最強。
  14. In this design, the protection in short circuit failure and the measurement in normal condition are both fulfilled. it can also communicate with the computer through the communicating interface, sending the parameter of the system current and accepting the instruction

    該傳感器具有正常電流的測量和短路故障時的保護功能，並且預留了與上位機的通訊介面，接受上位機的指令並向上傳送電網的電流參數。
  15. According to the actuality of the present research on ct, we bring forward a new design scheme based on the rogowski coil, in this design, the protection in short circuit failure and the measurement in normal condition are both fulfilled. it can also communicate with the computer through the communicating interface, sending the parameter of the system current and accepting the instruction

    本文在考察了國內外電流互感器發展現狀的基礎上，提出了一種基於rogowski線圈的電流互感器，該互感器具有正常電流的測量和短路故障時的保護功能，並且預留了與上位機的通訊介面，接受上位機的指令並向上傳送電網的電流參數。
  16. With the development of power system, on one hand, the capacity of the power system is increasing very rapidly and the system current becomes larger and larger, so it becomes very difficult for a traditional current transformer ( ct ) to undertake the measurement task. on the other hand, with the optimization of the administration and allocation of the power energy, it is very urgent to develop a new type of ct to meet such requirement

    隨著我國電力系統的不斷發展，一方面，電力系統的容量在不斷加大，系統電流值不斷增加，一次側電流值的測量對傳統的電流互感器越來越困難；另一方面，隨著運行管理和調度向著快速，可靠，自動化方向發展，要求對電力系統的運行進行在線監測和實時控制，對作為一二次側聯絡設備的電流互感器提出了更高的要求，要求設計出一種新型的適應電力系統發展需要的電流互感器。
  17. In the aero - optical flow field tomography measurements, all projection data of different direction must be simultaneous. and the laser nozzle flow field up - stream and down - stream strehl ratio simultaneous measurements have the synchronicity requirement. the working environment of high power laser is rigorous and complicated

    在考慮了由於氣動光學流場層析測量中的多個投影方向數據的同時測量、激光器噴管流場上游和下游同時測量的同步要求，以及高能激光平臺的復雜環境多方面因素的基礎上，考慮了硬體匹配的一些問題，設計了一套高速的線陣s - h傳感器。
  18. The gls of forest resource intbrmation was used in decision - making and can displaying, cartography, dtlai - comprehensive querying and conditional querying of spatial and attributed data, spatiai anaiysis, model analysis, dynamic monitoring and data update. the webgls of forest resource information was used to release forest resource information and share the function of gis. users on the internet can realize some function of gis on the forest resource in forest farm through tileir browsers, sucn as graphica1 operation, comprehensive querying and conditional querying, buffer analysis, map measure, etc. users can also express their proposals and edit the graphical and attributed data and return these results to webserver so to realize mutual exchange

    森林資源gis用於林場輔助決策，它可以進行顯示與制圖、空間屬性數據雙向綜合查詢與條件查詢、空間分析與模型分析以及動態監測和數據更新；森林資源webgis用於森林資源信息發布及gis功能的共享， internet用戶通過瀏覽器即可對林場森林資源實現gis的許多功能，如圖形操作、綜合查詢與條件查詢、緩沖區分析、圖形測量等，用戶還可以發表建議或對圖形及屬性數據加以修改並將這些結果返回服務器端，以進行相互交流。
  19. This paper introduced principle of magnetism - photo optical - fiber electric current measurement system, and designs a digital magnetism - photo optical - fiber electric current meter. with the development of optical - fiber technology and electronic components reliability, the magnetism - photo electric current detection method will be used more widely

    論述了磁光式光纖電流測試系統的原理，並設計了一種數字式磁光光纖電流計，該裝置所運用的測量方法是電力系統中高壓大電流測量技術的一個新方向，隨著光纖技術和電子器件可靠性的發展，磁光式電流檢測技術可望得到推廣使用。
  20. The radial, circumferential and axial distributions of static pressure amplitude under post - stall conditions are measured and compared. the experimental results have proved the feasibility of using one - dimensional model to analyze the post - stall behavior and recoverability of compression systems. at the same time, the results of experiment have provided the first - hand data for analyzing and calculating vibrating response of blades under post - stall conditions

    以單級軸流壓氣機實驗器為對象，研製了兩種型式的靜壓動態探針?梳形針和圓盤針，詳細測量了過失速狀態下流道中壓力沿徑向、周向和軸向分佈，驗證了用一維模型分析壓氣機過失速性能和失速可恢復性的可信度，同時為過失速狀態下葉片的振動響應分析計算提供了第一手實驗數據。
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