環流測試 的英文怎麼說

中文拼音 [huánliúshì]
環流測試 英文
loocurrent test
  • : Ⅰ名詞1 (環子) ring; hoop 2 (環節) link 3 (姓氏) a surname Ⅱ動詞(圍繞) surround; encircle;...
  • : 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...
  • : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
  • : 名詞(古代占卜用的器具) astrolabe
  • 環流 : [氣象學] circulation; circulating current; circumferential motion; circular current; ring current...
  • 測試 : test; testing; checkout; measurement
  1. According to the system technology require, adopting singlechip realize open loop digital control of hdclsm ; using v / f conversion and complex key - control method realize digital setting of system parameter, such as velocity ; using micro - stepping control insure the motor running more smoothly ; adopting debasing speed control method to eliminate the mechanical impact of distance termination effectively ; at the same time, analyzing main power circuits drive circuit and protect circuit of system, completing hardware design and facture and software programming and debugging ; at last, making a whole test in hybrid rotary step motor. the experiment result indicates that this control system reaches the qualities required and run smoothly also

    根據系統技術要求,採用單片機實現了混合式直直線步進電動機的開數字控制;利用v f變換和復合鍵控方法實現了系統轉速等參數的數字設定;利用細分控制技術保證了電機運行的平穩性,並進行了波形分析和理論研究;採用單片機軟體降速控制策略解決直線步進電機行程末端的機械沖擊問題;同時對主功率電路、驅動電路和系統保護電路進行了分析,完成了硬體設計、製作和軟體編程、調,最後在混合式旋轉步進電動機上進行了全面
  2. Monitor apparatus can measure valid value of three phase voltage and current, power factor, three phase disequilibrium, instant flecker of short time and harmonic without twenty, degree and harmonic distortion total. the paper are laid on the following. ( 1 ) master plan and function of circuit, ( 2 ) hardware design including circuit and principle of a / d conversion, phase lock, liquid crystal display and keystroke and so on, ( 3 ) design of system software including digital filtering, fft, a / d conversion and monitor interface of pc, ( 4 ) system test

    儀能夠完成包括三相電壓、三相電的有效值、功率因數、三相不平衡、電壓短期閃變、以及20次內的諧波、諧波相位、諧波失真總量等的量。論文重點介紹了以下幾部分: ( 1 )電路的總體設計和功能; ( 2 )硬體設計,包括a d轉換、鎖相、液晶顯示和按鍵輸入等原理和電路。 ( 3 )系統軟體設計,包括a d轉換、 fft 、數字濾波等程序的原理和演算法以及上位機監控界面的設計; ( 4 )系統
  3. Beijing seven - color ring technology products television limited is the development, production, marketing, and system engineering for the main business, the renowned products of complete autonomy in r & d and production arm of a large series of video products, its overall performance can be fully verified, the process equipment and its key components are world - class manufacturers, by the authority of physical abnormalities destructive testing and the safety of a number of patented technologies, a declaration rocker flying boat full compatibility broadcasting class, professional - level film cameras, video cameras, small hdtv cameras, boom achieve the same product serialization

    北京七色光科技發展有限公司是影視產品的開發、生產、銷售、及系統工程為主營業務,產品有享譽中外的完全自主研發生產的大型影視搖臂系列產品,其整機性能得以充分驗證,其工藝設備及其關鍵部件均由世界一的廠商提供,通過權威物理異常破壞性的安全及多項專利技術的申報,飛行船搖臂全面兼容廣播級、專業級膠片攝影機、攝像機,小型高清攝像機,實現了同一臂型產品系列化!
  4. In this thesis, firstly, we put forward a new algorithm of the synchronization of carrier reference phase, that is to use the curve synthesizing with the general digital carrier phase looper to have an estimation on carrier frequency within 10 ms so as to meet the need of meteor burst communication. we have done some simulations to get the performance of carrier frequency estimation using two modulation modes ( 16qam and 4 - qpsk ), and had some test on the carrier phase looper in conditions when using different baud rate transmission and when the baud tuning have windage

    我們對兩種正交調制方式( 16qam和4 - qpsk )進行了模擬工作並給出了模擬結果,同時討論了碼元同步定時誤差對鎖相路工作的影響並根據星通信中使用變速率傳輸時鎖相路的載波同步性能進行了;然後在基於軟體無線電思想的數字處理平臺(該數字處理平臺實現了中頻數字化)上用dsp軟體完成了載波的相位跟蹤。
  5. It combained potentiostat, potentiostatic circuit instrument and ac impedance measurement organticace, which can measure usual dynamic potentio - scan, experiment of dynamic potentio - scan, but also unique measurement of ac impedance measurement, also, this new type electrochemical workstation can carry on complex experiment, sucn as potentio / current scan ac impedance measurement procedural measurment, life - span - circle ac impedance measurement procedural measurement in order to fullfill the goal of track and analysis of parameter in various electrochemical conditions. this graduation thesis indicate the structure, function of the multifunct - ional electrochemical workstation

    它把恆電位儀,恆電儀和電化學交阻抗分析儀有機地結合到一起,既可以做常規的基本如動電位掃描、動電掃描驗和電化學交阻抗量,也可以做基於這三種基本驗的程式化驗,如恆電充電-電化學交阻抗量,電池壽命循驗-電化學交阻抗驗,從而完成多種狀態下電化學體系的參數跟蹤和分析。
  6. Valves requiring processing in the clean room should first be assembled prior to cleaning, subjected to cracking and reseat pressure, and flow tested in the flow outside the clean environment

    要求在絕對無塵室處理的閥門首先必須在清洗前進行組裝,經過裂化及復位施壓,然後在清潔境下的體中作
  7. 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迴路的解析度、采樣約束以及精度等基本問題,並按照系統分析的結果設計了包括前置放大、帶通濾波、交放大、相敏解調、脈寬調制、頻標電路以及力矩電發生器等系統各部分硬體電路,驗證了電路的正確性,最後按照系統的要求,採用了美國ni公司專為領域所開發的虛擬儀器工具? ? labview作為軟體開發工具,利用該圖形化編程語言完成了系統軟體部分的設計,實現了功能。
  8. It shows that the injection quantity and the difference of temperature distribute as a parabola which is at the same load, and the minimum of the parabola corresponds to the optimum quantity of injection ( g ). under the condition that the quantity of injected mass, the air speed and the heat quantity is respectively g, v and q, the research demonstrates that the pentium iv chip ' s temperature variation can be controlled under 40c and work normally when the wind speed overpass 1. 5m / s and the power dissipation of the chip is 60w. otherwise this paper calculates the flooding limit of thermosiphon with several different methods

    對其充灌量、散熱量、電子元件( cpu模擬晶元)表面與境溫度之差及通風、速的影響進行了系統的,發現充液量與溫差的關系在負荷不變時呈拋物線分佈,其極小值點對應的充液量是最佳充液量g 。在充液量為g時,對風速v 、散熱量q進行的研究表明,當風速超過1 . 5m / s后,奔騰晶元在60w發熱條件下晶元溫度小於40 ,能滿足長期正常工作。
  9. The introductions of thixotropy loop and rheological equations of state buttress us with feasible means to analyse and compare the experimental results of these two gels

    通過引入觸變變方程對實驗結果進行對比分析,驗證了變特性對于光纖油膏的重要意義。
  10. China has also taken part in global oceanographic activities, including the gsmmp ( global studies and monitoring of marine pollution ), the toga ( tropical ocean and global atmospheric project ), the woce ( world ocean circulation experiment ), the jgofs ( joint global ocean flux study ), the loice ( land - ocean interaction in the coastal zone ), and the globec ( global ocean ecosystem dynamics ), making positive efforts to promote worldwide oceanographic cooperation

    中國參與了全球性海洋科研活動,包括全球海洋污染研究與監、熱帶海洋與全球大氣研究( toga ) 、世界大洋驗( woce ) 、全球聯合海洋通量研究( jgofs ) 、海岸帶陸海相互作用研究( loice ) 、全球海洋生態系統動力學( globec )等,為推動全球海洋科技合作作出了積極努力。
  11. Standard test method for alternating - current magnetic properties of toroidal core specimens using the voltmeter - ammeter - wattmeter method

    使用伏特計-電計-瓦特計方法形鐵芯樣交磁性能的標準驗方法
  12. To improve understanding of the processes of heterogeneous land surface - atmosphere interaction, the utilization of satelli te remote sensing is indispensadle. in this paper, with the aid of satellite remote sensing and fiend observational data which observed during intensive observation of huaihe river bain energy and water cycle experiment hubex in 1998, the surface albedo, ndvi normalized difference vegetaton index and surface temperature in regional scale of hubex could be derived. then, the distribution of regional energy balance components could be estimated. this wor provided the physical foundation for the numerical simulation of the huaihe river basin energy and water pro cesses, and is important for us to further analyze the regional distribution of surface characteristic parameters ad energy balance components with the change of the weather situation in hubex in 1998. our work is still in a developing stage, some methods of retrieval in the paper should be improved further

    利用1998年淮河域加密觀驗hubex iop期間的資料,進行淮河域能量平衡的參數化方案的研究,用noaa衛星的avhrr資料建立了驗區地表特徵參數及能量平衡各分量的參數化方程,並對衛星遙感反演結果和驗觀值進行了對比,為淮河域能量和水循的數值模擬提供了物理依據。
  13. The testing of thermal environment in one urban residential district of changsha city in sep, 2002 is retrospected and concluded. variations of surface temperatures of the buildings various terries, urban streets in that day are discussed, inflow boundary conditions and partial thermal boundary conditions for thermal environment simulation are obtained. the thermal environment status in this region could be macro - discerned

    2002年9月在長沙市某住宅小區進行了熱工作,討論了當天墻體表面溫度變化、不同鋪墊表面溫度、街區點溫度變化等,獲得了熱境模擬計算的來邊界條件及部分熱邊界條件,宏觀定性地了解了該區域的當天熱境狀況。
  14. An optional black anodized aluminum cover can be used to eliminate ambient light and to block the light path when taking dark current measurements

    另外還提供一個可選配的黑色陽極電鍍鋁蓋用於在進行暗電時遮蔽境光線。
  15. Manufacturer of precision instruments and controls including barometers, density monitors and level control for use in applications in chemical, petrochemical, food, medical, pharmaceutical, water and wastewater treatment, utility industries

    -銷售非接觸紅外溫儀儀音量計噪音計照度計溫濕度計一氧化碳儀電力基礎儀表數字萬用表交直鉗形表。
  16. Clothing and equipment for protection against heat - test method for convective heat resistance using a hot air circulating oven

    防熱服及設備.用熱空氣循耐對熱的驗方法
  17. The test results of sub - c type showed that middle voltage is higher with 50 u m alloy particle, la - rich alloy has perfect performance at high rate, ce - rich alloy is excellent at high rate and lower temperature, low co alloy is good to decreasing middle voltage except the less recycle life. experiments about the electrolyte showe d that the performance is optimized with contents : koh 78 %, naoh 20 %, lioh 2 % and density 1. 300 g / cm3

    對貯氫合金材料粒度和成份進行了粒度分佈、成分分析和xrd掃描,並將材料制備成sc型電池進行大電,結果顯示,合金粒度在50 m時,電池放電平臺高,富鑭合金的大電性能好,富鈰合金有利於電池低溫高倍率放電性能,合金中鈷含量減少雖對電池的放電平臺有利,但循壽命短。
  18. Several feasible boundary conditions of thermal environment computations are provided. numerical simulation of thermal environment in that residential district is carried out depending on theoretical studies, wind environment simulations and thermal environment testing mentioned above. distributions of wind velocity, pressure, turbulence and temperature in two different periods are investigated and analyzed, and feasibility of thermal environment numerical simulation is proved by comparison of temperature and velocity values between testing and simulation in some tested spots

    提出幾種可行的熱計算邊界條件,在上述基礎理論研究、風境模擬計算、熱等基礎之上對住宅小區熱境進行了數值模擬,分析了兩種時段內風場、壓力場、湍場及熱場分佈,並比較了部分地點溫度和風速值與計算結果的差異,論證了熱境數值模擬的可行性。
  19. In control flow testing, homing sequence is created first, then the waiting time is set in homing and checking sequence according to the network topologies and events

    在控制中,先生成引導序列,然後按照拓撲境設置和事件約束對引導序列、序列的時間進行約束設置。
  20. Electrical, physical and materials testing to support design validation and product qualification

    使用天線系統及子系統附件中的電腦模擬,性能設計分析及確認
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