流動顯示技術 的英文怎麼說
中文拼音 [liúdòngxiǎnshìjìshù]
流動顯示技術
英文
flow visualization technique- 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...
- 顯 : Ⅰ形容詞1 (明顯) apparent; obvious; noticeable; evident 2 (有名聲有權勢的) illustrious and inf...
- 示 : Ⅰ動詞(擺出或指出使人知道; 表明) show; indicate; signify; instruct; notify Ⅱ名詞1 [書面語] (給...
- 技 : 名詞(技能; 本領) skill; ability; trick; technique
- 術 : 術名詞1. (技藝; 技術; 學術) art; skill; technique 2. (方法; 策略) method; tactics 3. (姓氏) a surname
- 流動 : 1. (液體或氣體移動) flow; run; circulate 2. (經常變換位置) going from place to place; on the move; mobile
- 顯示 : 1 (明顯地表示) show; display; demonstrate; exhibit; evince; manifest; discover; reveal; vision ...
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This dissertation is about theories and applications research of cfi, includes four main parts : first, the theoretical modeling of computational flow imaging corresponding to shadowgraph, schlieren, interferometric and planar laser induced fluorescence ( plif ) is developed
本文對cfi的理論和應用進行了研究,主要包括以下四個方面: 1在總結國外cfi工作的基礎上,創新地建立了一套嚴格的、基本完善的、並具有較強針對性的計算光學流動顯示技術( cfi )的理論體系。Computational flow imaging ( cfi ) uses theoretical predictions of the interaction and transmission of optical waves through theoretical flowfield to generate digital pictures that simulate real observations. it was used to construct flow visualization corresponding to shadowgraph, schlieren, interferometric and planar laser induced fluorescence ( plif ) images. by providing a better insight into the flow physics and cfd code behavior, cfi is proving to be extremely useful to experimentally validate cfd codes
計算光學流動顯示技術( computationalflowimaging - cfi )就是把數值計算( cfd )獲得的流場中的物理場,經過與實驗相同的計算光學(全息干涉、紋影、陰影、平面激光誘導熒光)的過程轉換為所需的各個方向與試驗流動顯示圖像相對應的計算流動圖像。The paper focused on how to apply the new technology xml in application and support layer of e - government effectively. we made thoroughly researches on the format of electronic official document based on xml, the method of using xsl to format electronic official document, the definition of e - government business process based on xml and xml web services. we achieved the works following : ( 1 ) electronic official documents in many government web sites are based on html, and created by people
對基於xml的電子公文格式、用xsl格式化電子公文、使用xml來定義電子政務中的業務流程和xmlwebservices技術等新思想、新方法進行了深入地研究,主要完成了下列工作: ( 1 )針對電子政務中數據交互的問題設計了一套基於xml的電子公文格式和針對該格式的xsl格式化樣式單,從而可以在程序中實現電子公文生成、顯示和傳輸的自動化,突破了目前大多數政府網站電子公文所採用的html靜態格式、人工生成頁面的方式,減少了政府網站建設過程中的重復性工作,減輕了繁重的維護任務。Through analysising the characteristics of the power system with floating neutral point deeply, the paper puts forward a new plan of single - phase to ground fault line selection on the base of s ' s signal injecton method and gives the hardware and software design. in this design, the high speed sampling and data processing is carried out through using dsp processor ; the large electrice current is drived through the application of a high - performance audio power amplifier and transformer ; the communication between host computer and detectors is realized through rs485 bus technology ; the difference multilevel frequency - selected amplifier is designed and the feeble signal of space is sampled on the base of the theory of magnetic induction ; the interface between dsp and exterior chip and rs485 interface logical is designed through using fpga ; the using of lcd module and keyboard interfacing chip makes the interface between human and machine ; the programme of host computer and detectors is designed through using blocking design method
在本設計中,採用高速的dsp處理器,實現了對故障特徵信息的高速採集與處理;採用大功率的功放晶元與變壓器配合的方法,實現了大電流信號的驅動輸出;採用485總線技術,組建了裝置主機與多探測器之間的主從式通訊網路,實現了多干擾條件下裝置主機與多探測器的可靠通訊;設計了差分式多級選頻放大電路,採用磁感應的方法實現了對空間微弱信號的接收;利用fpga技術,實現了控制器與多外設的介面及數字信號的串並轉換;採用了先進的lcd液晶顯示模塊及鍵盤介面晶元,設計了人機信息交互的介面;採用了模塊化的軟體設計方法,開發了裝置主機及探測器的軟體程序。The meijiayi mjy channels therapeutic apparatus developed by our company, combines the advanced microcomputer technics with the profound traditional chinese medicine methods as well s the human channelss science, magically takes advantages of modern electronic technics and the outer treatment of chinese medicine, realistically simulated the effects like acupuncture, aprapathy, essage, eating, kin scraping and cupping, etc. which improve the comprehensive effects, especially for the common ailments and geriatric diseases in digest digestive system, respiratory system and nervous system
旋翼式多流束濕式基表,雙脈沖采樣方式進行數據採集,採用計算機技術進行數據處理顯示控制閥門動作。它採用獨特的卡口安全及保護措施動態安全可靠的ic卡加密機制先進的硬體及軟體的容錯處理性能安全可靠,具有精度高自身功耗低體積小壽命長便於安裝等特點。能準確實現用水計量及實現預付費功能。Based on the advanced embedded computer and network technology along with the embedded operational system such as windowsce, the instruments can gather many functions such as transmitting and measurement, compensatory computation, signal analysis and processing into one instrument. in this paper a portable instrument for vibration measurement with embedded computer system was discussed. based on windowsce real - time operation system the software of this instrument was designed and developed with evc computer language
本文基於目前流行的便攜式儀器的核心技術? ? windowsce ,設計開發了應用於現場設備振動測量分析的的便攜式測振儀表,針對現場特點和實際要求,對于測振儀的硬體系統進行了規劃設計,並重點對于儀器軟體進行開發,在windowsce平臺下,利用evc語言開發研製了儀器的應用軟體,實現了包括信號採集、分析、顯示、數據存儲和通信功能的軟體系統;並對該軟體進行了計算機模擬調試。And flow velocity can be induced in still air. consequently a new method about active flow control is discovered. flow visualization has shown that plasma between symmetric streamwise electrode strips ca n ' t induce flow velocity at the same phrase driving but can at multi - phrase driving, and asymmetric streamwise eledtrode strips can induce flow velocity both at the same phrase and at multi - phrase driving in still air
本文的主要工作表現在以下幾個方面:一、成功研製了高效、經濟、可控的輝光等離子體發生器,利用自行研製的等離子體發生器一個大氣壓下產生了均勻可控的輝光等離子體,並進行了流動顯示實驗,採用ehd技術在靜止的空氣中誘導了流場,開創了主動流動控制一條新思路。Solid laser pumped by semiconductor laser has the advantages of laser diode and solid laser, so it develops rapidly in recent years and gets the extensive application in the fields of military, communication, processing and scientific research, etc. in order to meet the demands for laser power of semiconductor solid laser pump solid yag laser, i synthetically adopt the singlechip digital automatic control technology which is extensively used in the intelligent instruments, products of electromechanical integration and automatic control system, lcd technology, pc switch technology and steady voltage, invariable current technology
半導體激光泵浦的固體激光器由於兼有了激光二極體和固體激光器的雙重優點,近年來得到迅速發展,並在軍事、通訊、加工和科研等領域中得到廣泛的應用。本文針對半導體固體激光器泵浦固體yag激光器系統對激光電源的要求,並且綜合運用了當前在智能儀表、機電一體化產品、自動控制系統中應用廣泛的單片機數字化自動控制技術、 lcd顯示技術、 pc開關技術及穩壓、恆流技術,研製了脈沖半導體激光電源。A measurement system was developed based on flow visualization and image processing techniques, which can be used to investigate the spatial structure of low - speed streaks in the near wall region of turbulent open channel flow
基於流動顯示和圖像處理技術,獨立開發了明槽紊流近壁區帶狀結構的實時測量系統。In this paper, the spatial structure of the low - speed streaks and particle motion in the near wall region of turbulent open channel flow were observed on the side and bottom of a water flume, respectively, using flow visualization and image processing techniques
本文以試驗研究為主要手段,採用流動顯示和圖像處理技術,從水槽底部和側面兩個方向測量,分別對明槽紊流近壁區的帶狀結構及顆粒運動特性進行了系統的試驗研究。Qualitative and quantitative measurements of disturbances in channel suspensions are carried out using dye emission and piv techniques
然後採用染色線流動顯示技術與粒子圖像測速技術對槽流懸浮流的擾動波特性進行定性和定量觀測。Firstly, the current testing localization in the detection of electric bow is analyzed and the new system ' s whole construction developed in this thesis is introduced ; in the 2rd chapter, the embedded 110v dc power supply is analyzed and constructed, and with experiments, some dissonant results such as the fluctuation of output pwm ( pulse width modulation ) pulses, the power noise added to output voltage, and the drop of output voltage have been analyzed and the problems have been broken down one by one ; in chapter 3, stepping motor ' s drive has been systematically dissertated, and combing stepping motor ' s subdivided drive technology, the author develops an intelligent mini - step driving circuit using a main - sub microprocessor structure, which is validated in the hybrid stepper based system ; in the 4th chapter, liquid crystal driving and displaying technology is specified in detail, with one sort of lcd modules ( tlm12864h ), the author develops an feasible circuit for the new testing system, designs a menu mode based program struc ture and brings here some programming codes using franklin c51 programming language ; in chapter 5, the above built system is used in the electric bow ' s practical detection, and the differentiating rate of this system is analyzed
論文首先分析了目前機車受電弓檢修方式存在的局限並概述了本論文研製的受電弓測試系統的體系架構;第二章對系統內置110v直流控制電源進行了分析和設計,結合試驗對輸出pwm振蕩、輸出電源噪聲大、輸出電壓下跌等現象進行了分析並提出解決措施;第三章論述了步進電機的驅動,結合步進電機微步驅動技術研製了基於上下位單片機組的混合式步進電機智能驅動電路,並在試驗中得以驗證;第四章詳述了液晶驅動及顯示技術,利用一款液晶顯示模塊tlm12864h研製出本系統用液晶顯示電路,設計了菜單式的程序結構並以franklinc51編程方式給出部分子程序代碼;第五章則將以上構建的整個系統應用在機車受電弓的實測中,並對測試解析度進行了分析。In this paper the injection dispersion in an oscillatory flow mixer has been studied by using the flow visualization technique with a solution of blue dye as the tracer. the process of injection dispersion was monitored with a digital camera connecting to a computer that treated the video data stream synchronously to obtain the attenuation curve of relative deviation of the flow image ' s gray scale values
實驗採用以藍色有機染料為示蹤劑的流動顯形技術,由攝像頭實時攝取注入分散過程的動態圖像,計算機同步分析視頻流數據,從而以在線監測的方式獲得流場圖像的灰度相對方差隨時間衰減的曲線。The research results is briefed as follow. ( 1 ) a new communication and decision - making method is presented, which integrated several new tools as well as some old ones ; ( 2 ) a new concept of " virtual communicating place shared in real time by multi - user " is brought forward, and a new technology based on event - driving and message - transferring mechanism is designed to realize graphic data shared by multi - user and displayed synchronously under net environment, which is the basis of the whole system. ( 3 ) a new mechanism for team members to share data efficiently is devised, which supports collaborative working in progress, maintains the consistency of data, records the history of design and etc. by defining a new type of the design data attributes and the privilege of team member to access to data in different time, using a new method of data manipulating, the team data sharing is realized
本文的主要研究成果為: ( 1 )在研究國內外網路決策交流方式方法的基礎上,綜合多種方法的優點,提出了一種新的決策交流方式,採用了多種手段和工具,完善了網路決策交流的機制; ( 2 )提出了多用戶共享的可視化虛擬交流空間的概念,並對其實現技術進行仔細的分析,針對目前存在的技術難點,提出了可行的解決方案,設計了一種新型的基於事件驅動和消息傳遞機制的多用戶實時共享圖形數據的解決方案,並採用了跨平臺的java技術實現了網路環境下圖形數據的實時交流和顯示; ( 3 )針對團隊協同的網路cad系統的特點和要求,提出了一種新的團隊數據共享機制,通過對產品數據的基本屬性、歷史屬性、共享狀態屬性和關聯屬性的定義,結合對團隊成員在不同設計階段的權限控制,採用新型的對共享數據庫的數據操作方法,動態地維護團隊數據的共享、設計的變更、設計進程的同步、關連數據的一致性、以及多個團隊之間的數據交流。As various kinds of technology including computer, communication, control and cathode ray tube ( crt ) developing quickly, measurement & control network ( mcn ) tends towards networking, distributing, opening and interoperating, which is widely applied in many fields such as industry automation, intelligent building, processing control, etc. firstly, this paper makes a detailed study on the prevalent field control systems ( fcs ), including the characteristics of structure & technology and advantage, introduces several popular field buses, designs the model of field control system, and puts forward three effective methods to integrate between the mcn & information network under different situations
計算機技術、控制技術、通信技術、圖形顯示技術和計算機網路的迅速發展,推動著測控技術向網路化、分散式、開放性和互操作性的方向發展,它被廣泛應用於工業自動化、智能大廈、過程式控制制等領域,大大提高了生產效率與經濟效益。本文首先分析了當前流行的fcs網路的結構特點、技術特點和優勢,介紹了幾種較為流行的現場總線,構建了企業生產的。 fcs網路模型,並提出了在控制網路和信息網路之間加入轉換介面、採用dde技術和使用統一的協議標準三種集成方式。First we study amply key techniques of four kinds of cfi technique. the calculation algorithms of four kinds of cfi technique are analyzed and developed. after we get the flow field prediction data calculated according to the theory of computational fluid dynamics ( cfd ), we can compute the four images of cfi using the algorithm of the cfi
首先,詳細研究實現四種cfi技術的關鍵技術,分析建立了四種cfi技術對應的計算演算法,即根據計算流體力學( cfd )得到的部分流場預測計算數據后,按照cfi演算法分別計算得到四種流動顯示圖像。The computer simulation technique for flow visualization is the technique of computational flow imaging ( cfi ). cfi is succinctly defined as the art and science of generating digital images of theoretical fluid observations of real flow fields. it involves numerical value calculation, image processing, computer graph and so on
流動顯示的計算機模擬技術亦即計算流場成像( cfi )技術,是根據計算流動現象產生數字圖像模擬真實流動的光學觀測的方法和藝術,涉及到數值計算、圖像處理、計算機圖形生成等多種技術。The piv technique is applied to visually measure the flow field in the vicinity of the exit of slot turbulent jet with limited width discharged into cross - flow from bottom
摘要本文應用piv流動顯示技術詳細測量了有限寬度窄縫射流從底部射入橫流的流場結構。Experimental investigation of the vortex characteristic over 75 176 ; 45 176 ; double delta wing
利用激光片光技術進行雙三角翼剖面流動顯示研究In recent ten years, on the basis of development of high - speed digital signal processor and microprocessor, on the basis of research for new - style probe material and technology, on the basis of research for acoustic channel configuration and flow mechanic, the ultrasonic flow measurement technology has obtained a great advancement, showing its strong technical advantage and becoming an important flow measurement technology
近10年來,基於高速數字信號的處理技術與微處理器技術的進步,基於新型探頭材料與工藝的研究,基於聲道配置及流體動力學的研究,超聲波流量測量技術取得了長足的進步,顯示了它強勁的技術優勢,成為一種重要的流量測量技術。分享友人