轉換元件 的英文怎麼說

中文拼音 [zhuǎnhuànyuánjiàn]
轉換元件 英文
converter
  • : 轉構詞成分。
  • : 動詞1. (給人東西同時從他那裡取得別的東西) exchange; barter; trade 2. (變換; 更換) change 3. (兌換) exchange; cash
  • : Ⅰ量詞(用於個體事物) piece; article; item Ⅱ名詞1. (指可以一一計算的事物) 2. (文件) letter; correspondence; paper; document
  • 轉換 : change; transform; convert; switch
  1. As a new financing instrument, since convertible bond came to the capital market of china, becase of its speclation and investment, it was accepted by government and companies and investors convertible bond may play an important role in broadening enterprises ' financing channels, enrich the variety of investing instruments and make our security market prosperous. csrc has issued the interrelated rules for public firms issue the convertible bonds. until the end of 2001, it has 55 firms plan to issue the the convertible bonds. but by end of 2002 only 5 firms issued the convertible bonds because of investor ' worry. but in 2003, the management strengthens the security market such as some public firms just to " fold money ", the convertible bonds become the most invest tools for the public firms refinance. only if the behavior of issuing convertible bonds is normalized our security market can tend towards a mature way, social capital can be optimized, and the public firms can also develop in an ample area. this paper base on the character of the convertible bonds

    國務院證券委員會在1997年3月25日頒發了《可公司債券暫行管理辦法》 ,又於2001年4月26日頒發了《上市公司發行可公司債券實施辦法》關于可債券的規定和條例,對上市公司發行可公司債券的要求條比配股、增發更為寬松,截止到2001年4月,有200多家上市公司夠發行可債券資格,到2001年底有55家公司計劃發行可債券,但受到一些上市公司通過配股、增發等「圈錢」的影響,投資者對上市公司通過發行可債券再融資是不得不持審慎態度, 2002年全年僅5家公司實施了可債券,共籌集資金41 . 5億人民幣,從總體發行情況看,發行規模越來越小,利率越來越高,投資者認可程度越來越低,發行和交易狀況每況愈下。
  2. Pressure sensor and hygrothermograph sensor are adopted respectively to sense these change ; a plc and its analogue cell are adopted to collect and analysis the data ; a mcgs component software is used to process and store the data in real time

    給出了以壓力、流量和溫濕度傳感器為測量、以plc為主控制器、 plc模擬單為數據的詳細硬體設計、程序設計和組態軟體mcgs在上位機的運用。
  3. 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,運用軸角器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,以實現指向反射鏡動速度的平穩性和位置的精確性。
  4. This paper focuses on the core part of the il & sm fixture system - information process system ( ips ). after relevant information is obtained from the current part, ips designs the roughcast and the parameters of stuffing, matches or designs rational locating box, positions all the locating bolt, finishes the procedure of datum conversion and ensures the communications between state shaping system, part fixing system and nc programming system

    本文的研究對象為il & sm夾具系統的核心部分? ?信息處理系統( informationprocessingsystem ? ips ) ,它通過獲取零的相關信息,進行毛坯與填料厚度的設計,設計或配置出合理的尋位箱,智能布置尋位,完成基準,並負責與狀態成型系統、工安裝系統、 nc編程系統等模塊的通訊。
  5. Series full - auto pipe expander with drawing device and program interface is used with extruding machine. it is also used solitarily, while expanding pipes, the machine adopts translation, the action is steady and corret, it does not damage pipe materical, the machine adoptes double - infrared heating oven type, each oven is equipped with heating cire, the shaping method adopts expanding - end shaping, the size of pipe mouth is correct. on its panel, there is a transfer swith of expanding solvent type pipe socket ( straigh port ) and expanding sealloop type pipe socket ( rport ). the choice of expanding pipe type is very convenient, the technologocal adaptability is strong, its main electric control elements are all imported. the syetem charecteristics are steady and reliable

    配有與主機配套的接料牽引裝置和相應的程序介面,既能與擠管主機聯線使用,又可以作單機使用;擴管時管材的移動均採用平移方式,動作平穩準確而且不易損傷管材;這種機型採用紅外線加熱方式且為雙加熱爐型,每個加熱爐都配有中心加熱爐芯;成型方式均採用擴管頭定型方式,管口成型尺寸準確;該機型在控制面板上設有擴溶劑型承介面(直口)和擴彈性密封圈型承介面( r口)的開關,擴管方式選擇十分方便,工藝適應性強;主要的電器控制均採用進口,系統性能穩定可靠。
  6. The principle of measurement system is inclined trigonometry measurement principle and ccd is photoelectric transformation element

    測量系統以斜射式光學三角法為測量原理,採用ccd作為光電轉換元件
  7. There is difference frequency measurement requirement for every part of pid regulating, difference between dynamic quality and static quality in response time and accuracy. according to these, it use the interrupt functions and high - speed counter of the simens s7 - 200 plc cpu226 basic unit and some peripheral circuit to measure frequency ; in software designed, the procedure frame of hydraulic - turbine governor and disperse process of parallel pid are analyzed, an improved pid algorithm is adopted to realize a pid regulation mode with variable structure and parameters ; the mechanical liquid - pressure system of the hydraulic - turbine governor is with electric - hydraulic converter unit of step motor. according to the drive character of five phase of response step motor, a variable frequency regulated voltage driver unit is designed in order to realize interface between plc and driver of step motor

    本文利用s7 - 200plc自身的特點設計了頻率測量單,根據pid調節各個環節的特點,以及調速器動態特性、靜態特性對頻率測量的實時性和精度要求的不同,利用s7 - 200plc基本單中內置的高速計數器以及相應的外圍放大整形、分頻電路,實現了水輪發電機組頻率的測量;在軟體上,對微機調速器的整個程序框架、並聯pid的離散化過程進行了分析,選用改進的pid演算法實現了變參數、變結構的pid調節模式;調速器的機械液壓隨動系統具有步進電機電液轉換元件,採用五相反應式步進電機,根據其驅動特性設計了變頻調壓驅動器,實現plc與步進電機驅動器之間數字介面。
  8. Author, starts from the one - way wave equation of wavefield extrapolation, research the relationship and transform condition of wavefield extrapolation operators, and propose the steady variational reference slowness rytov approximation general screen wavefield extrapolation operator ( vrselrf ) which can adapt severe lateral velocity variations, in frequency - wavenumber domain, and the improved wavefield extrapolation scheme, also give the method to improve the computation efficiency. the achievement establishes the theoretic basis of the whole research

    首先,從波場延拓的單程波方程出發,系統地研究了頻率波數域的波場延拓運算之間的相互關系和並在此基礎上提出了能適應劇烈橫向變速的頻率波數域穩定的變參考慢度rytov近似廣義屏波場延拓運算( vrselrf )和部分波場延拓改進方案及提高運算效率的措施,為整個研究打下理論基礎。
  9. Based on lots of experiments, by combining the progress in mesomechanics with fea computation and analysis, this thesis investigated many parameters " effect on crack with an arc - tip in plain mixed - mode fracture, and compared existing criteria for fracture initiation, fracture direction and fracture mode transition

    本文主要的工作是在試驗的基礎上,結合細觀斷裂力學當前的研究進展,通過有限計算和模擬分析,研究了平面復合型斷裂中各種力學參量對圓弧尖端裂紋斷裂的影響,比較分析了現有的起裂判據、斷裂擴展方向的判定方法以及斷裂模式的
  10. Firstly, optical trigonometry measurement principle and wok principle of linear ccd are introduced, which are based on to design optical focusing and imagery system with he - ne laser instrument as illuminant. secondly, peripheral circuit of linear ccd is designed in theory and experiment. finally non - contact thickness measurement instrument is constructed, using ccd as photoelectric transformation element and microprocessor as the controller

    本文首先介紹了光學三角法測量原理,並對線陣ccd的工作原理進行了研究,以此為基礎採用氦氖激光器為光源,設計了光學聚焦及成像系統,對線陣ccd外圍電路的設計進行了理論設計和實驗研究,最後設計了以ccd為光電轉換元件,以微處理器為控制核心的非接觸式厚度測量儀及其系統。
  11. Delay is obvious in large body because of its inertia, moment force, stress and gearing. transfer of electical cell increases the delay. this paper points out that the delay can be compensated by using the smith control algorithm. the result of computer emulation proved that a better quality is gained by using the algorithm on heavy nc machine

    大慣量物體,由於其慣性,加之傳動鏈長,所需的扭矩大,引起的應變大,加上電氣轉換元件的滯后,故滯後效應明顯.該文提出用史密斯控制演算法將滯后進行補償.計算機數字模擬結果說明,對大慣量有滯后的重型數控機床,應用該演算法能得到較好的控製品質
  12. Its control precision must fit a certain extent standard. now, proportional hydraulic valve which developed from the general hydraulic valve is applied in ali kind of control scopes. it uses proportional electromagnetic iron to change the electron signal into mechanical signal instead of the manual adjuster or general switch electromagnetic iron

    現在工業生產中得到廣泛應用的比例液壓閥多是在普通液壓閥的基礎上,採用廉價而可靠的比例電磁鐵作為電-機轉換元件,把電氣控制信號為機械信號,以代替原閥內的手動調節器或普通開關式電磁鐵。
  13. The dissertation discusses about field multi - channel nuclear data collecting system based on mcu in detail. the data collecting system adopts mcu ( micro - control units ) at89c55 as controlling core, applying high speed and low power adcs ( analog - to - digital converters ) cmos chip max 191 and 320x240 matrix graphic lcd ( liquid crystal display )

    該系統在硬體上以單片機at89c55為控制核心,以高速低功耗的a d晶max191作為多道脈沖幅度分析器的模數,以320 240點陣圖形液晶顯示屏作為系統的顯示器,根據初步的性能測試,系統已經達到預期的設計目標。
  14. Yet, most existing high speed on / off valves use electromagnet as their electicity - mechanism conversion element, and good performant electromagnets have to be imported from other countries, in such situation, it is difficity to make excelent high speed electromagnet valve made in our country, even if we can make good performant high speed electromagnet valve in our country, it still has the shortcoming of not high enough respond speed, too small placket and big volumeo in this thesis, a new high speed on / off valve is developed based on two types of existing valves, this new valve has higher respond speed, a little big placket and little volume o for the new valve, several main task was made out as below : a ) several types of high speed on / off were first analyzed, then the basic performance of the actuator of the new valve was analyzed

    高速開關閥是20世紀80年代發展起來的一種具有響應速度快、抗污染能力強、與電子電路配合好等特點的一個良好的動力放大。但是現有的高速開關閥基本上採用電磁鐵為電?機轉換元件,高性能的電磁鐵又基本為進口,難以滿足高性能高速開關閥國產化的要求,即使是高性能的電磁鐵式高速開關閥,仍存在著響應速度不夠大、開口過小、體積較大的缺點。本文在現有兩種高速開關閥的基礎上,設計了一種新穎的高速開關閥,在提高其動態性能的同時,增大了閥的開口,減小了閥的體積。
  15. Premium converter components deliver audio quality to satisfy even the most demanding studio requirements

    優質的轉換元件所傳送的音頻品質甚至可滿足錄音室的高技術要求。
  16. According to the present problems and developing tendency of hydraulic turbine governor, four main issues of this field are studied in this paper. the content include hydraulic control system, frequency measurement unit, stability of the discrete control system, optimization of control parameters and self - adjusting pid control strategy based on fuzzy logic. several main achievement and results are obtained and shown as follows : the electric - hydraulic pilot valve driven by step - motor is firstly proposed, which solves the problem that the electric - hydraulic converter of hydraulic turbine governor hydraulic servo is prone to be stuck and blocked and improves the systemic stability greatly

    本文根據水輪機調節領域存在的問題和發展趨勢,對水輪機調速器的液壓控制系統、頻率測量環節、離散調節系統穩定性與調節參數最優整定以及適應式參數自調整pid控制策略進行了研究,得到以下主要成果和結論:首次提出了採用步進電機驅動的步進式電液引導閥,從根本上解決了水輪機調速器電液隨動系統中存在的電液轉換元件發卡、堵塞問題,使電液隨動系統的可靠性大大提高。
  17. The data - sampling section completes analogue - to - digital conversion using fpga and high speed adc, then transmits these data to processing communication equipment in some format. because fpga has high speed processing capacity, this section can obtain very high sampling rate

    數據採集部分採用現場可編程門陣列( fpga )作為與模數( adc )的介面,在單晶內實現了同步采樣控制、數據編碼傳輸的功能。
  18. A mathematical transformation algorithm precisely reconstructs the spectrum with a 4x signal - to - noise improvement as compared with a slit - based system equipped with identical source, grating and detector components, and 70 - 80x greater than with a fiber input of equivalent resolution

    一個數學演算法則精確地改造了光譜,在使用相同的光源、光柵和探測原的情況下,與傳統的基於狹縫技術的系統相比,新的光譜儀將信噪比提高了四倍,而進光量提高70 - 80倍。
  19. Second, the design of hardware module including a / d converter, ddc ( digtial downconverter ) and dsp was illustrated. in this part, the design and application of ad6644, hsp50216 and dsp chips are fully discussed. the design of software module mainly refers to the parameter design for ddc filter and the baseband signal processing of dsp which is realized by some simulation

    其次模塊的硬體設計,主要包括: a d器、數字下變頻( ddc )以及dsp ,詳盡地介紹了a dad6644 、數字下變頻hsp50216 、 dsp晶的設計方法,模塊的軟體設計主要是數字下變頻參數的設計和后續基帶信號的處理,並對該系統實現系統模擬。
  20. Firstly, the paper starts from the one - way wave equation of wavefield extrapolation, research the relationship and transform condition of wavefield extrapolation operators, and improves on the wavefield extrapolation operator and so heightens the operation efficiency, and chooses the pspi that fits to the lateral variation of velocity to resolve the wave - equation, which lay a foundation of the theoretic study

    首先,從波場延拓的單程波方程出發,研究了頻率?波數域的波場延拓運算之間的相互關系和,並在此基礎上改進了波場延拓方案和提高了運算效率,選擇了適合於縱橫向速度劇烈變化的pspi方法求解波動方程,為整個研究打下了理論基礎。
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