精確調制 的英文怎麼說

中文拼音 [jīngquèdiàozhì]
精確調制 英文
delicate adjustment
  • : Ⅰ形容詞1 (經過提煉或挑選的) refined; picked; choice 2 (完美;最好) perfect; excellent 3 (細)...
  • : 形容詞1. (符合事實; 真實) true; reliable; authentic 2. (堅固; 堅定) firm
  • 調 : Ⅰ動詞1 (配合得均勻合適) harmonize; suit well; fit in perfectly 2 (使配合得均勻合適) mix; adju...
  • : Ⅰ動詞1 (製造) make; manufacture 2 (擬訂; 規定) draw up; establish 3 (用強力約束; 限定; 管束...
  • 精確 : accurate; exact; precise
  1. Main elements, such as electromagnetic valve, bulgy valve, pressure controller, are provided from alco american to avoid the malfunctions

    開機簡單,操作智能化,採用pid微電腦,根據負荷需要自行調節機組運行狀態
  2. The problems include catmull - clark subdivision surfaces ca n ' t precisely represent standard conicoid except paraboloid, and it ca n ' t modify the shape of limited surfaces when the original control mesh be given

    如: catmull - clark細分曲面無法表示除拋物面外的常規二次曲面;在給定初始控網格的情況下,難以調整所生成曲面的形狀等。
  3. This paper presents a method that chopping wave is done by switch devices which consist of three - level resistance regulating module and intelligence power module ipm, and which realizes constant - current discharge of storage battery. to achieve the intelligence control of the drive protection and the discharge process of ipm, the paper designs circuit formed by igbt threshold drive pulse pwm signals. ipm fault - blocking protection circuit and microcomputer 80c196. the devices can accurately control the 0 ~ 150a discharge current and the discharge time of the storage battery and calculate the releasing power

    實現蓄電池恆流放電過程智能控是蓄電池放電裝置發展的必然趨,本文提出了一種通過三極電阻調節模塊和由智能功率模塊ipm為開關器件進行斬波從而實現蓄電池恆流放電的方法。為達到對ipm的驅動保護和放電過程的智能控,文中設計了igbt門極驅動脈沖pwm信號形成電路和ipm故障封鎖保護電路及由單片機80c196為核心的微機控器。本裝置能夠對蓄電池進行0 150a放電電流及放電時間的及釋放容量的計算。
  4. The company takes advantage of advanced dcs control system, high efficient float valve tray technology, high efficient energy - saving exchange techniques, fcc catalytic cracking double riser, two - generator regeneration process, polypropylene with loop reactor process and refining and blending process of high - number gasoline, etc. to ensure providing the users with high - tech qualified products

    公司採用先進的dcs控系統,高效的浮閥塔盤技術,高效節能交換技術, fcc催化裂化雙提升管、兩器再生工藝,環管聚丙烯工藝,高排號汽油調和工藝等,保高科技合格產品送至用戶手中。
  5. Roller adopts imported 95 natural wearable isoprene, height of roller adjusted by micro - speed reducer, controlling sanding precision exactly

    膠輥採用進口95度天然耐磨損橡膠,膠輥的高低可通過微型減速機微量調節,砂削度。
  6. 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,然後定了以二元調寬脈沖再平衡測試迴路為設計方案,並從控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、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。
  7. The subject has mainly finished designing and debugging software and hardware of a / d decode module, fpga video processing module, video data frame deposit module, base clock produce module, d / a encode module, i2c bus control module, etc. a / d decode module gathers analog tv signals and realize video decode ; fpga video processing module deals with the data after decoding and produces systematic logic control signal ; video data frame deposit module offers the buffering area to a large n umber of high - speed video data ; base clock produce module through input basic video signal offers system accurate relevant synchronous signal ; under control of video processing module d / a decode module convert digital video data into compound tv signal which can be shown in tv directly ; i2c bus control module is used to initialize the chip of system by simulating i * c bus timing

    本課題主要完成了a d解碼模塊、 fpga視頻處理模塊、視頻數據幀存模塊、基準時鐘產生模塊、 d a編碼模塊、 i ~ 2c總線控模塊等部分軟、硬體設計及調試。其中a d解碼模塊採集模擬電視信號實現視頻解碼; fpga視頻處理模塊對解碼后的數據進行去噪處理的同時還負責系統的邏輯控;視頻數據幀存模塊為大量高速的視頻數據提供緩沖區;基準時鐘產生模塊通過輸入基準視頻信號為系統提供的相關同步信號; d a編碼模塊在視頻處理模塊的控下把數字視頻數據轉換成復合電視信號供顯示用: i ~ 2c總線控模塊模擬i ~ 2c總線時序實現對系統中編、解碼晶元的初始化。
  8. This thesis introduces the working principle, craftwork requirement, modeling process, control strategies and the realization of lf refining furnance bottom blowing argon control system. through the study and analysis of bottom blowing argon process control system, the thesis discusses the mean neural network model of controlled object and the mathematical models of the exectors, pwm adjustable pressure controller and pcm adjustable flux controller according to the relevant liquid knowledge and relevant data, including design data, test data and running data. to begin with the craftwork reguirement of bottom blowing argon and the actual instance of the control system, it presents the strategies of fuzzy parameters self - adaptive pid control used in pressure difference inner loop and fuzzy plus pi compound control used in flux outer loop which are based on the above modeling in order to carry out the accurate control of argon flux

    本文介紹了lf煉爐底吹氬過程式控系統的工作原理、工藝要求、建模過程、控策略以及控系統的實現。通過對煉爐底吹氬過程式控系統進行研究與分析,並根據流體力學的有關知識以及有關數據(其中包括設計數據、試驗數據和運行數據) ,建立起了被控對象的平均神經網路模型和執行機構(即pwm調壓器和pcm調流器)的數學模型。在此模型的基礎上,從底吹氬工藝要求和控系統的實際情況出發,提出了壓差內環模糊參數自適應pid控策略和流量外環模糊pi復合控策略,以實現氬氣流量的
  9. Electromotor joins with high efficiency selected water pump, scm ( single chip micyoco ) control system commands water pump according to cooling water temperature which substitutes traditional strap - driving mechanism pump and forms tael - level intellectualized control cooling system combining with electromotion control of cooling fan. consequently it realizes that water pump and fan autoregulate with engine working status and assures t hat cooling water temperature keeps in the best range all the time and advances the reliability of engine working and realizes exact control of cooling water temperature in deed

    選用高效率水泵與電機聯接,改由單片機控系統根據冷卻水溫控水泵的工作,代替傳統的皮帶帶動的機械水泵,結合冷卻風扇的電動控形成兩級智能化控的冷卻系統,從而,實現了水泵和風扇轉速隨發動機工況變化的自動調節,真正實現了冷卻水溫的,保證了冷卻水溫始終保持在最佳范圍內,大量減少傳熱損失降低油耗,並提高了發動機工作的可靠性。
  10. Controlling temperature using scr system, the range of temperature difference controlling one centigrade, precisely controlling the thickness of sheet and flatness for the plasticizing process. adjusting the interspace of screw and pressing roll to adjust the sheet thickness, can control precisely the thickness. can select the grain roller from

    ,對塑化過程及板片厚薄平整度均能作到板片厚薄採用機筒螺桿與壓輥雙向調整,可其厚薄壓花輥從
  11. Product characteristic : vmate entire, function table model keyboard ; peleco " d p " agreement, baud rate 4, 800, peleco " p " agreement, baud rate 2400rj - 45 connection ; the three dimensional rocking bar may carry in the accuracy control keyboard to quick ball each kind of speed the pressed key to be allowed to choose the camera the address ; transfer ball machine function menu ; processing pre - placed position ; opens and closes the small aperture ; focal variation and focusing lens ; the start stops automatic and the random scanning function

    三維搖桿可對快球的各種速度進行鍵盤上的按鍵可以選擇攝像機的地址碼調用球機功能菜單處理預置位打開及關小光圈變焦及聚焦鏡頭啟動停止自動及隨機掃描功能
  12. Using the digital technology improves the performance traditional thyristor welding machine, according to the characters of the double inverse star from rectifier circuit, set the parameters with micro - controller accurately, design the dependable trigger circuit, lead the feedback of voltage for the operation program, so the voltage of main circuit be carried out very steadily

    摘要利用數字控技術對傳統晶閘管焊接電源進行改進,根據雙反星型晶閘管整流電路的特點,採用單片機進行設定,設計了高可靠性觸發迴路,結合電壓反饋進行程序運算控,實現了主電路輸出電壓的調整和可靠運行。
  13. It make possible for the system to set and to change source current ( which is proportional to evaporation rate from the ms source ) during coating process

    在鍍膜過程中,保證了每個磁控濺射靶上電流的穩定控調整。
  14. This system provides precise control and process monitoring, in which the temperature in different area and the pressure in head of machine can be controlled automatically by the computer

    本系統要提供和過程監視。它有自動控喂料電機、主電機轉速,調節溫度的功能。
  15. At the same time, we mainly design the hardware and the software of the two control systems. the high quality singlechip of at89c2051 and at89c51 are used as the main microprocessor of the control system. using digital method achieved the speed adjustment and the close - loop speed control which ensure the accuracy of speed adjustment and the speed stability at a def inite speed range

    同時就兩套無刷直流電動機控器的硬體電路和軟體程序問題進行了重點工程設計,採用了高性能的at89c2051和at89c51單片機作為微處理器,用數字軟體技術對電機進行調速和轉速閉環控,使電機在一定范圍內能夠進行調速和速度穩定控
  16. That produced many problems as follows : difficult to balance the working condition of the individual compressor ; difficult to realize the accurate control to the temperature of cold shed ; easy to hurt the life of the compressor when the environment temperature is generously changed which will trigger the frequency start of the compressor

    由此造成許多顯而易見的問題:難于調整平衡製冷並聯機組中各製冷機組的協同工作狀態;不易對冷庫溫度進行;環境溫度發生較大改變時,容易引起壓縮機的頻繁啟動,對壓縮的機壽命造成極大損害。
  17. Accurate control of compression through close tolerances of gasket groove and allowance for radial expansion

    通過密封環槽的密公差和徑向膨脹的修正來進行壓縮的調整控
  18. The real - time automatic gain control makes full use of the delay feature of signal channel, and controls the synchronization of adc precisely, and adjusts the signal gain in real - time, and compensates the error in digital domain, at last, this kind of technology expands the dynamic range of system adc

    採用的實時自動增益控電路利用信號通路的延遲特性,模數轉換器同步,實時調整信號增益,在數字域補償誤差,擴展系統動態范圍。
  19. Through the developed mutual - feed test bed, it is proven that the control program features accurate speed regulation and is capable of load simulation at different locomotive working modes, which reaches the requirement of high power test system

    最後通過研製的互饋試驗臺證明該控方案可以調速,同時能夠模擬機車各種工況下的負載,滿足大功率試驗系統的要求。
  20. The project based on the present level of technology to control exhaust of car, and the shortage application for cool egr in our country, aimed to research a kind of cool egr system which could adjust egr temperature automatically according to different working conditions of internal combustion engine. so the intelligent cool egr would be realized to decrease nox from car, which can satisfy the roul of low emission in our country

    本課題基於我國當前汽車排放技術相對落後的現狀,針對我國現階段汽車發動機冷卻廢氣再循環( egr )應用較少的問題,研製開發出一種能根據發動機不同工況調節egr冷卻溫度的外部冷卻egr系統,以實現冷卻egr的智能控,減少汽車尾氣中nox的含量,滿足國家的排放法規,減少汽車尾對環境的污染。
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