校對電路 的英文怎麼說
中文拼音 [jiàoduìdiànlù]
校對電路
英文
collating circuit- 校 : 校名詞1. (學校) school 2. (校官) field officer3. (姓氏) a surname
- 對 : Ⅰ動詞1 (回答) answer; reply 2 (對待; 對付) treat; cope with; counter 3 (朝; 向; 面對) be tr...
- 電 : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
- 路 : 1 (道路) road; way; path 2 (路程) journey; distance 3 (途徑; 門路) way; means 4 (條理) se...
- 校對 : 1 (核對) proofread; proof; revision; check; collate2 (校對人) proofreader3 (核對是否符合標準...
- 電路 : [訊] circuit (ckt); electric circuit; electrocircuit電路板 circuit board; 電路保持 guard of a c...
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Maintaining a caesium beam clock as the hong kong time standard and providing time signals for radio broadcasts, automatic telephone answering service and synchronisation of clocks via internet
操控銫原子鐘作為香港的時間標準,以及透過各電臺自動答覆電話查詢服務及網際網路校對時鐘服務提供報時訊號Maintaining a caesium beam clock as the hong kong time standard and providing time signals for radio broadcasts, automatic telephone answering service and synchronization of clocks via internet
操控銫原子鐘作為香港的時間標準,以及透過各電臺、自動答覆電話查詢服務及網際網路校對時鐘服務提供報時訊號;These findings are “ a very important result in resolving one of the most difficult problems related to carbon nanotube manufacture for integrated circuits, ” says kang wang, director of the center on functional engineered nano architectonics at the university of california, los angeles
美國加州大學洛杉磯分校功能性改造奈米結構體系專研中心主任王康隆表示,這些發現對解決在積體電路中製造奈米碳管的難題來說,是非常重要的結果。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,然後確定了以二元調寬脈沖再平衡測試迴路為設計方案,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、交流放大、相敏解調、脈寬調制、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,驗證了電路的正確性,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。And at this foundation through the dispersed domine analyse the paper makes a great emphasis on the application of computer aided design and simulation, then designs a series of apfc design and simulation software. this paper takes out a set of designation and simulation on base of actual circuit. the reliable result, output voltage and inductance current which are got from this software are the same as the actual value
本文在對一系列apfc電路設計、模擬分析方法討論比較的基礎上,著重應用離散時域法進行了計算機輔助電路設計和模擬方法的應用探索,以此為基礎設計了pfcexpert功率因數校正電路設計、模擬軟體,針對實際電路給出了整個設計和模擬全過程,通過實驗驗證了該軟體所得到的精確穩態解、瞬態輸出電壓和電感電流,與實際電路輸出基本相同,所建立的電路模型重現了電路的運行過程,反映了電路的實際工作機理。In order to enhance the precision, this design proposes that temperature - measuring circuit of platinum resistors and software should be employed to carry on adjustment of measured precision ; it also proposes that the interference of the grid can be reduced by the voltage front feed ; and meanwhile it calls for the application of the photoelectric insulation, the over heating protection and alarm so as to enhance the security performance of the system
為了提高精度,本設計還採用了鉑電阻溫度測量電路,並利用軟體對測量精度進行自校準;通過電壓前饋控制減少電網干擾。此外,設計中還加入了光電隔離措施及過熱自動保護和報警功能,以增強系統的安全性能。The results of experiment verified the simulation of pspice software. in chapter five, the technology requirements of vibration calibration system are introduced, and thus the optical and electric design are realized. the laser - vibration - measuring - system is tested and the results are analyzed
第五章介紹了振動校準系統對測振儀的技術要求,實現了相關光路和電路的設計;對系統進行測試,並對實測結果進行分析;最後對系統的誤差進行了分析。With an aim at this problem, this paper suggests the modulation scheme with dc bus voltage ripple by using the front - end active power factor correct circuit based on the analysis of necessary conditions of producing acoustic resonances
針對這一現象,在分析產生聲諧振的必要條件的基礎上,重點提出了利用前級有源功率因數校正電路的直流母線脈動電壓的調制方案。Thus this thesis presents a method to estimate length and positive parameters of transmission line, and a method to estimate length, positive parameters and zero parameters of line at one time
由此,本文提出了一種利用故障前的電氣量來校正線路正序參數和長度的方法,以及一種利用區內出現的缺相運行情況對線路正序、零序參數和長度同時進行校正的方法。A resolution method in software is applied to calibrate zero point and full scale of the circuit. software approach to nonlinear correction for sensor and circuit is presented. therefore system error is eliminated, and measurement accuracy of temperature is improved. the signal of acidity electrode is detected by a differential amplifier circuit, which consists of operational amplifiers tlc2254 with high input impedance and low drift
採用橋路和單運放差動放大電路對溫度傳感器信號檢測放大,軟體校正溫度傳感器和測量電路的非線性,軟體校準測量電路的零點和滿度,消除測量電路的系統誤差,提高補償溫度的測量精度;採用高阻、低漂移運放tlc2254組成高阻差動放大電路用於酸度電極信號測量。With promulgation and obliging actualization of iec 1000 - 3 - 2 etc. international standards, power factor correction ( pfc ) technique become a hotspot of research in power electronics field. based on average current mode, the paper introduce the design and implementation of a fully digital controlled single - phase boost power factor corrector with fast response. the control - loop circuit is realized using digital control and the corrector can tend to unity power factor, lower current harmonics and high transfer efficiency
本文在平均電流模式控制的有源功率因數校正技術的基礎上,設計了一種控制電路基於數字信號處理器( dsp ) 、主電路採用boost變換器拓撲結構的全數字單相功率因數校正器,用數字電路代替傳統的模擬電路來實現對整個迴路的控制,最終使得校正器具有輸入功率因數接近於1 、低電流諧波以及高轉換效率的特性。Based on the theory of charge calibration and sample and reconstruction of frequency limited signal, the scheme of adopting direct digital synthesizing technology and technology of computer is put forward in the paper. the design of hardware and software is described in detail, the error of the outputs signals of the high precision charge calibrator has been analyzed in theory
文中基於電荷校準的原理及帶限信號的抽樣與重構理論,提出了採用直接數字合成技術與計算機技術的整體設計方案,詳細講述了硬體電路與系統軟體的設計過程,並對高精度電荷校準儀輸出信號的誤差進行了理論分析。Then, the optical system and mechnical configuration of the interferometer are realized, which are based on phase detection algorithms and four - step algorithm. in the following work, we designed and realized a dc high voltage amplification circuit by mcu, which is used to driver pzt, and presented a new method to measure the nonlinearity of pzt
設計並完成了精密移相的單片機控制用於壓電晶體驅動的高壓放大電路,並且提出了一種新穎的對工作狀態下壓電晶體非線性軟體校正的新方法,並得到了很好的實驗結果。6. since the monitor precision of quasi - dynamic calibration system is very important, the model of the four channel electric pressure - measuring system in frequency domain is built up. the cause of variance is analyzed. the error function of the system is defined and the formula of correcting the system error is derived
6由於落錘液壓動標裝置校準系統的校準壓力監測精度極為重要,本文對四路電測壓力系統進行頻域建模,分析了產生不一致的原因,定義了系統的誤差函數及推導了統一誤差模型的修正公式。Before more advanced lithography tool is produced, in order to use current tools to manufacture vdsm ic, reticle correction methods such as perturbing the shape ( via optical proximity correction ( opc ) ) or the phase ( via phase - shifting masks ( psm ) ) of transmitting aperture in the reticle are proposed by the industry
在波長更小的光刻系統出現前,為了能利用現有設備解決集成電路的可製造性問題,工業界提出了對掩模作預失真(光學鄰近校正)和在掩模上加相位轉移模(移相掩模)等的掩模校正方法。To reappear stochastic waveform on esvrst in time field, the minimum variance implicit self - tuning regulators of siso and mimo systems are deduced based on carma models in this paper. the robustness of the regulator being used to control esvrst is validated good
本文推導了在時域內對電液伺服道路模擬試驗臺進行隨機波形再現控制時,基於carma模型的,單輸入單輸出系統和多輸入多輸出系統的,隱式最小方差自校正調節器。Major : microelectronics and solid - state electronics topic : research of power factor correction technology for electronic ballast spic ( smart power integrated circuits ) master ? degree candidate : liu yi advisor : prof. chen xingbi in this paper, the research and development on spics are reviewed briefly, and also the power factor correction technology is discussed
本文首先簡要介紹了智能功率集成電路的研究和發展現狀,其次對功率因數校正技術進行了討論,採用cmos電路結構,著重分析有源功率因數校正( apfc )技術在電子鎮流器中的應用原理,並對電路部分進行了設計與模擬。The requirements are the following : ( 1 ) input voltage : 220 vac ; ( 2 ) output voltage : 48 vdc ; ( 3 ) output current : 20 adc ; ( 4 ) switching frequency : 80khz ; ( 5 ) operated frequency of apfc : 100khz the simulated software pspice 7. 1 realizes simulation research of the main circuit, and the simulated result of key waveforms in the main circuit is introduced
設計指標為:輸入電壓為交流220v ,頻率為50hz ,輸出電壓和電流為48v , 20a ,功率因數校正電路的工作頻率為100khz ,直流變換器電路的工作頻率為80khz 。利用模擬軟體pspice7 . 1對主電路進行了模擬研究,並介紹了主電路的幾個關鍵波形的模擬結果。A sort of spic ? pfc ( power factor corrector ) circuit also gradually become a major concern for research along with the concern of power harmonics pollution
智能功率集成電路中的功率校正電路也隨著人們對電源諧波污染的關注而逐漸成為一個重要的研究對象。The main job accomplished of this paper includes : according to the principle and the discussion of the single - phase active power correction, the pfc system, which adopts cuk power converter circuit and average current mode control scheme is indicated as the developing direction of pfc and regarded as the pfc system structure
全文圍繞設計cuk型平均電流控制的功率因數校正電路展開,主要完成了以下工作:論文在分析有源功率因數校正器基本工作原理的基礎上,通過比較幾種不同拓撲的pfc變換器主電路和控制電路的優缺點,明確了本文所要研究的對象?平均電流型控制的cuk型pfc變換器。分享友人