有源調制器 的英文怎麼說

中文拼音 [yǒuyuándiàozhì]
有源調制器 英文
active modulator
  • : 有副詞[書面語] (表示整數之外再加零數): 30 有 5 thirty-five; 10 有 5年 fifteen years
  • : 名詞1. (水流起頭的地方) source (of a river); fountainhead 2. (來源) source; cause 3. (姓氏) a surname
  • 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...
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  • 有源 : [電學] active有源電路 active circuit; 有源器件 active device; 有源天線 active antenna; 有源衛星 active satellite
  1. Secondly, according to the character of this kind of harmonic, the solutions of power filter are deeply analyzed and an optimized topology for series connected hybrid power filter is obtained. by pwm technique, midfrequency transformer and the principle of the magnetomotive force ( mmf ) compensation, the problem to the transfer of the low - frequency harmonic power compensatory signal in the series apf is solved, in technique

    其次,針對acem系統特的「電諧波」特性,深入分析了濾波方案,得到了一種適用於acem系統諧波抑的串聯混合型電力濾波優化拓撲結構,並採用了pwm調技術、中頻注入變壓和磁勢補償原理效地解決了串聯apf中低頻諧波功率補償信號傳輸的難題。
  2. The company main product includes : the vacuum electron gun, opticsmembrane level thickness measuring instrument, the electron gunscanning control meter, the high efficiency crystal thyratron pressureregulator, the precise optics with the power source, the electricitycontrol the cabinet, the data acquisition module and so on

    公司主要產品:真空電子槍、光學膜層厚度測量儀、電子槍掃描控儀、大功率晶閘管調、精密光學用電、電氣控櫃、數據採集模塊等。
  3. For a class of series - wound active power line conditioner the design approach law of a new fuzzy integral sliding mode variable structure control is presented. this method adjusts power electronic switch in order to achieve anticipated balance volt, finally makes active power line conditioner not only possess good robustness of variable - structure control and decrease vibration to the most but also increase the steady state precision. series - wound aplc adopted this control method possesses good dynamic and steady state performance

    針對串聯型電網調運用變結構控策略,調節電力電子開關模式,以獲得預期的平衡電壓,對串聯型電網調提出了模糊積分變結構控方法,使串聯型電網調既保持了常規滑模控強魯棒性的優點,又減弱了滑模控的抖振,提高了系統的穩態精度,使系統具良好的動態和靜態性能,模擬試驗表明該控策略是一種十分效的控方法。
  4. The author has finished the following several jobs in core of the centre : 1 ) the active compensation method based on bang - bang control was put forward to realize the wide range current transformer. the method converts the complex statement space to i / o description by the two - stage current transformer. with the compensation method, the accuracy of 0. 2 grade current transformer can be improved to less than the 0. 1 grade standard at 100 % rating when the primary side current is changed from 2 % to 120 % of the rating

    圍繞這一工作核心,作者完成了以下幾項工作: ( 1 )以實現寬量程電流互感為目標,提出了基於bang - bang控補償方法,採用雙級電流互感,將復雜的狀態控分量轉化為偏差控,該方法結構簡單,調試方便,補償輸出電流小,可以將0 . 2級的電流互感經過補償后提高到一次電流從額定值的2變化到120時,測量誤差不超過一次電流額定值100時準確度為0 . 1級的測量標準。
  5. In the proposed method, the controller takes the buffer length as congestion indication, takes sources quality and bandwidth utility as object function so as to learn on line. as the controller outputs, the coding rate for input traffic sources and the corresponding user percentage are used to adjust the cells " arrival rate to the multiplexer buffer. compared with the previous method where cells " arrival rate is tuned only by the encoding rate and the encoding rates for all input traffic sources are regulated in a body, the proposed method guarantee that the quality of cells are optimal while cell loss rate is minimized, which means quality of service is guaranteed

    在該方法中,擁塞控以緩沖區大小信元作為擁塞指示,以信質量和帶寬利用率作為目標函數進行在線學習,控輸出包括信編碼率及其對應的用戶數在全部用戶中所佔的百分比,即根據信編碼率及對應的用戶百分數調整信輸入流,從而克服了以往擁塞控方法中僅僅調整編碼率帶來的對所進行整體調整的缺陷,使控系統在信元損失率最小情況下確保信輸入流質量最高,從而效地利用了網路帶寬。
  6. Skj ( jjw ) series of ac purifying regulated power supply, incorporating functions of regulation and auti - inter ference, designed and muters, xerox, video equipments, medical instrmments and other electr onicinstrmmerts and autocontrol systems for is wide vange of regulating, high precicion, quickacting, high effciency, small itcan restrain restrain sharp voltageand protect from moise of electric power net

    系列進精密凈化電是當今國際上普遍採用的現代電調節技術,配以大容量濾波與集成化控系統構成;它具如下特點:可靠性好、效率高、優良的動(瞬)態,體積小、重量輕、噪音低、負載適應能力強;適用於對電要求較高的儀或設備。
  7. Water dielectric pulse power modulator has been widely applied because of its merits of high energy storage density, compactness, and capability to drive low impedance high power microwave sources. research for multi - pulse operation of high power spark gap switch with high current and comprehending its physical properties are the basis to study multi - pulse operation or repetitive operation of water dielectric pulse power modulator

    水介質脈沖功率調儲能密度高,結構緊湊、與低阻抗微波較好匹配的特點,因此得到廣泛的應用,但是受到高功率、大電流氣體開關的絕緣恢復的影響,水介質等低阻抗脈沖功率調的重復頻率運行或多脈沖運行受到較大的限
  8. By regulating the compensation current injecting into the compensation winding of the reactor, the reactor inductance at different harmonic frequencies can be independently and continuously adjusted

    電抗由一對耦合繞組和一個補償電流發生組成,通過控電抗補償繞組中的諧波磁通補償電流,可以獨立且連續地調節電抗在不同諧波頻率下的電感量。
  9. The simulation result shows that, the cmrr of current - mode instrumentation amplifier be able to reach 97db, and the psrr to 85db

    儀表放大的模擬結果表明,在沒激光調阻技術支持下,本文設計的電流模儀表放大的共模抑比能夠達到97db ,電比能夠達到85db 。
  10. The methods that can efficiently suppress the disturbance on gate of switching component of the inverter - bridge are synthesized. a dual - inductor output filter is employed to improve electromagnetic interference ( emi ), due to turn - on or turn - off of the power switches of the inverter, which may be lead loads into trouble

    本文詳細論述了1kva25hz新型鐵路信號電和2kva高頻在線式ups的設計和調試工作,總結了幾種能夠效抑逆變橋功率開關管門極干擾的措施,並且運用一種雙電感結構的輸出濾波來改善由逆變功率管在開關過程中產生的、影響負載設備正常工作的電磁干擾。
  11. In integrated optics, these components include light sources, modulators and detectors.

    集成光學中,件包括光調和探測
  12. To make full use of the karst formation in guizhou province of china, a large spherical radio telescope array of the arecibo telescope was proposed in china in 1995. therefore, a completely new design project that integrating mechatronics and optics technologies with several large span cables is proposed to drive the feed - supporting system to realize the high precision positioning. for the high requirement of trajectory tracking of the feed - supporting system with large span cables, the feasibility of stewart platform served as a fine - tuning platform and the accomplishment of the high precision tracking are considered in details in this paper

    本文依託新一代大射電望遠機電光一體化創新設計方案,針對饋指向跟蹤系統高精度軌跡跟蹤要求,以精調stewart平臺為研究對象,進行了6自曲度並聯機人的運動學優化設計、動力學分析與奇異性分析,設計了強魯棒性自抗擾控實現高精度軌跡跟蹤控;提出了新一代大射電望遠鏡饋指向跟蹤系統軌跡跟蹤獨立控策略、軌跡規劃策略和控模型; 50米縮比模型實驗驗證了軌跡跟蹤控策略與方法的工程效姓和可行性。
  13. The main circuit is consisted of 18 thyristors circuit and protection circuit. with the help of control subsystem, it can get the output of low frequency voltage ( current ) with the shape of sine wave ; the core of the control subsystem is the cpu of 87c196kc, and the synchronization circuit, the pulse - widen circuit, and the power - enlarged circuit form the accessorial subsystem of the control system. it possesses all the functions of digital triggering, digital tuning, analog / digital conversion ; the input transfer can isolate the input and output ; and the circumfluence reactor can reduce the circumfluence

    主迴路採用由18個晶閘管組成的三相零式電路,並輔以晶閘管的保護電路,通過控可以得到低頻正弦波的電壓(電流)輸出;控迴路主要以87c196kccpu為核心,其外圍電路包括同步電路,脈沖拓寬電路,功率放大驅動電路等,完成了數字觸發、數字調節、模數轉換等功能;進線電變壓變壓和隔離作用;環流電抗則實現了效抑主迴路瞬時脈動環流的功能。
  14. Then the paper analyzes control system of hybrid active power filter, the way of harmonic detecting and the principle of control system, digital low pass filter and the generation of pwm, on the base of which the paper designs a new parallel hybrid active power filter which is controlled by tms320lf2407, and detailedly introduces drive circuit of pwm, sampling circuit of current, voltage adjustment and protection circuit, communication circuit, liquid crystal display circuit

    分析了混合型濾波的控系統、諧波檢測方法及控原理、數字低通濾波和pwm信號的產生,在此基礎上設計了一種基於tms320lf2407為控核心的並聯混合型電力濾波硬體原理圖。並對pwm驅動電路、電流采樣電路、電壓調整、按鍵輸入和保護電路、通信模塊、液晶顯示模塊進行了較詳細的分析說明。
  15. With the existing condition, the bar waveguide on the lithium niobate wafer with liquid phase proton - exchanged method has been fabricated and the benzoic acid is used as the proton source. a series of research on the domain inversion in lithium niobate crystal with proton - exchanged method have been done. and then the operation and the process of domain inversion in lithium niobate crystal with proton - exchanged method has been used

    實驗方面,利用實驗室現條件,在鈮酸鋰晶片上以苯甲酸為質子,用液相質子交換法製作了條形波導;對用質子交換法實現鈮酸鋰晶體疇反轉進行了一系列實驗研究,在此基礎上提出了質子交換法實現鈮酸鋰晶體疇反轉的工藝過程,實現了疇反轉並腐蝕得到了v型槽;設計製作了帶尾纖的電光相位調,最後進行封裝。
  16. For a class of shunt - wound active power line conditioner, based on analysis of mathematical model of system and target of control, the algorithm of fuzzy variable structure sliding mode control is presented. the control algorithm can avoid complicated calculation of harmonic electric current in traditional control algorithm, and realize the feedback control of electric current. the algorithm is simple and easily implemented

    針對一類並聯型電網調在分析系統數學模型和控目標的基礎浙江大學博士學位論文上,提出了模糊滑模控策略,避免了傳統控方法中復雜的諧波電流計算,實現對電電流的閉環控,該演算法簡單、易於實現,模擬結果證實了變結構滑模控效性。
  17. Laser diode ( ld ) has the advantages of small volume, light weight, longevity of service, high electro - optic convert efficiency and direct modulate etc. now it is more widely used in the fields of information, energy, therapeutic, material, entrainment and so on

    半導體激光(以下簡稱ld )具體積小、重量輕、壽命長、電光轉換效率高、可直接調等優點,目前在信息、能、醫療、材料、娛樂等諸多領域都得到了越來越廣泛的應用,材料和件的水平也了長足的進展。
  18. Of course, the next big step for chinese space astronomy would be to deploy a satellite dedicated only for astronomical research. there are currently a few projects in the planning stage, including a hard x - ray all - sky survey satellite the hard x - ray modulation telescope mission, and a " microsatellite " weight less than 100 kg mission to study long - term variability of stars and galaxies space - based multi - band variable objects monitor

    當然,下一步首先應是發射專門用作天文研究的衛星,目前幾個計劃正處于策劃階段,包括建造一枚作硬x射線巡天觀測的衛星硬x射線調望遠鏡, hxmt和一枚微型衛星重量不逾100公斤,來研究恆星和星系的長期變化空間變監視, svom 。
  19. To achieve the mitigation of multiple harmonics with a single lc series branch, a novel auto - tuning filter based on the nonlinear frequency characteristic of inductance of an active reactor is presented, where the active reactor consists of a pair of coupled windings and a generator of harmonic magnetic flux compensation current

    摘要提出了一種基於電抗的新型自動調諧濾波,利用電感的非線性頻率特性,實現了單條lc串聯支路抑多次諧波的目標。
  20. In this dissertation, a boa - type waveguide optic switch with double - heterostructure gaas / gaalas has been researched. gaas - based integrated optical devices have good temperature, good anti - radiation and optical - transmission characteristics, and also have wide transparent range of wavelength. they can also be integrated on a chip with optical active devices and electronic devices, such as semiconductor laser, optical modulation, optical amplifier, pin, and so on

    基於gaas材料的集成光學件不僅具良好的光傳輸特性、溫度特性、抗輻射能力和其較寬的透明波長范圍,還望進一步實現晶元與光、光調、光探測和半導體光放大等其它光電件以及集成電路的單片集成;採用gaas gaalas雙異質結材料製作的光開關可以得到較低的開關電壓,而且採用gaas gaalas異質結材料的光傳輸損耗很小。
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