高壓振蕩器 的英文怎麼說
中文拼音 [gāoyāzhèndàngqì]
高壓振蕩器
英文
power oscillator- 高 : Ⅰ形容詞1 (從下向上距離大; 離地面遠) tall; high 2 (在一般標準或平均程度之上; 等級在上的) above...
- 壓 : 壓構詞成分。
- 振 : 動詞1. (搖動; 揮動) shake; flap; wield 2. (奮起) brace up; rise with force and spirit
- 蕩 : Ⅰ動詞1 (搖動; 擺動) swing; sway; wave 2 (無事走來走去; 閑逛) loaf; wander; roam; loiter; go a...
- 器 : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
- 高壓 : 1 (殘酷迫害; 極度壓制) high handed 2 [氣象學] (高氣壓) high pressure3 (高電壓) high tension...
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The designs of the pfd, digital filter ocxo and fractional - n counter in the frequency synthesizer unit are discussed, based on the pll theory. in order to improve the precision of pll, some design methods of pfd are given, and its feasibility is validated by the fpga hardware implement
2 .在鎖相理論指導下,第三章討論了頻率合成器設計中的鑒頻鑒相器、數字濾波器、恆溫壓控振蕩器和分頻電路設計。為了進一步提高頻率合成的精度,文中給出了提高鑒頻鑒相器性能的一些設計思想,結合fpga的硬體設計驗證了其可行性。The system parameters are developed at the same time, and some universal conclusions on the theoretical analysis of pll are reached. then, we have carried on analysis and research to the theory of differential delay ring voltage controlled oscillator ( vco ). on this basis, a improved differential delay ring vco with more efficient loads is described. this circuit has been designed and implemented in 0. 35 m cmos technology
本文還對差分延遲結構環形壓控振蕩器電路進行了深入的分析與研究,並提出了一種基於高質量電阻電路的主從差分延遲結構環形壓控振蕩器,其採用了一種新型的主從差分延遲結構,並用一個更有效、更穩定的負載電阻電路結構來替代vco設計常使用的單個mos管電阻結構,使其系統穩定性有了相應提高。General technical specification of test instruments used for power equipments part 5 : oscillating wave high voltage generator
電力設備專用測試儀器通用技術條件.第5部分:振蕩波高壓發生器Unified power flow controller ( upfc ) is one of the most powerful and most promising controllers of facts. if we use upfc to control the transmission parameters, terminal voltage, line impedance and phase angle in normal situation and use it to compensate zero sequence and negative sequence currents when one of transmission lines is cut off, we can implement two phases operating in high voltage transmission lines, which can improve stability and reliability for the transmission system
統一潮流控制器( upfc )是功能最強、最具發展潛力的靈活交流輸電系統( facts )控制器之一,如果在常規條件下,用upfc實現輸電線路的電壓調節、移相、潮流控制、阻尼振蕩等功能,在發生單相永久性接地或單相斷路故障時,由傳統的三相跳閘改為單相跳閘,用upfc的並補來濾除兩端系統的零序和負序電流,用upfc的串補來提高輸電線的傳輸功率,以實現兩相長期運行,那麼輸電系統的穩定性、可靠性將大大提高。Experimental results validated that this high performance arc igniting device developed provides with fast response and stable high frequency output voltage
試驗表明該開關式高頻振蕩引弧器控制系統具有頻響快、輸出高頻高壓穩定的特點,是一種性能較好的開關式高頻振蕩引弧器。The cbb90 capacitors are used for hight - frequency electricity circuit, having charcteristic of samll dimension, low disipation factor under hight - frequency condition, fine self - healing character, withstanding hight - voltage and powerful electricity. the case is used in flame retardant hith - quality engineering plastic, filled with epoxy resin
Cbb90型電容器主要用於電磁爐振蕩電路,適用於高頻電路中,具有耐高壓及耐大流的優良特性同時具有體積小、優良的自愈性能、安全性能高、高頻下低損耗等特點,外殼採用優質的工程塑料,用環氧樹脂灌封。Recent years, the using of piezoelectric sensors becomes a focus in novel biosensors research. the basic principle is that the characters of its oscillation are highly responded with the changes of the surface mass adsorption, or the physic characters in the reaction system including density, viscosity, conductivity and so on. a piezoelectric biosensor with a nanogram sensitivity could be constructed through a reasonable biological processing and structure designing to the piezoelectric quartz crystal
近年來,壓電傳感器檢測技術逐漸成為生物分析中的研究熱點,其基本原理是利用石英晶體振蕩特性對石英晶體表面質量負載(質量效應)和反應體系物理性狀如密度、粘度、電導率(非質量效應)等的改變具有高度敏感的特性,通過對石英晶體進行適當的生物學處理和結構設計,構建出具有具有ng級檢測能力的生物傳感器。These chip inductors provide maximum protection features for solder reflow, welding and come with precise formed caps of high temperature acrylic for perfect co - centering and vacuum pickup. they have excellent solderability and are able to withstand pull - up force, mechanical shock and pressure. available in sizes of 0402, 0603, 0805, 1008, 1206, 1210, our chip inductors have wide inductance range for virtually all broadband and rf applications
臺達電子提供全系列之被動元件,包括0402 0603 0805 1008 1206與1210系列,可應用於行動電話基地臺寬頻通訊無線電話個人數位助理pda呼叫器搖控器電視機上盒數據機電壓控制振蕩器與高頻模組等。The main purpose of this thesis is to improve the 3mm vcos frequency stability that work in harmonic to obtain the more strict demands of new electronic equipments
本文主要任務是改善原有3mm壓控諧波振蕩器的頻率溫度穩定度,使其滿足系統對3mm振蕩源越來越高的要求。And designed a program used by this method to design a filter. the result complies with the analytic result. at the end of this paper, according to the project of airline broadcast, the author designd filter with high rectangular factor, five channelizing filter banks, saw programmable correlator implemented with multiplayer muti - chip technology, saw resonator
本文的最後,結合某航空直擴數傳電臺的工程要求,設計了高矩形系數的前置濾波器、聲表面波濾波器組、採用多晶元組裝厚膜工藝技術的聲表面波可編程相關器和聲表面波壓控振蕩器,完成了解調解擴單元的硬體設計。Deh oil system adopts high pressure dynamic phosphoric acid grease anti - ignite oil, performance is stable, the time constant of oil - driving machine and the inertia power are less
Deh的油系統採用高壓動力磷酸脂抗燃油,性能穩定。油系統設有蓄能器,可吸收油壓振蕩。The main ideas of the thesis and the contributions to the resonant dc - link area are also listed in this chapter. a novel control strategy for the two - amplitude actively clamped resonant dc - link is proposed in chapter ii. it neglects the bus short circuit time adjuster and stabilizes the clamping voltage by a pi regulator so that the obtained link frequency is improved and the link losses are greatly reduced
第二章針對雙幅控制技術在單相橋式電壓源逆變器中的應用為範例進行研究,提出了直流母線無短路控制和通過pi調節環穩定箝位電壓的雙幅諧振控制策略,進一步提高了母線振蕩頻率,減少了直流環節損耗。At present the manufacture of surface acoustic wave use the technology of the final submicron. a series of the devices of low insertion loss, high q saw rayleigh surface acoustic wave resonators or stws that insertion loss has less than 5db, load quality factor ( ql ) is more than 1000 on the quartz piezoelectric with zero of first temperature factor in the research. these difference frequencies are 60mhz, 280mhz, 739mhz and 1ghz of normal frequency and at also surface acoustic wave. using 1. 25db noise factor amplifier, careful design curcuit, good setting printed curcuit board, and using the 1ghz surface transverse wave resonator as frequency element, researching the low phase noise surface acoustic wave with sideband phase noise near ? 120dbc / hz deviating 1khz on carrier, spurious suppress with 80db
本研究採用一階溫度系數為零的壓電石英基片上製作出損耗小於5db 、有載品值因素( ql值)超過1000的一系列低損耗、高q值聲表面波rayleigh波或stw諧振器,頻率分別為60mhz 、 280mhz 、 739mhz和1ghz等不同頻率的高性能聲表面波諧振器。並採用噪聲系數為1 . 25db的低噪聲系數放大器,精心設計電路,優化設計布置印製電路板,用標稱頻率為1ghz的聲表面波諧振器為頻率控制元件,製作出在偏離載頻1khz處的單邊帶相位噪聲近- 120dbc / hz 、雜波抑制達80db以上的低相位噪聲聲表面波振蕩器。So they can be used for spectroscopy, coherent communication and quantum optical studies. they also can produce various kinds of nonclassical states of light generation of squeezed vacuum below threshold, of strongly intensity - correlated twin beam above threshold and quadrature squeezing of the pump wave above threshold
同時,連續光學參量振蕩器也是一種產生非經典光場的理想裝置:低於閾值運轉可以產生正交位相壓縮真空態,高於閾值運轉可以產生強度關聯的孿生光子對以及反射泵浦光的正交分量壓縮。The driver adopted the technique of automatic power changing between high and low voltage and the driving mode of constant current cutting wave, so that the low - frequency vibration of the stepping motor was reduced and the high - frequency torque was increased
該驅動器採用高、低壓電源自動切換供電技術和恆流斬波驅動方式,降低了步進電動機的低頻振蕩,提高了步進電動機的高頻力矩。A novel strategy combined the fuzzy logic of linear multivariable feedback control to design a controller of statcom to meet the multi - objective demands of power systems is also proposed in this dissertation, and the controller is designed with this strategy, because of variational element, nonlinearity and multi - objective controlling demands of statcom, this paper designs the controller respectively aimed at continuous linear control for voltage maintaining, oscillation damping, improving the transient stability
根據電力系統變參數、非線性以及對控制要求多目標的特點,本文針對維持系統節點電壓、阻尼系統振蕩、提高系統暫態穩定性能等不同控制目標分別設計了控制器,然後將模糊邏輯和多狀態線性反饋相結合,提出了一種能滿足電力系統多目標要求的控制方法,並用該控制方法為statcom設計了控制器。But its performance is as same as common pll at a 5v voltage. so the pll performance is better than other plls at a 5v voltage, especially in power consumption and frequency. finally, the improved pll circuit used in the frequency synthesizer is composed of the improved vco, phase / frequency detector and charge pump. hspice simulation results show that the pll performance is better than other plls implemented by other vco in the same cmos technology
綜合以上的研究與設計,本文用所改進的壓控振蕩器、無死區鑒相器及電荷泵電路組成了用於頻率合成的鎖相環電路,並對此電路進行整體設計及模擬,結果表明其在鎖定時間、頻率范圍、輸出相位抖動及功耗方面具有較好的性能,且對提高鎖相環頻率合成器的整體性能有一定的作用。Experimental data indicate control system can correct completion the rise or fall of voltage transformer and the throw or cut of capacitor - group, prevent equipments from frequently regulated and shakes, raise the lifespan of the equipments
實驗數據表明,將模糊控制引入電壓無功綜合控制中,控制系統能夠正確的完成對有載調壓變壓器分接頭的升降和電容器組的投切,並可以避免設備頻繁調節和振蕩,提高設備運行壽命。Design and simulation of a 2. 4 ghz mems - based voltage controlled oscillator
基於微機電系統的高頻壓控振蕩器設計與模擬To highten the output frequency, a lc voltage controlled oscillator that calls crapoor circuit is adopted. its output frequency reaches about ighz
在提高輸出頻率方面,採用克拉潑電路形式的lc壓控振蕩器,輸出頻率達到1ghz左右。分享友人