電動振蕩器 的英文怎麼說
中文拼音 [diàndòngzhèndàngqì]
電動振蕩器
英文
electric agitator- 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...
- 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
- 電動 : motor driven; power driven; power operated電動擺 motor pendulum; 電動扳手 electric wrench; 電動泵...
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In the sub block circuit design, the contents that the author had introduced include : the principle of band gap voltage reference and the design technique in low power supply ; the analysis of spike pulse noise rejection, frequency divider and dead time in oscillator and control circuit ; the selection of the width and length ratio of four switches and 2x / 1x mode change point in driver and mode selection circuits
在子電路設計中,作者比較深入分析的內容有:基準電路的原理及低電源電壓下基準電路的設計;振蕩器和控制電路中尖峰脈沖噪聲抑制、兩分頻電路及死區時間設定;驅動及模式選擇電路中開關管的寬長比的選擇及模式轉換點的設計。One is based on vco, and the other is based on frequency divider. the advantages and disadvantages of them are discussed in the thesis. furthermore, a method of realizing dead time changeable circuit is given, which makes the designed driving circuit have more latitude when it is used
此外,論文還設計了兩種驅動信號產生電路,一種基於vco ,另一種基於振蕩器和分頻器,並對比了兩者的優缺點;給出了一種死區時間可變的電路實現方案,使所設計的驅動電路使用時具有更大的靈活性。Motion controller composed of general chip series is developed and quadruple differential circuit utilizing dual monostable multivibrators with schmitt trigger inputs and dual 4 _ line to l _ line data selectors or multiplexers is put forward
本論文研製了一種用常規晶元系列組成的運動控制器,提出了採用單穩態多諧振蕩器和數據選擇器的四倍頻辨向電路。The damper is mounted on the free end of the rotor. the experiments done show that the oil whip can be good damped by the passive electromagnetic damper
在理論計算的基礎上還進行了實驗研究,在不停機的條件下,通過被動式電磁阻尼器成功地在線消除了系統的油膜振蕩。The over - current relay works to protect oscillation tubes and rectifier, when the current exceeds its limits. frequency deviation caused by faulty operation is also prevented
當電流超過限制值時,過負荷電流繼電器自動保護振蕩管和整流器,同時可以避免由不當操作所引起的頻率漂移。Oscillator generated a wave with frequency 132 khz as the clock signal
振蕩器電路產生一個頻率在132khz附近抖動的矩形波作為整個電路的時鐘信號。During the circuit design, the author analyzed the basic principle of the direct current motor, pwm control, h - bridge power driver, and two control techniques of h - bridge power drive circuit, designed its general structure, so the feasibility of the design is confirmed. then, reference, oscillator, power dmos gate drive circuit ( charge pump, bootstrap ), and dead time generation circuit are designed and analyzed in the sub - circuits. a current - controlled oscillator is presented in this thesis
在電路設計中,作者介紹了直流電機的工作原理和數學模型、脈寬調制( pwm )控制原理、 h橋電路基本原理和h橋功率驅動電路的兩種控制模式,設計了驅動電路的總體結構,給出了電路的功能模塊,確定了設計的可行性,然後在子電路模塊中,重點分析設計了基準源電路、振蕩器電路、高端功率管柵驅動電路(電荷泵及自舉電路) 、低端功率管柵驅動電路和死區時間產生電路。The thesis discussed a parameter extraction program for the mosfet level1 model. in the analysis and design of circuit, at first, the thesis described the system function of the new dc - dc switching converter. then several sub - circuits of converter ic such as oscillator, over - temperature shutdown circuit, auto - restart counter circuit and control circuit were completely discussed
在電路設計中,本文首先分析了開關電源電路的基本拓撲結構和psm調制模式,接著對開關電源變換器進行了系統的原理分析並設計了總體框圖,然後詳細設計了振蕩器電路,熱保護電路,自動重啟計數器電路和主控門邏輯等子電路並進行了功能模擬。There are five parts are as follows : in part one, the concept of switching function is introduced first to establish the nonlinear mathematical model of the induction motor variable frequency speed adjustment system which is fed by a sine pulse width modulated ( spwm ) inverter and takes the effect of the main magnetic circuit saturation into consideration, then the low frequency oscillation of the system is simulated according to the model. next, from the view point of energy conversion of the inverter - induction system, a criterion for the low frequency oscillation is proposed to determine whether the system is in low frequency oscillation which is judged by whether the interval of the negative current component of the inverter input current is more than 1 / fc ( fc is the carrier wave frequency of the inverter ) or not
首先引入開關函數概念,建立了正弦脈寬調制( spwm )逆變器供電異步電動機,考慮主磁路飽和時的變頻調速系統整體數學模型,模擬系統的低頻振蕩;其次從逆變器-異步電動機系統能量轉換角度出發,提出通過檢測逆變器輸入電流中負電流的間隔時間是否大於1 / f _ c ( f _ c為逆變器載波頻率)來判定系統是否出現低頻振蕩;最後的實驗結果驗證了系統低頻振蕩建模和判據的實用性和正確性。When feeding, electric hoist ( l101 ) can be used to hoist the bucket onto the generator hopper, calcium carbide bucket will feed the calcium carbide into hopper after nitrogen replacement, and then the calcium carbide will be automatically thrown into acetylene generator ( t101 ) by magnetic oscillator to generate acetylene after reaction with water
加料時,用電動葫蘆( l101 )將吊桶吊至發生器貯料鬥上,電石桶經氮氣置換后將電石加入貯料斗,然後用電磁振蕩器將電石自動投入乙炔發生器( t101 )中與水反應產生乙炔氣。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。And then, based on the above theories, the circuit design and simulation means have been concretely applied in the internal modules of voltage reference, bias circuit, oscillator, error amplifier and drive circuit of the chip and so on. the relevant design indexes are successfully achieved. at last, the whole circuit simulation and layout design are completed
在此理論基礎上對該電源晶元內部的各個模塊,如電壓基準源、偏置電路、振蕩器、誤差放大電路和驅動電路等模塊進行了具體的電路設計和分析模擬,且達到了相應地設計指標,最後,完成了整體電路模擬和版圖設計。Rc and other relaxation oscillators just will not do since amplitude noise in whatever circuit functions as a comparator will appear as phase noise on the output signal
Rc諧振器以及其它一些張弛振蕩器不能滿足要求,這是因為它們的核心是電壓比較器,需要利用電壓信號的波動(噪聲)來獲得穩定的輸出,這種波動就構成了時鐘的抖動。Based on the whole chip function requirements, sub - block design and simulation were completed, including bandgap voltage reference, oscillator, slope compensation, current sensing, control and drive logic
在子電路的設計上,作者主要介紹了帶隙基準電壓源、振蕩器、斜坡補償、電流感應、控制和驅動邏輯。Analog temperature compensation crystal oscillator ( atcxo ) is widely used in electronic equipments such as communications, navigation, radar, mobile telephone, program control telephone, measure instruments etc. as their reference frequency source, it is critical part of the above equipments, called as their “ heart ”
模擬溫度補償晶體振蕩器( atcxo )廣泛應用於通信、導航、雷達、移動通信、程式控制電話、測量儀器等電子設備中。作為基準頻率源,它是上述電子設備的關鍵部件,被稱為此類電子設備的「心臟」 。A typical calculator chip from rcl semiconductor inc, c9821, is referenced and developed. the chip of the calculator consists of several function units such as rc oscillator, power management module, microprogrammed control unit ( mcu ), register group, lcd driver and keyboard interface
在硬體方面,在完成計算器的功能模塊劃分的基礎上,對包括rc振蕩器、電源模塊、 lcd顯示驅動模塊、鍵盤介面、寄存器組、微程序控制器在內的各個功能模塊的系統結構和電路原理進行了分析,掌握了它們的設計方法。The voltage - controlled oscillator and the dual - modulus prescaler are the most crucial blocks in the pll frequency synthesizer. two kinds of voltage - controlled oscillator ( the quadrature voltage - controlled oscillator based on symmetrical spiral inductors and differential varactors, and the voltage - controlled oscillator with wide tuning range based on mos varactors ) and two kinds of prescaler ( the prescaler using phase - switching techniques, and the prescaler using dynamic circuit techniques ) are proposed. then, the complete pll frequency synthesizer is implemented, in which
壓控振蕩器和雙模預分頻器是鎖相環型頻率合成器中最關鍵的兩個模塊,本論文分別實現了兩種類型的壓控振蕩器(採用對稱螺旋型電感和差分二極體型容抗管的正交壓控振蕩器和使用mos型容抗管的大調諧范圍壓控振蕩器)和兩種類型的雙模預分頻器(使用相位開關技術的雙模預分頻器和使用動態電路技術的雙模預分頻器) 。The magnetically insulated transmission line oscillator ( milo ) is a coaxial crossed - field device. there exists great importance in the investigation either into the fundamental physics related to the beam - wave interaction or into the rule of electron movement in this device
磁絕緣線振蕩器( milo )是一種同軸正交場器件,深入研究其內部的電子運動規律和束波相互作用的物理機制具有重要意義。At present, there are various methods of moving vehicle detector and identification. the system we designed for traffic information makes use of the principle of electromagnetic induction and radio frequency identification the moving vehicle detector, which is based on inductive circular loop, detects the information of vehicle according to the inductive signal. the basic information including speed and go through time can be detected to analyze oscillator frequency
目前現行的車輛檢測與識別系統的種類繁多,本系統基於電磁感應理論和射頻識別技術,採用環形線圈作為數據採集傳感器,通過對振蕩器的頻率計數測量到車輛的通過、速度等基本信息,同時啟動射頻識別系統,使讀寫器與安裝在車輛上的非接觸ic卡進行無線通訊獲取通過車輛的類型和所屬用戶等數據,並將有關數據通過rs232串口送至上位機。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。分享友人