自偏電路 的英文怎麼說
中文拼音 [zìpiāndiànlù]
自偏電路
英文
self biasing circuit- 自 : Ⅰ代詞(自己) self; oneself; one s own Ⅱ副詞(自然;當然) certainly; of course; naturally; willin...
- 偏 : Ⅰ形容詞1 (不正; 歪斜) inclined to one side; slanting; leaning 2 (只側重一面) partial; prejudi...
- 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...
- 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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Auto bias circuit
自偏壓電路Abstract : a new clock - driven eco placement algorithm is presented for standard - cell layout design based on the table - lookup delay model. it considers useful clock skew information in the placement stage. it also modifies the positions of cells locally to make better preparation for the clock routing. experimental results show that with little influence to other circuit performance, the algorithm can improve permissible skew range distribution evidently
文摘:提出了一種新的時鐘性能驅動的增量式布局演算法,它針對目前工業界較為流行的標準單元布局,應用查找表模型來計算延遲.由於在布局階段較早地考慮到時鐘信息,可以通過調整單元位置,更有利於后續的有用偏差時鐘布線和偏差優化問題.來自於工業界的測試用例結果表明,該演算法可以有效地改善合理偏差范圍的分佈,而對電路的其它性能影響很小On the one hand, the design uses low voltage cascode op framework to improve its gain ; on the other hand, it applies self - bias and cascode structure to the whole sensing circuit. by using the improved method, we have successfully obtained low power consumption, low offset, high linear and high psrr ptat current generator under low power supply
在電路設計上一方面改進運放結構,採用低壓共源共柵結構以提高其增益,另一方面整體傳感電路採用自偏置結構和共源共柵電流鏡結構,在低電源電壓下成功設計了低功耗、低失調、高線性度和高電源電壓抑制比的ptat電流產生電路。The chip can be widely used in mp3 player, pda, digital camera, cells phone and portable products etc. this thesis first introduces the basic theory of switching power supply. the operating theory of this circuit has been demonstrated. the operating principle and simulation analysis about band gap reference, self - biased current source, one shot circuit, hysteresis comparator, and current - limit circuit have been particularly expounded in this thesis
本文首先闡述了開關電源的工作原理,詳細介紹了本電路的整體工作原理,最後重點介紹了自偏置電流源電路、基準源電路、單穩態觸發器電路、峰值電流限制及低電池電壓遲滯比較器的工作原理,並利用eda工具larker ? ams 、 hspice對電路進行了完整的設計和模擬模擬,給出了合理的電路數據,各子模塊電路的電特性參數均達到或優于設計所需指標。A novel self - bias high - voltage device structure for the start - up circuit of an off - line switching model power supply ic is described
摘要設計了一種新的用於離線式集成開關電源啟動電路的自偏置高壓器件結構。D finite element local analysis is done for hv porcelain post insulator by abaqus finite element software. the stress distribution of one - piece structure under dead weight, erection deviation, temperature change, wind load and short - circuited load is analyzed, which provides the scientific basis for security assessment of post insulator
以高壓瓷瓶支柱絕緣子為研究對象,採用abaqus有限元軟體進行三維有限元局部分析,分析了整體結構在自重、安裝偏差、溫度變化、風載以及短路電流載荷作用下的應力分佈,為支柱絕緣子的安全性評定提供了科學的依據。Incorporation of kone technology and its mms modular design, original kone full - computer intelligent control system, 32 - bit networking micro - computer control, professional group control for 8 elevators, absolute value memorization of cars displacement, all these configurations fully ensure our passenger elevators excellent performance and powerful function. elegant interior car decoration bringing comfortable riding can satisfy different occasion and individualistic customer demands. passenger elevators with geared machine perform well and reliably
引進通力技術,運用通力mms模塊化產品設計原裝進口全套通力全電腦智能型控制系統, 32位網路化微機控制8臺專家智能群控vvvf數字化變頻驅動轎廂位移絕對記憶,配置高端,性能卓越,功能強大能滿足不同場合和客戶不同偏好需要的轎廂裝潢與人機界面,精緻豪華,令乘坐舒適愜意傳統有電梯,經典可靠採用來自通力領先業界的永磁同步技術的小無機房電梯,節能環保,節省建築空間和造價。The main performances of the afm were in the advanced level around the world. the probe unit of the horizontal afm includes a photo - electronic detection unit with a particular optical - beam - deflection path, a regulating block of the setpoint of imaging force, the xy scanner and z feedback controller, the coarse adjusting and fine adjusting mechanism for the sample approaching to the probe tip. the powerful circuits of preamplifier, as well as the circuits of xy scanner and z feedback controller were developed
成功研製了臥式afm探頭,包括特有的微懸臂偏轉量的臥式光電檢測系統、 afm成像工作點(即原子力的預設置點)的調節機構、 jy }藝掃描與反饋控制器、樣品的粗調與微調機構;自行研製了高性能的psd前置放大電路、 xy掃描控制電路和z向pid反饋控制電路系統;設計了a / d & d / a控制介面,獨立開發了性能完善的afm掃描與控制軟體系統及功能強大的圖像處理軟體系統。The traditional bandgap reference circuit was improved in the design, which includes the applying of self - bias structure and cascode structure, output of the opamp was used as self - bias voltage, saving bias circuit, and then it was helpful to get low power consumption. through using poly resistance of high value with low temperature coefficient, we reduced the influnce to circuit, if power supply did not change, we must decrease operating current to decrease power consumption, and increasing value of resistor could decrease the operating current efficiently. poly resistance of high value had large value of squared resistor, so we could save layout area
對傳統帶隙基準電路進行了改進設計,採用自偏置結構和鏡像電流鏡結構,利用運放的輸出電壓作為運放的偏置電壓,節省了偏置電路,降低了功耗;使用低溫度系數的多晶硅高值電阻,降低了電阻溫漂對電路的影響;在電源電壓不變的情況下,為了減小功耗就必須減小工作電流,而增大電阻的阻值能有效地減小工作電流,多晶硅高值電阻的方塊電阻很大,可以節省版圖面積。Usually series mode is used in low frequency circuit while bypass mode is used in high frequency circuit, series mode micro - switch with cantilever structure is similar to an fet, when voltage is applied on gate, and the fet will be turned on between source and drain
有靜電電壓作用在梁和底面電極時,梁發生偏轉,在源極和漏極之間實現導通,常用於自控和通信系統的信號通路空氣橋旁路開關主要用於微波段信號的通路。According to the requirements to pd pattern auto - recognition, this paper studies systematically the basic theories and realizable methods for auto - recognition of pd gray intensity image : ( 1 ) in the requirement of on - line pd monitoring for transformer, several discharge models are designed and the relevant experiment methods projected. with discharge model tests, a lot of discharge sample data is acquired. on the base of systematical research on recognition for pd gray intensity image, this paper puts forward two kinds of fractal features, the 2nd generalized dimensions of original pd images and fractal dimensions of high gray intensity pd images, and then the relevant extraction methods
針對局部放電模式自動識別的需要,作者系統地研究了局部放電灰度圖像自動識別中的基本理論和實現方法: ( 1 )根據變壓器局部放電在線監測的要求,設計了放電模型和實驗方法,並通過模型實驗獲得了大量放電樣本數據,為構造局部放電灰度圖像和採用bpnn進行識別作好準備; ( 2 )研究了局部放電灰度圖像的構造方法以及降維構造32 32灰度和矩陣的方法;在用人工神經網路對局部放電進行模式識別時,分析了bp網路的優缺點,對典型bp網路的結構和學習訓練演算法提出了改進,採用帶有偏差單元的遞歸神經網路作為模式分類器;採用32 32灰度和矩陣進行bpnn識別結果表明這種方法是有效的。An improved high - resolution current - mode sorter is presented. its structure complexity is o ( n ), which is crucial to the expansion of its size, and its dynamic range is large. only one clock signal and one reset signal are needed. no biasing signal is required. the operation point is constructed according to the input current, so it is self - adaptive, which is very important for an all - purpose component. in average value circuit, subtraction circuit, winner - take - all ( wta ) circuit and control circuit, it has good performance even at a large input current. this sorter has high precision, high resolution and low power, as has been proved via hspice simulation. it can be implemented in the standard digital cmos technology and widely used in many fields, so it is of great value in applications
提出了一種改進的高精度電流型排序電路.它的結構復雜性僅為o ( n ) ,便於擴展;動態范圍大;它是自適應的,工作點由輸入電流確定,故不需要偏置信號,這對作為通用器件使用的排序電路來說是很重要的.通過利用平均值電路、減法電路、 wta電路和控制電路,可以使該電路在大輸入電流下依然保持高性能. hspice模擬表明該電路具有高準確性、高精度、低功耗的特點.它能用標準數字cmos工藝來實現,可以被應用於很多領域,具有很高的應用價值A topology of asymmetrical half bridge soft switching is researched in this thesis, which has inherent zero voltage switching ( zvs ) capability and thus potentially higher efficiency by its resonating of the leakage of power transformer with the parasitic capacitances of the power mosft switches, whereas it does n ' t raise the expense of the converter these studies in the thesis have been done as follows : ( 1 ) the topology of asymmetrical half bridge is introduced, and its principle and the relation of duty cycle and input voltage and output voltage discussed, the method of eliminating the deflection magnetism is also brought forward
雖然,軟開關技術能夠實現功率變換器的小型化、模塊化等,但是,電路變得更加復雜,使得中小功率的變換器的成本增加,往往不利於商業競爭。本文研究了一種零電壓的不對稱半橋拓撲結構,它可以在不增加電路成本的基礎上,利用電路自身的特點,實現軟開關。本文所做的主要工作如下: ( 1 )對不對稱半橋主電路工作原理進行分析,給出了占空比與輸出電壓、輸入電壓的關系以及消除變壓器偏磁的方法。This machine adopts high - level siemens plc concentration control, set up with computer controlled gear shifting vacuum gauge, and a three - flow controller, one set of contra - variant bias power and four - route contra - variant arc power supply, four side - installed heating tubes, computer pid automatic temperature control device, 60 and 100 two kinds versatile arc supply
該設備採用先進的西門子plc集中控制,裝有電腦自動換檔真空計和三路流量控制器,一套逆變偏壓和四路逆變弧電源,邊裝式加熱管四支,電腦pid自動控溫, 60和100兩種弧源通用。This machine adopts japanese pro - face touch screen and mitsubishi plc control technology. in addition, it is set with automatic gear - shifting vacuum gauge, a three - flow controller, side - installed heating tube, computer pid automatic temperature control, and two sets of flat magnetic controlled target, contra - variant magnetic - controlled power source, and contra - variant bias power with easy operation and top grade film layer. they are widely used in decorative film layer, and compound film layer in plating
該設備採用日本pro - face觸摸屏和三菱plc集中控制裝有電腦自動換檔真空計,三路流量控制器,邊裝式加熱管,電腦pid自動控溫,配備兩套邊裝式平面磁控靶,逆變式磁控電源和逆變式偏壓電源,操作簡單,膜層細膩,廣泛適用於鍍制各種裝飾膜層和復合膜層。This machine adopts japanese pro - face touch screen and mitsubishi plc control technology. in addition, it is set with automatic gear - shifting vacuum gauge, a two - flow controller, side - installed heating tube, computer pid automatic temperature control, and 32 sets contra - variant arc power supply and contra - variant bias power. they are widely used in plating different thick film layers of mono - metal and many compound film layers
該設備採用日本pro - face觸摸屏和三菱plc集中控制裝有電腦自動換檔真空計,兩路流量控制器,邊裝式加熱管,電腦pid自動控溫,配備32隻逆變式弧電源和逆變偏壓,適用於鍍制各種特種單金屬厚膜層或多鐘金屬復合膜層。Automatic bias circuit
自動偏置電路Abstract : the multifunctional inverter power sourcethe handy inverter welding, plating & charging manchine, developed with advanced inverter and micro - electronics control techniques, adopts “ half - bridge power expansion supply midpoint voltage autocontrol setting ”, and technically and effectively having solved inverter subvision of inverter power expansion circuit for leaning magnetism, reliability of high - power inverter setting, achives combination of constantcurrent and constantvoltage export, and realizes low - voltage dc and high - voltage ac double power supply
文摘:運用先進的高頻逆變技術和微電子控制技術設計研製的逆變式多功能電源便攜式逆變焊鍍充電多用機,採用「半橋式功放級供電中點電壓自動控制調節裝置」 ,在技術上解決了逆變功放電路因偏磁而造成的逆變顛覆,有效地解決了大功率逆變器的可靠性問題;進行多種外特性的綜合設定,實現了恆流與恆壓輸出的合一;與傳統焊機相比,實現了開環和閉環狀態下都互不影響的低壓直流電瓶和高壓交流雙供電分享友人