集電柵 的英文怎麼說
中文拼音 [jídiànzhà]
集電柵
英文
catcher grid-
As a new component of sensor, fiber grating have many instinctive advantages, such as light in weight, anti - cauterization, anti - interference in electromagnetism, high - sensitivity and compaction in construction. it is very easy to be coupled with fibers and the coupling - loss is slight. using fiber grating ’ s character of sensitivity for stress ; people have done some envelope experiments on structural systems ( such as storied buildings, bridge, railway and dam )
光纖光柵傳感器除了具有重量輕、耐腐蝕、抗電磁干擾、靈敏度高、結構緊湊等優點外,還有其獨特的優越性,如探頭尺寸小,其直徑與光纖等同;易於與光纖耦合,耦合損耗小;波長調制型,抗干擾能力強;集傳感與傳輸於一體且具有極強的復用能力,易於構成傳感網路;測量對象廣泛,易於實現多參數傳感測量等等。Two other effects are transient phenomenon called single event upset ( seu ) and single event latchup ( sel ). in this paper, some means to harden the devices against these phenomena are used. guard banding around nmos and pmos transistors greatly reduces the susceptibility of cmos circuits to lachup
在本文設計中,採用雙環保護結構,大大的降低了cmos集成電路對單粒子閂鎖效應的敏感性;對nmos管採用環型柵結構代替傳統的雙邊器件結構,消除了輻射感生邊緣寄生晶體管漏電效應;採用附加晶體管的冗餘鎖存結構,減輕了單粒子翻轉效應的影響。In large dimension measurement techniques, on the two - dimensional optical microscopy work platform displacement signals collection, the introduction of raster feet to achieve large dimension measurements designed raster signal acquisition circuits, a collection of analytical studies of the key circuits, the corresponding solutions, and discussed work platform displacement signals, image data and the actual dimension ; meanwhile driving mechanism designed electrical circuit, laying the foundation for the measurement of two - dimensional work platform automatically
在超屏幕尺寸測量技術中,關於二維光學顯微工作臺位移信號採集,採用了光柵尺來實現超屏幕尺寸測量,設計了光柵信號採集電路,分析研究了採集電路中的關鍵性問題,提出相應的解決方案,並討論了工作臺位移信號、圖像數據與實際尺寸的關系;同時設計了電機驅動介面電路,為二維工作臺自動測量奠定基礎。In the beginning, the working principle, testing and data processing system of pdl micro - control material test machine is introduced ; then more attention is paid to the hardware system which is composed of high precision raster linear displacement sensor, high precision force sensor, the digital displaying sets, the interface equipments and the controlling circuits etc to perform the data collection and ensure the testing precision of the whole system
論文首先介紹了pdl材料拉伸試驗機的工作原理、測試及數據處理系統;接著詳細介紹了由高精度光柵線位移傳感器和壓力傳感器、數顯裝置、介面裝置及控制電路等組成的新的硬體系統,來完成數據採集,並保證整個系統的測試精度要求。And the grating signal receive circuit, fpga module circuit and output signal interface circuit are integrated into one board - dual grating signal process board
並將fpga模塊電路、雙光柵尺信號接收電路與外部介面電路集成為自行設計的雙光柵尺信號處理卡。A particular over - current protection and drive circuit is given, the impact of resistance between gate and emitter on gate voltage dropping is discussed, and an adjustable gate - emitter resistance circuit is put forward
設計了過電流保護驅動電路,討論了柵射集電阻對降柵壓過程的影響,並提出一種可變柵射集電阻電路。The paper lays a strong emphasis on discussing the realization of the autocontrol of raster scanning of the scanner in x - y dimension, the " tapping " of the cantilever of the tappingmode afm by a direct digital synthesizer. then a method of parallel communication between dsp and pc in epp mode is given. finally, the author discussed the digital pid closed loop control of the scanner in z - direction, the automatic approaching of the tip using step - motor, and also some electro - magnetic interferences
論文首先簡單介紹了掃描探針顯微鏡的發展、分類、工作原理及應用;接著對ti公司的tms320vc5402dsp的特點及外圍擴展作了簡單介紹;然後分章節重點講述了利用vc5402dsp實現掃描探針顯微鏡的核心部件? ?壓電陶瓷管的x向和y向的光柵掃描控制;藉助直接數字集成器( dds )實現輕敲式原子力顯微鏡的微懸臂的「輕敲」 ; vc5402dsp的主機介面( hpi )與pc機在增強并行口( epp )模式下的通信;論文最後還介紹了掃描管z向的數字pid閉環控制,步進電機的自動進針,並對實際出現的一些電磁干擾問題作了討論。A quick spectroscopic diagnostic system for the flame temperature is set up in this paper. it consists of an optic imaging system, a scanning system, a dispersive system, a photoelectricity conversion cell, operational amplifiers, a computer - based data collection system and a data processing. the temperature profile varying with the time can be quickly measured by this system
目前光學診斷由於其相應快、精度高,屬于非接觸式測量手段,在研究中得到越來越多的應用,這里要介紹的就是本文中建立的一套光學診斷系統,它由高壓燃燒室、旋鏡掃描儀、旋鏡控制器、小型光柵攝譜儀、光電轉換裝置,微弱信號放大器以及數據採集系統組成。Xing su ( microelectronics and solid state electronics ) directed by prof. lin chenlu the fast development of information technology requires integrated circuit to be greater integrated, faster functioned, and lower power - consumed, that lead to continuous shrinkage of mos and dram feature size. and under this trend the thickness of mos gate dielectrics ( sio2 ) would soon scale down to its physical limit
日益增長的信息技術對更高集成度、高速、低功耗集成電路的需求,驅使晶體管的尺寸越來越小,隨之而來的問題是作為mos柵氧化物和dram電容介質的sio _ 2迅速減薄,直逼其物理極限。The large gate current brings out a lot of questions such as thermal stability, thermal dissipation, lifetime etc, so, it affects the device ' s function and the device ca n ' t work normally
如此大的柵電流,將會產生很多嚴重的問題,如熱穩定性、散熱、壽命等問題,嚴重地影響著器件性能,使器件不能正常工作,以致限制了集成電路的進一步發展。Abstract : a new approach, gate - capacitance - shift ( gcs ) approach, is described for compact modeling. this approach is piecewise for various physical effects and comprises the gate - bias - dependent nature of corrections in the nanoscale regime. additionally, an approximate - analytical solution to the quantum mechanical ( qm ) effects in polysilicon ( poly ) - gates is obtained based on the density gradient model. it is then combined with the gcs approach to develop a compact model for these effects. the model results tally well with numerical simulation. both the model results and simulation results indicate that the qm effects in poly - gates of nanoscale mosfets are non - negligible and have an opposite influence on the device characteristics as the poly - depletion ( pd ) effects do
文摘:提出了一種新的建立集約模型的方法,即柵電容修正法.此方法考慮了新型效應對柵電壓的依賴關系,且可以對各種效應相對獨立地建模並分別嵌入模型中.另外,利用該方法和密度梯度模型建立了一個多晶區內量子效應的集約模型.該模型與數值模擬結果吻合.模型結果和模擬結果均表明,多晶區內的量子效應不可忽略,且它對器件特性的影響與多晶耗盡效應相反By studying and using conventional 1c process in combination with electron beam lithography ( ebl ), reactive ion etching ( rie ) and lift - off process, several efficient results are produced : semiconductor and metal nano - structures are fabricated ; the matching problem of photolithography and electron beam lithography is well solved ; the process efficiency is improved ; the process is offered for the controlled fabrication of nano - structures by repetitious process testing ; several nano - structures such as si quantum wires, si quantum dots, double quantum dot structures and tri - wire metal gate are firstly fabricated by using ebl and rie processes
研究利用常規的硅集成電路工藝技術結合電子束光刻,反應離子刻蝕和剝離等技術制備半導體和金屬納米結構,很好地解決了普通光刻與電子束光刻的匹配問題,提高了加工效率,經過多次的工藝實驗,摸索出一套制備納米結構的工藝方法,首次用電子束光刻,反應離子刻蝕和剝離等技術制備出了多種納米結構(硅量子線、量子點,雙量子點和三叉指狀的金屬柵結構) 。When the analyzer was located in four angles, a photoelectric detector was used to gather the energy of laser, so we can calculate the retardation of wave plate with the phase shifting
測量裝置採用了步進電機帶動檢偏器旋轉,運用光柵編碼器測角裝置測量檢偏器的轉動角度,使用光電探測器採集檢偏器在四個方位角度的光強值,根據移相演算法得出波片的相位延遲角。In experiment process, aim at the current rotary encoders output is not ttl wave type, the writer designs the hardware integrated circuit by that can turn the current wave into ttl wave, and it obtains the good result. finally the thesis creates the pcb card of the chip module, and makes use of the hp signal occurrence apparatus 33120a finishing the on - line data collection, give out and analysis the experiment result
在實驗過程中,針對現有圓光柵編碼器輸出波形為正弦波,設計了正弦波轉為方波的硬體集成電路,取得了很好的效果;製作了下位單片機系統的pcb板;最後利用hp33120a信號發生器,對其發出的信號進行實時採集,給出了實驗結果並加以分析。Detail specification of ceramic pga for semiconductor integrated circuits
半導體集成電路陶瓷針柵陣列外殼.詳細規范In this paper, a three phases high - voltage power mos gate drive integrated circuit has been researched and designed successfully. it is a typical spic, which could be widely used in high power motor control and switching power supply applications. the design goal of the circuit are v0ffset ( max ) is 500v, ia ( m ~ ) is 1 a, the highest frequency of operation ( f ( ~ x ) ) is 100khz
本文研製成功了一種可廣泛用於大功率電機控制、開關電源等應用中的spic電路?三相高壓功率mos柵驅動集成電路,其設計指標要求為:最高偏置電壓( voffset ( max ) )為500v 、最大輸出電流( i _ o ( max ) )為1a 、最高工作頻率為100khz 。The common map is scanned into grid map, and then vectored in mapinfo. after vectoring, vector data are matched and the spatial coordinate data of resident points, water system and other data are gained. the coordinate of reference points in the freeway are gathered by gps, then after data processing, coordinate transition, data inputting, it turn into the freeway graph, which composes the freeway electronic map with the materials subsidiary to the freeway
將普通紙質地圖經過掃描生成柵格地圖,然後在mapinfo環境下進行矢量化生成矢量化地圖,經過矢量化數據配準,確定居民點、水系等物系的空間坐標數據;利用gps採集的高速公路控制點坐標,經過數據處理、坐標轉換、錄入,最後生成高速公路圖層,和上述高速公路附屬物共同構成了完整的高速公路電子地圖。The shanghai leishi lighting co, . ltd is a collection of research, development, production, marketing, “ green lighting appliances, ” which integrated modern enterprises, the company ' s electronic energy production, electronic ballast and electronic transformers, tongdeng, low voltage supply, the grid supply, jinludeng, such as light - series of products, product quality have reached the international advanced level, and widely used in hotels, shopping centres, hotels, office off as, residential lighting and other projects
上海雷士照明有限公司是一家集研究、開發、生產、銷售「綠色照明電器」為一體的現代化型企業、公司生產的電子節能燈,電子鎮流器和電子變壓器,筒燈、低壓射燈、格柵射燈、金鹵燈、光源等系列產品,產品質量均已達到國際先進水平,並廣泛應用於酒店、商場、賓館、辦公場所、住宅等照明工程。This system provides pulse signal and direction signal to step motor driver by computer ’ s controlling step motor control card, and makes motor and guage ’ s pointer rotate. computer gets the micro displacement measured by grating measuring system via rs232 serial port, and acquires guage ’ s image by high precison ccd camera, then processes the guage ’ s image by software, including pre - processing, graying, binarization, thinning and hough transform, so as to recognize the position of guage ’ s pointer, finally calculates all kinds of precision on basis of algorithm established by national detecting rules of gauges
本系統通過計算機控制步進電機控制卡來給出步進電機驅動器需要的脈沖信號和方向信號,進而帶動電機驅動儀表指針轉動,計算機通過串口實時採集光柵測量系統的微位移信號,並且通過高精度ccd攝像機實時獲取表盤圖像數據,同時通過計算機軟體實現表盤圖像處理,包括預處理、灰度化、二值化、細化和hough變換等,最終快速識別出表盤指針的位置,並根據國家表類檢定規程所制定的演算法檢定出指針式儀表的各種精度。The structure of field emission triode is first simulated by magic. the tip height, tip position, tip curvature, gate aperture, and gate voltage are changed, to observe the emission current and the electron congregation
本課題首先採用magic軟體對三極體結構的尖錐場發射陰極進行了模擬計算,分別改變尖錐高度,錐尖位置,尖錐曲率半徑,柵極孔徑及柵極電壓,觀察陽極收集電流及電子束的會聚情況。分享友人