集成同步電路 的英文怎麼說
中文拼音 [jíchéngtóngbùdiànlù]
集成同步電路
英文
integrated sync circuit- 集 : gatherassemblecollect
- 成 : Ⅰ動詞1 (完成; 成功) accomplish; succeed 2 (成為; 變為) become; turn into 3 (成全) help comp...
- 步 : Ⅰ名詞1 (步度; 腳步) pace; step 2 (階段) stage; step 3 (地步; 境地) condition; situation; st...
- 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...
- 集成 : integration集成晶體管 integrated transistor; 集成元件 integrated component
- 電路 : [訊] circuit (ckt); electric circuit; electrocircuit電路板 circuit board; 電路保持 guard of a c...
-
Dds951 series electronic single - phase electric meter is the most advanced static electronic meter in china. the meter designs use large - scale intergated circuit. high reliability step motor, it can the ac single - phase active energv voltage rating : 220v : frequency 50hz, positive and negative two directions and accumulates in one direction. the test singnal is isolated by phototransistor : it also has the function of anti - fraud, and indicates it s operation situation on flash light, so it could be managed very easy
Dds951單相電子電能表,是金雀儀表公司開發的新型電度表。該產品是採用規模專用集成電路,高可靠性步進電機等先進技術製造的國內最新電能試題新產品,用來計量額定電壓為220v ,頻率為50hz的交流單相有功電能,該產品能夠精確計量正負兩方向的有功電能,且以同一個方向累計。This thesis deals with the algorithm of synchronization and its dvb - c ( digital vision broadcasting - cable ) implementation. the synchronization is used in the dvb receiver of hdtv cable broadcasting transmission system
本文著重於有線視頻廣播系統( dvb - c )傳輸系統中符號的同步定時原理及其在專用集成電路晶元( asic )上的實現。Detail specification for electronic component. semiconductor integrated circuit. type ch2021 4 - bit up down synchronous binary counter dual clock
電子元器件詳細規范.半導體集成電路ch2021型4位二進制同步加減計數器Gigabit - ethernet synchronization detector integrated circuit
千兆以太網同步檢測集成電路設計An entirely new structure of high voltage soi ldmos with located charge trenches in vertical and a lateral trench with a shape of u was studied. with lots of analysis on this new compound structure, the breakdown voltage was raised 30 % and size was reduced to 60 % of the common soi ldmos
這樣,該復合結構不僅可突破普通高壓soimosfet器件的耐壓極限,同時也可以使器件尺寸減少30 %以上;是與國際水平同步的一項重要研究,對soi器件及其功率集成電路的研發具有重要的意義。Now, with the rapid development of computer and electronics, there have been a great progress in the field of input / output device technology. among this field, pci has been a current standard interface of pc. and in order to accommodate the development of operating system, wdm has been a driver model adopted by industry generally. at the same time, in the respect of sensor ’ s application, a high precision and high integrated incremental rotary encoder has been an outstanding one among the displacement sensors. meanwhile, eda technology and cpld / fpga chip applied in the signal processing circuit are approved by a great number of engineers who are engaged in designing the electronic device
目前,隨著計算機技術和電子技術的飛速發展, i / o設備介面控制技術領域有了長足進步。其中, pci介面成為主流的微機標準介面,而與操作系統平臺的發展相適應, wdm已成為業界普遍採用的驅動程序模式;同時,在傳感器應用方面,高精度、高集成的增量式旋轉編碼器已是位移型傳感器中的佼佼者,而eda技術和cpld / fpga器件在信號處理電路中的應用被廣大電子設計人員所認可。To accept the current signal from high negative voltage circuit, the analog ground is raised to a certain positive voltage, which makes it possible for the signal amplitude to be compressed at the same time of its polarity reversion. a pi control program special for laser gyro current control is brought forward according to the conventional pid control method, in which the control signal is figured out corresponding to the difference between the sample and the reference value by turn of proportion - short step integral - long step integral. and at the end of this paper, a comparison of system performance on different conditions is made and the key elements influencing system performance are educed
利用集成a / d 、 d / a轉換器的新型晶元aduc824 ,實現了電流(電壓)采樣?數據處理?電流控制的閉環控制結構;地電位的抬升解決了a / d轉換器對負高壓迴路電流采樣時的輸入范圍匹配問題;控制信號反相的同時進行幅度壓縮,使得輸出調整電壓的解析度提高;根據常規的比例?積分?微分( pid )調節模型,針對陀螺系統的特性,給出了一種可以滿足系統要求、據采樣值偏差大小進行的比例?大步長積分?小步長積分、分層次比例?積分演算法;不同條件下系統穩流性能的對比、分析在論文最後給出,並據此找出了決定該系統穩流精度的關鍵因素,提出了系統的改進意見。In the first part of this paper, the theory of laser range and dds technology was introduced, the factors of influencing range precision were also analysed. at the same time, put forward in the paper, with using the fpga embedded technology, the wideband and high resolution sin modulating signals can be generated easily, then analysed the noise of the dds ; in the second part, the theory of phase measurement based on fft was analysed. in the phase range system, by using the fft operation, the resolution and sensibility of phase measurement can be enhanced ; then some circuits were designed and come true, also simulated and validated ; in last part, the improvement of the phase range system was brought forward, summarized and expected
論文首先闡述了激光測距和調制信號源的基本原理,分析了影響測距精度的因素,指出應用dds技術可以實現寬帶、高精度的調制信號輸出,說明了引起dds輸出信號雜散的原因和解決的辦法;同時分析了應用fft運算實現信號相位提取的基本原理及設計方法,採用這種檢相技術,可以極大地提高測相精度與靈敏度;然後提出了基於fpga嵌入式系統的相位式激光測距機的整體設計,並就各部分進行了詳細的分析與設計;接著介紹了激光測距系統的外圍電路和基於quartusii集成軟體平臺的部分硬體電路的設計,並對其中的設計進行了模擬和驗證;最後總結提出了對系統今後的進一步改進和完善的思路。The system is able to complete the data sample of 32 signals input, and has the ability to sample simultaneously of per 4 signal inputs. the conversion is 8 bits, and the sample rate of per channel is not less than 400hz. in addition, this data conversion system also have the ability of data storage without power supply, and the data size in flash memory is amount to sample 5s " of 32 signal inputs
整個採集系統完成對32路輸入信號的采樣,而且可對每4信號路進行同步采樣, ad轉換精度為8位,每路信號采樣率不低於400hz ,另外系統還具備斷電數據保存功能,採用flash存儲器保存5秒的采樣數據,同時也具備與計算饑的epp并行通信介面。And then, aiming at the deficiency of conventional design, the high - compositive fpga ( filed programmable gate array ) chip is used as the core in this project to deal with the signal of six encoders in real time
其次針對以往設計的不足,採用了以高度集成的fpga (現場可編程邏輯陣列)晶元為核心的設計方式,實現六路光電編碼器信號的同步實時處理。As the only company in the prc that has the capabilities to produce and system assemble an extensive range of different grades of computer servers with a price range from rmb20, 000 to tens of millions of rmb and being the only systems integrator in the prc owning its brand of high performance computers and servers, dawning takes prides in its well established and extensive customer base and sales distribution network which will be utilized to complement its products and technology to provide systems oy s vdsl broadband solutions to telecom operators, cable television network providers, internet service providers and other corporate customers within the prc
作為國內唯一能同時生產由兩萬元至數千萬元人民幣,全系列不同級數服務器的生產商,及國內唯一基於自有品牌高性能計算機及高端服務器的系統集成商,曙光信息在國內擁有雄厚的客戶基礎及大的銷售網路。曙光信息將利用本身的優勢,配套公司的產品及技術,為國內的電訊經營商有線電視網路商網際網路服務供應商及其他企業客戶提供vdsl寬頻傳輸方案,進一步提升曙光信息的網路服務。For the image acquisition of optical scan mode, normally, ccd image sensor is used to capture image, but in our system, due to the system request of micromation and high integration, cmos image sensor is adopted as the image collection device, and then the thesis gives a interface circuit between the chip and dsp and a control solution of image collection ; toward the information storage in our solution, dsp is directly linked to usb host chip and it is the dsp that accomplishes the processing of usb protocol and interface control so as to reduce the cost, minimize product cubage and consequently meet the requirement of system micromation ; at the same time, the thesis probes preliminarily into usb otg ( on - the - go ) technology, which offers an approach between embedded machines including pda, mobile phone, printer, digital camera and so on ; in addition, some attempts on the other application area with tms320vc5402 which was commonly used to voice processing and static image processing are done, for example, to arrange the chip to control lcd module directly
在圖像的光電掃描輸入上,傳統方案大部分採用ccd型圖像傳感器,而在本方案中,根據系統微型化、高集成的特點,使用了cmos圖像傳感器作為攝像器件,並且設計了該晶元與dsp的一種介面電路以及圖像採集控制方案;在信息存儲上,本方案採用dsp直接與usbhost晶元連接,由dsp處理usb協議和介面信息,從而降低了系統成本、縮小了產品體積,滿足了系統微型化的要求;同時本論文也對usb - otg技術進行了初步探討,利用此項技術,不再需要計算機作為主機,就能實現在pda 、移動電話、印表機、數碼相機等嵌入式應用之間直接互聯通信;另外也對廣泛用於語音處理和靜態圖像處理的tms320vc5402其它方面的應用進行了嘗試,比如直接控制液晶顯示器等。In order to eliminate the sequence conflict of synchronous sequential circuit and shorten the designable time of integrated circuits, the algorithms of retiming is deeply researched in this paper
本文對重定時演算法進行了深入研究,目的在於消除同步時序電路的時序沖突,從而縮短集成電路的設計時間。Using the high - performance digital signal processor ( dsp ) as cpu, the author designs the medium - speed sampling and processing unit of the fault locator. on the one hand, this unit can sample voltages and currents of the line synchronously ; on the other hand, this unit can start the fault locator up and select the fault lines when faults occur
本文作者還以高性能的數字信號處理器( dsp )為cpu設計了測距裝置的中速采樣處理單元,該處理單元一方面可以實現線路電流電壓信號的同步數據採集,另一方面可以完成測距裝置的故障啟動和故障選線任務。A high - speed framing asic in optical - fiber communication system
光纖通信高速幀同步專用集成電路Detail specification for electronic components. semiconductor integrated circuit ct54ls169 ct74ls169 4 - bit binary up down synchronous counter
電子元器件詳細規范.半導體集成電路ct54ls169 ct74ls169型4位二進制同步加減計數器Civil air defense alarm system was a system to dispense antiaircraft alarm sig - nal, hand hostile air attack informational communication to urbanite at wartime. it is a particular informational communication system of the civil air defense depart - ment, and can not be taken place. at the development trend of digitaliza - tion, unitization, integration of civil air defense communication, the civil air defense alarm system is developing too, for adaptation to the require of both future war and peaceful dual, and enhancing civil air defense communication system ' s directing automation. in recent years, development of different kinds of communication technology infuses new clearly energy into communication, especially spread spectrum communication, because of its strongly interference - free feature, invisibility best, realizable code division multiple access and antimultipath wane and so on merit, gets extensive use at wireless region ; the corresponding spread spectrum chips emerge as the times and get boom, which provides advantag e to realization of the circuit of spread spectrum communication. at the same time, in company with the advance of electronics level, the single chip microcomputer has a great development, world renowned chip manufacturer pushout respective products one after another, the kinds of which are too many to statiste
在人防通信的數字化、一體化、綜合化必然的發展趨勢下,人防警報系統也不斷發展,以適應未來戰爭和和平時期的雙重需要,提高人防通信系統指揮自動化。近年來,各種通信技術的發展給通信注入了活力,擴頻通信更因其抗干擾能力強、隱蔽性好、可實現碼分多址和抗多徑衰落等優點在無線領域得到了廣泛應用;其相應擴頻處理晶元應運而生並得到迅速發展,這為擴頻通信的電路實現提供便利。同時隨著微電子工藝水平的提高,單片微型計算機有了飛躍發展,世界上著名的集成電路晶元製造商紛紛推出各自的產品,單片機型號之多,已達到難以統計的地步。Design and implementation of a fast round robin scheduler, in which a pipelined barrel shifter and a pipelined priority encoder are used ; testbench development of functional simulation for module verification and system verification, in which the bfm simulation model are used and some reference examples are proposed ; discussing the questions that should be paid attention to when using fpga to design high speed circuits and some design skills ; taking part in the system ' s integration and fpga implementation ; taking part in the system ' s test and verification ; the design of this thesis has provided some key method for inter - communication among different network processors, and also accelerated the development of communication products
討論了用fpga設計高速電路應注意的問題和一些常用的設計技巧;參與整個轉換邏輯的系統集成和fpga實現;參與系統的驗證工作;通信協議轉換邏輯的設計不僅可以解決不同網路處理器之間互通的問題,而且對于促進國產數據通信產品的研究與開發具有很重要的意義。同時在設計的過程中,進一步地探討了基於fpga的高速電路設計技術,對于fpga的設計有參考價值。This master degree thesis, based on the observing of developing actuality of on - site electrical apparatus monitoring technology, aims at overcoming the problems existing in former on - site monitoring system, such as unable to realize multiple channels sampling and hold, unable to carry out multiple channel programmable magnification, unable to monitor frequency, low pick up bits, external rom low speed data saving, inefficient data query method, inflexible debugging and installation, low precision etc. by introducing eda ( electrical design automation ) technology, we put forward a creative circuit design scheme, which can considerable updated the on - site monitor system
本文根據電氣設備絕緣在線監測技術的發展現狀,針對以往在線監測數據採集系統存在的集成度低,不能實現多通路并行采樣,不能實現多通道同時程式控制放大,不能進行同步頻率監測,采樣位數較低,採用外部存儲器方式,對數據進行查詢的訪問方式,安裝調試不靈活等缺點,提出了應用現代微電子技術電子設計自動化( eda )技術實現對在線監測數據採集系統的改進。Detail specification for electronic components. semiconductor integrated circuit ct54161 ct74161 4 - bit synchronous binary counter direct clear
電子元器件詳細規范.半導體集成電路ct54161 ct74161型4位二進制同步計數器異步清除分享友人