digital synchronization 中文意思是什麼

digital synchronization 解釋
數字同步
  • digital : adj. 1. 手指的;指狀的。2. 數字的,數據的。n. 1. (鋼琴等的)琴鍵。2. 手指。
  • synchronization : n. 同時;同時性;【物理學】同步,同期;【電影】同期[步]錄音,配音譯制。
  1. The results of experiment tell it is an effective method of share current. a strategy of synchronization control, which combines competition coequality and priority, is mentioned in the paper and uses digital phase - lock loop to track synchronization signal

    在同步控制上,應用了「優先與搶占」的方式產生同步信號,純硬體實現,簡單可靠;使用了成熟的數字鎖相環來跟蹤同步信號。
  2. In this thesis, firstly, we put forward a new algorithm of the synchronization of carrier reference phase, that is to use the curve synthesizing with the general digital carrier phase looper to have an estimation on carrier frequency within 10 ms so as to meet the need of meteor burst communication. we have done some simulations to get the performance of carrier frequency estimation using two modulation modes ( 16qam and 4 - qpsk ), and had some test on the carrier phase looper in conditions when using different baud rate transmission and when the baud tuning have windage

    我們對兩種正交調制方式( 16qam和4 - qpsk )進行了模擬工作並給出了模擬結果,同時討論了碼元同步定時誤差對鎖相環路工作的影響並根據流星通信中使用變速率傳輸時鎖相環路的載波同步性能進行了測試;然後在基於軟體無線電思想的數字處理平臺(該數字處理平臺實現了中頻數字化)上用dsp軟體完成了載波的相位跟蹤。
  3. Digital image processing consume a large amount of memory and time commonly. basing on the advantage of fpga, the paper design harware module by hdl ( hardware language ), i. e., some function is achieved by les ( logic element ) of the fpga. the real - time of digital image processing is achieved by this. the sample and display of digital image is the important part. so, the paper mainly design the sample and desplay module. the sample card is designed and it ’ s word mode is configured according china ’ s cvbs ( composite video bar signal ). for acquiring the image and storing it correctly to sram, the paper design the sample - control module. the sample module can work correctly using least time. the reliability and real - time achieve the reference. according the vga principle and scheduling of the ths8134, the paper design a vga - control module by hdl. firstly, the control signal is synthesized secondly, the horirontal and vertical synchronization signals is synthesized according to the vga interface standard

    圖像處理的特點是處理的數據量大,處理非常耗時,為實現數字圖像的實時處理,本文研究了在fpga上用硬體描述語言實現功能模塊的方法,通過功能模塊的硬體化,解決了視頻圖像處理的速度問題。圖像數據的正確採集和顯示輸出是其中的兩個重要的模塊,因此,本文主要完成了圖像數據的採集和顯示輸出的設計。本文設計了採集卡,並要對其工作模式進行了配置和編寫了採集控制模塊,在採集控制模塊的控制下,將數字圖像數據正確無誤的存儲到了sram中。
  4. Based on the traditional model of vibrat ory machines , an electrome chanical - coupled model of motor - vibrator y machine system is established, and a reasonable quantitative expla ining of engineering phenomena in transi ent processes is given by digital simula tion according to it. the, mechanism of self - synchronous vibration, and vibratory synchronization transmissi on is proposed in this paper

    本文對此進行了專門的研究,在傳統的振動機械模型基礎上建立了電機-振動機械繫統的機電耦合模型,利用該模型進行數值模擬對過渡過程中的一系列實際現象做出了合理的定量解釋,揭示了自同步振動和振動同步傳動的機電耦合機理。
  5. The field of video signal processing is now undergoing a digital reform. the digital processing technique is clearly expatiated in this paper, such as a / d convert, anti - alias filter, clamp control, gain control, pll, synchronization circuit, color decoder, comb filters

    本文詳細敘述了視頻圖像的數字處理方法,重點介紹了視頻信號數字化技術、抗混疊濾波器、箝位、增益控制、鎖相技術、同步時鐘產生、電視信號亮色分離、彩色解碼等技術,這些關鍵技術為視頻信號的數字化處理提供了重要的基礎。
  6. Based on the circumstances of upswing of digital reference service, the article totally discussed the three aspects in academic libraries, which are first, the new idea of service notion ; second, from asynchronization, synchronization to cooperation ; third, from out - of - order, in order to conformity

    摘要本文基於數字參考服務日趨高漲的環境,從服務理念的新境界,異步、同步到合作,無序、有序到整合三個方面,對高校圖書館數字參考服務的理論和實踐進行了論述。
  7. 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。
  8. A / d samples the intermediate frequency signal. the digital signal proceeding part based on tigersharc dsp can process the baseband digital signal including the algorithm of baseband modulation, baseband differential detection and symbol synchronization, etc. digital up converter supports interpolation filter and complex mixer

    A / d對中頻信號進行采樣,數字信號處理部分以tigersharcdsp為核心,負責基帶采樣數字信號的處理,實現基帶信號調制,基帶差分解調,符號同步的捕獲和跟蹤等演算法。
  9. Bit synchronization circuit design for digital communication system

    數字通信系統位同步電路設計
  10. Carrier frequency synchronization for digital multimedia broadcasting system based on ofdm

    的數字多媒體廣播載頻同步方法
  11. The main circuit is consisted of 18 thyristors circuit and protection circuit. with the help of control subsystem, it can get the output of low frequency voltage ( current ) with the shape of sine wave ; the core of the control subsystem is the cpu of 87c196kc, and the synchronization circuit, the pulse - widen circuit, and the power - enlarged circuit form the accessorial subsystem of the control system. it possesses all the functions of digital triggering, digital tuning, analog / digital conversion ; the input transfer can isolate the input and output ; and the circumfluence reactor can reduce the circumfluence

    主迴路採用由18個晶閘管組成的三相零式電路,並輔以晶閘管的保護電路,通過控制可以得到低頻正弦波的電壓(電流)輸出;控制迴路主要以87c196kccpu為核心,其外圍電路包括同步電路,脈沖拓寬電路,功率放大驅動電路等,完成了數字觸發、數字調節、模數轉換等功能;進線電源變壓器具有變壓和隔離作用;環流電抗器則實現了有效抑制主迴路瞬時脈動環流的功能。
  12. The whole circuit ' s timing generation and synchronization was realized with cpld. as the channel of data transmitting, pof can isolate high voltage part and low voltage part efficiently. at the same time, a single chip processor was used to design a digital meter for the fiber current transducer

    系統採用cpld實現整個工作電路的時序發生和同步協調,利用光纖實現高壓部分和低壓部分的完全電氣隔離和實現信號傳輸,採用單片機技術實現混合式光纖電流互感器專用數字顯示儀表的設計。
  13. Bits supplies the synchronous timing signal to these equipments inside the telecommunicationt building, such as dps, atm, no. 7, dxc, tm & adm in sdh, don and in etc. the related techniques are involved in the content of synchronization ne twork, timing distribution, the timing signal transportations x impairments etc. the second chapter tells the structure and the function of the building integrated timing system. the third chapter summarizes the digital synchronization network techniques, which emphasizes the basic concept of synchronization networks analyzes the necessity of building the synchronization network and introduces all kinds of synchronization methods. the fourth chapter represents the transportation of the synchronization signal

    本文第二章講述了通信樓綜合定時系統的構成及作用:第三章概述了數字同步網技術,著重描述了同步網的基本概念,分析了建立同步網的必要性,講述了各種同步方法;第四章闡述了同步定時信號的傳輸;第五章介紹了bits設備所支持的同步狀態消息;第六章、第七章為本文的重點,通過對時鐘信號建立數學模型,從理論上分析時鐘內部噪聲和相位瞬變產生時鐘定時信號損傷的原理,企圖尋找到更好地控制頻率漂移的方法。
  14. In view of the altitude problems of inspecting the weighted average ways of obtaining altitude and the advantages and disadvantages of moving surface interpolation method are talked about through comparison, with which the writer draws a conclusion that moving surface interpolation method is suitable to be applied for the dynamic state inspection places, moreover the key technology about the dynamic slate inspection is also taken into consideration, which includes digital camera and types of camera lens, the cause of camera lens distortion and the fundamental determining principle, the gain of image coordinate and the realization of time synchronization

    針對檢定點高程問題,分析比較了獲取高程的加權平均法和移動曲而內插法的優缺點,得出移動曲面內插法適合用於動態檢定場的結論。特別是針對動態檢定的關鍵技術給予了相關研究,內容涉及:數碼相機及相機鏡頭的選型,相機畸變差產生原因及測定的基本原理,像片坐標獲取以及時間同步實現,得出結論:利用gpsoem板的秒脈沖( 1pps )輸出特性,能夠實現兩臺數碼相機與gps接收機時間同步,滿足動態檢定指標要求。
  15. This master ’ s degree thesis firstly introduces and discusses the principle of ofdm and the merged blue print for digital terrestrial television broadcasting in china, then proposes a scheme for the test platform of narrowband ldpc decoding efficiency based on fpga. this scheme includes techniques such as time - domain synchronization using pn and power estimation using pilots

    本論文首先介紹並討論了數字電視傳輸標準tds - ofdm的實現原理,對其中的一些關鍵問題做了詳細的分析,在此基礎上提出了一種基於fpga的窄帶ldpc解碼-誤碼測試平臺設計方案,即利用時域pn頭同步及頻域導頻進行功率估計的fpga設計。
  16. Timing & synchronization is a key technology in digital communication network. building integrated timing system ( bits in short ) equipment is the most common synchronization supply equipment in digital synchronization network, which also is the key equipment supplying telecommunication network signal

    定時與同步是數字通信網的一項關鍵技術,通信樓綜合定時系統( buildingintegratedtimingsystem ,簡稱bits )設備是數字同步網中最常見的同步供給設備,也是提供電信網同步信號的關鍵設備。
  17. The principal of the digital communication theory and the relational theory of the synchronization are introduced in fourth chapter. in fifth chapter, author detailedly describes the methods of two kind digital phase - locked loop, expounds the processing of design and implementation by fpga

    第四章介紹了數字通信中位同步的相關理論,並在第五章詳細敘述了兩種數字鎖相位同步的原理,並論述了使用fpga設計實現這兩種位同步方法的過程。
  18. Technology requirement and test method of stand alone synchronization equipment in digital synchronization network

    數字同步網獨立型節點從鐘設備技術要求及測試方法
  19. Node clock set of digital synchronization network and its timing feature

    數字同步網節點時鐘系列及其定時特性
  20. Construction scheme of the national power digital synchronization network during the 11th five - year plan period

    期間國家電力數字同步網的建設方案探討
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