field synchronization 中文意思是什麼

field synchronization 解釋
場同步
  • field : n 菲爾德〈姓氏〉。n 1 原野，曠野；（海、空、冰雪等的）茫茫一片。2 田地，牧場；割草場；〈pl 〉〈集...
  • 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 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。
  2. 2 ) in the field of chaos secure communication, chaos synchronization is a key technology

    2 ）混沌保密通信中，混沌同步是一項關鍵技術。
  3. The generation, control, and synchronization of hyperchaos are one of the most important problems in the field of nonlinear dynamics

    超混沌產生、控制和同步是非線性動力學的重要前沿課題之一。
  4. Synchronized drive module produces horizontal drive signal in synchronization with horizontal synchronization signal and field drive sawtooth in synchronization with vertical synchronization signal. these signal drive scaning sytem of slltv

    同步驅動模塊產生與行、場同步的行同步驅動信號和場鋸齒波驅動信號，用於驅動激光電視的掃描系統。
  5. According to the theory of acousto - optic ( ao ) interaction, the formulas of diffraction loss of two ao q - switches, which acousto - field are perpendicular or parallel one another, the power divider for ensuring two ao q - switch synchronization and effective power driving is designed. the calculation results are satisfied with nd : yag laser experimental results. it is show that two ao q - switches, which acousto - field are perpendicular each other, switch - loss is nearly one times larger than one ao q - switch, one of third larger than the two ao q - switches which acousto - field are parallel

    從理論上對聲光器件衍射損耗作了分析與計算，研究了二維雙聲光器件對提高衍射損耗效率的影響，在實驗中採用二維雙聲光組合器件提高聲光器件的對nd ： yag激光器的關斷能力，較之單聲光的關斷能力提高了一倍左右，而對于平行雙聲光也提高了30左右，並設計了聲光驅動功率分配器以驅動雙聲光器件達到同步，消除了激光輸出的多脈沖現象，提高了脈沖列的輸出功率。
  6. In this dissertation, ofdm which has been the hottest spot in communication field recently will be considered as my direction. the dissertation will study some key techniques in mc - cdma system, such as modulation technique, peak - average power ratio, detection technique and synchronization problem of the whole system. what ' s more, the results of calculation and simulation will be given

    本文以目前通信領域的熱點： ofdm （正交頻分復用）為研究方向，對于多載波cdma系統中的若干關鍵技術，即多載波cdma系統中的調制技術、峰平比性能、接收端檢測技術以及整個系統同步問題進行了研究，並給出相應的計算機模擬結果。
  7. With multi - ccd and multi - computer system, video and sampling synchronization technique in lan adopted, real - time measurement of large - scale flow field was achieved. velocity distribution of the flow field with an area larger than 1000 m2 can be measured in 20 seconds

    採用多ccd攝像機和多臺計算機、視頻信號同步、局域網同步等技術，首次實現了大范圍流場的實時測量，在20秒鐘之內測量1000m2以上的流速場。
  8. We mainly investigate the second kind. linear stability analysis and numerical simulations will be used, and the evolution equation of a nonlinear resonator filled with kerr medium, the mean - field model for a nonlinear resonator filled with two - level atomic medium, second - harmonic generation system ( shg ) with quadratically nonlinear material, complex ginzburg - landau equation ( cgle ), and coupled map lattice model ( cml ) will be considered in this dissertation. the paper can be divided into three parts : pattern formation, pattern selection and control of stc, the synchronization and applications of stc

    以含有kerr介質非線性光學諧振腔發展方程、含有二能級原子介質的非線性光學諧振腔平均場方程、含有x ~ 2介質的光學二次諧波產生系統模型、及復金茲伯格?朗道方程和耦合映射模型等動力學系統為例，採用線性穩定性分析及數值實驗方法，研究了斑圖形成、斑圖的選擇和時空混沌的控制、時空混沌的同步及其在保密通信方面的應用等三大部分內容。
  9. Further more, the advanced techniques of data synchronization, system customization and system micromation in the field of embedded database are analyzed

    在此基礎上，分析了嵌入式數據庫領域中數據同步、系統定製、系統微型化等方面的先進技術。
  10. As a complex nonlinear dynamics behavior, chaos is a general phenomenon in nature and is one of the most important discoveries in the 20th century later. chaos, which is generated by non - linear dynamical system, possesses many unusual characteristics and these characteristics enable chaos to have a great charming prospect and practical value in secure communication field. recently, chaotic communication has become a new and promising subject, so this dissertation selects it as research direction, and analyses emphatically the applications of chaos in cdma communication system. the main works are as follows : ( 1 ) chaotic phenomena and its related problems are summarized, and these problems, such as the relation of spread - spectrum code in cdma communication system and chaotic sequences, and the relation of chaotic synchronization and system secret performance, are discussed

    混沌是一種特殊復雜的非線性動力學行為，也是自然界普遍存在的現象，被認為是二十世紀末期最重要的科學發現之一。有確定性非線性動力學系統產生的混沌具有許多奇異的特性，顯示了混沌在保密通信等領域有著誘人的應用前景和重大的實用價值，目前，混沌理論在通信中的應用是一個全新的前沿課題。本文以此作為研究方向，著重分析了混沌在碼分多址通信系統中的應用。
  11. With the further research of chaos phenomenon, chaos control and synchronization becomes an advanced research field

    並且隨著對混沌現象研究的不斷深入，混沌控制和同步成為這一領域的前沿課題。
  12. At the base of earnestly analysis to the ov7620 working sequence, using its frame synchronization, field synchronization and the pixel - clock signal, completed gathering of the active power meter reading image which is reduced resolutions at the control of mcu

    在仔細分析ov7620工作時序的基礎上，利用其幀同步、場同步和像素時鐘信號，在單片機的控制下完成了對電度表讀數圖像的降低解析度採集。
  13. After that, the chapter illuminates the asic project of synchronization. at last, the chart demonstrates two different implementation schemes that are hardware and asip ( application specific integrated processor ) for field sync correlative calculation

    之後闡述了同步的asic實現，其中以場同步相關運算為例，提出了硬體及asip （應用專門指令集合處理器）的兩種實現方案，並對兩種方案進行比較。
  14. The dissertation tries to eliminate these affection in details : far - near field problem can be relieved by changing the pesudolite ' s signal format and increasing the dynamic range of receivers ; dual - satellite ' s dual directions timing technology and atomic tinier are contributions to enhance synchronization, the constraints of the layout and location of pesudolite stations, such as gdop, proof - interfere etc., are also focused in

    從偽衛星信號格式和接收機動態范圍出發改進了遠近場問題的影響。研究了偽衛星與衛星精確時間同步。通過對gdop 、衛星間及與用戶接收機的共視性、抗干擾性等幾個約束條件的分析，對偽衛星基站進行了合理選址和優化布局。
  15. Computer network time transfer is a new method for time synchronization, which is a new reseach field

    通過計算機網路傳輸標準時間、頻率將是授時領域的新課題，也是時間同步的新手段。
  16. We focus on the carrier synchronization method, the circuit and its parameters design, the performance simulation and the circuit implementation in field programmable gate array ( fpga )

    重點研究載波同步方法，設計電路及參數，模擬同步性能，並在現場可編程門陣列（ fpga ）上實現同步電路。
  17. It becomes more difficult to realize frame synchronization with higher data transfer speed, and this field applies mostly high - speed digital circuits technique

    隨著數據傳輸速率增高，其幀同步的實現就越來越困難，而該領域主要是應用高速數字電路技術。
  18. In view of drive - response chua ' s circuit chaotic synchronization system, chaos synchronization self - maintenance is put forward in this thesis, it solves the present problem of how to stimulatingly transmit useful signal and chaos synchronization control signal in the same one channel, as a result, it establishes the groundwork of putting chaos into practical application of engineering and communication field

    本文針對驅動?響應式chua電路混沌同步系統，提出混沌同步系統的自保持特性，解決了目前在混沌保密通信中，如何在同一通道中同時傳輸明文信息和混沌同步控制信號，為混沌同步在工程、通信領域的實際應用奠定了基礎。
  19. This field is very important because the synchronization degree will influence the operation of the radar system heavily. in this paper, the fundamental theory of bistatic radar system and the problems it faced is introduced. at the same time, the transmission technologies of time and frequency signal are discussed and the advantages and disadvantages of each technology is analyzed too

    本文針對雙基地雷達系統的時間、頻率與相位同步進行了細致的分析、設計和論證，在充分比較各種授時技術優缺點的基礎之上，結合雙基地雷達系統的特點，提出了一種基於gps的時間、頻率與相位同步方案。
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