data transmission system 中文意思是什麼

data transmission system 解釋
數據傳遞系統
  • data : n 1 資料，材料〈此詞系 datum 的復數。但 datum 罕用，一般即以 data 作為集合詞，在口語中往往用單數...
  • transmission : n 遞送；傳遞；傳達；傳染；移轉；【機械工程】傳動；傳遞；變速器；聯動機件；【無線電】傳送；發射；...
  • system : n 1 體系，系統；分類法；組織；設備，裝置。2 方式；方法；作業方法。3 制度；主義。4 次序，規律。5 ...
  1. Multichannel serial opticalfiber data transmission system

    多路串列數據光纖傳輸系統
  2. The thesis also describes the implementation of the reliable multicast data transmission system with the adaptation of alc and the above three key schemes. this system is applied in zju remote education broadcast - television - online project, one of the zhejiang province 5112 projects, and zhejiang rural technology information project, one of zhejiang province ' s major technology development projects

    本文最後論述了採用異步分層編碼和上面三個關鍵技術的可靠組播數據傳送系統的實現，並在杭州市「 5112 」項目?浙大遠教廣電在線項目和浙江省重大科技攻關項目?浙江省科技信息化村鎮項目上得到了應用，實際運行效果良好。
  3. This thesis analyzed the error performance of mfsk and mpsk modulator in hf with optimal receiver, studied the shortcoming and strongpoint of several typical short - wave data transmission systems and their performance over fading and intersymbol interference channels. the theory and key technical of adaptive modem is discussed. in the last, an efficient modulation scheme - block coded modulation is introduced into hf radio systems to improve the efficiency of hf data transmission, this paper also proposes a hf data transmission system scheme composed of a block coded modulator and a decision feedback type adaptive equalizer

    本文在對短波數傳兩種常見調制方式fsk及psk最佳解調性能分析的基礎上，討論了幾種採用典型調制技術的短波數傳系統（如時頻調制、多進制頻移鍵控慢跳頻、 chess系統）原理、優缺點以及抗衰落和抗符號間干擾的性能；分析了自適應串列數傳系統抗短波通道衰落和多徑干擾的原理、關鍵技術；在本文的最後引入一種有望解決短波數傳系統低效率狀況的調制方式bcm -分組編碼調制，給出了一個採用bcm技術與自適應均衡技術相結合的短波數傳系統方案，並通過計算機模擬進行了初部驗證。
  4. In this paper, the design and implementation of the carrier synchronization technology in the integrated anti - interference data transmission system have been investigated

    本文對綜合抗干擾數據傳輸系統的載波同步及實現進行了研究。
  5. After a deep study on the status of the transmission channel in china, we put forward the point that the method to utilize the existing wired television network for a reliable multicast data transmission system has the capability to meet the mentioned challenge, and is a reasonable and applicable means for approaches too

    本文深入研究了我國底層傳輸網路的現狀，認為在有線電視網路上建立可靠組播數據傳送系統是能夠滿足上面的要求的，同時也是比較合理和可行的方法。
  6. After compare kinds of design, the ofdm knowledge be adopted to use in high - speed data transmission system and this system has been designed

    系統物理層的設計，通過幾種方案的對比，設計出採用ofdm技術的高速數據傳輸系統。
  7. It is very difficult to design a high - quality underwater acoustic data transmission system. in our study, we use frequency diversity and frequency - hopped technology. this method is an effective solution for the isi and signal fading

    該方法起到保證mfsk傳輸系統使用頻率中文摘要統使雨頻率分集技術能得以有效的實現；並可用於提高mfsk信號檢測精度，因此在頻率信號檢測中它有廣泛應用意義，它是本文重要創新之處。
  8. Also attaches great importance to the provision of a secure online transaction and personal data transmission system for customers

    非常著重網上保安的需要，為用戶提供一個最穩妥的網上交易及個人資料傳送系統。
  9. Data transmission system of the telemetric digital seismic network of shanxi province

    基於網路的數字地震臺網數據處理系統設計
  10. The wireless data transmission system based on ptr

    2000的無線數據傳輸系統
  11. Performance analysis of a parallel data transmission system

    一種并行數據傳輸系統的性能分析
  12. Batch type data transmission system

    間歇式數據傳輸系統
  13. Under this background and based on the assignment of researching and developing real - time transaction proto - type system of one of the five exchanges - shanghai future exchange, the dissertation is intended to research and implement the exchange message protocol ( xmp ) and message transaction protocol ( xtp ) which are designed to guaranteeing the security and reliability of the data transmission system and discusses the design and implement of the xmp and xtp

    本文正是在這樣的背景下，基於我國五大交易所之一?上海期貨交易所的交易原型系統的研究和開發項目，研究實時交易系統中的數據通信協議：信息打包協議xmp （ exchangemessageprotocol ）和交易協議xtp （ exchangetransactionprotocol ） ，並討論了協議的設計和實現。
  14. With this tech, we design a high - efficient & robust mfsk data transmission system. but in frequency diversity of mfsk system, it is very difficult to tell which diversity is the correct carrier frequency. now we use the temporary phase swift ( ips ) method to solve the difficulty

    在2000年，美國海軍成功通過水聲鏈路並接入internet網路發送e mail ，這具有重要的戰略意義；從科學技術發展的角度來看是喜訊，但對我們這樣一個海洋大國來說，更現實的意義在於鞭策自己的科研工作。
  15. For the multipath delay spreading problem existing in the mobile communication systems, a parallel quadrature am data transmission system with a number of overlapping subchannels is investigated

    摘要針對移動通信系統中存在的多徑延時擴展問題，研究了一種具有很多相互重疊子通道的并行正交調幅數據傳輸系統。
  16. In chapter 1, the basic principle and structure of the integrated anti - interference data transmission system are introduced. in chapter 2, the theory of maximum likelihood ( ml ) carrier synchronization parameter estimation ( frequency estimation and phase estimation ) are expatiated, and the closed - loop recovery methods ( phase - locked loop, pll ) and some other arithmetic in common use are introduced

    第二章對最大似然（ ml ）載波同步參數估計（頻率估計和相位估計）理論進行了闡述，對常用的閉環恢復法即鎖相環（ pll ）法和一些載波同步參數處理方法進行了介紹，並對常用的載波頻率估計方法作了分析比較。
  17. However, high - speed data transmission system suffers from time - variant multi - path fading and inter - symbol interference ( isi ). as a solution, adaptive equalization can effectively combat isi by compensationg for channel distortation

    隨著數據率的提高，通道呈現出頻率選擇性，信號的一些頻率成分將產生深度衰落，產生碼間干擾（ isi ） ，影響系統的性能。
  18. The thesis is composed of 9 parts : the background, significance, main topics and innovations in the thesis are introduced in chapter 1 ; in chapter 2, the main function and performance of interface circuits are described from the view of system by using the example of gigabit ethernet ' s transceiver ; the transmission media ' s frequency characteristics and model are analyzed for the high - speed data transmission system in chapter 3 ; the line driver is presented in chapter 4 ; the equalization principles for high - speed data transmission system are introduced in chapter 5 ; a novel adaptive equalizer for 1000base - cx transceiver is presented in chapter 6 ; in chapter 7, a fixed equalizer for 2. 5gbps transceiver is described ; in chapter 8, layout design and measured results are discussed ; at last, the conclusions are drawn in chapter 9. during period of finishing the thesis, i read lots of literatures about the interface circuits in high - speed data transmission system, studied their principles and design techniques, and designed : 1 、 the line driver for 2. 5gbps baseband copper cable transceiver ; 2 、 the fixed equalizer for 2. 5gbps baseband copper cable transceiver ; 3 、 the fixed equalizer for 1. 5gbps sata ( serial at attachment ) transceiver ; 4 、 an adaptive equalizer for 1000base - cx transceiver

    論文由9部分組成：在第一章引言中介紹了論文的背景、意義、國內外研究現狀，以及論文的主要內容和創新；第二章以千兆位以太網為例，從系統的角度介紹了高速數據傳輸系統介面電路的主要功能和性能指標；第三章分析了高速數據傳輸系統的傳輸介質的頻率特性和模型；第四章描述了線驅動器的設計原理及其電路實現；第五章描述了高速數據傳輸系統的均衡原理；第六章描述了適用於1 . 25gbps基帶銅纜收發器系統的自適應均衡器的設計原理和電路實現；第七章描述了適用於2 . 5gbps基帶銅纜收發器系統和1 . 5gbps串列硬盤介面（ sata ）收發器系統的固定均衡器的設計原理及其電路實現；在第八章中分析了電路的版圖設計及晶元測試結果；最後，第九章總結了全文。在完成論文期間，查閱了大量的有關高速數據傳輸系統介面電路方面的文獻，較系統地學習了線驅動器、傳輸線和均衡器等方面的理論知識和電路設計原理，設計了用於： （ 1 ） 2 . 5gbps基帶銅纜收發器系統的線驅動器； （ 2 ） 2 . 5gbps基帶銅纜收發器系統的固定均衡器； （ 3 ） 1 . 5gbpssata系統的固定均衡器； （ 4 ） 1 . 25gbps基帶銅纜收發器系統的自適應均衡器。
  19. With the information age coming, the data rate of data transmission system is increasing dramatically

    隨著信息化時代的到來，數據傳輸系統傳輸的數據率呈幾何級數增長。
  20. Chapter 1 sketches bandwidth wireless data transmission system, puts forward full digital modulation and demodulation and construction of software wireless and fpga. to design the burst mode 64 qam demodulator in the special applications

    第一章簡述了寬帶無線數據傳輸系統，提出了全數字調制與解調的方案，可以採用軟體無線電和fpga實現，在特殊應用環境里對64qam突發模式解調器進行fpga硬體設計。
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