carrier transmission system 中文意思是什麼

carrier transmission system 解釋
載波傳輸系統
  • carrier : n 1 運送人，搬夫；負荷者；使役，〈美國〉信差，郵遞員；送報人；〈英國〉運輸行，運輸業者。2 傳書鴿...
  • 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. Through the reaserch of the paper, a satellite transmission and television signal incepting system using stabilization platform which is used on the moving carrier ( vehicle, boat, ship etc ) has been designed. it uses an embedded system which is based on arm7tdmi core microcontroller and c / os - ii real - time operating system to control and scout the movement of the antenna stabilization platform, can realize the real - timable and reasonable stance control of the antenna, and then can realize the real - time communications and the signal receiving between the satellite and the moving carrier

    3 .通過論文的研究，開發出了一種用於移動載體（車、船、艦等）上利用穩定平臺來進行衛星通信與電視信號接收的系統? ? 「動中通」移動載體衛星通信與電視接收系統。該系統採用基於arm7tdmi核微控制器和c / os - ii實時操作系統的嵌入式系統來控制天線穩定平臺的運動，可以實現對天線實時而合理的姿態控制，從而實現移動載體與衛星之間的實時通信和信號接收。
  2. 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。
  3. Recent research projects : one, multi - carrier cofdm dvb - t mobile tv transmission system. second, the military, public security wireless digital voice encryption image transmission network

    公司最近研發項目：一dvb - t多載波cofdm移動電視傳輸系統。二部隊公安無線數字加密圖像語音傳輸網路
  4. The rigs indlude special carrier ( developed by our company ), engine, hydraulic transmission, right angle gearbox, single ( double ) drum drawwork, rotary table transmission box, hydraulic drawworks, front and rear supporting frame, double - section hydraulic telescopic mast, crownblock, travelling hool, weight indicator, hydraulic, pneumatic and electrical system, etc

    專用底盤為載車，由專用汽車底盤、發動機、液力變速箱、角傳動箱、單（雙）滾筒絞車、轉盤傳動箱、液壓絞車、前支架、后支架、雙節液壓伸縮式井架、天車、游車大鉤、指重表、液壓系統、氣路系統、電器系統等組成。
  5. Aimed at the characteristics that multi - carrier transmission is sensitive to frequency offset and require high synchronization performance, firstly multi - carrier ofdm technique is introduced, the influence of synchronization offset to ofdm system is analyzed and two kinds of typical synchronization methods are given based on pilot and cp in the paper

    針對多載波傳輸對載波偏移敏感，對同步要求高的特性，論文首先介紹了多載波ofdm技術，分析了同步偏移對ofdm系統性能的影響，給出了基於導頻和循環前綴的兩種典型的同步方法。
  6. It is necessary in digital communication system that carrier recovery can compensate frequency offset and phase jitter brought by transmission and modulation. this paper is mainly focused on carrier recovery technique. we introduce the channel model at cable headed and receiving site. firstly, we introduce the principle of carrier recovery and give some algorithms of them, which are directed - decision, reduced constellation and frequency sweeping

    本論文緊緊圍繞著數字通信系統中的載波恢復技術，在介紹了有線通信系統所用的調制解調通道模型后，首先闡述了載波恢復技術的思想和基本原理，在此基礎上給出了三種載波恢復演算法，即判決導向演算法、簡化星座判決演算法和掃頻演算法，並且給出了其各自的模擬圖：然後深入研究了一種適合高階qam並且能糾正較大頻偏的載波恢復技術：極性判決演算法。
  7. The thin pulses of radio carrier wave cause currents to flow through the nervous system - the result is a remote transmission ; no wires or contact is needed

    這個細微的脈沖載波導致電流流到神經系統-結果是一個遠程的傳播，無線或聯系是需要的。
  8. Considering the bandwidth efficiency, the error rate performance and the complexity for realization together, we construct a digital transmission system with single - carrier modulation technique using the optimum premodulation filter. then the system parameters and performance indexes are prensent

    綜合考慮帶寬效率、誤碼性能和實現復雜程度以後，構建出基於單載波調制技術的無線數字傳輸系統，並給出系統參數和性能指標。
  9. A new system, named single carrier block transmission system, is introduced, variable equalization techniques are developed and the performance and complexities are compared

    介紹一種系統，稱為單載波塊傳輸系統，並研究了其各種均衡辦法，比較了它們的性能與復雜度。
  10. 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。
  11. System scheme of speech coding plus spread spectrum communication was presented based on a full analysis of noise characteristic, attenuation characteristic and impedance characteristic of low - voltage power line. spread spectrum carrier ( abbreviated as ssc ) technology is adopted to overcome problems existing in signal transmission over power line. high quality, low rate mbe compression algorithm was used to complete speech encoding and decoding

    在對低壓電力線路的噪聲特性、衰減特性和阻抗特性三個方面充分分析的基礎上，本文提出一種語音編碼+擴頻傳輸的系統總體方案，採用擴頻載波（ spreadspectrumcarrier ，縮寫為ssc ）技術克服電力線傳輸信號存在的問題，採用語音合成質量高並具有較低碼率的mbe壓縮演算法完成語音信號的編解碼。
  12. Carrier transmission system

    搬送波傳送方式
  13. The influences of losses in optical transmission systems on carrier optical signal propagation are studied by using the conservation law and the viral theorem of the nonlinear system in this paper

    摘要文章採用非線性系統的守恆律和位力定理對光傳輸系統中損耗對載波光信號傳輸的影響進行了研究。
  14. Then the author presents the structure and the working principle of digital loop carrier system, in other word, the application environment of quad el transceiver, and then the author highlights the role that quad el card plays in the whole system, consequently, the author introduces the systematical structure and features of arm embedded processor. concerning about the restrict requirement of time during data transmission, the author of this paper also introduces the fpga technology, which is used mainly for providing the system with accurate time

    接著敘述了數字環路系統的結構和工作原理，即四路e1收發器的應用環境，著重介紹了四路e1板卡在整個系統中所扮演的角色和嵌入式處理器arm的體系結構和特點，鑒于數據傳輸中對時鐘的要求比較嚴格，本文還介紹了fpga技術，應用它主要是為系統提供各個精確的時鐘。
  15. 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。
  16. Design and realization of a communication system with electric power transmission line as carrier channel

    9901在基本鎖相環中的應用
  17. Base on the chip - essc16 the hardware and software design of a low - cost, - cost, high - reliability power line carrier communication system are realized in the paper. the system has already applied in liaoning, hebei and shandong etc., the users are satisfactory with its communication reliability and transmission capability

    本文最後完成了基於esssc16載波晶元的電力線載波通信系統的物理層設計和軟體設計，該系統具有功能齊全、結構簡單、系統組建靈活的特點，目前已在遼寧、河北、山東等地安裝使用，在通信可靠性、傳輸質量上非常適合我國電力線現狀，用戶反映良好。
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