carrier transmission 中文意思是什麼

carrier transmission 解釋
載波傳導
  • 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；...
  1. 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。
  2. In digital communication, a transmitted carrier signal that consists of the12 single sidebands being sent over the transmission circuit

    在數據通信中，一種傳輸載波信號，由傳輸電路上發送的12個單邊頻帶組成。
  3. Single carrier frequency domain equalization for high data rate transmission systems over frequency selective fading channels

    頻率選擇性通道下高速數據傳輸中的單載波頻域均衡技術
  4. There are many reasons to explain the fact why america ’ s constitutionalism mode failed to be transplanted to china. the thesis elaborates the failure from the perspective of incomplete transmission, namely, the lack of social background of transmission, repellency of traditional culture, the carrier of religion as the transmitting means, obstacles from language and culture, geographical disadvantages, and america ’ s situation at that time, etc. based on all factors mixed together, america ’ s constitutionalism mode just penetrated into china ’ s political structure in ideaistic layer

    其中的原因是多方面的，本文僅從美國憲政思想在清末的傳播並不充分的角度進行探討，即從缺乏傳播的社會基礎、傳統文化的排斥、以宗教為載體的傳播方式、語言和文化上的障礙、地理的阻隔、美國國勢等方面加以分析，以期說明阻礙清末改制選擇美國憲政模式的某些客觀緣由。
  5. Chapter 3 treats the algorithm implementation of demodulator in the receiving asic of dvb - s. in detail, demodulation includes carrier recovery and symbol synchronization. together with the transmission characterization of band - limited input signals the chapter proposes a scheme for implementing carrier recovery loop

    解調具體分為載波恢復、時鐘同步兩大部分，本章著重論述了載波恢復的原理並結合dvb - s輸入信號傳輸特性，提出了相應的實現方案，對部分電路進行了性能分析。
  6. 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。
  7. Multiband transmission permits a reduction in error probability in exchange for at least a twofold increase in bandwidth and carrier power

    多頻帶寬傳輸能降低誤差概率，但其代價是速度及載波功率至少增加一倍
  8. Characteristics of mv distribution - line carrier transmission and analysis on it ' s practical application

    中壓配電線載波傳輸特性及實用化分析
  9. Deliberate interference of a transmission on one carrier by transmission on another approximately equal carrier, with wobble or noise modulation

    用波動或噪聲調制另一個近似相等的載波傳輸，人為地干擾一個載波的傳輸。
  10. The former realizes steady transmission of signal by testing and analysing the carrier channel ' s frequency characteristic

    前者是通過對載波通道的頻率特性時變性測試、分析，實現信號平穩傳輸。
  11. This paper presented a general systematic view, application and current development of the power line carrier transmission technology, and clearly compared some existing power line carrier communication chip with each other. then the authors analyze the channel " s characters of low voltage power line, and formed an abstract carrier channel model. using this as its basis, a new kind of transmission technology is designed that adopted transmission technology combining the spread spectrum modulation with channel coding, which can solve the problems above mentioned to a certain degree, and need not pay for high cost

    文章不僅全面地介紹了電力線載波通訊技術的特點、應用及其發展狀況，還對目前的電力線載波通訊晶元進行了比較；並通過對低壓電網通道特性的分析和研究，抽象出其載波通道模型，在此基礎上，提出了將擴頻調制和通道編碼相結合的傳輸技術用於低壓電力線載波通信，這可以在很大程度上解決電力線的干擾問題，且不必付出高昂的代價。
  12. 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。
  13. Ansi ' s standard for telecommunications network performance standards, switched exchange access network transmission performance standard exchange carrier - tointerexchange carrier standards

    電信網路性能標準、可交換的交換機訪問網路傳輸性能標準以及長途電信公司的ansi標準。
  14. To avoid excessive transmission distortion, the bandwidth between transmitter and receiver must be at least twice that with digital carrier modulation

    為避免過量的傳輸失真，發射機與接收機之間的帶寬至少要兩倍于數字載波調制的帶寬
  15. 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。
  16. With the development of research, single carrier transmission systems are found with similar equalization techniques and superiorities

    隨著研究的深入，發現單載波系統也有類似的均衡辦法與優點。
  17. Due to the multi - carrier transmission technology used in mc - cdma systems, almost all the previous synchronization algorithms in mc - cdma systems are derives from that in ofdm systems. they are suitable for ofdm systems, but they are not optimal for mc - cdma systems. the data symbols transmitted in mc - cdma systems have form of cdma signal, which is greatly different from normal binary signal

    傳統的各種mc - cdma同步演算法主要還是借鑒了ofdm的同步演算法，本文提出採用用戶擴頻碼作idft后在fft之前作同步，充分利用了ofdm信號中所包含的mc - cdma信號形式，它與純粹的ofdm傳輸的二進制數據不同，它與pn序列具有更好的相關性。
  18. Carrier transmission system

    搬送波傳送方式
  19. Multi - carrier adaptive multilevel modulation technology maybe regards as a kind of transform combination by n single - carrier adaptive multilevel modulation technology approximatively. multi - carrier transmission can improve performance of the attenuation consumedly but single - carrier transmission ca n ' t

    多載波自適應多元調制可以近似看成由n個單載波多元調制的變換組合，但由多載波傳輸對衰落的改善是單載波傳輸所不能比擬的。
  20. Chapter 3 studied the results that come from the combination of the multi - carrier transmission technology and the adaptive multilevel modulation technology in detail, and bringed up to apply the technology to wireless channel transmission. the feasibility and advantage been testified by computer simulink

    第三章詳細討論了多載波傳輸和自適應多元調制相結合的效果，提出將這種技術應用於無線通道傳輸的想法並模擬證明其可行性和優越性。
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