載波波道 的英文怎麼說

中文拼音 [zǎibōbōdào]
載波波道 英文
carrier channel
  • 載 : 載Ⅰ名詞（年） year : 一年半載 six to twelve months; six months to a year; 三年五載 three to five ...
  • 波 : Ⅰ名詞1 （波浪） wave 2 [物理學] （振動傳播的過程） wave 3 （意外變化） an unexpected turn of even...
  • 道 : Ⅰ名詞（道路） road; way; route; path 2 （水流通過的途徑） channel; course 3 （方向; 方法; 道理） ...
  • 波波 : bboo
  1. A channel estimator for multi - carrier system in fast time - varying fading channels

    一種快時變通道下多載波傳輸系統的通道估計方法
  2. Technical specification for nicam - 728 digital audio signal transmission with satellite tv channel subcarrrier

    Nicam - 728衛星電視通道副載波傳送數字聲技術規范
  3. In this thesis, for the merits of high frequency spectrum utility factor and high - speed data communication, the ofdm is introduced into the underwater acoustic communication. combined with fec to combat the frequency - selective fades and isi in the underwater acoustic channel, high speed data transmission is realized by employing ofdm technology

    本研究嘗試將ofdm技術引入水聲通信領域，利用該技術頻譜利用率高，多載波并行傳送的特點，結合通道編碼，以克服水聲通道多徑干擾引起的頻率選擇性衰落和碼間干擾，獲得高速率數據傳輸。
  4. Its main contributions include the following several aspects : firstly, the dissertation constructs the mathematic model of short baseline orientation determination using two geostationary satellites and analyses the applicable conditions of carrier phase interferometry. orientation determination precision is analysed in depth through both the conventional linearized method and monte - carlo computer simulation method, and the mathematical simulation results show that the linearized method has the shortcoming of fairly low elevation error analysis precision in high latitude area so as not to be very appropriate there. by analyzing the definite factors influencing orientation precision, the dissertation develops the concept of orientation dilution of precision, which uncovers the internal cause of exotic error behavior of bi - satellite orientation, and has important guiding significance for practical engineering applications

    本文系統地研究了基於「北斗一號」衛星載波相位干涉測量原理實現地球靜止雙星定向的相關技術，主要研究成果包括以下幾方面:首先，建立了利用兩顆地球靜止軌道衛星進行短基線定向的數學模型，分析了載波相位干涉測量的適用條件;採用傳統的線性化解析法及蒙特卡洛隨機模擬法兩種途徑對雙星定向的精度進行了詳細分析，數學模擬結果表明在高緯度地區線性化解析法由於俯仰角誤差分析精度略有下降而不太適合;在分析定向精度確定性影響因素的基礎上，提出了雙星定向精度衰減因子odop的概念，揭示了雙星定向誤差特殊表現的內部機理，對實際工程應用具有重要的指導意義。
  5. Chcs channel carrier common supply

    通道載波共用電源
  6. Firstly, the airborne electromechanical system, the development of bus protocol, power line channel and power system are described in the dissertation ; secondly, the algorithm of qpsk and root raised cosin are discussed ; thirdly, the designation of the hardware and software of the modem board, based on qpsk, built up with dsp and cpld are given. the high - speed data transporting card of airborne electromechanical communication system, which is based on plc, are put forward in our country

    本文介紹了飛機電力線載波數據通信系統的結構，並對低壓電力線的通道特性進行了分析；對qpsk調制演算法及均方根升餘弦低通濾波演算法進行了詳細論證；設計出基於qpsk的調制解調模塊，並在此基礎上，研製出以dsp和cpld為最小系統的調制解調硬體電路板，開發了調制解調模塊電路板的應用軟體程序。
  7. In this paper, after introduction of the code division multiple access ( cdma ) and orthogonal multicarrier ( mc ) technique, the system model of mc - cdma is analyzed and the bit error rate ( ber ) performance in downlink and uplink channel is shown in awgn channel by computer simulation

    本文在碼分多址技術和正交多載波技術原理基礎上，分析了高斯白噪聲通道中多載波碼分多址（ mc - cdma ）系統的數學模型，並且使用不同的擴展碼對下行通道和上行通道誤碼率性能分別作了計算機模擬分析。
  8. Yang qixun. distribution automation and its realization in china [ j ], ieee international conference on electricity distribution, shanghai, 2000

    焦邵華，劉萬順等.配電網線路故障時的載波通道衰耗分析[ j ] .電力系統自動化， 2000 （ 9 ）
  9. Carrier current channel

    載波通道
  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. In addition, the anti - jamming circuit in power line and design schema in allusion to the jamming of plc channel are analysed. from the point of view of the system, these measures are testified effectively in pratice

    另外，分析了低壓電力載波通道的干擾，研究了電力線上抗干擾電路及實施方案，從系統分析角度來看，措施是經濟而有效的。
  12. Considering the requirement of communication network, a local area computer communication system of plc based on usb interface was given after analyzing the application model of plc. then after theoretical analysis and digital simulation, the plc modem and the computer interface models were designed. the design of software about the two models was also finished

    本文首先介紹了電力線通信技術在國內外的研究概況，分析了電力線載波通道的傳輸特性，討論了適合於電力線通信的擴頻載波通信方式，然後結合通信網路的要求，在分析電力線通信應用模式的基礎上，提出了一種基於usb介面的室內計算機電力線通信方案，進行了理論上的分析和數字模擬，設計了電力線modem模塊和計算機介面模塊，編制了相應的軟體程序，並對軟體進行了測試分析。
  13. After analyzing the noise in the high frequency carrier channel and computing the parameter of channel, we solved the kernel problems of coupling and matched impedance. separate designing the power, power amplification, port, transceiver and other circuits, we fitted together all circuits become the whole lonworks node circuit, and then triumphantly debugged it

    經過對高頻載波通道的干擾特性分析和線路參數的計算，解決了耦合和阻抗匹配等核心問題，並對電源、功放、介面、收發器等部分電路分別設計，最後形成了完整的lonworks節點硬體電路，並調試成功。
  14. Design and implement of the host computer software in power - line high frequency carrier wave channels test device

    電力線高頻載波通道測試裝置上位機軟體設計與實現
  15. At last, an intelligentized testing instrument for electric wire high frequency carrier wave channels is developed

    在此基礎上，研製開發出了一套智能化電力線高頻載波通道測試裝置。
  16. Abstract : the constitution of radio - frequency carrier channel is described, the effects of the components on the radio - frequency signals are analyzed and corresponding solutions are proposed

    文摘:講述了組成高頻載波通道各個環節的結構及作用，分析了它們對高頻信號的影響，提出在非正常工作情況下的解決辦法。
  17. Domestic satellite communication earth stations - general technical requirements part 5 : intermediate data rate digital carriers

    國內衛星通信地球站總技術要求第五部分:中速數據數字載波通道
  18. Domestic satellite communication earth stations - gereral technical requirements - part 4 : television frequency modulation carrier channel

    國內衛星通信地球站總技術要求第4部分:電視調頻載波通道
  19. Derived from the scientific research project - " intellectual carrier - wave channel testing instrument for electric circuitry ", this project has passed appraisement made by authority department and all testing results approached or exceeded anticipated targets

    本項目來自於湖南省電力試驗研究所科研項目「智能化電力線載波通道測試裝置」 。該裝置現已通過權威部門鑒定，各項測試結果達到或超過預期指標。
  20. In this paper the characteristic of the carrier channels are discussed and that the primary measure of improving reliability of power line communication is to establishing a real time adaptive system, include the adaptive channel - balance and auto - repeat the proposed

    本文討論了低壓電網的載波通道特性，提出了提高電力線通信系統可靠性的根本措施在於自適應控制，主要包括通道均衡自適應和自動中繼自適應。
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