頻偏載波 的英文怎麼說

中文拼音 [bīnpiānzǎibō]
頻偏載波 英文
off frequency carrier
  • 頻 : Ⅰ形容詞（次數多） frequent Ⅱ副詞（屢次） frequently; repeatedly Ⅲ名詞1 [物理學] （物體每秒鐘振動...
  • 偏 : Ⅰ形容詞1 （不正; 歪斜） inclined to one side; slanting; leaning 2 （只側重一面） partial; prejudi...
  • 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...
  • 載波 : signal carrier; carrier wave; carrier: 3路載波 three channel carrier載波傳輸 carrier transmission...
  1. E., the carrier frequency of a gaussian beam deviates from the resonant frequency of a fabry - perot etalon ), variations of the peak intensity, the position of the peak intensity and the dwdm systems, has received considerable attention. in this work, after taking into account the wavelength - depended reflectivity distribution profile of a fiber bragg grating, the oscillation wavelength # _ ( 1 ) of long external cavity fiber bragg grat

    與共振情況（即高斯光束的載波頻率與法布里一拍羅濾波器的諧振頻率一致）相比，非共振條件（即高斯光束的載波頻率與法布里一拍羅濾波器的諧振頻率存在偏差）一透射光束的峰值強度、峰值強度所對應的位置、以及光斑的大小隨入射角的變化都發生了顯著的改變。
  2. 11a framing structure. secondly, we analyze the frequency estimation algorithm in ieee 802. lla standard

    Ofdm對載波頻偏十分敏感，接收機的頻偏估計能力是影響ofdm接收性能的重要因素。
  3. An algorithm of carrier frequency estimation of qam signals

    信號載波頻偏估計演算法
  4. Carrier frequency offset

    載波頻率偏置
  5. Analysis of the carrier frequency offset of filterbank - based multi - modulation

    基於波濾器組的多載波調制頻偏分析
  6. 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。
  7. An algorithm for estimating frequency deviation of high order qam carrier

    信號載波頻偏估計演算法
  8. A fast fourier transform algorithm to estimate carrier frequency deviation

    快速傅里葉變換載波頻偏估計演算法
  9. Analysis of nonlinear transformation in frequency offset estimation for qam signals

    載波頻偏估計的非線性變換分析
  10. Carrier deviation meter

    載波頻偏計
  11. 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。
  12. Some modulation parameters, such as the carrier frequency and the symbol rate, can be estimated prior to the recognition of modulation types. such other parameters as the modulation index, the modulation frequency deviation, and the signal broadband can be further estimated after recognition

    部分調制參數如載波頻率、符號速率在識別之前獲得，在識別完成之後可以進一步估計調制指數、調制頻偏、信號帶寬等其餘參數。
  13. A pilot subcarrier - based joint frequency offset correction and channel estimation method for ofdm systems

    系統中一種基於導頻子載波的聯合頻率偏移糾正和通道估計方法
  14. For carrier synchronization, a method of estimating the ofiset of carrier frequency has been presented, which has a more broad range of the estimated oflset of carrier fiequency and more accurate result man other methods, then, a method of estimating the carrier complex phase has been presented, which corrects directly the ofiset of carrier phase

    對于全數字接收機中的載波恢復，先提出了一種估計范圍寬、估值精度高的載波頻偏估計演算法，接著介紹了一種可以直接對載波相位偏差進行補償的復相位估計方法。
  15. Based on the coherent reception theory of radio signals and the theory of digital signal processing, the effects of carrier frequency offset, sampling clock offset, and symbol timing offset on ofdm signals are exploited. a series of amendments and new algorithms is derived from the in being algorithms of guard interval based symbol timing and frequency offset estimation, frequency - domain frequency offset, sampling offset, and symbol timing offset estimation

    以無線信號的相干接收和數字信號處理理論為基礎，就載波頻偏、采樣鐘偏差和符號定時偏差對ofdm信號的影響進行了分析，對基於保護間隔的符號定時與載波頻偏估計演算法和多種現有頻偏、采樣鐘與符號定時偏差的頻域估計演算法進行了研究，提出了一系列改進措施與新演算法。
  16. With the downlink simulation model constructed, performance of wideband cdma under different radio propagation environment and vehicular speed is simulated. based on system model of mc ds cdma under flat fading channel with relative shifts of spreading sequences within 1 chip and frequency selective fading channel with arbitrary relative chip shifts, performance of multicarrier cdma system with go sequences under different radio environment is investigated

    基於多載波直接序列碼分多址在乎坦衰落通道中序列偏移小於1個碼片及在頻率選擇性衰落通道中偏移任意個碼片的系統模型，本文還分析了採用廣義正交序列的多載波碼分多址系統在不同無線傳播環境下的性能。
  17. Chapter three provides synchronization algorithms in dvb - t cofdm receiver, including symbol timing recovery, carrier frequency error estimation and sampling timing recovery. chapter four introduces some channel estimation algorithms based on interpolation in dvb - t receiver. five estimators are compared, in terms of mean - squared error both in rayleigh channel and ricean channel

    第三章首先討論了由於載波頻率偏差、符號定時偏差和采樣定時偏差對ofdm系統所造成的影響和干擾，然後針對dvb - t系統的cofdm接收機方案，分別給出了符號定時同步、頻率同步以及采樣鐘同步的實現演算法，並對它們的性能進行了分析模擬。
  18. Normally, we search the frame synchronization through computing the peak of self - correlation. because of frequency offset, the peak of self - correlation maybe vanishes. first, this thesis presents a solution trough compute the peak of auto - correlation basing on the standard 802

    針對傳統相關檢測對載波頻偏偏差敏感的問題，根據802 . 11a傳輸的幀結構特點，這兒提出了共軛互相關檢測的幀同步演算法，從而消除載波頻偏對幀同步相關檢測的影響。
  19. The task of carrier synchronization is tracking the frequency and phase of a carrier wave, the most effective means for tracking small frequency deviation and the phase of a carrier is using the phase - locked loop ( pll )

    載波同步的任務就是跟蹤載波的頻率和相位，對于載波相位及小頻偏的跟蹤，最有效的方式是使用鎖相環。
  20. This thesis deals with the synchronization technologies for all digital receiver, particularly carrier offset estimation for mpsk signal

    本文研究全數字接收機中的同步技術，重點是mpsk信號的載波頻偏和相位誤差的估計和恢復演算法。
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