載波恢復 的英文怎麼說

中文拼音 [zǎibōhuīfù]
載波恢復 英文
carrier recovery， carrier rei ertion
  • 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...
  • 復 : Ⅰ形容詞1 （重復） repeated; double; duplicate 2 （繁復） complex; compound Ⅱ動詞1 （轉過去或轉過...
  • 載波 : signal carrier; carrier wave; carrier: 3路載波 three channel carrier載波傳輸 carrier transmission...
  1. As a result, pseudorandom code acquisition and tracking, carrier recovering, error correction and decoding functions are needed in the if digital receiver

    因此，其中頻數字接收機需要完成偽隨機碼捕獲跟蹤、載波恢復、糾錯譯碼等功能。
  2. 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。
  3. Carrier recovery is an important part of demodulators

    載波恢復單元是解調器的關鍵部分。
  4. In a tdma network, multiple users share the common medium ( or channel ) and bandwidth but different intervals of time. in case of the burst mode, the carrier of the modulated signal needs to be synchronized in a very short time. the common approaches such as a costas - loop and so on are no longer suitable any more

    在一個時分多址（ tdma ）通信網路中，多個用戶通過不同的時間段共享一個傳輸線路（或者通道）的帶寬資源，每個用戶只能在分配給自己的時間段內進行通信，這種突發方式信號的解調要求載波恢復要在很短的時間內完成，我們以往在連續信號解調器中採用的costas環等方法很難適應這種要求。
  5. The digital base - band cdma transmitting and receiving scheme is put forward. the scheme uses a technique called as zero medium frequency without the need of pn codes synchronously are resumed

    提出了具有免偽碼同步恢復、免載波同步提取、免位同步的零中頻cdma數字基帶發送、接收方案。
  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. It applies an interval method to select element in the evolutionary structure optimization method ( eso ), and recovers or deletes element by the “ birth and dead ” function of element. another method viewed as second order smoothing technique for suppressing the checkerboard patterns has been proposed based on the filtering function ’ s principle. then the above methods are applied to solve a temperature - controlling problem in the steady heat conducting field and a multi - objective topology optimization problem considering multiple load cases and coupled effect

    本文基於ansysparametricdesignlanguage （ apdl ） ，提出漸進結構法中應用區間法進行單元的篩選，通過單元「生死」的功能實現單元的恢復與刪除，根據濾波函數法原理提出修改的二階棋盤格處理方法，並就穩態熱傳導溫度控制問題，考慮熱、力耦合的多載荷工況的多目標拓撲優化設計問題進行求解。
  8. And their performances are compared by simulation. the realization of phase - coherent modulation is studied, especially the carrier recovery. in order to improve the system performance, we consider a receiver which performs optimal phase synchronization and channel equalization jointly

    本文詳盡的研究了線性和非線性自適應均衡器的橫向結構和典型演算法（ lms和rls ） ，對其性能進行了模擬比較；對相位相干調制解調技術的實現，尤其是載波恢復的方法進行研究，將載波恢復系統和自適應均衡器的參數調整聯合起來，從而提高相干水聲通信系統的性能。
  9. These results prove that the design method has great affection to reduced timing jitter. at the same time, simulate the convergence characteristic of timing recovery loop which is added prefilter when the input qam

    同時還模擬了加預濾波器后定時恢復環路在有載波誤差、交叉串擾情況下的收斂情況，證明了所設計定時恢復環路是正確的。
  10. 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。
  11. In the second part, the necessity of employing differential demodulation in rapid changing channel was explained, performance of multiple symbol detection of mdpsk and decision feed back multiple symbol detection were analyzed. then we present a new differential demodulation algorithm. the decision data is used to recover the carry phase. given the same observation intervals, this demodulation algorithm has almost the same performance, but the receiver is much more simplified

    第二章首先指出了通道參數變化劇烈的情況下，採用差分解調的必要性；分析了多碼元差分解調和數據判決反饋解調演算法的性能和抑制噪聲的能力；在此基礎上提出了一種新的差分解調方案：利用判決數據輔助進行載波恢復，即在判決數據的輔助下，採用fir （ finantimpounsrespouns ）結構對載波相位進行預測的一種演算法，精心設計了該演算法的實現結構。
  12. Then time domain synchronization including symbol, frequency and carrier synchronization algorithms is discussed according to the characteristics of frame structure in merged scheme. at the same time, pointed out its merit that high rate of spectrum utilized and rapid synchronization retrieved. and simulation and much improvement are done to realize the algorithms in project

    然後根據融合方案的幀結構的特點，分析和探討了時域同步演算法，包括符號同步、載波頻率同步和采樣同步演算法原理，指出時域同步有頻譜利用率高，同步恢復快等優點，並對其進行了工程可實現的改進和模擬。
  13. Take this as the premise, this article has constructed one kind synchronous system on the based of the software radio thought, this synchronous system has realized the qam receive signal symbol synchronization and the carrier recover

    以此為前提，本文構建了一種基於軟體無線電思想的同步系統，此同步系統實現了qam接收信號的符號同步和載波恢復。
  14. A fast carrier recovery circuit for high - order qam

    的快速載波恢復電路
  15. A carrier recovery algorithm for high order qam

    的載波恢復演算法
  16. A joint algorithm of adaptive equalization and carrier recovery for high - order qam and its implementation

    的自適應均衡與載波恢復混合演算法及硬體實現
  17. This paper describes the implementation scheme of carrier recovery for dvb - s. performance is validated by computer simulation. such algorithms can be extended to other receivers of single carrier systems

    摘要對dvb - s載波恢復給出較為詳細的實現方案，通過模擬驗證性能，得出該結果可以擴展到其他單載波系統接收機中。
  18. This dissertation focuses on the carrier recovery in high dynamic navigation receiver, the effect of iq mismatch in direct down conversion receiver and the signal to noise ratio estimator in navigation receiver

    本文以二代衛星導航定位系統為應用背景，著重研究了接收機中的載波恢復技術、 iq非正交對偽碼和載波影響的模型、載噪比估計技術。
  19. This article take the synchronous system in the dvb - c receive front - end as a center. detaile discussing symbol synchronization and carrier recover, discussed with emphasis based on the software radio thought algorithm

    本文以dvb - c接收前端的同步系統為中心，詳細的討論了符號同步和載波恢復，重點研究了基於軟體無線電思想的演算法。
  20. It accomplishes the carrier recovery of the signal by software processings. in this dissertation we discuss mainly about the open - loop estimator, and the software radio ideas and applications in demodulation fields are mentioned too. the simulation and the conclusion are given at the end

    本文主要研究了採用開環結構進行載波恢復的相位估計法，並對軟體無線電在解調領域中的一些思想和應用進行討論，在文章最後對[文獻2 ]提出的演算法進行了模擬、分析，並給出了模擬結論。
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