carrier recovery 中文意思是什麼

carrier recovery 解釋
載波恢復
  • 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...
  • recovery : n. 1. 重獲；復得；恢復，收回，回收。2. 還原，復原；痊癒；蘇生；矯正。3. 回縮。4. 填地。5. 【法律】勝訴。
  1. 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。
  2. If the carrier obeys the orders of the shipper for the disposition of the cargo without requiring the production of the part of the air waybill delivered to the latter, he will be liable, without prejudice to his right of recovery from the shipper, for any damage which may be caused thereby to any person who is lawfully in possession of that part of the air waybill

    承運人按照托運人的指示處理貨物，沒有要求托運人出示其所收執的航空貨運單，給該航空貨運單的合法持有人造成損失的，承運人應當承擔責任，但是不妨礙承運人向托運人追償。
  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. This paper is about algorithms of carrier recovery used in dvb - c channel receiver system and its implementation in asic ( application specific integrated circuit ). the first chapter gives an overview of digital hdtv and its development, then focus on the dvb - c system, finally talks about the technology involved in asic

    第一章首先概述了數字電視及其發展，接著重點介紹了dvb - c有線電視傳輸系統，並對專用集成電路（ asic ）設計的發展、流程及將來的趨勢? ? soc的設計技術作了概述。
  5. 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。
  6. 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。
  7. Under a unified model of carrier transport over trap state established potential barrier at drain side, device degradation behavior such as asymmetric on - current recovery and threshold voltage degradation can be understood

    我們通過載流子在漏極附加陷阱態勢壘的輸運模型，解釋了器件在應力后出現的閾值電壓的退化現象和非對稱性開態電流恢復現象。
  8. Similar to hot carrier degradation, asymmetric on - current recovery was also observed and discussed. device degradation behaviors are compared in low vd - stress and in high vd - stress condition

    在自加熱退化中我們也發現了類似熱載流子退化中的非對稱性恢復現象，並對其退化特點和模型進行了討論。
  9. 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。
  10. A fast carrier recovery circuit for high - order qam

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

    的載波恢復演算法
  12. 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
  13. 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。
  14. 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。
  15. The third chapter discusses all kinds of algorithms of carrier recovery. after analyzing their characteristics and differences, it brings forward the algorithm & structure applicable for dvb - c system, followed by performance curve

    第三章重點討論了各種載波同步演算法並分析各自的優缺點，然後提出dvb - c接收晶元中載波環的實現方案，並給出模擬性能曲線。
  16. The fourth chapter is the implementation part of carrier recovery in asic, including structure division, hardware design logic synthesis and verification. the asic design skills oriented to synthesis and dft ( design for test ) are discussed in the end

    第四章給出載波同步在asic設計中的具體實現，包括結構劃分、硬體設計、邏輯綜合和驗證等，最後討論了面向綜合的asic設計技巧和可測性設計。
  17. This paper focus on the key techniques of digital spread and despread spectrum communication system, which includes high speed adc of digital if, digital down converter, digital pn code matched filter and carrier recovery of digital demodulation

    本文結合stel - 2000a對全數字化擴頻、解擴中的關鍵技術進行了研究。主要包括數字中頻中的a / d變換、數字下變頻、數字匹配濾波器以及數字化解調中的載波跟蹤技術等。
  18. The main contributions of this paper are proposing the algorithm and asic implementation scheme of carrier recovery applicable for dvb - c system. it also discusses the asic design skills for synthesis and dft according to practical experiences

    本文的主要貢獻在於分析研究了各種載波同步演算法，提出適用於dvb - c傳輸系統的實現演算法及結構，給出具體的asic實現，並結合實際經驗討論了面向綜合的asic設計技巧和可測性設計。
  19. Lastly, the ml criterion is used to analyze the nda timing offset estimation algorithms. two symbol synchronization methods that use feedback and feed - forward timing offset estimation algorithms are discussed and simulated. based on the ml criterion, chapter 5 analyzes some carrier recovery algorithms and proposes a nda frequency offset estimation algorithm

    首先簡要介紹了載波同步參數的最大似然估計理論，在此基礎上對一些具有代表意義的載波頻差估計演算法進行了深入分析，並提出一種寬估計范圍、低實現復雜度的非數據輔助載波頻差估計方法。
  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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