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Volume 27 Issue 8
Aug.  2005
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Shuai Tao, Liu HuiJie, Liang XuWen, Yang GenQing. The Design of DPLL for Low SNR Signals with Large Frequency Offset[J]. Journal of Electronics & Information Technology, 2005, 27(8): 1208-1212.
Citation: Shuai Tao, Liu HuiJie, Liang XuWen, Yang GenQing. The Design of DPLL for Low SNR Signals with Large Frequency Offset[J]. Journal of Electronics & Information Technology, 2005, 27(8): 1208-1212.

The Design of DPLL for Low SNR Signals with Large Frequency Offset

  • Received Date: 2004-03-15
  • Rev Recd Date: 2005-01-17
  • Publish Date: 2005-08-19
  • The digital phase-locked loops design is a key technology for carrier and bit synchronization in coherent demodulation digital receiver. Large frequency offset and low SNR add more difficulties of the loop design from two different ways. Based on this condition, aim at fast acquisition and tracking, a method of digital loop parameter algorithm is proposed in this paper and some useful conclusions are given.
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  • 张厥盛,郑继禹,万心平.锁相技术.西安:西安电子科技大学出版社,1992:5-6,20-23.[2]John G. Proakis. Digital Communications. 3rd Ed., New York: Mc Graw-Hill, Inc., 1996: chapter 6.[3]Vilnrotter V, Gray A Lee. Carrier synchronization for low signal-tonoise ratio binary phase-shift-keyed modulated signals. TMO Progress Report: 42 - 139.[4]Ascheid Gerd, Meyr Heinrich. Cycle slips in phase-lock loops: a tutorial study. IEEE Trans. on Comm., 1982, COM-30(10): 2228-2241.[5]Viterbi A J. principles of Coherent Communications. New York:McGraw-Hill, 1966, chaper 2.[6]Jaffe R, Rechtin E. Design and performance of false-lock loops capable of near-optimum performance over a wide range of input signal and noise levels. IRE Trans. on IT, 1965, IT-1(3): 66-72.[7]Bong-Young Chung, Charles Chien, Henry Samueli. Performance analysis of an all-digital BPSK direct sequence spread-spectrum IF receiver architecture[J].IEEE J. on Selected 4reas in Communications.1993, 11(7):1096-[8]Ali I, Al-Dhahir N, Hershey J E. Dopplercharacterization for LEO satellites[J].IEEE Trans. on Communications.1998, 46(3):309-
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