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Volume 28 Issue 5
Aug.  2010
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He Jun, Guo Wei. A New Method for Eliminating the Carrier Phase Equivocation of VV Algorithm[J]. Journal of Electronics & Information Technology, 2006, 28(5): 836-839.
Citation: He Jun, Guo Wei. A New Method for Eliminating the Carrier Phase Equivocation of VV Algorithm[J]. Journal of Electronics & Information Technology, 2006, 28(5): 836-839.

A New Method for Eliminating the Carrier Phase Equivocation of VV Algorithm

  • Received Date: 2004-10-14
  • Rev Recd Date: 2005-03-28
  • Publish Date: 2006-05-19
  • The VV algorithm is very suitable for carrier synchronization of burst signal. After VV algorithm, a post processing is needed for eliminating the phase equivocation which is brought by the residual frequency and the cycle slip can be avoided. In this paper, a new post processing method is put forward. It has a good effect on the phase equivocation brought by both residual frequency and noise. Contrast to some other methods, it reduces the probability of cycle slip greatly. Simulation results prove that this method had a good performance and can apply to the demodulation of MPSK burst signal.
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  • Viterbi A J, Viterbi A M. Nonlinear estimation of PSK-modulatedcarrier phase with application to burst digital transmission. IEEE Trans. on Information Theory, 1983, IT-29(4): 543551. .[2]Paden B E. A matched nonlinearity for phase estimation of a PSK-modulated carrier. IEEE Trans. on Information Theory, 1986, IT-32(3): 419.422.[3]Fitz M P. Equivocation in nonlinear digital carrier synchronizers[J].IEEE Trans. on Communications.1991, 39(11):1672-[4]郑大春,项海格. 彻底消除相位检测中的弧度跳变问题. 电子测量技术, 1996, (4): 15.
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