NEW DSP TYPE PHASE SYNCHRONIZER WITH THE METHOD OF LEAST SQUARES.

Masafumi Hagiwara, Masao Nakagawa

研究成果: Conference article査読

抄録

A digital signal-processing (DSP)-type phase synchronizer based on the method of least squares (PS-MLS) is proposed that can replace the conventional circuits for phase synchronizers, such as phase-locked loops (PLLs). The construction of PS-MLS is different from that of PLLs. The proposed PS-MLS has advantageous characteristics compared with the conventional DSP-type PLLs and can satisfy three important points of PLLs simultaneously: fast acquisition, wide pull-in range, and good noise suppression. Only two steps are required for the acquisition (in a noise-less case), the condition to accomplish synchronization is relaxed, and is equal to the sampling theorem (fi greater than equivalent to 2fs), and the noise suppression performance is greatly improved compared with the conventional PLL.

本文言語English
ページ(範囲)1882-1885
ページ数4
ジャーナルICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings
出版ステータスPublished - 1988 1 1

ASJC Scopus subject areas

  • Software
  • Signal Processing
  • Electrical and Electronic Engineering

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