| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a frequency error estimation device capable of estimating a highly accurate frequency error without being affected by noise. Ž<P>SOLUTION: The frequency error estimation device includes: a first frequency error estimation circuit; a second frequency error estimation circuit whose frequency error estimation range is narrower than that of the first frequency error estimation circuit, and whose center frequency can be changed; and a correction circuit which controls the center frequency of the second frequency error estimation circuit based on a first frequency error estimated value to be output from the first frequency error estimation circuit, and outputs a second frequency error estimated value to be output from the second frequency error estimation circuit. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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