| 摘要 |
A frequency synchronization method comprise a first step of detecting a frequency error which occurs when a high-frequency receiving signal is converted into a digital signal of a base-band, performing rounding or discarding processing and generating a local oscillation signal depending on the converted analog signals, a second step of generating a digital signal whose frequency depending on a discard component obtained by the rounding or discarding processing when the rounding or discarding processing is performed, and a third step of canceling a frequency component of the digital signal which is generated by the second step from a frequency component of the digital signal of the base-band.
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