| 摘要 |
A method for estimating a DC offset in a received signal, the method comprising: detecting a plurality of zero crossings of the signal ( 220 ); determining a variable time window ( 235 ) based upon a predetermined number of said detected zero crossings ( 230 ); estimating the DC offset ( 240 ) of the signal in the variable time window from at least one minimum amplitude and at least one maximum amplitude of the signal ( 215 ) in the variable time window.
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