| 摘要 |
<p>A method for eliminating adjacent channel interference comprises: receiving a signal of a first channel, an interference signal of a second channel being remained in the signal of the first channel, and the second channel and the first channel being adjacent channels of each other; receiving a cancellation signal provided by the second channel and used for canceling the interference signal; filtering the received cancellation signal, so that the phase characteristic and the amplitude variation characteristic of the filtered cancellation signal are the same as the phase characteristic and the amplitude variation characteristic of the interference signal of the second channel remained in the signal of the first channel; adjusting the frequency of the filtered cancellation signal, so that the frequency of the adjusted cancellation signal is the same as the frequency of the interference signal; multiplying the cancellation signal having the adjusted frequency with a gain factor, so as to obtain a signal to be cancelled; and subtracting the signal to be cancelled from the signal of the first channel to eliminate the interference signal, so as to obtain a signal to be decoded. The technical solution provided by the embodiment of the present invention can eliminate the interference signal from an adjacent channel, thereby improving the signal to noise ratio.</p> |
