| 摘要 |
To adjust operating characteristics of a first antenna and a second antenna to receive a magnetic signals transmitted by a third antenna, a first magnetic signal from the first antenna. The first magnetic signal is received at the third antenna. A second magnetic signal is transmitted from the second antenna. The second magnetic signal is received at the third antenna. A gain of the first antenna is adjusted in response to an indication of signal quality of the first magnetic signal received at the third antenna. A gain of the second antenna is also adjusted in response to an indication of signal quality of the second magnetic signal received at the third antenna.
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