| 摘要 |
<p>An energiser which includes an apparatus for generating a pulse train which includes a plurality of pairs of pulses at predetermined time intervals, each pair of pulses including a first pulse of a first amplitude and a first polarity and a second pulse, which is produced substantially simultaneously with the first pulse, and which is of a second amplitude which is substantially equal to the first amplitude and a second polarity which is opposite to the first polarity.</p> |
