| 摘要 |
A digital modulator performs BPSK on differential data, filters it, and outputs the resultant data. A determining unit determines a combination of continuous two values of differential data. In a waveform generator, waveform generation rules are set for each of the combinations. On the basis of the waveform generation rule corresponding to the combination determined by the data determining unit, the waveform generator sequentially outputs a digital waveform signal.
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