| 摘要 |
PCT No. PCT/FR96/00947 Sec. 371 Date Dec. 18, 1997 Sec. 102(e) Date Dec. 18, 1997 PCT Filed Jun. 19, 1996 PCT Pub. No. WO97/01217 PCT Pub. Date Jan. 9, 1997A device for the simultaneous demodulation of a multifrequency signal comprising a processor in which demodulation takes place by calculation. An injector's output signal is multiplied by a complex signal having sinusoids of varying frequencies corresponding to frequency-shifted carriers, thereby transposing the injector's signal on intermediate frequencies.
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