These include a moiré pattern, a narrow energy band ... the hopping modulation was chosen to be exactly periodic." Interestingly, Gonçalves and his colleagues observed that the phase diagrams ...

NBFM or Narrow Band Frequncy Modulation is used in this 27 MHz transmitter circuit schematic. This circuit is an application by Motorola MC2833 – VHF transmitter with FM modulation and narrow band in ...