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Q&A A signal with one mode or with three or more modes

The term "Discrete" uses to describe a signal with two modes. Wrong. Discrete means it can only take some values , not all values. I suspect by 'modes' you mean # of possible outputs. If we h...

posted 3y ago by MissMulan‭  ·  edited 3y ago by MissMulan‭

Answer
#2: Post edited by user avatar MissMulan‭ · 2021-08-16T11:27:35Z (about 3 years ago)
  • > The term "Discrete" uses to describe a signal with two modes.
  • Wrong. Discrete means it can only take some values , not all values.
  • I suspect by 'modes' you mean # of possible outputs. If we have a system which outputs only have 1 possible output then what would be the point of that system?
  • Sure we can make a system which has 3 possible outputs , I think this kind of system already exists in [spintronics](https://en.wikipedia.org/wiki/Spintronics)
  • where not only do we measure the charge state but also the spin state.So we can have 3 different states[no charge state,charge state/spin up,charge state/spin down]
  • Hope this helps.
  • > The term "Discrete" uses to describe a signal with two modes.
  • Wrong. Discrete means it can only take some values , not all values.
  • I suspect by 'modes' you mean # of possible outputs. If we have a system which outputs only have 1 possible output then what would be the point of that system?
  • Sure we can make a system which has 3 possible outputs , I think this kind of system already exists in [spintronics](https://en.wikipedia.org/wiki/Spintronics)
  • where not only do we measure the charge state but also the spin state. So we can have 3 different states[no charge state,charge state/spin up,charge state/spin down]
  • Hope this helps.
#1: Initial revision by user avatar MissMulan‭ · 2021-08-16T08:12:28Z (about 3 years ago)
 > The term "Discrete" uses to describe a signal with two modes.

Wrong. Discrete means it can only take some values , not all values.

I suspect by 'modes' you mean # of possible outputs. If we have a system which outputs only have 1 possible output then what would be the point of that system?

Sure we can make a system which has 3 possible outputs , I think this kind of system already exists in [spintronics](https://en.wikipedia.org/wiki/Spintronics)
where not only do we measure the charge state but also the spin state.So we can have 3 different states[no charge state,charge state/spin up,charge state/spin down]

Hope this helps.