modulator

/moj-uh-ley-ter/US // ˈmɒdʒ əˌleɪ tər //

调制器,调解器,调节器,调器

Definitions

n.名词 noun

1
- : a person or thing that modulates.
- : Telecommunications. a device for modulating a carrier wave.

For this reason a magnetic modulator is the cheapest in the long run.
The magnetic modulator is described and pictured in this chapter.
The boys can all read from the Sol-fa modulator, and Mr. Breden gives them ear-tests.
In this latter figure you will notice a small air-core coil, LR, between the oscillator and the modulator tube.
That is, it has too little impedance to act like LA and so it permits the modulator to vary the output of the oscillator.