On: Gravitational waves reveal collision of heavy and ...

[_pd19]

Two slower frequencies can interfere and produce a much higher frequency in a phenomenon known as beating

[jcims → _pd19]

It's actually the other way around. Beat frequencies can't exceed the frequency of either of the component frequencies.

[_pd19 → jcims]

Ah oops, I forgot about the factor of 2 in the denominator of the equation