The pulse repetition rate and frequency all matched.

The frequency doesn't match anything in the computer.

"They have not identified themselves, but the coded frequencies match the ones that Tarquin gave us."

The unit alters frequencies to match what a listener should be hearing.

For higher frequencies precisely matched low VSWR resistance networks are used.

Specific vocal frequency matched to known reference.

If a structure's natural frequency matches an earthquake's frequency, the structure may continue to resonate and experience structural damage.

Only a few frequencies should match all possible crystal refraction angles.

There was another Kenwood inside the apartment, but the frequency didn't match.

The frequency of light matched that of the Way's own variety of plasma tube.