by heterodyning; by beat-frequency comparison

Introduced: September 1968

Last revised: January 2006

Full Title

Arrangements for measuring frequencies; Arrangements for analysing frequency spectra > Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage > by heterodyning; by beat-frequency comparison

Classification Context

Section:: PHYSICS
Class:: MEASURING; TESTING
Subclass:: MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES

Related Keywords

HETERODYNING for measuring frequencies