hertz

The unit used for frequencies. It’s abbreviated Hz. Equivalent to cycles per second. A periodicThis can be a characteristic of some signal. If the signal changes somehow, and that change repeats itself exactly over time, over and over - like a sine wave - then the signal is said to be periodic. The amount of time it takes for the signal to repeat itself is called the "period." signal that completes a cycle in one second is said to have a frequencyThe rate of change of a signal, specified in hertz, or cycles per second. of 1 hertzA measure of frequency, or how often something repetitive can happen in a given time. Specifically, it means one cycle per second., or 1 Hz.