Chirping

From Encyclopedia Jr, free information reference for Kids

In telecommunication, the term chirping has the following meanings:

1. The rapid changing, as opposed to long-term drifting, of the frequency of an electromagnetic wave.

Chirping is most often observed in pulsed operation of a source.

2. A pulse compression technique that uses (usually linear) frequency modulation during the pulse.

3. A trademarked term in mobile communications used by Nextel and Boost Mobile for sending voice messages to a private number in push-to-talk or walkie-talkie mode.

4. To make fun of someone from afar or to make fun of a good friend at anytime about things that are only "inside jokes". It can be used in context as either a positive compliment or a negative retort.

See also: chirp.