Howtosignalprocessing
- What is a chirp frequency?
- What is a chirp in signals?
- How does chirp spread spectrum work?
- Why are chirps used in radar?
What is a chirp frequency?
What is frequency chirp? A chirp is a signal in which the frequency increases or decreases with time. This picture shows a linear chirp waveform; a sinusoidal wave that increases in frequency linearly over time.
What is a chirp in signals?
A chirp is a signal in which the frequency increases (up-chirp) or decreases (down-chirp) with time. In some sources, the term chirp is used interchangeably with sweep signal.
How does chirp spread spectrum work?
For wireless communication, chirp pulses are dispatched from a transceiver to a receiver, or amongst transceivers that can both transmit and receive communications with one or more devices at the same time. Receiving devices analyze the patterns of incoming pulses and translate them into data.
Why are chirps used in radar?
The chirp pulse compression process transforms a long duration frequency-coded pulse into a narrow pulse of greatly increased amplitude. It is a technique used in radar and sonar systems because it is a method whereby a narrow pulse with high peak power can be derived from a long duration pulse with low peak power.
