Cfar threshold

1. What is CFAR threshold?
2. What is cell averaging CFAR?
3. What is CFAR detection?
4. How is CFAR loss calculated?
5. What is the detection threshold of a radar?

What is CFAR threshold?

CFAR Detection Threshold

A CFAR detection occurs when the input signal level in a cell exceeds the threshold level. The threshold level for each cell depends on the threshold factor and the noise power in that derived from training cells.

What is cell averaging CFAR?

Cell – Averaging CFAR (CA - CFAR) is a type of CFAR detection where the threshold is estimated by scanning a block of cells around a cell-under-test (CUT) and calculating the average power level.

What is CFAR detection?

Constant false alarm rate (CFAR) detection refers to a common form of adaptive algorithm used in radar systems to detect target returns against a background of noise, clutter and interference.

How is CFAR loss calculated?

The CFAR ratio is calculated using the equation, X = - log 10 ( PFA )/ NRC .

What is the detection threshold of a radar?

Radar threshold is a parameter that affects radar performance directly by causing a trade off between detection and false alarm probability. While designing radar systems, it must be set accurately in order to have reliable decisions about target detection.