https://ww2.mathworks.cn/help/radar/ug/constant-false-alarm-rate-cfar-detection.html
Constant False Alarm Rate (CFAR) Detection - MATLAB & Simulink
This example introduces constant false alarm rate (CFAR) detection and shows how to use CFARDetector and CFARDetector2D to perform cell averaging CFAR...
false alarm ratecfar detectionconstantmatlabsimulink