Basic pulse radar. Radar equation.30340 – Remote Sensing

17/04/2008Presentation name2 DTU Space, Technical University of Denmark

1. Outline • Basic pulse radar• Doppler effect• Radar equation:

– Thermal noise in radar equation– Probability of detection and probability of false alarm– Integration of radar pulses– Swerling models

17/04/2008Presentation name3 DTU Space, Technical University of Denmark

2. Basic pulse radar

17/04/2008Presentation name4 DTU Space, Technical University of Denmark

2. Basic pulse radar (II)

Doppler ambiguity

17/04/2008Presentation name5 DTU Space, Technical University of Denmark

2. Radar equation

17/04/2008Presentation name6 DTU Space, Technical University of Denmark

2. Radar equation (II)

17/04/2008Presentation name7 DTU Space, Technical University of Denmark

2. Radar equation (III)

17/04/2008Presentation name8 DTU Space, Technical University of Denmark

2. Radar equation (IV)

17/04/2008Presentation name9 DTU Space, Technical University of Denmark

2. Radar equation (V)

• Swerling models: method for representing the fluctuations of targets

– S/N as factor of PFA, PD and number of pulses integrated