Range

Correct Radar Range Equation for SNR at Detection

Correct Radar Range Equation for SNR at Detection
  1. What is the radar range equation?
  2. What is SNR in radar?
  3. How is radar range of resolution calculated?

What is the radar range equation?

kTB = -174 dBm/Hz

The radar range equation above can be written for power received as a function of range for a given transmit power, wavelength, antenna gain, and RCS.

What is SNR in radar?

The 'Signal-to-Noise' ratio or, SNR (in short), is a metric that describes the signal performance in the presence of wireless channel noise (interference). In the linear scale, the SNR is the ratio of the signal power to the noise power. The wireless channel is never noise-free.

How is radar range of resolution calculated?

Range resolution as a distance can be calculated as follows: Rres = c * τ /2 Where, τ is the transmitted pulse width and c is the velocity of light in the free space. Narrower beamwidth is very useful to distinguish two adjacent targets.

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