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Radar RCS Calculator and Formula

By RF Wireless Expert Team

This page describes the Radar RCS calculator and the Radar RCS formula or equation used within it.

RCS stands for Radar Cross Section. This calculator assumes the target is a sphere (i.e., spherical shape).

Inputs

Outputs

Example of Radar RCS calculator:

  • INPUT: Target radius = 10 meters
  • OUTPUT: RCS = 314.159 meter2

Radar RCS Formula or Equation

RCS (Radar Cross Section) varies depending on the shape of the object. Figure 1 illustrates this.

Figure 1: RCS vs target radius

RCS vs target radius

The table (not included here but available at the external link) provides further explanation.

For more information, visit RFCAFE’s RCS Page.

The following equation or formula is used for the Radar RCS Calculator:

radar RCS formula

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