effbeamwidth

Effective beamwidth of an array

Since R2024b

Syntax

thetaeff=effbeamwidth(thetatx,thetarx)

Description

Effective beamwidth of an array

thetaeff=effbeamwidth(thetatx,thetarx). Use the effective beamwidth to calculate the clutter illumination area or the effective angular resolution in a simulated radar.

Examples

Compute Effective Beamwidth

Two radar systems have transmitter azimuth beamwidths of ${15}^{\circ }$ and ${25}^{\circ }$ and receiver azimuth beamwidths of ${12}^{\circ }$ and $6^{\circ }$. Compute the effective beamwidths.

thetatx = [15 25];
thetarx = [12 6];
thetaeff = effbeamwidth(thetatx,thetarx)

thetaeff = 1×2

   13.2518    8.2510

Input Arguments

thetatx — Transmitter beamwidth

positive scalar (default) | positive-valued length-J vector

Transmitter beamwidth, specified as a positive scalar or positive-valued length-J vector. thetatx can represent either azimuth or elevation beamwidth. The size of thetatx and thetarx must be the same. Units are in degrees.

Example: 25.0

Data Types: single | double

thetarx — Receiver beamwidth

positive scalar (default) | positive-valued length-J vector

Receiver beamwidth, specified as a positive scalar or positive-valued length-J vector. thetatx can represent either azimuth or elevation beamwidth. The size of thetatx and thetarx must be the same. Units are in degrees.

Example: 15.0

Data Types: single | double

Output Arguments

thetaeff — Effective beamwidth

positive scalar (default) | positive-valued length-J vector

Effective beamwidth, returned as a scalar or positive-valued length-J vector. The size of thetaeff is the same as thetatx and thetarx.

References

[1] Barton, David K. Radar Equations for Modern Radar. 1st edition. Norwood, MA: Artech House, 2013.

Extended Capabilities

C/C++ Code Generation
Generate C and C++ code using MATLAB® Coder™.

Version History

Introduced in R2024b