rectspirallength2turns

Calculate number of turns for specified arm length in rectangular spiral antenna

Syntax

Nturns = rectspirallength2turns(ant,reqtotalarmlength)

Description

Nturns = rectspirallength2turns(ant,reqtotalarmlength) calculates the equivalent number of turns for a specified total arm length in a rectangular spiral antenna.

Examples

Rectangular Spiral Antenna with Specified Arm Length

Create a single arm rectangular spiral antenna with a total arm length of 291 mm.

ant = spiralRectangular('NumArms',1,'NumTurns',3,'InitialLength',4.5e-3,...
              'InitialWidth',4.5e-3,'Spacing',3.3e-3,'StripWidth',1.2e-3);
nT = rectspirallength2turns(ant,291e-3);
ant.NumTurns = nT;
figure;
show(ant); 

Input Arguments

ant — Rectangular spiral antenna

spiralRectangular object

Rectangular spiral antenna, specified as a spiralRectangular object.

reqtotalarmlength — Total length of arm

scalar in meters

Total length of the rectangular spiral antenna arm, specified as a scalar in meters. In case of dual arm, the input takes the length of any one of the arms.

Example: 33e-3

Output Arguments

Nturns — Equivalent number of turns

scalar

Equivalent number of turns for a specified total arm length, returned as a scalar.