?? aoaerr.m~
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function [errorDeg, errorRad]=aoaerr(angle, phaseError, baseline, opFreq)% AOAERR Calculates interferometer angle error% % error=aoaerr(angle, phaseError, baseline, opFreq)% % OUTPUTS% errorDeg = angle error [degrees]% errorRad = angle error [radians]% % INPUTS% angle = angle of arrival of radar signal [degrees]% accepts an array of angles% phaseError = phase measurement error [degrees]% baseline = baseline (separation antennas) of interferometer [m]% opFreq = received signal operating frequency [Hz]% % AIM:% To determine the angle error of a signal arriving at a particular% angle.% % TECHNICAL BACKGROUND:% % REFERENCE:% Benson, Frater, Ryan, TACTIACL ELECTRONIC WARFARE, Argoss Press, 2007,% p.218% Curtis p.381% % AUTHOR: Jason Moyle% DATE: September 2008% Copyright 2008%% Initiate variablesdphi=d2r(phaseError); % Convert phase error to radianstheta=d2r(angle); % Convert arrival angle to radiansd=baseline; % Baselinel=f2l(opFreq); % Wavelength of opFreq%% Calculate errordtheta=l/2/pi/d./cos(theta)*dphi;errorRad=dtheta;errorDeg=r2d(dtheta); % Convert angle error to degrees
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