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Commit 101062d5 authored by Fraknói Tamás's avatar Fraknói Tamás
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planesize sim

parent ff80392b
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RTX class/sim_antpos.m
View file @ 101062d5
clear
close all
antPhi = 360/180*pi;
antPos = linspace(0.5, 1.5, 3);
planeRefSize = 2;%linspace(1.8, 2.2, 5);
parabSize = 4;
lambda = 0.3;
dirs = zeros(1,length(antPos));
beamWidth = zeros(1,length(antPos));
rtx = RTX.empty();
%freq = [];
for k = 1:length(antPos)
% wavelength = 3e8/freq(k);
reflectors = [PlaneReflector([2 0], planeRefSize), ParabolaReflector([0 0], parabSize, 3)];
%reflectors = [PlaneReflector([-1 1], 0)];
aperture2 = SegmentedAperture([2.0001 0], 20);
antAngle = 90;
antenna = Antenna(Vect(antPos(k),0), [ones(1,125), zeros(1,750), ones(1,125)], zeros(1,1000));
% antenna = Antenna(Vect(antPos(k),0));
%wavelength = 3e8/1e9;
nRay2 = 2000;
rtx(k) = RTX(reflectors, aperture2, antenna, lambda, nRay2);
rtx(k).trace();
figure(1);
subplot(2,1,1);
hold on;
subplot(2,1,2);
hold on;
rtx(k).plotApertureField();
subplot(2,1,1);
hold off;
subplot(2,1,2);
hold off;
figure(2);
hold on;
rtx(k).plotFarField();
hold off;
% rtx2.calculateFarField();
dirs(k) = rtx(k).calcDirectivity();
beamWidth(k) = rtx(k).farField.getBeamWidth();
end
figure(3);
subplot(2, 1, 1);
scatter(antPos, beamWidth, 'x');
subplot(2, 1, 2);
scatter(antPos, dirs, 'x');
%%
clear
close all
......
RTX class/sim_planesize.m
View file @ 101062d5
clear
close all
antPhi = 360/180*pi;
antPos = 1;%linspace(0.5, 1.5, 5);
planeRefSize = linspace(2, 3.5, 5);
parabSize = 4;
lambda = 0.3;
dirs = zeros(1,length(planeRefSize));
beamWidth = zeros(1,length(planeRefSize));
rtx = RTX.empty();
%freq = [];
for k = 1:length(planeRefSize)
% wavelength = 3e8/freq(k);
reflectors = [PlaneReflector([2 0], planeRefSize(k)), ParabolaReflector([0 0], parabSize, 3)];
%reflectors = [PlaneReflector([-1 1], 0)];
aperture2 = SegmentedAperture([2.0001 0], 20);
antenna = Antenna(Vect(antPos,0), [ones(1,125), zeros(1,750), ones(1,125)], zeros(1,1000));
% antenna = Antenna(Vect(antPos(k),0));
%wavelength = 3e8/1e9;
nRay2 = 1000;
rtx(k) = RTX(reflectors, aperture2, antenna, lambda, nRay2);
rtx(k).trace();
figure(1);
subplot(2,1,1);
hold on;
subplot(2,1,2);
hold on;
rtx(k).plotApertureField();
subplot(2,1,1);
hold off;
subplot(2,1,2);
hold off;
figure(2);
hold on;
rtx(k).plotFarField();
hold off;
% rtx2.calculateFarField();
dirs(k) = rtx(k).calcDirectivity();
beamWidth(k) = rtx(k).farField.getBeamWidth();
planeRefSize = linspace(2, 3, 3);
reflectors1 = [PlaneReflector([2 0], planeRefSize(1)), ParabolaReflector([0 0], 4, 3)];
reflectors2 = [PlaneReflector([2 0], planeRefSize(2)), ParabolaReflector([0 0], 4, 3)];
reflectors3 = [PlaneReflector([2 0], planeRefSize(3)), ParabolaReflector([0 0], 4, 3)];
%reflectors = [PlaneReflector([-1 1], 0)];
%antenna = Antenna(Vect(1,0), [ones(1,125), zeros(1,750), ones(1,125)], zeros(1,1000));
aperture1 = SegmentedAperture([2.0001 0], 20);
aperture2 = SegmentedAperture([2.0001 0], 20);
aperture3 = SegmentedAperture([2.0001 0], 20);
% antenna = Antenna(Vect(1,0), ones(1,10000), zeros(1,10000));
wavelength = 3e8/1e9;
nRay = 2000;
antenna = Antenna(Vect(1,0), [ones(1,125), zeros(1,750), ones(1,125)], zeros(1,1000));
rtx1 = RTX(reflectors1, aperture1, antenna, wavelength, nRay);
rtx1.trace();
rtx1.calculateFarField();
rtx2 = RTX(reflectors2, aperture2, antenna, wavelength, nRay);
rtx2.trace();
rtx2.calculateFarField();
rtx3 = RTX(reflectors3, aperture3, antenna, wavelength, nRay);
rtx3.trace();
rtx3.calculateFarField();
% for k = 1:length(antPos)
% antenna = Antenna(Vect(antPos(k),0), [ones(1,125), zeros(1,750), ones(1,125)], zeros(1,1000));
% rtx(k) = RTX(reflectors, aperture, antenna, wavelength, nRay);
% rtx(k).trace();
% rtx(k).calculateFarField();
% end
%% Plot settings
plot_width = 1200;
h_width = plot_width * 0.55;
height = 400;
file_format = 'png';
save_plot = 1;
%% Sim_characteristics_aperture_field
[x1, y1] = rtx1.plotApertureField();
[x2, y2] = rtx2.plotApertureField();
[x3, y3] = rtx3.plotApertureField();
close all;
figure(1)
subplot(2,1,1);
hold on;
plot(x1, abs(y1), 'LineWidth', 1);
plot(x2, abs(y2), 'LineWidth', 1);
plot(x3, abs(y3), 'LineWidth', 1);
hold off
grid on;
xlabel("r'");
ylabel("|E(r')| [V/m]");
xlim([-5, 5]);
title("Cassegrain antenna megvilágítási függvénye, segédreflektor méretének hatása");
legend(['d=' num2str(planeRefSize(1))], ['d=' num2str(planeRefSize(2))], ['d=' num2str(planeRefSize(3))], 'Location', 'northeast', 'Orientation', 'vertical');
subplot(2,1,2);
hold on;
plot(x1, angle(y1), 'LineWidth', 1);
plot(x2, angle(y2), 'LineWidth', 1);
plot(x3, angle(y3), 'LineWidth', 1);
hold off
grid on;
xlabel("r'");
ylabel("argE(r') [rad]");
xlim([-5, 5]);
ylim([-pi, pi]);
yticks([-pi, -3*pi/4, -pi/2, -pi/4, 0, pi/4, pi/2, 3*pi/4, pi]);
yticklabels({'-\pi', '', '-^{1}/_{2}\pi', '',...
'0', '', '^{1}/_{2}\pi', '', '\pi'});
legend('Távol', 'Fókuszban', 'Közel', 'Location', 'northeast', 'Orientation', 'vertical');
set(gcf, 'position', [0 0 h_width height]);
if save_plot
saveas(gcf,'Sim_planesize_aperture_field',file_format);
end
figure(3);
subplot(2, 1, 1);
scatter(planeRefSize, beamWidth, 'x');
subplot(2, 1, 2);
scatter(planeRefSize, dirs, 'x');
%% Sim_characteristics_far_field
[x1, y1] = rtx1.plotFarField();
[x2, y2] = rtx2.plotFarField();
[x3, y3] = rtx3.plotFarField();
close all;
plot(x1, y1, x2, y2, x3, y3, 'LineWidth', 1.5);
grid on;
title("Cassegrain antenna távoltere, segédreflektor méretének hatása");
legend(['d=' num2str(planeRefSize(1))], ['d=' num2str(planeRefSize(2))], ['d=' num2str(planeRefSize(3))], 'Location', 'northeast', 'Orientation', 'vertical');
xlabel("\Theta [°]");
ylabel("S_{rel} [dB]");
ylim([-60 1]);
xlim([-15 15]);
set(gcf, 'position', [0 0 h_width height]);
if save_plot
saveas(gcf,'Sim_planesize_far_field',file_format);
end
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