Radiation Pattern of Half-Wave Dipole Antenna at 144 MHz

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Sheena
Sheena 2023-7-10
回答： Anushka 2023-8-1
Can you please help me? I need to know the code for plotting the radiation pattern of a half-wave dipole antenna that is working at 144 Mhz frequeny

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回答（2 个）

Satwik
Satwik 2023-7-10
Hi Sheena,
I understand that you want to plot the radiation pattern for a half wave dipole antenna working at 144 Mhz but not able to do the same.
According to the definiton length of this dipole antenna is equal to a half-wavelength at the frequency of operation. With that we do our required calculations to find the length of the dipole antenna working at 144 Hz using where c is the speed of light.
Doing the calculations we get the Length of dipole as 1.04m.
Just make a dipole in matlab at the required frequency and change it's length to the above mentioned.
Hope it helps!
Anushka
Anushka 2023-8-1
sElement1 = phased.CosineAntennaElement('CosinePower',1.5);
sElement2 = phased.CosineAntennaElement('CosinePower',1.8);
sArray = phased.HeterogeneousULA(...
'ElementSet',{sElement1,sElement2},...
'ElementIndices',[1 1 2 2 2 2 2 2 1 1 ]);
fc = 1e9;
ang = [0;0];
resp = step(sArray,fc,ang)

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