Problem with using Frequency Domain Solver in CST

Hey there,

In CST i read that the frequency domain solver is better used with structure having dimensions less than the wavelength. So i had my sturcture and got good results using Frequency domain solver. I tried to simulate the same structure with Transient solver but results were so bad... Does anyone know why is that? and is there a solution to that?

I also want to have a parameter sweep for induced current in 1 receiving antenna while the transmitting antenna is moving on an axis. I want to plot a voltage-distance graph. is that possible?

Thank you in advance

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