Ultrawideband combined vibrator-slot Clavin type radiator
Abstract
Background. Ultrawideband communication is a promising way of transmitting information that uses short electromagnetic pulses. It has great potential due to higher bandwidth than other methods of information transfer. This allows you to create ultra-fast wireless communication networks. But the implementation of ultra-wideband communication requires the use of compact and efficient pulsed emitters.
Object. Create a compact pulsed combined antenna of electric and magnetic type, ultra-wideband analogue of the Clavin radiator, in which the necessary characteristics are provided by a strong interaction of its components. It is also necessary to analyze the directional, frequency and time characteristics of such a radiator.
Methods: The numerical method of finite differences in time domain (FDTD) is used for the final calculation and optimization of the radiator. The initial design is calculated in a narrow frequency range by the method of electric and magnetomotive forces.
Results. The multiparameter optimization of the antenna is carried out in order to find the optimal interaction between the electric and magnetic emitter while providing the required directional and frequency characteristics. The radiation patterns in the H and E planes for a number of frequencies are obtained, and the time dependences of the radiated field in these planes are constructed.
Conclusions.The analog of the Clavin radiator can concentrate the energy of the radiation in a given direction and provide a wide range of operating frequencies, which in this implementation of antenna reaches 1 GHz. It should be noted the compactness of this structure and the presence of a number of geometric parameters, the change of which can improve the time parameters of the radiated field. The ultra-wideband combined vibrator-slot structure has several directions for further optimization of time, frequency and directional characteristics in accordance with the requirements of specific applications.
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References
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