Designing a Dual-Band Printed Monopole Symmetric Tooth-Shaped Antenna
2020
Printed monopole antennas with a rectangular radiator as well as
with a symmetrical tooth-shaped radiator are considered. The
tooth-shaped radiator is obtained from a rectangular radiator by
adding small symmetrical rectangular cutouts on its two sides. The
antennas with four-, six- and eight-tooth-shaped radiators are
considered. For the antennas, the influence of the radiator
geometry parameters on the two base resonance frequencies is
studied. The common features and characteristics of the
dependences of the resonances on the radiator parameters are
revealed for the considered tooth-shaped antennas. Regression
models are constructed for each type of the antenna. In the
obtained models, the values of the two base resonances are
functions of the length and width of the radiator as well as of
the depth of rectangular cutouts on it. The designing of dual-band
printed monopole tooth-shaped antennas for various numbers of
cutouts on the radiator is proposed. For the design of the shape
of the radiator antennas, regression models are used, which allow
to obtain the parameters of the radiator for given resonance
frequencies. Examples of obtained antennas with various numbers of
teeth are given. Conclusions about the applicability of antennas
of this type for operation on two bands are given.
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