High-Order Mode Resonant Slot Antenna Based on Hexagonal Substrate Integrated Waveguide
A substrate-integrated waveguide and slot antenna technology, applied in the direction of slot antenna, antenna grounding switch structure connection, circuit, etc., can solve the problems of less radiation gap, low resonance mode, and difficulty in high-order mode excitation, and achieve the goal of impedance matching Effect
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[0022] In this embodiment, the antenna works in the X-band, and the central operating frequency is 10 GHz. The dielectric substrate 1 is a Rogers 5880 dielectric board with a relative permittivity of 2.2 and a thickness of Hc=0.508 mm. The dimensions of the antenna are as image 3 As shown, the specific parameters are as follows: image 3 As shown, the specific dimensions of the antenna are: Rc=9.7mm, Lms=4.3mm, Wms=1.5mm, Lcpw1=6.65mm, Lcpw2=1.35mm, Gcpw=0.5mm, Ls1=5.1mm, Ls2=3.5mm, Ws= 0.8mm, theta=120°, Os=1.2mm, Dv=1mm, Pv=1.4mm, Ov=1.15mm.
[0023] The antenna is at the central operating frequency of 10GHz, and the hexagonal substrate is integrated into the waveguide cavity 5 TM 110 The simulation results of the mode electric field distribution are as follows: Figure 4 As shown, it can be seen from the figure that the first bent radiation slot 7 and the second bent radiation slot 8 are fed in the same phase at this time; the test results of the reflection coefficient at...
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