论文信息 - A Frequency-Scanned Continuous Transverse Stub Array with Broad Angle Based on SIW

A Frequency-Scanned Continuous Transverse Stub Array with Broad Angle Based on SIW

A broadband continuous transverse stub (CTS) antenna array with wide steering range based on substrate integrated waveguide (SIW) is proposed in this paper. The broad steering angle is obtained by the novel coplanar waveguide (CPW) feedline loaded by slow-wave-structure. A reflector is located at one-fourth wavelength away from the antenna array to reduce the backward radiation. The proposed design has been simulated using the full-wave simulator of HFSS. The simulated results show that the -10dB bandwidth of the antenna array is 47.8 % (from 8.6 to 14 GHz). The main beam of the array can scan from -40° to 56° in E-plane with the operation frequency varying from 8.6 to 14 GHz. The gain in main radiation directions change within 9.8 ~ 12.3 dBi for all steering directions.

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