Slotted Waveguide Antenna Design Using 3D EM Simulation
Slotted waveguide antennas (SWA) are often employed in radar applications where design specifications commonly require high gains and mechanical robustness. Since the peak power transmitted by radar antennas is usually very high, waveguide antennas present a practical alternative to planar arrays. While numerous design references and guidelines exist for planar arrays, there are far fewer for slotted waveguide antennas. This article presents a comprehensive workflow for the analysis and design of a slotted waveguide antenna with slots placed on the narrow wall of the waveguide. The virtual design is modeled and simulated using two different numerical methods and different mesh types. This simulation is compared to the analytical solution for array antennas and to the performance of a physical prototype.
A Dielectric Lens Antenna with Enhanced Aperture Efficiency for Industrial Radar Applications
A well-focused antenna with a narrow beamwidth is required for measuring the tank filling level in an industrial storage tank. A dielectric lens antenna has been developed for this application using simulation with CST MICROWAVE STUDIO® and achieving...
Bandpass Waveguide Filter with Dual Mode Cavities
This waveguide filter has been simulated with CST MICROWAVE STUDIO® general purpose frequency domain solver applying a tetrahedral mesh. This particular design is a waveguide bandpass iris filter for standard X-band military satellite communications.
This article concerns the design of a X-Band squintless horn antenna array consisting of 96 radiating elements. The full design of the 2.4m antenna blank (including the simultaneous excitation of all 96 arms) has been performed within CST MICROWAVE STUDIO®....
Ferrite-Loaded Waveguide Antenna
The behavior of a ferrite loaded waveguide antenna is predicted first by a 2D-analytical model and second by CST MICROWAVE STUDIO®. The results of the predictions are compared with measurements and show good agreement. (Courtesy and permission of KAIST...
8th Order Dielectric Resonator Filter with Three Asymmetric Transmission Zeroes
Higher-order dielectric resonator filters are challenging to tune due to a high number of independent design parameters that need to be optimized. Simulation allows elements to be optimized individually before a full-system optimization at the end of...
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