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A combination of Method of Moments (MoM) and compound slot Equivalent Circuit Model for linear array design is presented in this document. From the S Matrix of the single element, the more suitable network for its characterization is analyzed and selected. Then according to the radiation requirements of the desired array, the elements are designed and then properly connected by means of Forward Matching...
In this paper, a design technique of the array with a single-layer feed circuit is proposed by using the combination of a full-wave method of moments (MoM) analysis and an equivalent circuit. A control of input matching is directly imposed and the effects of slot mutual coupling and wall thickness are taken into full account. Firstly, under the explicit condition of input matching, the admittance...
A 24-by-27 elements single layer waveguide slot array with Taylor distribution of -35 dB sidelobe are designed and fabricated at 25.3 GHz. The hybrid design by using the combination of a full-wave method of moments (MoM) analysis and an equivalent circuit model is applied for the control of the aperture distribution and the reflection of the array all together; the slot admittance and spacing are...
A novel design technique with the combination of a full-wave MoM analysis and an equivalent circuit model is proposed for the design of waveguide slot arrays with desired aperture distribution as well as input matching. The admittance in the circuit and spacing are determined to realize desired distribution of power and phase as well as input matching. The full-wave MoM analysis, evaluating all the...
The feed circuit and waveguide arrays with slots cut in can be analyzed be the method of moments separately. By cascading the S-matrices considering of only dominant TE10 mode, full-structure analysis is achieved. The calculated results for reflection and directivity coincide with the simulated ones by HFSS. The accuracy for the analysis method is confirmed. As the key point, the calculation time...
To realize a high gain antenna with a wide bandwidth, a partially corporate feed in alternating phase-fed waveguide arrays is proposed to reduce the long line effect by a half. By considering the reliability of alternating-phase excitation, a new four-way divider rather than a three-way divider is proposed. We can control the power dividing to the center output port with a desired ratio by adjusting...
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