Research Article
Design of a Low Sidelobe Feed Network Based on the Louver-Shaped Defected Ground Structure
Table 1
Comparison of low sidelobe technologies.
| Ref | Low sidelobe technology | The maximum value of the first sidelobe at center frequency | Simulation design (dB) | Actual measured value after debugging (dB) |
| This work | Using the louver type DGS | −24.2 | −28.1 | [10] | Weighting the amplitude of the elements in the linear array in a series-parallel manner | −23 | −19 | [11] | Optimizing the coefficients of the aperture field distribution function by improving genetic algorithms (GA) | −40 | — | [12] | Using taylor amplitude weighting | −24.1 | — | [13] | The feeding network design adopts a tree topology structure | −25 | — |
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