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A D-band SIW slot antenna was proposed in this paper. The feeding network consists of a CPWG input, a CPWG-SIW transmission with the wideband and low-loss characteristics from the quasi-TEM mode to quasi-TE10 mode and a rectangular slot with functions of vertical transition, transmission and power-dividing. High-gain radiation was achieved at the SIW slot antenna with good isolation between radiation field and the feeding network. As shown in the simulation results, the bandwidth of 1×4 antenna array achieved an E-plane beam-width of 24° and an H-plane beam-width of 10° at 120 GHz. The gain is more than 18.29 dBi and the VSWR is less than 2.0 with the size of 18.73 mm×5.83 mm×0.55 mm.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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