An aerial device can be configured to fly above a route during movement of a vehicle along the route, such as for purposes of capturing image data of the route. The aerial device may include a microstrip antenna. The antenna includes a radiating patch layer, an aperture layer, a first insulator layer, a feed line, and a second insulator layer, all of which are parallel to and stacked on top of one another. The aperture layer is conductive and defines an aperture. The first insulator layer is sandwiched between the radiating patch layer and the aperture layer; thereby, the radiating patch layer and the aperture layer are spaced apart from one another by at least a thickness of the first insulator layer. The first insulator layer has a low dielectric constant. The second insulator layer is sandwiched between the aperture layer and the feed line.
AERIAL CAMERA SYSTEM, METHOD FOR IDENTIFYING ROUTE-RELATED HAZARDS, AND MICROSTRIP ANTENNA
2018-04-05
Patent
Electronic Resource
English
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