Common-aperture microstrip antenna applied to satellite communication system

• Main Authors: XIANG SHA, WANG RAOFEN
• Format: Patent
• Language: Chinese; English
• Published: 27.06.2023
• Subjects: ANTENNAS, i.e. RADIO AERIALS; BASIC ELECTRIC ELEMENTS; ELECTRICITY

The utility model discloses a common aperture microstrip antenna applied to a satellite communication system, comprising a microstrip patch antenna, the microstrip patch antenna is composed of an upper layer patch, a middle layer patch, a lower layer patch and a metal floor in sequence from top to bottom, a first dielectric substrate is arranged between the upper layer patch and the middle layer patch, and a second dielectric substrate is arranged between the lower layer patch and the metal floor. A second dielectric substrate is arranged between the middle-layer patch and the lower-layer patch, a third dielectric substrate is arranged between the lower-layer patch and the metal floor, a feed network dielectric layer is arranged on the lower surface of the metal floor, a high-frequency feed bridge and a low-frequency feed bridge are arranged on the feed network dielectric layer, and the lower-frequency feed bridge is arranged on the lower-layer patch. The middle patch, the lower patch, the metal floor, the fi