A passive radar conformal antenna array
By designing a conformal antenna array for passive radar, the problem of passive radar exposure affecting the aerodynamic performance of aircraft was solved, resulting in a reduction in radar cross-section and an improvement in stealth performance, an extension of service life, and an expansion of detection range and scope.
CN224502323UActive Publication Date: 2026-07-14
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Filing Date
- 2025-09-22
- Publication Date
- 2026-07-14
AI Technical Summary
Technical Problem
Most existing passive radars are exposed, which affects the aerodynamic performance of aircraft.
Method used
A passive radar conformal antenna array is designed. Through the arc-shaped panel structure of the outer panel, foam layer, functional layer and bottom panel, combined with helical antenna and thermally conductive metal material, it can be integrated with the surface of the aircraft, reduce the radar cross-section and improve the stealth performance.
Benefits of technology
It effectively reduces radar cross-section, improves stealth performance, avoids the impact of traditional antennas on aircraft aerodynamic performance, extends service life, and expands radar detection range and scope.
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure CN224502323U_ABST
Abstract
The utility model relates to radar technical field, proposes a kind of passive radar conformal antenna array, comprising: outer panel, the one side of outer panel is fixedly installed with foam layer, the one side of foam layer is fixedly installed with function layer, the one side of function layer is fixed with bottom panel, the inside of foam layer, function layer is provided with helical antenna, the one side of helical antenna is fixedly installed with antenna receiving surface, the outside of helical antenna is fixedly installed with signal amplifier, the one side of antenna receiving surface is fixedly installed with heat dissipation shell, the inside of heat dissipation shell is fixedly installed with TR component. The shape of outer panel, foam layer, function layer and bottom panel is all set as arc panel, which can facilitate the installation of passive radar conformal antenna array on aircraft, thereby ensuring the aerodynamic performance of aircraft. The conformal antenna is designed integrally with the carrier surface, which can effectively reduce the radar reflection area RCS, thereby improving the stealth performance.
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Citation Information
Patent Citations
Airborne arc conformal antenna
CN223334008U