An ultra-wideband low-profile circularly polarized dual-arm helical antenna
A helical antenna and low-profile technology, which is applied in the field of ultra-wideband low-profile circularly polarized dual-arm helical antennas, can solve the problems of low profile and high gain, and achieve the effects of good circular polarization performance, high gain, and increased bandwidth
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment Construction
[0031] The present invention will be further described in detail below with reference to the drawings and examples, but the embodiments of the present invention are not limited thereto.
[0032] The center frequency point of the dual-arm helical antenna provided in this embodiment is 21GHz, and its structure is as follows Figure 1 to Figure 5 As shown, this embodiment can achieve an impedance bandwidth of 38GHz within a back cavity section thickness of 5.2mm, a gain of 6dB above 5GHz, a gain of 8dB above 7GHz, a maximum gain of 11dB, and an axial ratio of less than 9dB in the entire frequency band, below 20GHz Meet less than 5dB.
[0033] An ultra-wideband low-profile circularly polarized dual-arm helical antenna provided in this embodiment includes:
[0034] Back cavity 1: its structure is as figure 1 As shown, its specific dimensions are as Figure 7 , Figure 8 As shown, the section thickness of the back cavity is 5.2mm, the outer diameter of the back cavity is 102mm, ...
PUM
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com