Dual-polarized leaky-wave antenna based on mode composite single-ridge waveguide

The invention discloses a dual-polarized leaky-wave antenna based on a mode composite single-ridge waveguide. The antenna comprises a mode composite single-ridge waveguide, a transverse slot periodicleaky-wave antenna based on a substrate integrated waveguide TE10 mode, a longitudinal slot periodic leaky-wave antenna based on a substrate integrated single-ridge waveguide TE20 mode, a substrate integrated waveguide feed network, a substrate integrated single-ridge waveguide feed network, a microstrip line conductor and a dielectric substrate. The antenna provided by the invention can be used in a microwave and millimeter wave multi-frequency communication system, has the advantages of composite structure, miniaturization, light weight and easiness in integration, and has the characteristics of ultralow cross polarization and low profile. 本发明公开了一种基于模式复合单脊波导的双极化漏波天线，包括模式复合单脊波导、基于基片集成波导TE10模式的横缝周期漏波天线、基于基片集成单脊波导TE20模式的纵缝周期漏波天线、基片集成波导馈电网络、基片集成单脊波导馈电网络、微带线导体和介质基板。本发明可用于微波毫米波多频通信系统中，其优点是结构复合、小型化、轻量化、易集成，而且其具有超低交叉极化和