Description: This paper presents a composite based on the right/left (composite right/left- handed. CRLH)- The new high-gain active leaky wave antennas (leaky-wave antenna. LWA). This antenna work on the side-by- Passive CRLH missed part amplifier connected, A re-formed in the course of radiation gradually increase the power structure of the leak, thereby enhancing the effective antenna aperture consequently enhance their gains. By the quasi-one-way amplifier characteristics which led to the regeneration of the matching function, gain can be further improved.
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