[仿真]Direct conversion receivers using multiport

Abstract: An analytical assessment for multiport structures as direct conversion receivers is sAf9rZt*'  
presented. A new direct-conversion receiver based on a novel five-port structure suitable for OY$7`8M[  
software-defined radio applications is proposed. The five-port architecture provides some 9.jG\i  
advantages compared with previous architectures. Numerical and microwave simulations 3!1&DII4  
have been conducted to show its capabilities as a direct demodulator. The proposed five-port 40rZ~!}  
has been constructed and the measured results indicate that the five-port receiver introduced .. $F<%Jl7_Z  
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