Análisis del comportamiento no lineal de un parche activo con control vectorial de señal

Abstract

In this article an exhaustive study of the nonlinear behavior of a vector control active patch is presented. The potenciality for controlling the radiation pattern at the intermodulation distortion (IMD) components is shwon when this control unit is employed in linear arrays. Adequately selecting the phase value for the radiated field from each element, an improvement in the carrier to IMD ratio could be obtained in the main lobe direction. At last, a selective biasing technique is considered to increase the array linearity/efficiency trade off , with independence of the individual phase excitation.