Foi projectada, fabricada e medida uma antena reflectora reconfigur�vel de microstrip linearmente polarizada de banda X com �ngulo de orienta��o do feixe at� 16�. A c�lula unit�ria consiste num patch de microfita na camada superior e numa ranhura de comprimento vari�vel no plano de terra. A c�lula unit�ria projectada, com dimens�es de 15 mm x 15 mm, proporciona uma gama de fases de reflex�o de 153�. A matriz tem 64 elementos com diferentes fases de coeficiente de reflex�o sob a forma de uma matriz plana. Um prot�tipo de matriz de reflex�o foi medido numa c�mara anec�ica de campo distante na NUST, dando um ganho de 14dB e uma rela��o axial>20dB na frequ�ncia de funcionamento de 10GHz.

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