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Extending the scanning angle of a phased array antenna by using a null-space medium.


ABSTRACT: By introducing a columnar null-space region as the reference space, we design a radome that can extend the scanning angle of a phased array antenna (PAA) by a predetermined relationship (e.g. a linear relationship between the incident angle and steered output angle can be achieved). After some approximation, we only need two homogeneous materials to construct the proposed radome layer by layer. This kind of medium is called a null-space medium, which has been studied and fabricated for realizing hyper-lenses and some other devices. Numerical simulations verify the performance of our radome.

SUBMITTER: Sun F 

PROVIDER: S-EPMC4213772 | biostudies-other | 2014

REPOSITORIES: biostudies-other

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