Shape-shifting aerial gets the best reception

 作者:蔚炳     |      日期:2019-03-03 04:10:01
By Duncan Graham-Rowe A METAL object has been made to evolve in a similar way to a simple living creature. Siavash Haroun Mahdavi and Peter Bentley at University College London have created an antenna that can optimise its shape to achieve the best reception of a particular radio signal. The umbrella-shaped antenna is made from a sheet of aluminium foil on a springy metal frame,