Human ear inspires universal radio chip

 作者:毋丘獠佤     |      日期:2019-03-02 08:16:01
A COMPUTER chip modelled on the human ear could be used in universal receivers for radio-frequency signals ranging from cellphone and wireless internet transmissions to radio and television broadcasts. Devices such as cellphones or FM radios are generally tuned to only a narrow frequency band. The new device is inspired by the network of hairs in the inner ear, which can pick up a wide range of sound frequencies. We can hear because sound waves make the eardrum vibrate, which creates waves in the fluid-filled inner ear. Hairs on the membrane inside the inner ear are moved by these waves,