Head-mounted multi-channel ultrasonic nerve stimulation device and method

The invention provides a head-mounted multi-channel ultrasonic nerve stimulation device and method. The head-mounted multi-channel ultrasonic nerve stimulation device comprises a hood placed on the top of the head of a detected object; three or more excitation channels are arranged on the hood, and each excitation channel comprises a capacitive micro-mechanical ultrasonic transducer and an independent signal line; a common end is arranged on the hood; a control end is connected with the signal lines of the capacitive micro-mechanical ultrasonic transducers through the common end; each capacitive micro-mechanical ultrasonic transducer comprises a plurality of CMUT ultrasonic transduction arrays, wherein each CMUT ultrasonic transduction array comprises a plurality of CMUT array elements; the control end comprises a controller; a pulse generation circuit is connected with the controller; a high-voltage pulse driving circuit and a direct-current bias voltage generating circuit are connected with the pulse genera