Ultrasonic sensing technology uses the time of flight (TOF) of ultrasound waves to correlate with the flow rate of the medium in the pipe section, and obtains the time difference between the propagati...
[i=s]This post was last edited by btty038 on 2019-10-30 16:49[/i]1. Antenna Principle1.1 Definition of antenna:A device that can effectively radiate electromagnetic waves in a specific direction in sp...