Keywords
weir channels
fixed correspondence
flow velocity
water conservancy
india suppliers
barschel trough
structural size
liquid level
weir trough
doppler effect
back determines
flow rate
corrosive liquids
noncontact method
air measured
ultrasonic waves
urban sewers
institutions discharge
flowing liquid
open channel
waters motion
liquid depth
waters depth additionally
8meters channel height
5meter channel height
utilizing ultrasonic pulses
