The decrease in intensity due to absorption is called damping and a wave whose intensity decreases for this reason is called a dampedwave.
由于被吸收而强度减低叫做阻尼，而由于这一原因其强度减小的波叫做阻尼波。
2
According to the operating mode of the rod string in slant straight Wells, the authors establish a one-dimensional dampedwave equation for the rod string.
根据斜直井抽油杆柱工况特点，建立了斜直井抽油杆柱的一维有阻尼波动方程。
3
The impulse measurement errors of the XZF—900 precision resistor divider and the ZRF—1200 low damped capacitor divider are given from exponential wave tests and calculations.