The success of ultrasonic nondestructive testing technology depends not only on the generation and measurement of the desired waveform, but also on the signal p
Centrifugal pumps always work under steady conditions,and many researches focus on the steady operation.But transient conditions,such as sudden startup and shut
The direct use of the determinant of Jacobian matrix being equal to zero for the singularity analysis is generally difficult which is due to complexity of the J