Velocity profile analyzer

摘要: A velocity profile analyzing device measures the change or non-linearity in of a system under test, and digitally displays measured variation. The principle operation is to determine any differences that occur relation an ideal state, present via digital display difference value. derives from linear encoder representative signal, which includes grating output coupled first counter, index for simultaneously starting counter second receive reference frequency signal. outputs are fed subtractor provides signal recording. may be scaled directly indicate difference, can analyzed various cyclic other perturbations without accommodating whole range deviation. This simple instrumentation, both instantaneous permanent variations.