Block diagram of velocity difference meter. For ... (4) By isolating the difference Doppler frequency Aco by a mixing of the signal and reference beams in a nonlinear ... The instrument employs a Mach- Zehnder type interferometer10 and is mounted on the lower unsprung portion of the electric train. ... being measured is determined from one of the following inequalities: ft- AaArco (for Vt alt; Vw) or ft- A alt;ualt;ft (for Vg agt; Vw). ... The dependence of the electrical capacitance of a condenser on.
|Title||:||Soviet Journal of Optical Technology|