A digital signal processor for high precision non-contact speed measurement of rail-guided vehicles

1 January 1982

conference paper
Published by Institute of Electrical and Electronics Engineers (IEEE)

Vol. 32, 454-462
https://doi.org/10.1109/vtc.1982.1623057

Abstract

The intention of this paper is to describe the principle, structure and performance of a digital signal processing system to be used for non-contact speed measurement of rail-guided vehicles. The speed and distance measurements are calculated from signals generated by optical sensors as an image of tne rail-surface. These signals are identical except for a time delay which is inversely proportional to tne translation velocity of the vehicle. The combination of a precise optical system and sophisticated digital signal processing algorithms yields a system of very high precision and reliability.

Keywords

This publication has 2 references indexed in Scilit:

The generalized correlation method for estimation of time delay
IEEE Transactions on Acoustics, Speech, and Signal Processing, 1976
Delay-Lock Tracking of Stochastic Signals
IEEE Transactions on Communications, 1976

Cited by 4 articles