Noncontact Measurement of Speed by Means of Correlation Methods.

被引：0
|
作者：
Meyer, H.
Ryser, H.
Zimmer, Ch.
机构：
来源：
Hasler Mitteilungen | 1975年 / 34卷 / 02期
关键词：
ELECTRIC RAILROADS - Measurement - MECHANICAL VARIABLES MEASUREMENT - Velocity;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
An instrument for the measurement of speed and covered distance by railroad trains. It is independent of the wheels. Two optical detectors sequentially scan the surface of the rails. The resulting electric signals are displaced by the traveling time between the two scanning spots. By means of a correlation technique and a control circuit a value is obtained which corresponds to the traveling time.
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页码：33 / 47
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