DocumentCode :
1006390
Title :
Measurement Of Telephone Noise and Power Wave Shape
Author :
Barstow, J.M. ; Blye, P.W. ; Kent, H.E.
Author_Institution :
Bell Tel. Labs., New York, N. Y.
Volume :
54
Issue :
12
fYear :
1935
Firstpage :
1307
Lastpage :
1315
Abstract :
Since the original introduction of devices for measuring or rating the wave shape of power system currents and voltages in terms of their influence on exposed telephone circuits, much additional work on this problem has been done, the results of this work are reported in this paper. In part I, a curve of relative interfering effects based upon recent studies is presented, the characteristics of a meter for measuring telephone circuit noise are described, and the results of a comprehensive series of tests on the adequacy of this meter are presented. In part II, a new telephone influence factor weighting curve is presented, and a comparison is given between results obtained by meters embodying weighting networks based upon the new and old curves.
Keywords :
Circuit noise; Circuit testing; Current measurement; Noise measurement; Noise shaping; Power measurement; Power system measurements; Shape measurement; Telephony;
fLanguage :
English
Journal_Title :
American Institute of Electrical Engineers, Transactions of the
Publisher :
ieee
ISSN :
0096-3860
Type :
jour
DOI :
10.1109/T-AIEE.1935.5056925
Filename :
5056925
Link To Document :
بازگشت