Inaccuracy of acoustic measurements in dual-frequence method of sounding; MATEC Web of Conferences; Vol. 158 : Space Engineering

Manylion Llyfryddiaeth
Parent link:MATEC Web of Conferences
Vol. 158 : Space Engineering.— 2018.— [01020, 5 p.]
Prif Awdur: Kostina M. A. Maria Alekseevna
Awdur Corfforaethol: Национальный исследовательский Томский политехнический университет Инженерная школа неразрушающего контроля и безопасности Отделение электронной инженерии
Awduron Eraill: Shulgina Yu. V. Yulia Viktorovna, Chudinova A. I. Alena Igorevna
Crynodeb:Title screen
The article describes the new method of defining time coordinate of the moment when echo-impulse comes. The principle of the method consists in consecutive sounding of the (head) well with the signals of different frequencies and analysing the received reflected signals. The article shows the graphs with dependence of measurement inaccuracy when the operating threshold of the comparator for different ratios of frequencies changes. If the comparator works out in different (in order) periods of the received signals then measurement inaccuracy will be 1-2 periods of the carrier frequency.
Iaith:Saesneg
Cyhoeddwyd: 2018
Pynciau:
Mynediad Ar-lein:https://doi.org/10.1051/matecconf/201815801020
http://earchive.tpu.ru/handle/11683/52919
Fformat: Electronig Pennod Llyfr
KOHA link:https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=659426

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