| 000 | 03046naa2a2200457 4500 | ||
|---|---|---|---|
| 001 | 659426 | ||
| 005 | 20231030041628.0 | ||
| 035 | _a(RuTPU)RU\TPU\network\27985 | ||
| 035 | _aRU\TPU\network\27983 | ||
| 090 | _a659426 | ||
| 100 | _a20190218d2018 k y0engy50 ba | ||
| 101 | 0 | _aeng | |
| 105 | _ay z 100zy | ||
| 135 | _avrgn ---uucaa | ||
| 181 | 0 | _ai | |
| 182 | 0 | _ab | |
| 200 | 1 |
_aInaccuracy of acoustic measurements in dual-frequence method of sounding _fM. A. Kostina, Yu. V. Shulgina, A. I. Chudinova |
|
| 203 |
_aText _celectronic |
||
| 300 | _aTitle screen | ||
| 320 | _a[References: 30 tit.] | ||
| 330 | _aThe 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. | ||
| 461 | 1 |
_0(RuTPU)RU\TPU\network\4526 _tMATEC Web of Conferences |
|
| 463 | 1 |
_0(RuTPU)RU\TPU\network\27949 _tVol. 158 : Space Engineering _oVI International Forum for Young Scientists, April 26-28, 2018, Tomsk, Russia _o[proceedings] _fNational Research Tomsk Polytechnic University (TPU) ; eds. V. N. Borikov [et al.] _v[01020, 5 p.] _d2018 |
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| 610 | 1 | _aэлектронный ресурс | |
| 610 | 1 | _aтруды учёных ТПУ | |
| 610 | 1 | _aточность | |
| 610 | 1 | _aакустические измерения | |
| 610 | 1 | _aдвухчастотные методы | |
| 610 | 1 | _aзондирование | |
| 610 | 1 | _aэхо-импульсы | |
| 610 | 1 | _aсигналы | |
| 610 | 1 | _aкомпараторы | |
| 700 | 1 |
_aKostina _bM. A. _cspecialist in the field of electronics _cAssistant of the Department of Tomsk Polytechnic University _f1991- _gMaria Alekseevna _2stltpush _3(RuTPU)RU\TPU\pers\42383 |
|
| 701 | 1 |
_aShulgina _bYu. V. _cspecialist in the field of electronics _cSenior Lecturer of Tomsk Polytechnic University _f1987- _gYulia Viktorovna _2stltpush _3(RuTPU)RU\TPU\pers\33688 |
|
| 701 | 1 |
_aChudinova _bA. I. _clinguist _cSenior Lecturer of Tomsk Polytechnic University _f1982- _gAlena Igorevna _2stltpush _3(RuTPU)RU\TPU\pers\31239 |
|
| 712 | 0 | 2 |
_aНациональный исследовательский Томский политехнический университет _bИнженерная школа неразрушающего контроля и безопасности _bОтделение электронной инженерии _h7977 _2stltpush _3(RuTPU)RU\TPU\col\23507 |
| 801 | 1 |
_aRU _b63413507 _c20150101 _gRCR |
|
| 801 | 2 |
_aRU _b63413507 _c20190228 _gRCR |
|
| 856 | 4 | _uhttps://doi.org/10.1051/matecconf/201815801020 | |
| 856 | 4 | _uhttp://earchive.tpu.ru/handle/11683/52919 | |
| 942 | _cBK | ||