Estimation of the error when calculating the arrival time of a detected echo-signal

Seleznev, A. I.; Soldatov, A. I.; Sorokin, P.; Makarov, Victor S.

doi:10.1134/s1061830912050117

Cited by 13 publications

(6 citation statements)

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“…In the first time intervals of signal growing, at the moment of signal appearance in the receiver its level is comparable with the level of noises [25][26][27]. That is why big errors are possible when setting the triggering value of voltage on the level of the first period of the received signal.…”

Section: Response Of the Comparator In The Different Periods When Promentioning

confidence: 72%

Inaccuracy of acoustic measurements in dual-frequence method of sounding

2018

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Abstract. 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.

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Section: Response Of the Comparator In The Different Periods When Promentioning

confidence: 72%

Inaccuracy of acoustic measurements in dual-frequence method of sounding

2018

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“…Among other techniques of UT reconstruction, the DFA method has turned to be the most efficient due to the high resolution and contrast shown in results obtained [4][5][6].…”

Section: A-scan Reconstructionmentioning

confidence: 96%

New fields of application of antenna arrays

Болотина

Shtaynbreher

Bulavinov³

2015

2015 International Siberian Conference on Control and Communications (SIBCON)

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“…The presence of oscillations with different polar amplitudes on the TS's leading edge, as shown in the previous sections, is explained by the inhomogeneous structure of the voltage step's TW propagation channel. These oscillations increase the error in determining the TSOT by threshold methods [7], two threshold methods with linear approximation to zero [8,9] and statistical methods based on high-order central moments [10,11,12]. Under conditions of lightning overvoltage, the amplitude of noise oscillations caused by streamer formation increases, which increases the error in determining the TSOT.…”

Section: Model Research Of Ts Shaping By Intermediate Inhomogeneitiesmentioning

confidence: 99%

Model and experimental research of the transient process for the improvement of the traveling wave fault location

Khuziashev,

Tukhfatullin,

Smirnov

et al. 2023

E3S Web Conf.

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The results of modeling of transient signals in a single-wire line are considered. The parameters of voltage and current signals are compared. Signal oscillation’s amplitude and period are given attention. The algorithm for determining the transient signal’s onset time (TSOT) under the conditions of noise and oscillations of the signal’s leading edge is presented. The results of experimentally recorded signals’ analyses are given.

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Estimation of the error when calculating the arrival time of a detected echo-signal

Cited by 13 publications

References 0 publications

Inaccuracy of acoustic measurements in dual-frequence method of sounding

Inaccuracy of acoustic measurements in dual-frequence method of sounding

New fields of application of antenna arrays

Model and experimental research of the transient process for the improvement of the traveling wave fault location

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