A Measurement Method Based on Kalman Filtering for Ultrasonic Time-of-Flight Estimation

Angrisani, L.; Baccigalupi, A.; Moriello, Rosario Schiano Lo

doi:10.1109/tim.2006.870123

Cited by 75 publications

(20 citation statements)

References 10 publications

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“…6 expresses the practical echo envelopes with 8 and 12 sine pulses. L. Angrisani et al 9 used an echo envelope mathematical model, it is expressed as where A 0 ,λ,δ, and α are model parameters. A 0 is the echo amplitude, α and δ are distinct to the specific ultrasonic transducer, and λ is the desired UTOF.…”

Section: The Mathematical Model Of Ultrasonic Echo Envelopementioning

confidence: 99%

Study of ultrasonic thermometry based on ultrasonic time-of-flight measurement

et al. 2016

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Ultrasonic thermometry is a kind of acoustic pyrometry and it has been evolving as a new temperature measurement technology for various environment. However, the accurate measurement of the ultrasonic time-of-flight is the key for ultrasonic thermometry. In this paper, we study the ultrasonic thermometry technique based on ultrasonic time-of-flight measurement with a pair of ultrasonic transducers for transmitting and receiving signal. The ultrasonic transducers are installed in a single path which ultrasonic travels. In order to validate the performance of ultrasonic thermometry, we make a contrast about the absolute error between the measured temperature value and the practical one. With and without heater source, the experimental results indicate ultrasonic thermometry has high precision of temperature measurement.

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Section: The Mathematical Model Of Ultrasonic Echo Envelopementioning

confidence: 99%

Study of ultrasonic thermometry based on ultrasonic time-of-flight measurement

et al. 2016

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“…Precise measurements of phase differences are frequently required in applications of frequency synchronization, satellite navigation, laser ranging finders, communication networks and signal demodulation [1][2][3][4][5][6][7][8][9]. Phase difference measurement can be realized by many approaches.…”

Section: Introductionmentioning

confidence: 99%

“…Phase difference measurement can be realized by many approaches. Digital signal processing, such as FFT (fast Fourier transformation) [4,7], the cross-correlation [3] and Kalman filtering [5], are widely used phase difference measurement method. However, these methods usually require a long time to perform the calculations.…”

Section: Introductionmentioning

confidence: 99%

Phase Difference Measurement Method Based on Progressive Phase Shift

Zhang

Wang

et al. 2018

Electronics

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This paper proposes a method for phase difference measurement based on the principle of progressive phase shift (PPS). A phase difference measurement system based on PPS and implemented in the FPGA chip is proposed and tested. In the realized system, a fully programmable delay line (PDL) is constructed, which provides accurate and stable delay, benefitting from the feed-back structure of the control module. The control module calibrates the delay according to process, voltage and temperature (PVT) variations. Furthermore, a modified method based on double PPS is incorporated to improve the resolution. The obtained resolution is 25 ps. Moreover, to improve the resolution, the proposed method is implemented on the 20 nm Xilinx Kintex Ultrascale platform, and test results indicate that the obtained measurement error and clock synchronization error is within the range of ±5 ps.

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“…The task of defining the time position of the echoimpulse is vital for acoustic devices with the acoustic path, which is the essential contribution into changing the shape of the signal envelope. The devices of this type can be distance finders and depth finders [6][7][8].…”

Section: Introductionmentioning

confidence: 99%

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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A Measurement Method Based on Kalman Filtering for Ultrasonic Time-of-Flight Estimation

Cited by 75 publications

References 10 publications

Study of ultrasonic thermometry based on ultrasonic time-of-flight measurement

Study of ultrasonic thermometry based on ultrasonic time-of-flight measurement

Phase Difference Measurement Method Based on Progressive Phase Shift

Inaccuracy of acoustic measurements in dual-frequence method of sounding

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