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Block-sparse reconstruction and imaging for Lamb wave structural health monitoring.

IEEE transactions on ultrasonics, ferroelectrics, and frequency control

Levine RM, Michaels JE.
PMID: 24859664
IEEE Trans Ultrason Ferroelectr Freq Control. 2014 Jun;61(6):1006-15. doi: 10.1109/TUFFC.2014.2996.

A frequently investigated paradigm for monitoring the integrity of plate-like structures is a spatially-distributed array of piezoelectric transducers, with each array element capable of both transmitting and receiving ultrasonic guided waves. This configuration is relatively inexpensive and allows interrogation...

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Levine RM, Michaels JE. Block-sparse reconstruction and imaging for Lamb wave structural health monitoring. IEEE Trans Ultrason Ferroelectr Freq Control. 2014;61(6):1006-15doi: 10.1109/TUFFC.2014.2996.
Levine, R. M., & Michaels, J. E. (2014). Block-sparse reconstruction and imaging for Lamb wave structural health monitoring. IEEE transactions on ultrasonics, ferroelectrics, and frequency control, 61(6), 1006-15. https://doi.org/10.1109/TUFFC.2014.2996
Levine, Ross M, and Michaels, Jennifer E. "Block-sparse reconstruction and imaging for Lamb wave structural health monitoring." IEEE transactions on ultrasonics, ferroelectrics, and frequency control vol. 61,6 (2014): 1006-15. doi: https://doi.org/10.1109/TUFFC.2014.2996
Levine RM, Michaels JE. Block-sparse reconstruction and imaging for Lamb wave structural health monitoring. IEEE Trans Ultrason Ferroelectr Freq Control. 2014 Jun;61(6):1006-15. doi: 10.1109/TUFFC.2014.2996. PMID: 24859664.
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Ultrasonic imaging of complex specimens by processing multiple incident angles in full-angle synthetic aperture focusing technique.

IEEE transactions on ultrasonics, ferroelectrics, and frequency control

Scharrer T, Schrapp M, Rupitsch SJ, Sutor A, Lerch R.
PMID: 24800861
IEEE Trans Ultrason Ferroelectr Freq Control. 2014 May;61(5):830-9. doi: 10.1109/TUFFC.2014.6805696.

In the evaluation of large-scale metallic specimens, X-ray CT suffers from limited penetration, which results in artifacts in the reconstructed image. Data fusion of information obtained by different modalities allows correction of those artifacts. In this contribution, an approach...

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Scharrer T, Schrapp M, Rupitsch SJ, et al. Ultrasonic imaging of complex specimens by processing multiple incident angles in full-angle synthetic aperture focusing technique. IEEE Trans Ultrason Ferroelectr Freq Control. 2014;61(5):830-9doi: 10.1109/TUFFC.2014.6805696.
Scharrer, T., Schrapp, M., Rupitsch, S. J., Sutor, A., & Lerch, R. (2014). Ultrasonic imaging of complex specimens by processing multiple incident angles in full-angle synthetic aperture focusing technique. IEEE transactions on ultrasonics, ferroelectrics, and frequency control, 61(5), 830-9. https://doi.org/10.1109/TUFFC.2014.6805696
Scharrer, Thomas, et al. "Ultrasonic imaging of complex specimens by processing multiple incident angles in full-angle synthetic aperture focusing technique." IEEE transactions on ultrasonics, ferroelectrics, and frequency control vol. 61,5 (2014): 830-9. doi: https://doi.org/10.1109/TUFFC.2014.6805696
Scharrer T, Schrapp M, Rupitsch SJ, Sutor A, Lerch R. Ultrasonic imaging of complex specimens by processing multiple incident angles in full-angle synthetic aperture focusing technique. IEEE Trans Ultrason Ferroelectr Freq Control. 2014 May;61(5):830-9. doi: 10.1109/TUFFC.2014.6805696. PMID: 24800861.
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Impact of the electrode material and shape on performance of intrinsically tunable ferroelectric FBARs.

IEEE transactions on ultrasonics, ferroelectrics, and frequency control

Vorobiev A, Gevorgian S.
PMID: 24800981
IEEE Trans Ultrason Ferroelectr Freq Control. 2014 May;61(5):840-8. doi: 10.1109/TUFFC.2014.6805697.

Experiment-based analysis of losses in tunable ferroelectric xBiFeO3-(1-x)BaTiO3 (BF-BT) film bulk acoustic wave resonators (FBARs) is reported. The Q-factors, effective coupling coefficients, and tunabilities are considered as functions of surface roughness of the ferroelectric film, the acoustic impedance and...

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Vorobiev A, Gevorgian S. Impact of the electrode material and shape on performance of intrinsically tunable ferroelectric FBARs. IEEE Trans Ultrason Ferroelectr Freq Control. 2014;61(5):840-8doi: 10.1109/TUFFC.2014.6805697.
Vorobiev, A., & Gevorgian, S. (2014). Impact of the electrode material and shape on performance of intrinsically tunable ferroelectric FBARs. IEEE transactions on ultrasonics, ferroelectrics, and frequency control, 61(5), 840-8. https://doi.org/10.1109/TUFFC.2014.6805697
Vorobiev, Andrei, and Gevorgian, Spartak. "Impact of the electrode material and shape on performance of intrinsically tunable ferroelectric FBARs." IEEE transactions on ultrasonics, ferroelectrics, and frequency control vol. 61,5 (2014): 840-8. doi: https://doi.org/10.1109/TUFFC.2014.6805697
Vorobiev A, Gevorgian S. Impact of the electrode material and shape on performance of intrinsically tunable ferroelectric FBARs. IEEE Trans Ultrason Ferroelectr Freq Control. 2014 May;61(5):840-8. doi: 10.1109/TUFFC.2014.6805697. PMID: 24800981.
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Ultrasonic Imaging in Highly Attenuating Materials With Hadamard Codes and the Decomposition of the Time Reversal Operator.

IEEE transactions on ultrasonics, ferroelectrics, and frequency control

Lopez Villaverde E, Robert S, Prada C.
PMID: 28391193
IEEE Trans Ultrason Ferroelectr Freq Control. 2017 Sep;64(9):1336-1344. doi: 10.1109/TUFFC.2017.2690499. Epub 2017 Apr 03.

In this paper, defects in a high density polyethylene pipe are imaged with the total focusing method. The viscoelastic attenuation of this material greatly reduces the signal level and leads to a poor signal-to-noise ratio (SNR) due to electronic...

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Lopez Villaverde E, Robert S, Prada C. Ultrasonic Imaging in Highly Attenuating Materials With Hadamard Codes and the Decomposition of the Time Reversal Operator. IEEE Trans Ultrason Ferroelectr Freq Control. 2017;64(9):1336-1344doi: 10.1109/TUFFC.2017.2690499.
Lopez Villaverde, E., Robert, S., & Prada, C. (2017). Ultrasonic Imaging in Highly Attenuating Materials With Hadamard Codes and the Decomposition of the Time Reversal Operator. IEEE transactions on ultrasonics, ferroelectrics, and frequency control, 64(9), 1336-1344. https://doi.org/10.1109/TUFFC.2017.2690499
Lopez Villaverde, Eduardo, et al. "Ultrasonic Imaging in Highly Attenuating Materials With Hadamard Codes and the Decomposition of the Time Reversal Operator." IEEE transactions on ultrasonics, ferroelectrics, and frequency control vol. 64,9 (2017): 1336-1344. doi: https://doi.org/10.1109/TUFFC.2017.2690499
Lopez Villaverde E, Robert S, Prada C. Ultrasonic Imaging in Highly Attenuating Materials With Hadamard Codes and the Decomposition of the Time Reversal Operator. IEEE Trans Ultrason Ferroelectr Freq Control. 2017 Sep;64(9):1336-1344. doi: 10.1109/TUFFC.2017.2690499. Epub 2017 Apr 03. PMID: 28391193.
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Phased Array Ultrasound System for Planar Flow Mapping in Liquid Metals.

IEEE transactions on ultrasonics, ferroelectrics, and frequency control

Mader K, Nauber R, Galindo V, Beyer H, Buttner L, Eckert S, Czarske J.
PMID: 28422657
IEEE Trans Ultrason Ferroelectr Freq Control. 2017 Sep;64(9):1327-1335. doi: 10.1109/TUFFC.2017.2693920. Epub 2017 Apr 12.

Controllable magnetic fields can be used to optimize flows in technical and industrial processes involving liquid metals in order to improve quality and yield. However, experimental studies in magnetohydrodynamics often involve complex, turbulent flows and require planar, two-component (2c)...

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Mader K, Nauber R, Galindo V, et al. Phased Array Ultrasound System for Planar Flow Mapping in Liquid Metals. IEEE Trans Ultrason Ferroelectr Freq Control. 2017;64(9):1327-1335doi: 10.1109/TUFFC.2017.2693920.
Mader, K., Nauber, R., Galindo, V., Beyer, H., Buttner, L., Eckert, S., & Czarske, J. (2017). Phased Array Ultrasound System for Planar Flow Mapping in Liquid Metals. IEEE transactions on ultrasonics, ferroelectrics, and frequency control, 64(9), 1327-1335. https://doi.org/10.1109/TUFFC.2017.2693920
Mader, Kevin, et al. "Phased Array Ultrasound System for Planar Flow Mapping in Liquid Metals." IEEE transactions on ultrasonics, ferroelectrics, and frequency control vol. 64,9 (2017): 1327-1335. doi: https://doi.org/10.1109/TUFFC.2017.2693920
Mader K, Nauber R, Galindo V, Beyer H, Buttner L, Eckert S, Czarske J. Phased Array Ultrasound System for Planar Flow Mapping in Liquid Metals. IEEE Trans Ultrason Ferroelectr Freq Control. 2017 Sep;64(9):1327-1335. doi: 10.1109/TUFFC.2017.2693920. Epub 2017 Apr 12. PMID: 28422657.
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The Dynamic Allan Variance V: Recent Advances in Dynamic Stability Analysis.

IEEE transactions on ultrasonics, ferroelectrics, and frequency control

Galleani L, Tavella P.
PMID: 26625413
IEEE Trans Ultrason Ferroelectr Freq Control. 2016 Apr;63(4):624-35. doi: 10.1109/TUFFC.2015.2504124. Epub 2015 Nov 26.

The dynamic Allan variance (DAVAR) measures the stability variations of precise clocks and oscillators. When an anomaly occurs, the DAVAR changes with time, its shape depending on the anomaly. In this work, we first discuss our current knowledge about...

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Galleani L, Tavella P. The Dynamic Allan Variance V: Recent Advances in Dynamic Stability Analysis. IEEE Trans Ultrason Ferroelectr Freq Control. 2015;63(4):624-35doi: 10.1109/TUFFC.2015.2504124.
Galleani, L., & Tavella, P. (2016). The Dynamic Allan Variance V: Recent Advances in Dynamic Stability Analysis. IEEE transactions on ultrasonics, ferroelectrics, and frequency control, 63(4), 624-35. https://doi.org/10.1109/TUFFC.2015.2504124
Galleani, Lorenzo, and Tavella, Patrizia. "The Dynamic Allan Variance V: Recent Advances in Dynamic Stability Analysis." IEEE transactions on ultrasonics, ferroelectrics, and frequency control vol. 63,4 (2016): 624-35. doi: https://doi.org/10.1109/TUFFC.2015.2504124
Galleani L, Tavella P. The Dynamic Allan Variance V: Recent Advances in Dynamic Stability Analysis. IEEE Trans Ultrason Ferroelectr Freq Control. 2016 Apr;63(4):624-35. doi: 10.1109/TUFFC.2015.2504124. Epub 2015 Nov 26. PMID: 26625413.
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Ultrasound Pixel-Based Beamforming With Phase Alignments of Focused Beams.

IEEE transactions on ultrasonics, ferroelectrics, and frequency control

Nguyen NQ, Prager RW.
PMID: 28358679
IEEE Trans Ultrason Ferroelectr Freq Control. 2017 Jun;64(6):937-946. doi: 10.1109/TUFFC.2017.2685198. Epub 2017 Mar 24.

We previously developed unified pixel-based (PB) beamforming to generate high-resolution sonograms, based on field pattern analysis. In this framework, we found that the transmit waveshape away from the focus could be characterized by two spherical pulses. These correspond to...

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Nguyen NQ, Prager RW. Ultrasound Pixel-Based Beamforming With Phase Alignments of Focused Beams. IEEE Trans Ultrason Ferroelectr Freq Control. 2017;64(6):937-946doi: 10.1109/TUFFC.2017.2685198.
Nguyen, N. Q., & Prager, R. W. (2017). Ultrasound Pixel-Based Beamforming With Phase Alignments of Focused Beams. IEEE transactions on ultrasonics, ferroelectrics, and frequency control, 64(6), 937-946. https://doi.org/10.1109/TUFFC.2017.2685198
Nguyen, Nghia Q, and Prager, Richard W. "Ultrasound Pixel-Based Beamforming With Phase Alignments of Focused Beams." IEEE transactions on ultrasonics, ferroelectrics, and frequency control vol. 64,6 (2017): 937-946. doi: https://doi.org/10.1109/TUFFC.2017.2685198
Nguyen NQ, Prager RW. Ultrasound Pixel-Based Beamforming With Phase Alignments of Focused Beams. IEEE Trans Ultrason Ferroelectr Freq Control. 2017 Jun;64(6):937-946. doi: 10.1109/TUFFC.2017.2685198. Epub 2017 Mar 24. PMID: 28358679.
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High-Temperature Electromechanical Characterization of AlN Single Crystals.

IEEE transactions on ultrasonics, ferroelectrics, and frequency control

Kim T, Kim J, Dalmau R, Schlesser R, Preble E, Jiang X.
PMID: 26759848
IEEE Trans Ultrason Ferroelectr Freq Control. 2015 Oct;62(10):1880-7. doi: 10.1109/tuffc.2015.007252.

Hexagonal AlN is a non-ferroelectric material and does not have any phase transition up to its melting point (>2000°C), which indicates the potential use of AlN for high-temperature sensing. In this work, the elastic, dielectric, and piezoelectric constants of...

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Kim T, Kim J, Dalmau R, et al. High-Temperature Electromechanical Characterization of AlN Single Crystals. IEEE Trans Ultrason Ferroelectr Freq Control. 2015;62(10):1880-7doi: 10.1109/tuffc.2015.007252.
Kim, T., Kim, J., Dalmau, R., Schlesser, R., Preble, E., & Jiang, X. (2015). High-Temperature Electromechanical Characterization of AlN Single Crystals. IEEE transactions on ultrasonics, ferroelectrics, and frequency control, 62(10), 1880-7. https://doi.org/10.1109/tuffc.2015.007252
Kim, Taeyang, et al. "High-Temperature Electromechanical Characterization of AlN Single Crystals." IEEE transactions on ultrasonics, ferroelectrics, and frequency control vol. 62,10 (2015): 1880-7. doi: https://doi.org/10.1109/tuffc.2015.007252
Kim T, Kim J, Dalmau R, Schlesser R, Preble E, Jiang X. High-Temperature Electromechanical Characterization of AlN Single Crystals. IEEE Trans Ultrason Ferroelectr Freq Control. 2015 Oct;62(10):1880-7. doi: 10.1109/tuffc.2015.007252. PMID: 26759848.
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Simulating GPS radio signal to synchronize network--a new technique for redundant timing.

IEEE transactions on ultrasonics, ferroelectrics, and frequency control

Shan Q, Jun Y, Le Floch JM, Fan Y, Ivanov EN, Tobar ME.
PMID: 24960698
IEEE Trans Ultrason Ferroelectr Freq Control. 2014 Jul;61(7):1075-85. doi: 10.1109/TUFFC.2014.3008.

Currently, many distributed systems such as 3G mobile communications and power systems are time synchronized with a Global Positioning System (GPS) signal. If there is a GPS failure, it is difficult to realize redundant timing, and thus time-synchronized devices...

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Shan Q, Jun Y, Le Floch JM, et al. Simulating GPS radio signal to synchronize network--a new technique for redundant timing. IEEE Trans Ultrason Ferroelectr Freq Control. 2014;61(7):1075-85doi: 10.1109/TUFFC.2014.3008.
Shan, Q., Jun, Y., Le Floch, J. M., Fan, Y., Ivanov, E. N., & Tobar, M. E. (2014). Simulating GPS radio signal to synchronize network--a new technique for redundant timing. IEEE transactions on ultrasonics, ferroelectrics, and frequency control, 61(7), 1075-85. https://doi.org/10.1109/TUFFC.2014.3008
Shan, Qingxiao, et al. "Simulating GPS radio signal to synchronize network--a new technique for redundant timing." IEEE transactions on ultrasonics, ferroelectrics, and frequency control vol. 61,7 (2014): 1075-85. doi: https://doi.org/10.1109/TUFFC.2014.3008
Shan Q, Jun Y, Le Floch JM, Fan Y, Ivanov EN, Tobar ME. Simulating GPS radio signal to synchronize network--a new technique for redundant timing. IEEE Trans Ultrason Ferroelectr Freq Control. 2014 Jul;61(7):1075-85. doi: 10.1109/TUFFC.2014.3008. PMID: 24960698.
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Multicarrier airborne ultrasound transmission with piezoelectric transducers.

IEEE transactions on ultrasonics, ferroelectrics, and frequency control

Ens A, Reindl LM.
PMID: 25965683
IEEE Trans Ultrason Ferroelectr Freq Control. 2015 May;62(5):905-14. doi: 10.1109/TUFFC.2014.006803.

In decentralized localization systems, the received signal has to be assigned to the sender. Therefore, longrange airborne ultrasound communication enables the transmission of an identifier of the sender within the ultrasound signal to the receiver. Further, in areas with...

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Ens A, Reindl LM. Multicarrier airborne ultrasound transmission with piezoelectric transducers. IEEE Trans Ultrason Ferroelectr Freq Control. 2015;62(5):905-14doi: 10.1109/TUFFC.2014.006803.
Ens, A., & Reindl, L. M. (2015). Multicarrier airborne ultrasound transmission with piezoelectric transducers. IEEE transactions on ultrasonics, ferroelectrics, and frequency control, 62(5), 905-14. https://doi.org/10.1109/TUFFC.2014.006803
Ens, Alexander, and Reindl, Leonhard M. "Multicarrier airborne ultrasound transmission with piezoelectric transducers." IEEE transactions on ultrasonics, ferroelectrics, and frequency control vol. 62,5 (2015): 905-14. doi: https://doi.org/10.1109/TUFFC.2014.006803
Ens A, Reindl LM. Multicarrier airborne ultrasound transmission with piezoelectric transducers. IEEE Trans Ultrason Ferroelectr Freq Control. 2015 May;62(5):905-14. doi: 10.1109/TUFFC.2014.006803. PMID: 25965683.
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PVDF Multielement Lamb Wave Sensor for Structural Health Monitoring.

IEEE transactions on ultrasonics, ferroelectrics, and frequency control

Ren B, Lissenden CJ.
PMID: 26540682
IEEE Trans Ultrason Ferroelectr Freq Control. 2016 Jan;63(1):178-85. doi: 10.1109/TUFFC.2015.2496423. Epub 2015 Oct 30.

The characteristics of Lamb waves, which are multimodal and dispersive, provide both challenges and opportunities for structural health monitoring (SHM). Methods for nondestructive testing with Lamb waves are well established. For example, mode content can be determined by moving...

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Ren B, Lissenden CJ. PVDF Multielement Lamb Wave Sensor for Structural Health Monitoring. IEEE Trans Ultrason Ferroelectr Freq Control. 2015;63(1):178-85doi: 10.1109/TUFFC.2015.2496423.
Ren, B., & Lissenden, C. J. (2016). PVDF Multielement Lamb Wave Sensor for Structural Health Monitoring. IEEE transactions on ultrasonics, ferroelectrics, and frequency control, 63(1), 178-85. https://doi.org/10.1109/TUFFC.2015.2496423
Ren, Baiyang, and Lissenden, Cliff J. "PVDF Multielement Lamb Wave Sensor for Structural Health Monitoring." IEEE transactions on ultrasonics, ferroelectrics, and frequency control vol. 63,1 (2016): 178-85. doi: https://doi.org/10.1109/TUFFC.2015.2496423
Ren B, Lissenden CJ. PVDF Multielement Lamb Wave Sensor for Structural Health Monitoring. IEEE Trans Ultrason Ferroelectr Freq Control. 2016 Jan;63(1):178-85. doi: 10.1109/TUFFC.2015.2496423. Epub 2015 Oct 30. PMID: 26540682.
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Low-power, low-rate ultrasonic communications system transmitting axially along a cylindrical pipe using transverse waves.

IEEE transactions on ultrasonics, ferroelectrics, and frequency control

Chakraborty S, Saulnier GJ, Wilt KW, Curt E, Scarton HA, Litman RB.
PMID: 26470041
IEEE Trans Ultrason Ferroelectr Freq Control. 2015 Oct;62(10):1788-96. doi: 10.1109/TUFFC.2015.007078.

Acoustic-electric channels have been used in the recent past to send power and data through thin metallic barriers. Acoustic-electric channels formed along a structure which are highly attenuative and nonreverberant could have potential applications in aerospace, nuclear, and oil...

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Chakraborty S, Saulnier GJ, Wilt KW, et al. Low-power, low-rate ultrasonic communications system transmitting axially along a cylindrical pipe using transverse waves. IEEE Trans Ultrason Ferroelectr Freq Control. 2015;62(10):1788-96doi: 10.1109/TUFFC.2015.007078.
Chakraborty, S., Saulnier, G. J., Wilt, K. W., Curt, E., Scarton, H. A., & Litman, R. B. (2015). Low-power, low-rate ultrasonic communications system transmitting axially along a cylindrical pipe using transverse waves. IEEE transactions on ultrasonics, ferroelectrics, and frequency control, 62(10), 1788-96. https://doi.org/10.1109/TUFFC.2015.007078
Chakraborty, Soumya, et al. "Low-power, low-rate ultrasonic communications system transmitting axially along a cylindrical pipe using transverse waves." IEEE transactions on ultrasonics, ferroelectrics, and frequency control vol. 62,10 (2015): 1788-96. doi: https://doi.org/10.1109/TUFFC.2015.007078
Chakraborty S, Saulnier GJ, Wilt KW, Curt E, Scarton HA, Litman RB. Low-power, low-rate ultrasonic communications system transmitting axially along a cylindrical pipe using transverse waves. IEEE Trans Ultrason Ferroelectr Freq Control. 2015 Oct;62(10):1788-96. doi: 10.1109/TUFFC.2015.007078. PMID: 26470041.
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Showing 1 to 12 of 4154 entries