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Статті в журналах з теми "Ultrasonic pulses"
Round, W. H., and R. H. T. Bates. "Modification of Spectra of Pulses from Ultrasonic Transducers by Scatterers in Non-Attenuating and in Attenuating Media." Ultrasonic Imaging 9, no. 1 (January 1987): 18–28. http://dx.doi.org/10.1177/016173468700900102.
Повний текст джерелаMUQAFFI, FAATIH RIFQI, BAMBANG MUKTI WIBAWA, and DARMAWAN HIDAYAT. "Pembangkitan Pulsa Orde Nanodetik Berbasis Mikrokontroler Untuk Eksitasi Transduser Ultrasonik." ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika 8, no. 1 (January 31, 2020): 229. http://dx.doi.org/10.26760/elkomika.v8i1.229.
Повний текст джерелаSvilainis, Linas, Vytautas Dumbrava, and Andrius Chaziachmetovas. "Investigation of the Half Bridge and Transformer Push–Pull Pulser Topologies for Ultrasonic Transducer Excitation." Journal of Circuits, Systems and Computers 24, no. 05 (April 8, 2015): 1550062. http://dx.doi.org/10.1142/s0218126615500620.
Повний текст джерелаBühling, Benjamin, Stefan Maack, and Christoph Strangfeld. "Enabling multi-input, multi-output measurements with a fluidic transducer." Journal of the Acoustical Society of America 150, no. 4 (October 2021): A349. http://dx.doi.org/10.1121/10.0008547.
Повний текст джерелаWolf, J., T. H. Neighbors, and W. G. Mayer. "Optical probing of ultrasonic pulses." Ultrasonics 27, no. 3 (May 1989): 150–54. http://dx.doi.org/10.1016/0041-624x(89)90057-7.
Повний текст джерелаKrymsky, V. V., N. A. Shaburova, and E. V. Litvinova. "Microstructure and Properties of Cast Metal Treated with Electromagnetic Pulses while in Molten State." Materials Science Forum 843 (February 2016): 106–10. http://dx.doi.org/10.4028/www.scientific.net/msf.843.106.
Повний текст джерелаFeng, Fu Zhou, Chao Sheng Zhang, Qing Xu Min, and Peng Cheng Jiang. "Identification and Reconstruction of Cracks in Ultrasonic Infrared Thermography." Applied Mechanics and Materials 249-250 (December 2012): 46–50. http://dx.doi.org/10.4028/www.scientific.net/amm.249-250.46.
Повний текст джерелаVerboven, Erik, Mathias Kersemans, Arvid Martens, Jannes Daemen, Steven Delrue, Koen Van Den Abeele, and Wim Van Paepegem. "Matching Spectroscopy with the Ultrasonic Polar Scan for Advanced NDT of Composites." Proceedings 2, no. 8 (July 19, 2018): 536. http://dx.doi.org/10.3390/icem18-05458.
Повний текст джерелаCuevas-Acuña, Dulce Alondra, Joe Luis Arias-Moscoso, Wilfrido Torres-Arreola, Francisco Cadena-Cadena, Ramón Gertrudis Valdez-Melchor, Sarai Chaparro-Hernandez, Hisila del Carmen Santacruz-Ortega, and Saúl Ruiz-Cruz. "High-Intensity Ultrasound Pulses Effect on Physicochemical and Antioxidant Properties of Tilapia (Oreochromis niloticus) Skin Gelatin." Applied Sciences 10, no. 3 (February 3, 2020): 1004. http://dx.doi.org/10.3390/app10031004.
Повний текст джерелаSang, Pil, Junseok Heo, Hui Park, and Hyoung Baac. "Photoacoustic Energy Sensor for Nanosecond Optical Pulse Measurement." Sensors 18, no. 11 (November 11, 2018): 3879. http://dx.doi.org/10.3390/s18113879.
Повний текст джерелаДисертації з теми "Ultrasonic pulses"
Crosbie, Ross Andrew. "Quantitative non-destructive evaluation using laser generated ultrasonic pulses." Thesis, University of Hull, 1987. http://hydra.hull.ac.uk/resources/hull:5393.
Повний текст джерелаSmith, Philip F. "Surface evaluation by the signal processing of ultrasonic pulses." Thesis, University of Aberdeen, 1990. http://digitool.abdn.ac.uk/R?func=search-advanced-go&find_code1=WSN&request1=AAIU024863.
Повний текст джерелаEngman, Zoie. "Design and Validation of a Wearable, Continuous, and Non-Invasive Hydration Monitor that uses Ultrasonic Pulses to Detect Changes in Tissue Hydration Status." DigitalCommons@CalPoly, 2014. https://digitalcommons.calpoly.edu/theses/1218.
Повний текст джерелаNadkarni, Aditya. "Reflector geometry specific modeling of an annular array based ultrasound pulse-echo system." Link to electronic thesis, 2007. http://www.wpi.edu/Pubs/ETD/Available/etd-091207-114218/.
Повний текст джерелаMehra, Sumat. "Frequency modulated pulse for ultrasonic B-scan imaging in attenuating medium /." Online version of thesis, 1991. http://hdl.handle.net/1850/11641.
Повний текст джерелаBonaventura, Leeann R. "Ontogeny of circadian and diurnal rhythms effects of light pulses on ultrasonic vocalizations, locomotor activity and Fos/pCREB expression in the suprachiasmatic nucleus and intergeniculate leaflet of the neonatal rat /." Diss., Online access via UMI:, 2006.
Знайти повний текст джерелаСалам, Буссі. "Електромагнітно-акустичні перетворювачі для ультразвукового контролю металовиробів". Thesis, Національний технічний університет "Харківський політехнічний інститут", 2020. http://repository.kpi.kharkov.ua/handle/KhPI-Press/48184.
Повний текст джерелаThesis for a Candidate Degree in Engineering (Doctor of Philosophy), specialty 05.11.13 "Devices and methods of testing and determination of composition of substances" - National Technical University "Kharkiv Polytechnic Institute". The dissertation is devoted to development of new ultrasonic electromagnetic-acoustic transducers with a source of pulsed polarizing magnetic field, methods of sensitive testing and diagnostics of metalware with the use of transducers of this type. Analytical review and analysis of modern means and methods of testing and diagnostics via electromagnetic-acoustic method [1-3] of ferromagnetic and electrically conductive or strictly electrically conductive products under conditions of impact of constant and pulse polarizing magnetic fields taking into account the presence of coherent interferences of different types, technical level of modern electromagnetic circuits, means of their power supply, reception of ultrasonic pulses from metalware and their processing, determination of known advantages and disadvantages, and opportunities of their use in research and development. The direction of the research is defined and justified: development of electromagnetic-acoustic transducer in the form of a simplified single-wind coil model [4] of a source of a magnetic polarizing field with a ferromagnetic core and a high-frequency coil, which is located between the core and the sample; by modeling [5] the distribution of induction of polarizing magnetic field at the end face of the core of the magnetic field source and in the surface layer of both ferromagnetic and non-ferromagnetic metallurgy the features of the location of the high frequency coil of inductance under the magnetic field source are effectively determined for the effective excitation of shear ultrasonic pulses (near the peripheral end of the ferromagnetic core) [6]. The increase in number of winds of magnetization coil in presence of a ferromagnetic core leads to a significant increase in time of transients during the process of powering of a pulsed source of a polarizing magnetic field and during its switching off. As a result, the duration of the power pulse increases to 1 ms or more, which leads to an increase in the force of attraction of EMAP to the ferromagnetic product, additional losses of electricity, deterioration of temperature conditions of the transducer. To reduce the duration of powering pulse of magnetic field it is necessary to reduce the number of winds of the magnetizing coil, but this leads to a decrease in magnetic induction magnitude, even in presence of a ferromagnetic core. As a result of rational choice of the design of the magnetic field source, the flat coil of magnetization must be made with a two-window three-wind and made of high-conductive high-heat-conducting material [7-9]. The core should be placed in the windows of the magnet coil only by the ends. As a result, the action time of the magnetization pulse is reduced to 200 μs, which is sufficient for testing of samples up to 300 mm thick. The high-frequency inductor coil is made of two linear working sections that are located under the windows of the coil [9]. In opposite directions of high-frequency current in these working areas, in-phase powerful pulses of shear ultrasonic waves are excited in the surface layer of the product. The ratio of the excited amplitudes of the shear and longitudinal pulses exceeds 30 dB. That is, the coherent pulses of longitudinal waves in the testing of the moon by the method will practically not affect the results of the diagnosis of ferromagnetic products. Design variants of electromagnetic-acoustic transducers with one-wind [7], two-wind [8] and three-wind magnetization coils [9] of a source of a pulsed polarizing magnetic field are developed. With a single-coil [7], the transients are minimal when the power pulse is winded on. However, it is necessary to excite in the coil a current of several kA, which complicates the temperature conditions of the transducer and power equipment. With a three-coil [9] magnetization, the amplitude of the bottom pulses in relation to the amplitude of the interference exceeds 24 dB, which allows for testing and diagnostics of large variety of samples. When using the charge core [9], the ratio of amplitudes increased to 38 dB, which makes it possible to monitor the echo by the method. The method [10] of ultrasonic electromagnetic - acoustic testing of ferromagnetic products is developed. vectors of intensity with duration of several periods of high filling frequency, n and this excitation of the pulses of the electromagnetic field is performed at a time equal to the time of transients to establish the operating value of the induction of the polarizing magnetic field, and the reception of ultrasonic pulses reflected from the product is performed in the time period tпр, which is determined by the expression T – t1 – t2 – t3 < tпр = t1 + t2 + t3 + 2H/C, where T is the duration of the magnetization pulse; t1 is the time of transients to establish the working value of the induction of a polarizing magnetic field; t2 - time of packet pulse of electromagnetic field; t3 is the time of damping oscillations in the flat high frequency inductor; H is the thickness of the product or the distance in volume of the product to be ultrasound; C is the velocity of propagation of shear ultrasonic waves in the material of the product. It is established [9] that the interferences in the ferromagnetic core caused by the Barkhausen effect and magnetostrictive transformation of electromagnetic energy into ultrasound are practically excluded by production of the core blended, usage of the material of the core plates which has a low coefficient of magnetostrictive conversion, perpendicular core plates orientation in relation to the conductors of the working areas of the flat high-frequency inductor, as well as filling of the gaps between the plates with a high density fluid, such as glycerol. It is shown that the sensitivity of direct EMA transducers with pulse magnetization when powered by a batch high frequency probe pulse generator [11] and when receiving via a low noise amplifier [12] provide detection of flat-bottomed reflectors with a diameter of 3 mm or more, probe frequency of 40 Hz, peak high-frequency current of 120A, shear linearly polarized ultrasonic oscillations of 2.3 MHz, high frequency packet pulse duration 6…7 filling frequency periods, magnetization pulse duration 200 μs, magnetization current density of 600 A / mm2 and at the gap between the EMAP and the product of 0.2 mm [9]. The amplitude of the echo momentum reflected from the flaw in relation to the noise amplitude reaches 20 dB. The EMATs developed are protected with 2 utility model patents.
Салам, Буссі. "Електромагнітно-акустичні перетворювачі для ультразвукового контролю металовиробів". Thesis, Національний технічний університет "Харківський політехнічний інститут", 2020. http://repository.kpi.kharkov.ua/handle/KhPI-Press/48181.
Повний текст джерелаThesis for a Candidate Degree in Engineering, specialty 05.11.13 – Devices and methods of testing and determination of composition of substances. National Technical University “Kharkiv Polytechnic Institute”, Kharkiv, 2020. A relevant scientific – practical problem on development of new types of EMAP for effective ultrasonic control of metal products is solved in the dissertation. Computer simulation of EMAT magnetic fields distribution in pulse magnetization of ferromagnetic and non-magnetic products is performed. Ways to build transducers with maximum sensitivity are established. The method of excitation of pulsed batch ultrasonic pulses due to the sequential formation of pulsed magnetic and electromagnetic fields is developed. Technical solutions for suppression of coherent interference in the core and in the product have been developed. The geometrical and structural parameters of pulsed magnetic field source were determined, which made it possible to excite powerful in-phase packet pulses of high-frequency shear oscillations in a sample. It is shown that the sensitivity of direct EMA transducers with pulse magnetization provide detection of flat-bottom reflectors with a diameter of 3 mm and more at a probing frequency of 40 Hz, a frequency of shear linearly polarized ultrasonic oscillations of 2.3 MHz, a peak current of high-frequency packet pulses of 120 A, duration of batch high frequency current pulses in 6 periods of filling frequency, magnetization pulse duration of 200 μs, magnetization current of 600 A and at the gap between EMAP and product of 0.2 mm.
林鴻耀 and Hung-yiu Lam. "Pulse compression filter design for ultrasonic non-destructivetesting." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1994. http://hub.hku.hk/bib/B3121423X.
Повний текст джерелаNguyen, San Boi. "Development and use of a miniature ultrasonic pulser receiver." Thesis, McGill University, 2008. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=112581.
Повний текст джерелаA broadly applicable ultrasonic pulser and receiver system is developed. Two pulsers, a 5V square and a 100V spike, and a 52dB amplifier with a 57MHz 6dB bandwidth were constructed as a result. These battery powered devices are tailored for compatibility with a custom built wireless data transmission system, also driven by the same voltage. It is demonstrated that the new pulser/receiver is comparable to the commercial system in performance in certain areas.
The new pulsers/receiver and a commercial one are used in this work. The data is acquired and analyzed using LabView and Matlab. It is shown that the ultrasonic technique can be used to follow the reaction in time as well as to gauge the cure of dental composites. The current work in ultrasonic airframe corrosion detection is furthered and the wireless system's functionality is affirmed.
Книги з теми "Ultrasonic pulses"
Watson, C. J. Ultrasonic detection of the onset of damage in optical fibres due to high power optical pulses from a Nd:YAG laser. Manchester: UMIST, 1991.
Знайти повний текст джерелаPollakowski, Martin. The application of the pulse-compression technique to ultrasonic non-destructive testing. Aachen: Verlag Shaker, 1994.
Знайти повний текст джерелаPatankar, V. H. Design and development of an ultrasonic pulser-receiver unit for non-destructive testing of materials. Mumbai: Bhabha Atomic Research Centre, 2002.
Знайти повний текст джерелаAlexander, A. Michel. Application of artificial neural networks to ultrasonic pulse echo system for detecting microcracks in concrete. Vicksburg, Miss: U.S. Army Engineer Waterways Experiment Station, 1998.
Знайти повний текст джерелаJ, Roth Don, and NASA Glenn Research Center, eds. 3-D surface depression profiling using high frequency focused air-coupled ultrasonic pulses. [Cleveland, Ohio]: National Aeronautics and Space Administration, Glenn Research Center, 1999.
Знайти повний текст джерелаJ, Roth Don, and NASA Glenn Research Center, eds. 3-D surface depression profiling using high frequency focused air-coupled ultrasonic pulses. [Cleveland, Ohio]: National Aeronautics and Space Administration, Glenn Research Center, 1999.
Знайти повний текст джерелаJ, Roth Don, and NASA Glenn Research Center, eds. 3-D surface depression profiling using high frequency focused air-coupled ultrasonic pulses. [Cleveland, Ohio]: National Aeronautics and Space Administration, Glenn Research Center, 1999.
Знайти повний текст джерелаJ, Roth Don, and NASA Glenn Research Center, eds. 3-D surface depression profiling using high frequency focused air-coupled ultrasonic pulses. [Cleveland, Ohio]: National Aeronautics and Space Administration, Glenn Research Center, 1999.
Знайти повний текст джерела1922-, Spencer Merrill P., ed. Ultrasonic diagnosis of cerebrovascular disease: Doppler techniques and pulse echo imaging. Dordrecht: M. Nijhoff, 1987.
Знайти повний текст джерелаSpencer, M. P. Ultrasonic Diagnosis of Cerebrovascular Disease: Doppler Techniques and Pulse Echo Imaging. Springer, 2011.
Знайти повний текст джерелаЧастини книг з теми "Ultrasonic pulses"
Daly, Brian C., Niels C. R. Holme, Takashi Buma, Cyril Branciard, Theodore B. Norris, S. Pau, D. M. Tennant, J. A. Taylor, and J. E. Bower. "Imaging Nanostructures with Picosecond Ultrasonic Pulses." In Springer Series in Chemical Physics, 231–35. Berlin, Heidelberg: Springer Berlin Heidelberg, 2005. http://dx.doi.org/10.1007/3-540-27213-5_71.
Повний текст джерелаThompson, D. O., and D. K. Hsu. "Technique for Generation of Unipolar Ultrasonic Pulses." In Review of Progress in Quantitative Nondestructive Evaluation, 667–76. Boston, MA: Springer US, 1987. http://dx.doi.org/10.1007/978-1-4613-1893-4_75.
Повний текст джерелаSchleichert, U., M. Paul, B. Hoffmann, K. J. Langenberg, and W. Arnolde. "Theoretical and Experimental Investigations of Broadband Thermoelastically Generated Ultrasonic Pulses." In Photoacoustic and Photothermal Phenomena, 284–87. Berlin, Heidelberg: Springer Berlin Heidelberg, 1988. http://dx.doi.org/10.1007/978-3-540-48181-2_75.
Повний текст джерелаQuentin, Gerard J. "Use of Short Pulses and Ultrasonic Spectroscopy in Scattering Studies." In Physical Acoustics, 119–28. Boston, MA: Springer US, 1991. http://dx.doi.org/10.1007/978-1-4615-9573-1_11.
Повний текст джерелаScalerandi, M., P. P. Delsanto, and V. Agostini. "Treatment of Attenuation and Dispersion in the Propagation of Ultrasonic Pulses." In Review of Progress in Quantitative Nondestructive Evaluation, 103–9. Boston, MA: Springer US, 1999. http://dx.doi.org/10.1007/978-1-4615-4791-4_12.
Повний текст джерелаScudder, L. P., D. A. Hutchins, and N. Guo. "Propagation of Laser Generated Broadband Ultrasonic Pulses in a Thick Carbon Fibre Composite Plate." In Review of Progress in Quantitative Nondestructive Evaluation, 1209–16. Boston, MA: Springer US, 1993. http://dx.doi.org/10.1007/978-1-4615-2848-7_155.
Повний текст джерелаTalmant, Maryline, and Gérard Quentin. "Study of the Pseudo — Lamb Wave So Generated in Thin Cylindrical Shells Insonified by Short Ultrasonic Pulses in Water." In Progress in Underwater Acoustics, 137–44. Boston, MA: Springer US, 1987. http://dx.doi.org/10.1007/978-1-4613-1871-2_17.
Повний текст джерелаKrautkrämer, Josef, and Herbert Krautkrämer. "The Pulse-Echo Method; Design and Performance of a Pulse-Echo Flaw Detector." In Ultrasonic Testing of Materials, 167–221. Berlin, Heidelberg: Springer Berlin Heidelberg, 1990. http://dx.doi.org/10.1007/978-3-662-10680-8_11.
Повний текст джерелаUchino, Kenji. "Pulse Drive Motor Applications." In Piezoelectric Actuators and Ultrasonic Motors, 245–64. Boston, MA: Springer US, 1997. http://dx.doi.org/10.1007/978-1-4613-1463-9_8.
Повний текст джерелаKočiš, Štefan, and Zdenko Figura. "Measurement of position and air flow by pulse methods." In Ultrasonic Measurements and Technologies, 147–71. Boston, MA: Springer US, 1996. http://dx.doi.org/10.1007/978-1-4613-1199-7_6.
Повний текст джерелаТези доповідей конференцій з теми "Ultrasonic pulses"
Akamatsu, Shigenori, Tomosumi Kamimura, Katsunori Yokoi, Haruya Shiba, Toshihiro Tanizawa, Shigeaki Uchida, and Oleg G. Kotiaev. "Nondestructive Evaluation of Concrete Structures by Laser Ultrasonic Method." In ASME/JSME 2004 Pressure Vessels and Piping Conference. ASMEDC, 2004. http://dx.doi.org/10.1115/pvp2004-2818.
Повний текст джерелаCanumalla, Sridhar. "A Broadband Model for Ultrasonic Pulses in the Presence of Thin Layers in Microelectronics." In ISTFA 2002. ASM International, 2002. http://dx.doi.org/10.31399/asm.cp.istfa2002p0235.
Повний текст джерела"Behavior of Ultrasonic Pulses in Fresh Concrete." In SP-143: New Experimental Techniques for Evaluating Concrete Material & Structural Performance. American Concrete Institute, 1994. http://dx.doi.org/10.14359/4318.
Повний текст джерелаZhang, Li, Charles B. Theurer, Robert X. Gao, and David O. Kazmer. "Design of a Wireless Sensor for Injection Molding Cavity Pressure Measurement." In ASME 2001 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2001. http://dx.doi.org/10.1115/imece2001/dsc-24500.
Повний текст джерелаYurchenko, Alexander, Oleksandr Polishko, Yuriy Pilgun, and Eugene Smirnov. "Optical visualization of ultrasonic pulses in the Total Internal Reflection Ultrasonic Sensor." In 2014 IEEE International Ultrasonics Symposium (IUS). IEEE, 2014. http://dx.doi.org/10.1109/ultsym.2014.0185.
Повний текст джерелаSchmidt, P. L., D. G. Walker, D. E. Yuhas, and M. J. Mutton. "Thermal Measurement of Harsh Environments Using Indirect Acoustic Pyrometry." In ASME 2007 International Mechanical Engineering Congress and Exposition. ASMEDC, 2007. http://dx.doi.org/10.1115/imece2007-44089.
Повний текст джерелаHabib, Anowarul, and Frank Melandso. "Chirp coded ultrasonic pulses used for scanning acoustic microscopy." In 2017 IEEE International Ultrasonics Symposium (IUS). IEEE, 2017. http://dx.doi.org/10.1109/ultsym.2017.8092627.
Повний текст джерелаHabib, Anowarul, and Frank Melandso. "Chirp coded ultrasonic pulses used for scanning acoustic microscopy." In 2017 IEEE International Ultrasonics Symposium (IUS). IEEE, 2017. http://dx.doi.org/10.1109/ultsym.2017.8092689.
Повний текст джерелаXiao, Dingguo, Huiling Ren, Jiameng Shao, and Chunguang Xu. "Response characteristics of ultrasonic transducer under different excitation pulses." In 2013 Far East Forum on Nondestructive Evaluation/Testing: New Technology & Application (FENDT). IEEE, 2013. http://dx.doi.org/10.1109/fendt.2013.6635543.
Повний текст джерелаMaslov, Konstantin, Hao F. Zhang, and Lihong V. Wang. "Photoacoustic generation of focused ultrasonic pulses with predefined temporal profiles including quasi-unipolar pressure pulses." In Biomedical Optics (BiOS) 2008, edited by Alexander A. Oraevsky and Lihong V. Wang. SPIE, 2008. http://dx.doi.org/10.1117/12.763972.
Повний текст джерелаЗвіти організацій з теми "Ultrasonic pulses"
Duncan, M. G. Precision pulse-timing instrumentation for ultrasonic nondestructive testing. Office of Scientific and Technical Information (OSTI), August 1990. http://dx.doi.org/10.2172/6762029.
Повний текст джерелаWatanabe, Hiroshi, and Walter J. Jr Rossiter. Pulse-echo ultrasonic evaluation of the integrity of seams of single-ply roofing membranes:. Gaithersburg, MD: National Institute of Standards and Technology, 1990. http://dx.doi.org/10.6028/nist.ir.4424.
Повний текст джерелаWatanabe, Hiroshi, and Walter J. Jr Rossiter. Pulse-echo ultrasonic evaluation of the integrity of seams of single-ply roofing membranes:. Gaithersburg, MD: National Institute of Standards and Technology, 1990. http://dx.doi.org/10.6028/nist.ir.4425.
Повний текст джерелаBoyd, D. M., and P. D. Sperline. In plant demonstration of high temperature EM pulser and pulsed EMAT receiver: Final report: Experimental development and testing of ultrasonic system for high temperature applications on hot steel. Office of Scientific and Technical Information (OSTI), November 1988. http://dx.doi.org/10.2172/6943930.
Повний текст джерелаAlexander, A. Michael, and Richard W. Haskins. Application of Artificial Neural Networks to Ultrasonic Pulse Echo System for Detecting Microcracks in Concrete. Fort Belvoir, VA: Defense Technical Information Center, June 1998. http://dx.doi.org/10.21236/ada347421.
Повний текст джерелаRoach, Dennis Patrick, Phillip D. Walkington, and Kirk A. Rackow. Pulse-echo ultrasonic inspection system for in-situ nondestructive inspection of Space Shuttle RCC heat shields. Office of Scientific and Technical Information (OSTI), June 2005. http://dx.doi.org/10.2172/923155.
Повний текст джерелаAlexander, Michel, Richard W. Haskins, Robert Cook, Mantu Baishya, and Michael Kelly. Technologies for Improving the Evaluation and Repair of Concrete Bridge Decks: Ultrasonic Pulse Echo and Polymer Injection. Fort Belvoir, VA: Defense Technical Information Center, September 1998. http://dx.doi.org/10.21236/ada354160.
Повний текст джерела