Готові списки джерел за темами / Two-microphone method

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Добірка наукової літератури з теми "Two-microphone method"

Автор: Grafiati
Опубліковано: 13 вересня 2021
Оновлено: 2 лютого 2022

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Статті в журналах з теми "Two-microphone method"

1

Schultz, Todd, Mark Sheplak, and Louis N. Cattafesta. "Uncertainty analysis of the two-microphone method." Journal of Sound and Vibration 304, no. 1-2 (2007): 91–109. http://dx.doi.org/10.1016/j.jsv.2007.02.015.

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2

Katz, Brian F. G. "Method to resolve microphone and sample location errors in the two-microphone duct measurement method." Journal of the Acoustical Society of America 108, no. 5 (2000): 2231–37. http://dx.doi.org/10.1121/1.1314318.

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3

Nakagawa, C. Renato C., Sven Nordholm, and Wei-Yong Yan. "Analysis of Two Microphone Method for Feedback Cancellation." IEEE Signal Processing Letters 22, no. 1 (2015): 35–39. http://dx.doi.org/10.1109/lsp.2014.2345571.

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4

Moritz, C., and J. S. Lamancusa. "A two‐microphone method for source strength measurement." Journal of the Acoustical Society of America 87, S1 (1990): S11. http://dx.doi.org/10.1121/1.2027877.

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5

Louis, B., G. Glass, B. Kresen, and J. Fredberg. "Airway Area by Acoustic Reflection: The Two-Microphone Method." Journal of Biomechanical Engineering 115, no. 3 (1993): 278–85. http://dx.doi.org/10.1115/1.2895487.

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Анотація:
This report deals with noninvasive imaging of airway geometry based upon information contained in acoustic reflections measured at the mouth. Here we describe a new theoretical approach that enables development of a new miniaturized apparatus. Unlike the single-transducer systems used currently, this new strategy is based upon a two-transducer system that is a variant of that suggested originally by Shroeder (1967). We have developed, implemented, and tested computational algorithms necessary to reconstruct airway dimensions from acoustic reflection data using this two-transducer strategy.
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6

Mielnicka-Pate, A. L., and J. Adin Mann III. "Piston Radiation Investigations Using Two-Microphone Sound Intensity Method." Noise Control Engineering Journal 27, no. 2 (1986): 36. http://dx.doi.org/10.3397/1.2827670.

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7

Jiang, Bo, XiaoQin Liu, and Xing Wu. "Phase calibration method for microphone array based on multiple sound sources." INTER-NOISE and NOISE-CON Congress and Conference Proceedings 263, no. 6 (2021): 659–69. http://dx.doi.org/10.3397/in-2021-1620.

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Анотація:
In the microphone array, the phase error of each microphone causes a deviation in sound source localization. At present, there is a lack of effective methods for phase error calibration of the entire microphone array. In order to solve this problem, a phase mismatch calculation method based on multiple sound sources is proposed. This method requires collecting data from multiple sound sources in turn, and constructing a nonlinear equation setthrough the signal delay and the geometric relationship between the microphones and the sound source positions. The phase mismatch of each microphone can
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8

Louis, B., G. M. Glass, and J. J. Fredberg. "Pulmonary airway area by the two-microphone acoustic reflection method." Journal of Applied Physiology 76, no. 5 (1994): 2234–40. http://dx.doi.org/10.1152/jappl.1994.76.5.2234.

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Анотація:
We noninvasively assessed airway dimensions from acoustic reflection data measured at the mouth. We recently described a two-transducer system for measurement of the nasal airway. Here we apply this approach to the measurement of the upper airway and trachea. We describe the theoretical implications of breathing on this kind of measurement and propose a new procedure that, unlike single- and dual-transducer systems used currently, does not require the use of He-O2 for inference of geometry of subglottic airways.
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9

Suzuki, Seiichirou, and Takurou Hayashi. "Study on Howling in Active Noise Control. Two-Microphone Method." Transactions of the Japan Society of Mechanical Engineers Series C 59, no. 558 (1993): 515–20. http://dx.doi.org/10.1299/kikaic.59.515.

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10

Jekosch, Simon, and Ennes Sarradj. "An Extension of the Virtual Rotating Array Method Using Arbitrary Microphone Configurations for the Localization of Rotating Sound Sources." Acoustics 2, no. 2 (2020): 330–42. http://dx.doi.org/10.3390/acoustics2020019.

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Анотація:
The characterization of rotating aeroacoustic sources using microphone array methods has been proven to be a useful tool. One technique to identify rotating sources is the virtual rotating array method. The method interpolates the pressure time data signals between the microphones in a stationary array to compensate the motion of the rotating sources. One major drawback of the method is the requirement of ring array geometries that are centred around the rotating axis. This contribution extends the virtual rotating array method to arbitrary microphone configurations. Two different ways to inte
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Дисертації з теми "Two-microphone method"

1

Calton, Matthew Franklin. "Modeling of Acoustic Resonators and Resonator Systems for Use in Passive Noise Control." BYU ScholarsArchive, 2016. https://scholarsarchive.byu.edu/etd/9261.

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Acoustic resonators, such as the Helmholtz and quarter-wave resonator, can be used to attenuate unwanted noise in an enclosed space. Classical formulations can be used to approximate resonator performance for a given resonator configuration, but may lack sufficient accuracy for some applications. This research aims to improve the analytical characterization of resonators to provide better correlation to experimental results. Using higher-order approximations and proper end corrections, more accuracy can be obtained in calculating the impedance and resonance frequency of a single resonator,
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2

Ramanathan, Sathish Kumar. "Linear Acoustic Modelling and Testing of Exhaust Mufflers." Thesis, KTH, Aeronautical and Vehicle Engineering, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-4340.

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Анотація:
<p>Intake and Exhaust system noise makes a huge contribution to the interior and exterior noise of automobiles. There are a number of linear acoustic tools developed by institutions and industries to predict the acoustic properties of intake and exhaust systems. The present project discusses and validates, through measurements, the proper modelling of these systems using BOOST-SID and discusses the ideas to properly convert a geometrical model of an exhaust muffler to an acoustic model. The various elements and their properties are also discussed.</p><p>When it comes to Acoustic properties the
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3

Nance, Donald Kirby. "Separating contributions of small-scale turbulence, large-scale turbulence, and core noise from far-field exhaust noise measurements." Diss., Atlanta, Ga. : Georgia Institute of Technology, 2007. http://hdl.handle.net/1853/19768.

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Thesis (Ph.D)--Aerospace Engineering, Georgia Institute of Technology, 2008.<br>Committee Chair: Ahuja, Krishan K.; Committee Member: Cunefare, Kenneth; Committee Member: Lieuwen, Tim C.; Committee Member: Mendoza, Jeff; Committee Member: Sankar, Lakshmi.
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Частини книг з теми "Two-microphone method"

1

Fan, L., B. R. Wang, T. Jin, Y. Shen, and S. Y. Zhang. "Study on thermoacoustic resonance pipe driven by loudspeaker using two-microphone method." In Proceedings of the Twentieth International Cryogenic Engineering Conference (ICEC20). Elsevier, 2005. http://dx.doi.org/10.1016/b978-008044559-5/50083-1.

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Тези доповідей конференцій з теми "Two-microphone method"

1

Baghaki, Ali, M. Omair Ahmad, and M. N. S. Swamy. "A new two-stage method for single-microphone speech dereverberation." In 2016 IEEE International Symposium on Circuits and Systems (ISCAS). IEEE, 2016. http://dx.doi.org/10.1109/iscas.2016.7527356.

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2

Schultz, Todd, Louis Cattafesta, Toshikazu Nishida, and Mark Sheplak. "Uncertainty Analysis of the Two-Microphone Method for Acoustical Impedance Testing." In 8th AIAA/CEAS Aeroacoustics Conference & Exhibit. American Institute of Aeronautics and Astronautics, 2002. http://dx.doi.org/10.2514/6.2002-2465.

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3

Ishibashi, Takaaki, Kosuke Inoue, Chiharu Okuma, and Kei Eguchi. "Low Distortion Target Speech Extraction Method Using Two-Channel Microphone System." In The 6th IIAE International Conference on Intelligent Systems and Image Processing 2018. The Institute of Industrial Application Engineers, 2018. http://dx.doi.org/10.12792/icisip2018.078.

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4

Junfeng Li, Masato Akagi, and Yoiti Suzuki. "Extension of the two-microphone noise reduction method for binaural hearing aids." In 2008 International Conference on Audio, Language and Image Processing (ICALIP). IEEE, 2008. http://dx.doi.org/10.1109/icalip.2008.4590071.

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5

Schultz, Todd, Louis Cattafesta, and Mark Sheplak. "Comparison of the Two-Microphone Method and a Modal Decomposition Method for Acoustic Impedance Testing." In 12th AIAA/CEAS Aeroacoustics Conference (27th AIAA Aeroacoustics Conference). American Institute of Aeronautics and Astronautics, 2006. http://dx.doi.org/10.2514/6.2006-2695.

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6

Sacks, M. P., J. G. Kawall, R. Behboudi, and J. Buttell. "In-Duct Measurement of Gas Turbine Noise Emmisions Using a Cross Spectrum Method." In ASME Turbo Expo 2000: Power for Land, Sea, and Air. American Society of Mechanical Engineers, 2000. http://dx.doi.org/10.1115/2000-gt-0656.

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Анотація:
It is often desirable to measure the sound power radiated by the inlet or exhaust of a gas turbine in an installation that includes filters and silencers. A direct measurement can only be accomplished within the empty duct between the inlet or exhaust flange and the silencer. For a number of reasons ISO 5136 [1] cannot be used directly to perform these measurements. Consequently, some other means must be found. The primary requirement for an in-duct sound power measurement is a valid in-duct sound pressure measurement. In order to accomplish this, the effect of the turbulent pressure fluctuati
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7

Ishibashi, Takaaki, Kana Higuchi, Chiharu Okuma, and Kiyoteru Hayama. "Noise Reduction Method for Multiple Sound Source Signals and Its Application to Two-channel Microphone System." In International Conference on Industrial Application Engineering 2017. The Institute of Industrial Applications Engineers, 2017. http://dx.doi.org/10.12792/iciae2017.061.

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8

Minami, Tomoyuki, and Krishan Ahuja. "Five-Microphone Method for Separating Two Different Correlated Noise Sources from Farfield Measurements Contaminated by Extraneous Noise." In 9th AIAA/CEAS Aeroacoustics Conference and Exhibit. American Institute of Aeronautics and Astronautics, 2003. http://dx.doi.org/10.2514/6.2003-3261.

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9

Shields, Elvin B. "Impacting a Clamped-Free Beam to Experimentally and Numerically Determine Higher Resonant Frequencies of Vibration." In ASME 2016 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/detc2016-59044.

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Анотація:
Clamped-free (cantilever) beams have practical applications. For example, it is not possible to use normal means to determine the modulus of elasticity for thin films. However, the film material can be deposited onto the beam substrate by sputtering or by applying the additive manufacturing technique and thereby change the beam’s stiffness as suggested by Dias da Silva et al [1]. The stiffness change causes a shift in the natural frequencies of the vibration of the beam and this shift can be used to determine the material properties of the film. This study provides four methods of analysis: 1)
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10

Verma, Rajbir, and Sathesh Mariappan. "Comparison of Unsteady Heat Release Rate by Measurements From Chemiluminescence and Two Microphone Techniques." In ASME 2015 Gas Turbine India Conference. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/gtindia2015-1249.

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Анотація:
In the reaction zone of flame, electronically excited species are formed such as CH*, OH* etc. During de-excitation these radicals emit electromagnetic radiation of certain wavelength. This process is called chemiluminescence. The intensity of chemiluminescence, is in general captured using a photo multiplier tube (PMT), which is used to measure unsteady heat release rate from premixed flames. This technique is well established and is now a standard for unsteady heat release rate measurements in the parlance of combustion instability, however has certain limitations. In fuel rich mixtures, unr
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