Search Results - "VALIERE, C"

Two-point laser Doppler velocimetry measurements in a Mach 1.2 cold supersonic jet for statistical aeroacoustic source model by KERHERVE, F, JORDAN, P, GERVAIS, Y, VALIERE, J.-C, BRAUD, P

“…Single and multi-point laser Doppler velocimetry measurements performed in a cold Mach 1.2 jet flow are used to assess those properties of the aerodynamic…”
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Estimation of power spectral density from laser Doppler data via linear interpolation and deconvolution by Moreau, S., Plantier, G., Valière, J.-C., Bailliet, H., Simon, L.

“…Spectral estimation of irregularly sampled velocity data issued from Laser Doppler Anemometry measurements is considered in this paper. A new method is…”
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Nonparametric spectral analysis of wideband spectrum with missing data via sample-and-hold interpolation and deconvolution by Plantier, G., Moreau, S., Simon, L., Valière, J.-C., Le Duff, A., Bailliet, H.

“…Spectral estimation of data sequences with randomly missing samples is considered in this paper. A nonparametric missing-data method is proposed based on…”
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Analytical solution of multimodal acoustic propagation in circular ducts with laminar mean flow profile by Boucheron, R., Bailliet, H., Valiere, J.-C.

“…In this paper, an analytical solution for the propagation of sound in circular ducts in the presence of Poiseuille mean flow is derived. This solution uses…”
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Setting up an experimental apparatus for the study of multimodal acoustic propagation with turbulent mean flow by Bailliet, H., Boucheron, R., Dalmont, J.-P., Herzog, Ph, Moreau, S., Valière, J.-C.

“…An experiment has been set up to study multimodal acoustic propagation inside a cylindrical duct in presence of a turbulent mean flow. This paper describes the…”
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Development of a flush ultrasonic probe for the measurement of the velocity and the angle of attack of an aircraft by Feuillard, G., Achdjian, H., Richard, T., Vander Meulen, F., Prax, C., Pineau, J.P., Valiere, J.C.

“…•The time of flight of an ultrasonic wave is related to the velocity and the angle.•Results are reported for airflow velocities up to 460 km/h.•Propagation of…”
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Analog sensor design proposal for laser Doppler velocimetry by Le Duff, A., Plantier, G., Valiere, J.-C., Bosch, T.

“…Laser Doppler velocimetry (LDV) has been widely used for many years in fluid mechanics to measure particle velocity. However, in most applications, i.e., in…”
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Acoustic velocity measurement by means of Laser Doppler Velocimetry: Development of an Extended Kalman Filter and validation in free-field measurement by Le Duff, Alain, Plantier, Guy, Valière, Jean C., Gazengel, Bruno

“…A signal processing technique, based on the use of an Extended Kalman Filter, has been developed to measure sound fields by means of Laser Doppler Velocimetry…”
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USE OF FREQUENCY TRACKERS IN LASER DOPPLER VELOCIMETRY FOR SOUND FIELD MEASUREMENT: COMPARATIVE STUDY OF TWO ESTIMATORS by MELLET, C., VALIERE, J.-C., VALEAU, V.

“…This paper deals with the processing of signals resulting from the measurement of sound fields using the laser Doppler velocimetry technique. For such an…”
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High-speed moving source analysis using chirplets by Valiere, J.-C., Poisson, F., Depollier, C., Simon, L.

“…This article introduces a new method for localizing high-speed moving sources with a microphone array followed by a chirplet transform. A well-adapted chirplet…”
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Local polynomial-time–frequency transform formulation of the pseudo-L-Wigner distribution by Hory, C, Mellet, C, Valiere, J.-C, Depollier, C

“…The general problem of instantaneous frequency estimation of a polynomial phase signal and the capabilities of the two time–frequency distributions local…”
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High speed sound sources localization using bilinear time-frequency transformation by Poisson, F., Valiere, J.C., Herzog, P.

“…This paper proposes a new method to locate high speed moving sound sources based on a bilinear time-frequency transformation. A microphone array, used as a…”
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Instantaneous frequency tracking of a sinusoidally frequency-modulated signal with low modulation index: application to laser measurements in acoustics by Valeau, V., Valière, J.-C., Mellet, C.

“…In this paper, the problem of the instantaneous frequency (IF) estimation of sinusoidally frequency-modulated signals has been addressed, especially when small…”
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ACOUSTIC VELOCITY MEASUREMENTS IN THE AIR BY MEANS OF LASER DOPPLER VELOCIMETRY: DYNAMIC AND FREQUENCY RANGE LIMITATIONS AND SIGNAL PROCESSING IMPROVEMENTS by VALIÈRE, J.C., HERZOG, P., VALEAU, V., TOURNOIS, G.

“…Although laser Doppler velocimetry (LDV) has been used for measurements in fluid mechanics and even high-level acoustics for a number of years, much…”
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An aeroacoustic hybrid approach for non-isothermal flows at low Mach number by Golanski, F., Prax, C., Lamballais, E., Fortuné, V., Valière, J.-C.

“…This paper presents an aeroacoustic hybrid technique for the study of non‐isothermal flows at low Mach number. The flow dynamics and the acoustic production…”
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Stability and compatibility study of a carboplatin solution in syringes for continuous ambulatory infusion in syringes for continuous ambulatory infusion by Valière, C., Arnaud, P., Caroff, E., Dauphin, J.F., Clément, G., Brion, F.

“…The aim of this study was to verify the physico-chemical stability and compatibility between a 10 mg/ml carboplatin parenteral solution and the portable pump…”
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Stability and compatibility study of a carboplatin solution in syringes for continuous ambulatory infusion by VALIERE, C, ARNAUD, P, CAROFF, E, DAUPHIN, J. F, CLEMENT, G, BRION, F

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Development of flow characterization system using ultrasonic methods by Schwartz, H., Pineau, J.-P, Feuillard, G., Prax, C., Valière, J.-C

“…This article deals with the radiation of sound from ultrasonic transducers located on a flat surface and bounding a shear flow. The aim of the experiments is…”
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Broadband signal analysis with the smoothed pseudo-Wigner distribution by ALLARD, J. F, VALIERE, J. C, BOURDIER, R

“…Several nonstationary broadband signals, a voiced speech signal, and flute signals are studied with the short time Fourier transform (STFT) and the smoothed…”
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Frequency tracking based analysis of laser Doppler velocimetry signals for sound field measurements by Valeau, V., Mellet, C., Valiere, J.-C.

“…This presentation discusses the comparison of three instantaneous frequency trackers in the context of the application of laser Doppler velocimetry to acoustic…”
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