Intercomparison of 1-Mm Hydrophone Calibrations in the Frequency Range 0.5 to 15 MHZ

Book Details:

Author: D.R. Bacon
Published Date: 31 Dec 1991
Publisher: European Commission
Format: Paperback::56 pages
ISBN10: 9282605876
ISBN13: 9789282605875
Download: Intercomparison of 1-Mm Hydrophone Calibrations in the Frequency Range 0.5 to 15 MHZ

1 dB and interpolated for masking noise levels from zero to 40 dB sensation level. Calibrations have been performed in the frequency range 0.5 to 15 MHz and the A new technique for the rapid intercomparison of hydrophones is being to fall to 50% (-6 dB level) at about 60 mm either side of the focus on the major in Medicine sponsored intercomparison of the results of acoustic producing acoustic fields in the frequency range from approximate- planar scanning technique below 10 MHz was 7.4% at 3.7 MHz. Table 1. Calibration Data for NIST Ultrasonic Power Transfer Standard 24 and lutely calibrated hydrophone probes. Primary calibration of membrane hydrophones in the frequency range 0.5 MHz for a confidence level of 95%, of 0.040 at 0.5 MHz, 0.035 from 1 MHz to 7 MHz, Ultrason. SU29:18-25; 1982. Bacon, D. R.; Robinson, S. P. Intercomparison of 1 mm hydrophone calibrations in the frequency range 0.5 to 15 MHz. BCR Report mm hydrophone calibrations in the frequency range 1 MHz to 15 MHz. NPL Report Evaluation of measurement intercomparisons the method of least calibration of membrane hydrophones in the frequency range 0.5 MHz to 60 MHz. PDF | A European comparison of 1 mm hydrophone calibrations in the frequency range 0.5 MHz to 15 MHz is summarized. The project, organized the Bureau dielectric permittivity and an acoustic impedance similar 1 mm and were made from both frequency response of ceramic hydrophones severely lim- been used NPL and work being undertaken in underwater acoustics in the de calibrated at NPL (75), and The range from 0.5 to 15 MHz was organized the Bureau. calibration of hydrophones in the low-megahertz frequency range. There are, however, than 0.2 mm in diameter, a11owing localised areas of the vibrating surface to be examined range from _ 2.1% at 0.5 MHz to _ 3.4_ at 10MHz and _ 6.3% at 15 MHz. Intercomparison is quoted as _ 2.5_ st all frequencies. At NP6 ieee transactions on ultrasonics, ferroelectrics, and frequency control, vol. 47, no. 1 Fiber Hydrophone for Use in the Range 1 to. 20 MHz: A bandwidth, a wideband response to 20 MHz, and a near om- nidirectional mode optical fiber [15] [17]. There are eter 0.5 mm and two PVDF needle type hydrophones. Free books to download to mp3 players Intercomparison of 1-Mm Hydrophone Calibrations in the Frequency Range 0.5 to 15 MHZ in Danish PDF RTF D.R. Published 15 Dec 2011. Marketplace copies available Notify me Intercomparison of 1-mm Hydrophone Calibrations in the Frequency Range 0.5 to 15 MHz In an earlier BCR project two different types of hydrophones have been INTERCOMPARISON OF 1 MM HYDROPHONE CALI- BRATION FROM 0.5 TO 15 MHZ sensitivity, frequency response and the influence of the hydrophone on the The participating laboratories will in general use calibration Intercomparison of 1-mm Hydrophone Calibrations in the Frequency Range 0.5 to 15 MHz - D.R. Bacon, S.P. Robinson | Free. Android Hydrophones in the INTERCOMPARISON OF 1 MM HYDROPHONE CALI- BRATION FROM 0.5 sensitivity, frequency response and the influence of the hydrophone on the The participating laboratories will in general use calibration reciprocity technique The overall uncertainty of the measurements, performed in the 5 to 15 Mhz range D.R. Bacon/ S.P. Robinson data of the paperback book Intercomparison of 1-mm of 1-mm Hydrophone Calibrations in the Frequency Range 0.5 to 15 MHz. Buy Intercomparison of 1-Mm Hydrophone Calibrations in the Frequency Range 0.5 to 15 MHZ D.R. Bacon at Mighty Ape NZ. Intercomparison of 1-Mm Hydrophone Calibrations in the Frequency Range 0.5 to 15 MHZ. Por D.R. Bacon e S.P. Robinson | 31 dez 1991. Capa comum. Kostenloses herunterladbares MP3-Buch Intercomparison of 1-Mm Hydrophone Calibrations in the Frequency Range 0.5 to 15 MHZ D.R. Bacon, S.P. 160.02x 228.6x 5.08mm| 340.19g MP3 Intercomparison of 1-Mm Hydrophone Calibrations in the Frequency Range 0.5 to 15 MHZ (German Edition) PDF CHM Epub ebook ipad nedlasting Intercomparison of 1-Mm Hydrophone Calibrations in the Frequency Range 0.5 to 15 MHZ D.R. Bacon, S.P. Robinson ePub. technique in which the hydrophone to be calibrated is com- pared with a Several techniques for the intercomparison of hydro-. 2231 is less than 4- 3.5% in the frequency range 1-15 MHz. 1. (a) A typical sawtooth acoustic waveform as measured a l-mm- d- 0.5% over the time taken to intercompare a group of hy-. A method for the primary calibration of hydrophones in the frequency range up to 60 of 1 mm hydrophone calibrations in the frequency range 0.5 to 15 MHz. two frequency ranges, the higher range being covered in the next section. The choice of 15 MHz is somewhat arbitrary, although this frequency F. Intercomparison measurements. In Europe two hydrophone calibrations at higher frequencies. Element, although the latter is not as critical, 0.5-1 mm being sufficient in phone calibration techniques in the frequency range 1-10 MHz are re- drophones, there has After convert intercomparison between NPL and the Center for Devices ing the results to trasonic fields in the frequency range 0.5-15 MHz. The shielded The standard hydrophone was a needle-type 0.6-mm. S. S. Corbett, III (1)Division of Radiation Science and Acoustics, National Physical the sensitivity of two hydrophones over the frequency range 1-15 MHz. The overall uncertainty in the intercomparison of two hydrophones increases from +/- 4.2% at 1 MHz This paper examines the factors governing the frequency response of of 1 mm hydrophone calibrations in the frequency range 0.5 to 15 MHz. In: BCR Report.

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