000	00000nam 2200000zi 4500
001	9.943045
003	CaOODSP
005	20240920104924
006	m     o  d f
007	cr bn|||||||||
008	240909e199206##nscad   ob   f000 0 eng d
040	|aCaOODSP|beng|erda|cCaOODSP
041	0 |aeng|beng|bfre
086	1 |aD68-21/31-1992E-PDF
100	1 |aJones, D. F., |eauthor.
245	13|aAn end-capped cylindrical hydrophone for underwater sound detection / |cD.F. Jones - S.E. Prasad - S.R. Kavanaugh; approved by C.W. Bright.
264	1|aDartmouth, N.S. : |bNational Defence, Research and Development Branch, Defence Research Establishment Atlantic, |cJune 1992.
300	|a1 online resource (v, 24 pages) : |billustrations, graphs.
336	|atext|btxt|2rdacontent
337	|acomputer|bc|2rdamedia
338	|aonline resource|bcr|2rdacarrier
490	1 |aTechnical memorandum ; |v92/216
500	|aDigitized edition from print [produced by Defence Research and Development Canada].
504	|aIncludes bibliographical references (page 18).
520	3 |a"A small end-capped cylindrical hydrophone has been designed and built for use as a low cost, general purpose hydrophone. In the frequency range 15 Hz to 5 kHz, the measured free-field voltage sensitivity of the hydrophone is 195 dB re 1 V/muPa, which agrees with the theoretical sensitivity for capped piezoelectric ceramic tubes. In addition, three resonance frequencies below 45 kHz have been measured and identified with circumferential, longitudinal, and flexural modes of vibration"--Abstract, page ii.
546	|aIncludes abstracts in English and French.
650	0|aHydrophone.
650	0|aUnderwater acoustics|xInstruments|xDesign and construction.
650	6|aHydrophones.
650	6|aAcoustique sous-marine|xInstruments|xConception et construction.
710	2 |aDefence Research Establishment Atlantic, |eissuing body.
830	#0|aD.R.E.A. technical memorandum ;|v92/216.|w(CaOODSP)9.941838
856	40|qPDF|s1.25 MB|uhttps://publications.gc.ca/collections/collection_2024/rddc-drdc/D68-21-31-1992-eng.pdf