Evaluation of Precision and Accuracy in the Calibration of Hydrophones

The Underwater Sound Reference Division has made a preliminary study of the accuracy or bias measurement of hydrophone sensitivity by the comparison method and of the precision or repeatability of the measurements. To evaluate the various calibration systems, two standard hydrophones were calibrated...

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1. Verfasser:	Blue, Joseph E
Format:	Report
Sprache:	eng
Schlagworte:	ACCURACY Acoustic Detection and Detectors Acoustics CALIBRATION HYDROPHONES SENSITIVITY TEST EQUIPMENT TEST METHODS
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creator	Blue, Joseph E
description	The Underwater Sound Reference Division has made a preliminary study of the accuracy or bias measurement of hydrophone sensitivity by the comparison method and of the precision or repeatability of the measurements. To evaluate the various calibration systems, two standard hydrophones were calibrated a number of times by reciprocity with a minimum of electronic equipment. The averages from the repetitions were taken as 'true' values of hydrophone sensitivity. Three sets of calibration data then were obtained for both hydrophones with each calibration system, and the results were compared with the 'true' values to obtain estimates of the bias and confidence interval associated with each system.
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Three sets of calibration data then were obtained for both hydrophones with each calibration system, and the results were compared with the 'true' values to obtain estimates of the bias and confidence interval associated with each system.</description><language>eng</language><subject>ACCURACY ; Acoustic Detection and Detectors ; Acoustics ; CALIBRATION ; HYDROPHONES ; SENSITIVITY ; TEST EQUIPMENT ; TEST METHODS</subject><creationdate>1973</creationdate><rights>Approved for public release; distribution is unlimited.</rights><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,777,882,27548,27549</link.rule.ids><linktorsrc>$$Uhttps://apps.dtic.mil/sti/citations/AD0758356$$EView_record_in_DTIC$$FView_record_in_$$GDTIC$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Blue, Joseph E</creatorcontrib><creatorcontrib>NAVAL RESEARCH LAB ORLANDO FL UNDERWATER SOUND REFERENCE DIV</creatorcontrib><title>Evaluation of Precision and Accuracy in the Calibration of Hydrophones</title><description>The Underwater Sound Reference Division has made a preliminary study of the accuracy or bias measurement of hydrophone sensitivity by the comparison method and of the precision or repeatability of the measurements. To evaluate the various calibration systems, two standard hydrophones were calibrated a number of times by reciprocity with a minimum of electronic equipment. The averages from the repetitions were taken as 'true' values of hydrophone sensitivity. Three sets of calibration data then were obtained for both hydrophones with each calibration system, and the results were compared with the 'true' values to obtain estimates of the bias and confidence interval associated with each system.</description><subject>ACCURACY</subject><subject>Acoustic Detection and Detectors</subject><subject>Acoustics</subject><subject>CALIBRATION</subject><subject>HYDROPHONES</subject><subject>SENSITIVITY</subject><subject>TEST EQUIPMENT</subject><subject>TEST METHODS</subject><fulltext>true</fulltext><rsrctype>report</rsrctype><creationdate>1973</creationdate><recordtype>report</recordtype><sourceid>1RU</sourceid><recordid>eNrjZHBzLUvMKU0syczPU8hPUwgoSk3OLAZxEvNSFByTk0uLEpMrFTLzFEoyUhWcE3Myk4rgij0qU4ryCzLy81KLeRhY0xJzilN5oTQ3g4yba4izh25KSWZyfHFJZl5qSbyji4G5qYWxqZkxAWkA_TswSg</recordid><startdate>19730330</startdate><enddate>19730330</enddate><creator>Blue, Joseph E</creator><scope>1RU</scope><scope>BHM</scope></search><sort><creationdate>19730330</creationdate><title>Evaluation of Precision and Accuracy in the Calibration of Hydrophones</title><author>Blue, Joseph E</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-dtic_stinet_AD07583563</frbrgroupid><rsrctype>reports</rsrctype><prefilter>reports</prefilter><language>eng</language><creationdate>1973</creationdate><topic>ACCURACY</topic><topic>Acoustic Detection and Detectors</topic><topic>Acoustics</topic><topic>CALIBRATION</topic><topic>HYDROPHONES</topic><topic>SENSITIVITY</topic><topic>TEST EQUIPMENT</topic><topic>TEST METHODS</topic><toplevel>online_resources</toplevel><creatorcontrib>Blue, Joseph E</creatorcontrib><creatorcontrib>NAVAL RESEARCH LAB ORLANDO FL UNDERWATER SOUND REFERENCE DIV</creatorcontrib><collection>DTIC Technical Reports</collection><collection>DTIC STINET</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Blue, Joseph E</au><aucorp>NAVAL RESEARCH LAB ORLANDO FL UNDERWATER SOUND REFERENCE DIV</aucorp><format>book</format><genre>unknown</genre><ristype>RPRT</ristype><btitle>Evaluation of Precision and Accuracy in the Calibration of Hydrophones</btitle><date>1973-03-30</date><risdate>1973</risdate><abstract>The Underwater Sound Reference Division has made a preliminary study of the accuracy or bias measurement of hydrophone sensitivity by the comparison method and of the precision or repeatability of the measurements. To evaluate the various calibration systems, two standard hydrophones were calibrated a number of times by reciprocity with a minimum of electronic equipment. The averages from the repetitions were taken as 'true' values of hydrophone sensitivity. Three sets of calibration data then were obtained for both hydrophones with each calibration system, and the results were compared with the 'true' values to obtain estimates of the bias and confidence interval associated with each system.</abstract><oa>free_for_read</oa></addata></record>
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subjects	ACCURACY Acoustic Detection and Detectors Acoustics CALIBRATION HYDROPHONES SENSITIVITY TEST EQUIPMENT TEST METHODS
title	Evaluation of Precision and Accuracy in the Calibration of Hydrophones
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