Warning: Array to string conversion in /var/www/ojs/lib/pkp/classes/identity/Identity.php on line 73
Warning: Array to string conversion in /var/www/ojs/lib/pkp/classes/identity/Identity.php on line 73
Warning: Array to string conversion in /var/www/ojs/lib/pkp/classes/identity/Identity.php on line 73
Warning: Array to string conversion in /var/www/ojs/lib/pkp/classes/identity/Identity.php on line 73
Warning: Array to string conversion in /var/www/ojs/lib/pkp/classes/identity/Identity.php on line 73
Warning: Array to string conversion in /var/www/ojs/lib/pkp/classes/identity/Identity.php on line 73
Warning: Array to string conversion in /var/www/ojs/lib/pkp/classes/identity/Identity.php on line 73
Warning: Array to string conversion in /var/www/ojs/lib/pkp/classes/identity/Identity.php on line 73
Warning: Array to string conversion in /var/www/ojs/lib/pkp/classes/identity/Identity.php on line 73
Warning: Array to string conversion in /var/www/ojs/lib/pkp/classes/identity/Identity.php on line 73
Warning: Array to string conversion in /var/www/ojs/lib/pkp/classes/identity/Identity.php on line 73
Warning: Array to string conversion in /var/www/ojs/lib/pkp/classes/identity/Identity.php on line 73
Warning: Array to string conversion in /var/www/ojs/lib/pkp/classes/identity/Identity.php on line 73
Warning: Array to string conversion in /var/www/ojs/lib/pkp/classes/identity/Identity.php on line 73
Warning: Array to string conversion in /var/www/ojs/lib/pkp/classes/identity/Identity.php on line 73
Warning: Array to string conversion in /var/www/ojs/lib/pkp/classes/identity/Identity.php on line 73
Warning: Array to string conversion in /var/www/ojs/lib/pkp/classes/identity/Identity.php on line 73
Warning: Array to string conversion in /var/www/ojs/lib/pkp/classes/identity/Identity.php on line 73
Warning: Array to string conversion in /var/www/ojs/lib/pkp/classes/identity/Identity.php on line 73
Warning: Array to string conversion in /var/www/ojs/lib/pkp/classes/identity/Identity.php on line 73
Warning: Array to string conversion in /var/www/ojs/lib/pkp/classes/identity/Identity.php on line 73
Warning: Array to string conversion in /var/www/ojs/lib/pkp/classes/identity/Identity.php on line 73
Warning: Array to string conversion in /var/www/ojs/lib/pkp/classes/identity/Identity.php on line 73
Warning: Array to string conversion in /var/www/ojs/lib/pkp/classes/identity/Identity.php on line 73
Warning: Cannot modify header information - headers already sent by (output started at /var/www/ojs/lib/pkp/classes/identity/Identity.php:73) in /var/www/ojs/lib/pkp/classes/template/PKPTemplateManager.php on line 1499
Warning: Cannot modify header information - headers already sent by (output started at /var/www/ojs/lib/pkp/classes/identity/Identity.php:73) in /var/www/ojs/lib/pkp/classes/template/PKPTemplateManager.php on line 1500
Automatic acoustic data processing for a hydrophone intercomparison
| Instrumentation Viewpoint
The accuracy and reliability of hydrophone measurements are critical for various underwater applications. In this study, we present an automated method for acoustic data processing aimed at facilitating hydrophone intercomparison. The method employs robust tone detection to identify and segment acoustic files, enabling precise analysis of the received signals. This approach was applied to the comparison of four hydrophones, with the measurements following ISO/IEC 17043:2010 and ISO 13528:2022 standards for proficiency testing and statistical evaluation. The results demonstrate that the automated segmentation process not only improves the efficiency of data analysis but also ensures consistency across different hydrophones. The method offers significant potential for standardizing acoustic data evaluation in hydrophone calibration and intercomparison studies, contributing to more reliable performance assessments in hydrophone-based measurement system.
All papers presented at Martech will be published in both the UPCommons and the Martech organization web sites, the former being the institutional digital deposit of Universitat Politècnica de Catalunya (https://upcommons.upc.edu). This difussion will be made through the Creative Commons License Attribution-NonCommercial-NoDerivs 2.5 or similar (http://creativecommons.org/licenses/by-nc-nd/2.5/deed.en).
When sending the final paper, the author must agree to the conference having non-exclusive rights on this operation. The author will maintain his/her right to diffuse the paper elsewhere.
Warning: mkdir(): Permission denied in /var/www/ojs/lib/pkp/classes/file/FileManager.php on line 424
Warning: file_put_contents(/SAN/files_ojs/usageStats/salt): Failed to open stream: No such file or directory in /var/www/ojs/lib/pkp/classes/statistics/PKPStatisticsHelper.php on line 158
Warning: filemtime(): stat failed for /SAN/files_ojs/usageStats/salt in /var/www/ojs/lib/pkp/classes/observers/listeners/LogUsageEvent.php on line 213
Warning: file_put_contents(/SAN/files_ojs/usageStats/salt): Failed to open stream: No such file or directory in /var/www/ojs/lib/pkp/classes/statistics/PKPStatisticsHelper.php on line 158
Warning: mkdir(): Permission denied in /var/www/ojs/lib/pkp/classes/file/FileManager.php on line 424
Warning: fopen(/SAN/files_ojs/usageStats/usageEventLogs/usage_events_20260925.log): Failed to open stream: No such file or directory in /var/www/ojs/lib/pkp/classes/observers/listeners/LogUsageEvent.php on line 104
Fatal error: Uncaught TypeError: flock(): Argument #1 ($stream) must be of type resource, false given in /var/www/ojs/lib/pkp/classes/observers/listeners/LogUsageEvent.php:105
Stack trace:
#0 /var/www/ojs/lib/pkp/classes/observers/listeners/LogUsageEvent.php(105): flock(false, 2)
#1 /var/www/ojs/lib/pkp/classes/observers/listeners/LogUsageEvent.php(53): PKP\observers\listeners\LogUsageEvent->logUsageEvent('{"time":"2026-0...')
#2 /var/www/ojs/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Events/Dispatcher.php(512): PKP\observers\listeners\LogUsageEvent->handle(Object(APP\observers\events\UsageEvent))
#3 /var/www/ojs/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Events/Dispatcher.php(319): Illuminate\Events\Dispatcher->Illuminate\Events\{closure}('APP\\observers\\e...', Array)
#4 /var/www/ojs/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Events/Dispatcher.php(299): Illuminate\Events\Dispatcher->invokeListeners('APP\\observers\\e...', Array, false)
#5 /var/www/ojs/lib/pkp/lib/vendor/laravel/framework/src/Illuminate/Foundation/helpers.php(505): Illuminate\Events\Dispatcher->dispatch(Object(APP\observers\events\UsageEvent))
#6 /var/www/ojs/pages/article/ArticleHandler.php(366): event(Object(APP\observers\events\UsageEvent))
#7 [internal function]: APP\pages\article\ArticleHandler->view(Array, Object(APP\core\Request))
#8 /var/www/ojs/lib/pkp/classes/core/PKPRouter.php(327): call_user_func(Array, Array, Object(APP\core\Request))
#9 /var/www/ojs/lib/pkp/classes/core/PKPPageRouter.php(249): PKP\core\PKPRouter->_authorizeInitializeAndCallRequest(Array, Object(APP\core\Request), Array, false)
#10 /var/www/ojs/lib/pkp/classes/core/Dispatcher.php(157): PKP\core\PKPPageRouter->route(Object(APP\core\Request))
#11 /var/www/ojs/lib/pkp/classes/core/PKPApplication.php(429): PKP\core\Dispatcher->dispatch(Object(APP\core\Request))
#12 /var/www/ojs/index.php(21): PKP\core\PKPApplication->execute()
#13 {main}
thrown in /var/www/ojs/lib/pkp/classes/observers/listeners/LogUsageEvent.php on line 105