Development and launch of a high-precision aircraft noise monitoring system
First written in FY2018. 2 of 3 entries say "Advanced", first in FY2019. Latest entry: FY2020.
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- FY2020AdvancedAnnual report
「At the results presentation, using the aircraft noise monitoring system installed at Noi Bai International Airport in Hanoi, we reported on the verification and analysis of measurement data based on the measurement and evaluation manual we prepared, and proposed the need for future operational management.」
For the aircraft noise monitoring system installed at a Vietnamese airport, activities progressed through reporting the results, verifying and analyzing measurement data, and proposing operational management. - FY2019AdvancedAnnual report
「In November 2018, we installed an aircraft noise monitoring system at Noi Bai International Airport in Hanoi, the first such system installed at an airport in Vietnam, and prepared and provided a measurement and evaluation manual and conducted technical training in equipment measurement.」
Installed the aircraft noise monitoring system developed and launched in the previous fiscal year at a Vietnamese airport in November 2018, and provided a manual and technical training. - FY2018First statedAnnual report
「We developed a high-precision aircraft noise monitoring system using new products such as the compact, lightweight NA-39A precision sound level meter and launched it in October 2017.」
Developed a high-precision aircraft noise monitoring system using compact, lightweight precision sound level meters and other equipment and launched it in October 2017.