Примеры использования Noise measurement на Английском языке и их переводы на Русский язык
{-}
-
Official
-
Colloquial
Every individual noise measurement shall be evaluated.
He questioned the methodology applied for the evaluation of the noise measurement data.
Every individual noise measurement shall be evaluated.
From September, at Riga International Airport a new service will be available- environmental noise measurement.
Table 5.4-3: Measured parameters and methods of noise measurement at the SPZ boundary.
GRB noted the position of OICA(GRB-53-04) on the introduction of new limit values for noise measurement method B.
P4 noise measurement in the igus lab on long travel at a clearance of 1 m to the application.
To introduce the tyre rolling noise measurement on ISO 10844 test track;
Improved noise measurement procedures for stationary and accelerating motorcycles.
The tests shall not be carried out if the wind speed, including gusts,at microphone height exceeds 5 m/s, during the noise measurement interval.
E Passenger Car Noise Measurement Method- A New Concept Developed by ACEA.
Informal document No. 11 concerning the development of an urban driving cycle to be used for noise measurement was presented by the expert from ISO.
The detection limit is based on the noise measurement close to the retention time of N2O reference DIN 32645, 01.11.2008.
The expert from Germany introduced GRB-42-10 regarding different scenarios for the implementation of the new test method for noise measurement into Regulation No. 51.
The study results showed that current noise measurement requirements(using A-filter) led to an underestimation of low frequencies.
The expert from the Russian Federation presented GRB-42-4 regarding the need of feasibility studies for the introduction of the new test method for noise measurement.
Noise measurement services are provided by the Environmental Noise Laboratory of the Quality Department of Riga International Airport, which is accredited according to the requirements of laws and regulations.
A value of the ambient air temperature, wind speed and direction, relative humidity, andbarometric pressure shall be recorded during the noise measurement interval and shall be stated in the test report.
Noise measurement services are provided by the Environmental Noise Laboratory of the airport's Quality Assurance Department and it is accredited in conformity with the effective laws and regulations.
He stated that the European Automobile Manufacturers Association(ACEA) had launched parallel evaluations,by two independent consultants, of the noise measurement data collected during the monitoring phase.
He entered a reservation to the test method which had been proposed for tyre-road noise measurement(motor vehicle coast-by procedure) and justified this by referring to the overall vehicle noise measurement by the procedure defined in Regulation No. 51.
The Chairman volunteered to prepare, for the next WP.29 session in November, together with the experts from OICA,a presentation concerning the procedure on how to insert the new test method for noise measurement into the Regulation.
GRB followed with interest a presentations by IMMA andISO concerning the need for updating Regulation No. 41 with regard to improved noise measurement procedures for stationary and accelerating motorcycles informal document No. GRB-40-10 and GRB-40-11.
The measurements shall be made when the ambient air temperature is within the range from 5 °C to 45 °C. The tests shall not be carried out if the wind speed, including gusts,at microphone height exceeds 5 m/s, during the noise measurement interval.
In the discussion which followed, the expert from OICA said that ISO 10844 test track had been developed for Regulation No. 51 noise measurement and for a different test method, the coast-by, the measurement spread might well exceed the design value of 2 dBA.
To ensure that hybrid vehicles comply with the noise limits set out in Directive 97/24/EC in all their running modes it is also necessary to adapt the type-approval test procedure used for noise measurement set out in Directive 97/27/EC.
With regard to the elaboration of an improved test method for noise measurement of motor vehicles, the Chairman of the informal working group on Regulation No. 51, Mr. Ch. Theis(Germany), reported on the results of the group's informal meetings held on 13 December 2004(London) and on 24-26 January 2005 Berlin.
Although GRB agreed to consider the proposal by the Russian Federation, it was suggested as an interim solution that the authorities could use the ISO 5130,which included test methods for exhaust noise measurement of both heavy- and light-duty vehicles.