发布时间:2024-05-27 17:49:26 - 更新时间:2024年06月29日 15:22
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本标准规定了测量水下噪声的条件和方法,以使所获得的测量数据结果能够对照和比较。本标准适用于大洋深海、陆架浅海、港口和海湾等处所的水下噪声测量。 本标准的适用频率范围:20Hz~20kHz. 本标准规定的测量结果可以为声纳系统设计、水声装备作用距离分析和预估、舰艇水下辐射噪声测量的背景修正等的分析
Acoustics.Measurement of underwater noise
Measurement method of ship underwater noise
Method for measuring underwater self-noise of ships
Measurement method of underwater radiated noise from ships
GUIDE FOR THE CLASSIFICATION NOTATION UNDERWATER NOISE AND EXTERNAL AIRBORNE NOISE
Noise of machines. Liquid pumps. Noise tests
Underwater acoustics — measurement of underwater ambient sound
Calibration Specification for Underwater Noise Sources in the Frequency Range 20 Hz to 100 kHz
本标准规定了对铁磁性材料及构件进行磁巴克豪森噪声检测的一般要求。 本标准适用于为有关产品、设备、材料磁巴克豪森噪声检测标准或书面作业指导书的制定提供指南
Non-destructive testing—Magnetic Barkhausen noise testing
采用声纳法测量水下、地下的水流速度、方向、流量、渗透系数等土木工程勘察、设计、施工所必须的现场数据
Technical specification for sonar seepage detection of underwater engineering
Acoustics — Measurement of noise emitted by passenger cars under conditions representative of urban driving
本标准规定了市区行硬条件下轿车噪声测量方法。该测量方法试图重现在规的、使用变速器中间档位(齿轮)的城市交通状况下,仅在5%总行驶时间内超过的噪声级,这样的噪声级与轿车在市区行驶条件下所发射的等效连续A计权声压级LAeq,T具有良好的相关性。 本标准适用于市区行驶的轿车
Acoustics--Measurement of noise emitted by passenger cars under conditions representative of urban driving
本标准规定了地下铁道车站站台噪声和混响时间的测量方法。 本标准适用于对各种形式、结构的地下铁道车站站台噪声和混响时间进行评价时的测量
Noise measurement of subway station platforms
Acoustics. Measurement of airborne noise emitted by earth-moving machinery. Method for determining compliance with limits for extorior noise. Stationary test cordition
Specification for verification of white noise testing equipment
本标准规定了测量水下噪声的条件和方法,以使所获得的测量数据结果能够对照和比较。本标准适用于大洋深海、陆架浅海、港口和海湾等处所的水下噪声测量。 本标准的适用频率范围:20Hz~20kHz. 本标准规定的测量结果可以为声纳系统设计、水声装备作用距离分析和预估、舰艇水下辐射噪声测量的背景修正等的分析
Acoustics.Measurement of underwater noise
Measurement method of ship underwater noise
Method for measuring underwater self-noise of ships
Measurement method of underwater radiated noise from ships
GUIDE FOR THE CLASSIFICATION NOTATION UNDERWATER NOISE AND EXTERNAL AIRBORNE NOISE
Noise of machines. Liquid pumps. Noise tests
Underwater acoustics — measurement of underwater ambient sound
Calibration Specification for Underwater Noise Sources in the Frequency Range 20 Hz to 100 kHz
本标准规定了对铁磁性材料及构件进行磁巴克豪森噪声检测的一般要求。 本标准适用于为有关产品、设备、材料磁巴克豪森噪声检测标准或书面作业指导书的制定提供指南
Non-destructive testing—Magnetic Barkhausen noise testing
采用声纳法测量水下、地下的水流速度、方向、流量、渗透系数等土木工程勘察、设计、施工所必须的现场数据
Technical specification for sonar seepage detection of underwater engineering
Acoustics — Measurement of noise emitted by passenger cars under conditions representative of urban driving
本标准规定了市区行硬条件下轿车噪声测量方法。该测量方法试图重现在规的、使用变速器中间档位(齿轮)的城市交通状况下,仅在5%总行驶时间内超过的噪声级,这样的噪声级与轿车在市区行驶条件下所发射的等效连续A计权声压级LAeq,T具有良好的相关性。 本标准适用于市区行驶的轿车
Acoustics--Measurement of noise emitted by passenger cars under conditions representative of urban driving
本标准规定了地下铁道车站站台噪声和混响时间的测量方法。 本标准适用于对各种形式、结构的地下铁道车站站台噪声和混响时间进行评价时的测量
Noise measurement of subway station platforms
Acoustics. Measurement of airborne noise emitted by earth-moving machinery. Method for determining compliance with limits for extorior noise. Stationary test cordition
Specification for verification of white noise testing equipment