Standard Code | Standard Title | Standard Class | Order |
---|---|---|---|
GB/T 41311.1-2022 |
Acoustics - Describe the quantity of underwater noise from ships and methods of measurement - Part 1: Requirements for precision measurements in deep water for comparison purposes {译} 声学 描述船舶水下噪声的量及其测量方法 第1部分:用于比对目的的深水精密测量要求 |
China National Standards Acoustics Methods the |
![]() English PDF |
GB/T 34828-2017 |
Acoustics—Test methods for the qualification of free-field environments 声学 自由场环境评定测试方法 |
China National Standards Acoustics Methods the |
![]() English PDF |
GB/T 20249-2006 |
Acoustics - Definitions and measurement methods for the transmitted fields of focusing ultrasonic transducers 声学 聚焦超声换能器发射场特性的定义与测量方法 |
China National Standards Acoustics Methods the |
![]() English PDF |
GB/T 18022-2000 |
Acoustics--Methods for measuring the longitudinal sound speed and attenuation coefficient of rubbers and plastics in the frequency range 1 MHz to 10 MHz 声学 1~10 MHz频率范围内橡胶和塑料纵波声速与衰减系数的测量方法 |
China National Standards Acoustics Methods the |
![]() English PDF |
GB/T 15485-1995 |
Acoustics--Methods for the calculation of the articulation index of speech 声学 语言清晰度指数的计算方法 |
China National Standards Acoustics Methods the |
![]() English PDF |
Find out:5Items | To Page of: First -Previous-Next -Last | 1 |