MEASUREMENTS OF AIRCRAFT EXTERIOR NOISE IN THE FIELD
飞机外部噪声的野外测量

2002-12-16

Транзисторы полевые. Метод измерения коэффициента шума
场效应晶体管 噪声系数测量技术

토공기계 — 음향 파워 레벨의 측정 — 고정식 시험 조건
声学.土方机械发出的外部噪声的测量.固定试验条件

2017-09-28

토공기계 — 음향 파워 레벨의 측정 — 고정식 시험 조건
声学土方机械外部噪声测量静止试验条件

2017-09-28

ACOUSTICS. MEASUREMENT OF EXTERIOR NOISE EMITTED BY EARTH-MOVING MACHINERY. DINAMIC TEST CONDITIONS.
声学土方机械发出的外部噪声测量 DINAMIC测试条件

1992-10-15

Акустика. Измерение внешнего шума, излучаемого землеройными машинами. Испытания в динамическом режиме
声学 土方机械发出的外部噪音的测量 动态测试条件

Standard Test Method for Field Measurement of Air Leakage Through Installed Exterior Windows and Doors
通过安装的外门窗进行空气泄漏现场测量的标准试验方法

2018-10-01

Measurement Methods for Film and Digital Motion-Picture Camera Acoustical Noise - Field Method
胶片和数字电影摄影机声噪声的测量方法.场法

2014-02-11

Транзисторы полевые. Метод измерения э.д.с. шума
场效应晶体管 短路等效输入噪声电压测量技术

Measurement of Exterior Noise Produced by Aircraft Auxiliary Power Units (APUs) and Associated Aircraft Systems During Ground Operation
地面操作期间飞机辅助动力装置（APU）和相关飞机系统产生的外部噪声测量

2013-04-09

Measurement of Far Field Noise from Gas Turbine Engines During Static Operation (Stabilized: Dec 2020)
静态运行期间燃气轮机发动机远场噪声的测量（稳定:2020年12月）

2020-12-21

Mechanical vibration. Ground-borne noise and vibration arising from rail systems-Guideline on field measurements for the evaluation of human exposure in buildings
机械振动 轨道系统产生的地面噪声和振动

2018-01-05

Acoustics - Measurement of airborne noise emitted by rotating electrical machinery, Part 1: Engineering method for free-field conditions over a reflective plane
声学旋转电机发出的空气噪声测量第1部分:反射面上自由场条件的工程方法

1990-05-07

Mechanical vibration — Ground-borne noise and vibration arising from rail systems — Part 31: Guideline on field measurements for the evaluation of human exposure in buildings
机械振动 - 轨道系统产生的地面噪声和振动 - 第31部分:评估住宅楼投诉的测量

2017-12-07

机械振动 轨道系统产生的地面诱导结构噪声和地传振动 第31部分：建筑物内人体暴露评价的现场测量指南
Mechanical vibration—Ground-borne noise and vibration arising from rail systems—Part 31: Guideline on field measurements for the evaluation of human exposure in buildings

2023-03-17

BS EN ISO 11201. Acoustics. Noise emitted by machinery and equipment. Measurement of emission sound pressure levels at a work station and at other specified positions in an essentially free field over a reflecting plane with negligible environment corrections
BS EN ISO 11201 声学机器和设备发出的噪音 在反射面上方的基本自由场中 在工作站和其他指定位置测量发射声压级 环境修正可忽略不计

2008-01-16