Finally, the internal and external noise measuring instrument trend of development is discussed.
噪声测量仪已由一般的声级计发展到噪声实时分析仪。
Measurement of airborne noise emitted by rotating electrical machinery and the noise limits--Noise limits
GB10069.3-1988旋转电机噪声测定方法及限值噪声限值
Measurement of airborne noise emitted by rotating electrical machinery and the noise limits--Engineering method for the measurement of airborne noise
GB/T10069.1-1988旋转电机噪声测定方法及限值噪声工程测定方法
Measurement of airborne noise emitted by rotating electrical machinery and the noise limits--Survey method for the measurement of airborne noise
GB/T10069.2-1988旋转电机噪声测定方法及限值噪声简易测定方法
Determination for noise emitted by arc welding machines
GB/T13165-1991电弧焊机噪声测定方法
Measurement at the operator's position of airborne noise emitted by brush saws
GB/T14178-1993割灌机操作者耳旁噪声测定方法
Acoustics - Determination of occupational noise exposure and estimation of noise-induced hearing impairment???
声学－－职业性噪声暴露测定和噪声听力损伤估算
Determination of sound power level for noise emitted by woodworking machinery
GB/T3770-1983木工机床噪声声功率级的测定
Determination of sound power levels of noise emitted by household electrical appliances
GB/T4214-1984家用电器噪声声功率级的测定
Method of measurement of current noise generated in fixed resistors
GB/T7016-1986固定电阻器电流噪声测量方法
Portable pneumatic extinguishers Measurement of airborne noise at the operator's ear
便携式风力灭火机 耳旁噪声的测定
Earth-moving machinery--Noise limits
GB16710.1-1996工程机械噪声限值和测定
Acoustics--Determination of sound power levels of noise sources using sound intensity--Part 2: Measurement by scanning
GB/T16404.2-1999声学声强法测定噪声源的声功率级第2部分：扫描测量
Acoustics--Determination of sound power levels of noise sources using sound pressure--Survey method using a reference sound source
GB/T16538-1996声学声压法测定噪声源声功率级使用标准声源简易法
Acoustics--Determination of sound power levels of noise sources--Precision methods for anechoic and semi-anechoic rooms
GB/T6882-1986声学噪声源声功率级的测定消声室和半消声室精密法
Acoustics--Measurement of noise emitted by stationary road vehicles
GB/T14365-1993声学机动车辆定置噪声测量方法
Measurement of audio-frequency noise voltage level in sound broadcasting
GB/T17147-1997声音广播中音频噪声电平的测定
Determination of sound power levels of noise emitted by metal cutting machine tools
GB/T4215-1984金属切削机床噪声声功率级的测定
Determination of sound power level for noise emitted by reciprocating pump--Engineering method
GB/T9069-1988往复泵噪声声功率级的测定工程法