1.
RETSPL Value of Quantity Comparison and Evaluation of Uncertainty
基准等效听阈声压级全国量值比对及数据不确定度分析
2.
Acoustics--Reference equivalent threshold sound pressure levels for pure tones and insert earphones
GB/T16402-1996声学插入式耳机纯音基准等效阈声压级
3.
A-weighted equivalent continuous sound pressure leve
Ａ加权等效连续声压级
4.
a unit of perceived loudness equal to the loudness of a 1000-hertz tone at 40 dB above threshold.
响度单位等于赫的纯音声压级在闻阈上分贝时的响度。
5.
Acoustics--Reference zero for the calibration of audiometric equipment Part 4: Reference levels for narrow-band masking noise
GB/T4854.4-1999声学校准测听设备的基准零级第4部分：窄带掩蔽噪声的基准级
6.
equivalent continuous sound level normalized to 8 hours
以八小时为基础的等效连续声级
7.
Design of Voltage Reference Based on CMOS Threshold Voltage
基于CMOS阈值电压的基准电路设计
8.
equivalent input sound pressure of microphone
传声器等效输入声压
9.
Acoustics--Audiometric test methods--Basic pure tone air and bone conduction threshold audiometry
GB/T16403-1996声学测听方法纯音气导和骨导听阈基本测听法
10.
Multiple-output CMOS weak inversion voltage reference of high PSRR
高电源抑制比的CMOS亚阈值多输出电压基准
11.
graduated base relief gradient
分等级的基准宽减梯度
12.
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
13.
Conclusion The workplace can be classified by equivalent consecutive sound level A.
结论噪声作业可以用等效连续A声级来进行分级。
14.
Compression and coding of underwater acoustic signal based on wavelet packet transform and the improved threshold principle
基于小波包变换及改进阈值法则的水声信号压缩
15.
Comparison of Equivalent Regional Environmental Noise Level in State-Controlled Cities in 2001
2001年度国控城市区域环境噪声等效声级比较
16.
Acoustical levels and reference quantities
GB/T3238-1982声学量的级及其基准值
17.
Acoustics--Pure tone air conduction threshold audiometry--For hearing conservation purposes
GB/T7583-1987声学纯音气导听阈测定听力保护用
18.
Analysis on the hearing threshold value of normal hearing people under different background noises
健听人在不同本底噪声环境中的听阈值分析