1.
A SIMPLE METHOD FOR CALIBRATION OF UNDERWATER STANDARD NOISE SOURCE--PULSE METHOD CALIBRATION
校准水下标准噪声源的一种简易方法——脉冲校准法
2.
Acoustics--Determination of sound power levels of noise sources--Requirements for the performance and calibration of reference sound source
GB/T4129-1995声学噪声源声功率级的测定--标准声源的性能要求与校准
3.
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
4.
A Calculation Method for the Output Noise Temperature of Standard Thermal Noise Source
一种热噪声标准源等效输出噪声温度的计算方法
5.
Acoustics--Determination of sound power levels of noise sources--Guide lines for the use of basic standards and for the preparation of noise test codes
GB/T14367-1993声学噪声源声功率级的测定使用基础标准与制订噪声测试规范的准则
6.
This noise source can give a standard noise with an excess noise ratio up to & db. , the maxium possible error being ±0.2 db. .
表明这种噪声源可给出超额噪声比达8分贝的标准噪 声,误差不大于±0.23分贝。
7.
Standard of aircraft noise for environment around airport
GB9660-1988机场周围飞机噪声环境标准
8.
Clutter Filtering Modes of MTI Radar Source and the Methods of Sampling Side-Band Noise Mcasurment……
动目标显示雷达的信号源噪声过滤模型及取样边带噪声的测量
9.
The Effect of Impulse Noise on Man and Ifs Hygienic Standardization
脉冲噪声的卫生学调查及其卫生标准的探讨
10.
A wideband low noise amplifier for multi-standard receivers
一种用于多标准接收机的宽带低噪声放大器
11.
Standardized Mandarin Sentence Perception in Babble Noise Test Materials for Children
嘈杂语噪声下普通话儿童语句测听表的标准化
12.
A Novel Ultra Low Noise CMOS Voltage Reference Circuit with Digital Calibration Scheme
一种新型带数字校准的超低噪声CMOS参考电压源
13.
Acoustics--Standard ultrasonic power source
GB/T14368-1993声学标准超声功率源
14.
Simulation of Calibration Noise Sources About Spaceborne Microwave Radiometer
星载微波辐射计定标噪声源的计算机仿真研究
15.
FM and AM noise of the oscillator is one of the important specifications.
振荡源的调频调幅噪声是一项重要的技术指标.
16.
The maximal limitation for noise outburst at night should not exceed15 db.
夜间突发的噪声,其最大值不准超过标准值15分贝。
17.
Article 43 Noise level at the boundary of newly-constructed profit- making cultural and entertainment centers must be kept within the limits of environmental noise emission set by the State.
第四十三条 新建营业性文化娱乐场所的边界噪声必须符合国家规定的环境噪声排放标准;
18.
The exhaust noise is the main source of the cab.
排气噪声是驾驶室内主要噪声来源。