1.
DBRN (Decibels above Reference Noise)
超过基准噪声的分贝数
2.
decibels above reference noise
超出参考噪声分贝数;超过基准噪声的分贝数
3.
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
4.
Impact of Phase Noise in Reference Oscillator on PLL
基准振荡器相位噪声对载波锁相环的影响
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.
Noise emitted by machinery and equipment--Guidelines for the preparation of test codes of engineering grade requiring noise measurements at the operator's or bystander's position
GB/T13325-1991机器和设备辐射的噪声操作者位置噪声测量的基本准则(工程级)
7.
Study of Phase Noise Suppression Algorithm and Hardware Implementation of an OFDM System Based on IEEE 802.11a Standard;
基于IEEE 802.11a标准的OFDM系统相位噪声抑制算法及其硬件实现研究
8.
Low-frequency Noise Measurement System Design and Reliability Screening Methods Study of Reference Diodes
基准二极管低频噪声测试系统设计及其可靠性筛选方法研究
9.
Amplitude Calibration for Jamming Reconnaissance Receiver Based on Solid-State Noise Source
基于固态噪声源的干扰侦察接收机幅度校准技术
10.
Filter Reduces 1/f Noise in Ultra-Precision Voltage References
在超高精度电压基准中利用滤波器降低l/f噪声
11.
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
12.
By 2008, the noise in the constructed urban areas should basically reach the national standard, the electric-magnetic radiation and radioactivity should be maintained complying with national standards.
到2008年城市建成区噪声基本达到国家标准。 电磁辐射和放射性环境继续符合国家标准。
13.
By 2008, the noise level in urbanized areas will be reduced to meet the national standard and the electromagnetic radiation and radioactive environment will remain to be up to the national standard.
到2008年，城市建成区噪声基本达到国家标准，电磁辐射和放射性环境继续符合国家标准。
14.
Two-stage impulse noise filtering algorithm based on PCNN noise detection
基于PCNN噪声检测的两级脉冲噪声滤波算法
15.
A Wideband Low Noise Amplifier Using Noise-Canceling Technique
一种基于噪声抵消技术的宽带低噪声放大器
16.
Improvement of CMOS LNA by noise reduction and linearity
基于噪声相消和线性度提高的低噪声放大器
17.
Standard of aircraft noise for environment around airport
GB9660-1988机场周围飞机噪声环境标准
18.
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