An Analysis of the Video Noise Power and the Weighted Compression;
电视视频噪声功率与加权压缩分析
This paper gives the ASE noise of fiber Raman amplifier with forward coupled equation,getting the losing of noise power brought by ASE noise,analyzing the relation between ASE noise power and attenuation of signal,as well as the length of fiber transmission.
通过此简化模型 ,得出了由ASE噪声引起的噪声功率损失 ,进而分析了ASE噪声功率与信号的衰减及传输距离的关
In light of the fact that the noise power is affected by the change of the channel order,a novel algorithm is proposed.
根据噪声功率随信道阶数的变化特点,提出一种新的阶数估计算法。
The concept of" equivalent noisy power spectral density" is introduced in this paper.
文中提出等效噪声功率谱密度的概念。
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
Study of Upper Frequency Limit and Noise Output Power Characteristics for Microwave Solid State Noise Diodes
微波固体噪声二极管频率上限和噪声输出功率性能的研究
Noise limits for small and medium power diesel engines
GB14097-1993中小功率柴油机噪声限值
Study on Control Technique for Noise of High Power Diesel Engines in Mine
矿山大功率柴油机噪声控制技术研究
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
Determination of sound power levels of internal combustion engines noise-Quasi-engineering method
GB/T1859-1989内燃机噪声声功率级的测定准工程法
Determination of sound power level for noise emitted by centrifuger separator and filter - Engineering method
GB/T10894-1989分离机械噪声声功率级的测定工程法
Identification of Noise Sources on Air-conditioner Unit and Sound Power Measurement with Air-flow;
空调机噪声源识别与气流下声功率测量
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--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--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
The first term of the integrand represents the contribution to the error power due to noise.
被积函数的第一项表示噪声对误差功率的影响。
RECOGNIZING SHIP OBJECTS BY THE SHAPE OF AVERAGED POWER SPECTRUM OF RADIATED NOISE
按辐射噪声平均功率谱形状识别船舶目标
The DC and Noise Characteristics of High Power Laser Diodes;
大功率半导体激光器直流与噪声特性研究