From the rate and propagation equations describing Ytterbium-doped fiber amplifier system,the gain and noise figure are calculated,and the effect of pump power and device length on gain and noise is also discussed with 975nm pump wavelength.
对连续工作方式下掺Yb光纤放大器的增益与噪声特性进行理论研究,从描述掺Yb光纤放大器的速率方程与光传输方程出发,计算了掺Yb光纤放大器的增益与噪声指数,讨论在975nm泵浦光的作用下,泵浦功率、器件长度对放大器增益和噪声指数的影响。
The maximum effective noise figure (ENF) is -0.
信号经 60km的普通单模光纤传输后 ,平均开关增益为 1 6 5dB ,增益平坦度为 1 5dB ,最大等效噪声指数为 - 0 9dB 。
, the switch speed, extinction ratio, noise figure and dynamic range, of the SOA to be used as the gate, are analyzed.
对ＳＯＡ 作为开关中的选通门的四个性能参数即开关速度、消光比、噪声指数和动态范围作了分析，指出了改善各性能参数的途径。
noise figure measuring set for microwave equipment
微波噪声指数测量仪
measuring set of noise figure of TWT
行波管噪声指数测量装置
The Parameters Identification Procedure for the Exponential Model with Additive Noise Apply in Oil Field
加性噪声指数模型的参数辨识方法及在油田上的应用
Traffic noise in this housing estate was assessed using Noise Impact Index (NII).
应用噪声冲击指数法对小区交通噪声进行总体评价 .
Noise Trading, H Exponent and the Efficiency of Exchange Market of China;
噪声交易、H指数与中国外汇市场效率研究
Lévy White Noises and Fractional Lévy Noises on Gel'fand Triple
Gel'fand三元组上的Lévy白噪声和分数Lévy噪声
Noise margin refers to the maximum noise voltage that can be added to the generated signal in a digital circuit before an undesirable change is caused in the circuit output.
噪声极限就是指可以加在数字电路的正常信号上，而又不对正常输出造成危害的最大噪声。
Estimation of Correlation Dimensions and Lyapunov Exponent of Typical Nonlinear Systems under the Bounded Noise Excitation;
有界噪声激励下典型非线性系统的关联维数和Lyapunov指数估计
(1) "Noise emission" means emission of noise from the source to the living environment of the neighbourhood.
（一）“噪声排放”是指噪声源向周围生活环境辐射噪声。
DBRN (Decibels above Reference Noise)
超过基准噪声的分贝数
Calculation of the Lyapunov exponent for low frequency noise in semiconductor laser and chaos indentification
半导体激光器低频噪声的Lyapunov指数计算和混沌状态判定
Singular Point Analyses of One-Dimensional Diffusion Processes and Maximal Lyapunov Exponents in Stochastic Bifurcation System
白噪声参激余维2分岔系统奇点分析及最大Lyapunov指数
decibels above reference noise
超出参考噪声分贝数;超过基准噪声的分贝数
Acoustics--Guidelines for the design of low-noise workplaces--Noise control strategies
GB/T17249.1-1998声学低噪声工作场所设计指南噪声控制规划
Acoustic Reflex Growth Function in Noise Induced Hearing Loss
噪声性听觉损害的声反射增长函数
Sonar array flow noise data acquisition based on TMS320VC5509A
基于TMS320VC5509A的声呐阵流噪声数据采集系统
randomly-modulated carrier
随机调制载波(一般指噪声调制的载波)
deaden (a sound or noise), esp. by wrapping.
尤指用包装使声音或噪音消失。
