2) loading noise
加载噪声
3) extended colored-noise approximation
统一色噪声近似
1.
By means of an extended colored-noise approximation,we investigated the effects of asymmetry of the potential and noises on the mean first-passage time T+(x s1 →x s2 ) and T-(x s2 →x s1 ) in two opposite directions in an asymmetric bistable system (here x s1 and x s2 are stable points of the asymmetric bistable system).
利用统一色噪声近似理论,研究乘性色噪声和加性色噪声驱动的非对称双稳系统中,势阱的非对称性和噪声对系统两个方向的平均第一穿越时间T+(xs1→xs2)和T-(xs2→xs1)的影响(xs1和xs2是双稳系统的两个稳定点)。
4) additive white noise
加性白噪声
1.
In this paper,a Donoho and Johnstone(D-J) threshold-based approach for the estimation of variance of additive white noise corrupting a signal is presented.
本文提出了一种基于D-J阈值的加性白噪声方差估计方法。
2.
We investigated the effects of asymmetry of the potential and noises on the mean first-passage time (MFPT) in two opposite directions in an asymmetric bistable system subjected to multiplicative colored and additive white noise with a correlated noise.
研究了由关联乘性色噪声及加性白噪声驱动的非对称双稳系统中势阱的非对称性及噪声对系统两个方向平均首次穿越时间的影响。
3.
The effects of multiplicative colored noise and additive white noise on the mean first-passage time(MFPT) T_+(x_ s1 →x_ s2) and T_-(x_ s2 →x_ s1) of an optical bistable system are investigated.
研究了乘性色噪声和加性白噪声驱动的光学双稳系统中噪声对系统两个方向平均首通时间T+(xs1→xs2)和T-(xs2→xs1)的影响(平均首通时间是指从一稳态出发越过势垒到另一稳态所用时间的平均值)。
5) near carrier frequency FM noise
近载频调频噪声
1.
The mechanism of near carrier frequency FM noise for airborne weapon system is studied.
分析并建立了有规则干扰、飞机电源、连续波照射器高压纹波、连续波照射信号及其近载频噪声有关的数学模型 ,从系统角度对机载环境下导弹武器系统射频近载频调频噪声的产生机理进行了研究。
6) additive white Gaussian noise
加性白高斯噪声
1.
An improved fractal image denoising algorithm for removing additive white Gaussian noise(AWGN) was presented by adopting quadratic gray-level function.
提出了一种针对加性白高斯噪声(AWGN)的改进分形图像去噪方法。
2.
Investigations on principle of Monte Carlo simulation was made when considering characteri-(stics) of AWGN(additive white Gaussian noise) channel and the affects of three suitable parameters: error number,confidence probability and max relative error of simulation result.
研究了蒙特卡罗仿真原理和仿真结果置信度;结合AWGN(加性白高斯噪声)信道特点,甄选出3个合适的参量,即误码个数、置信概率和仿真结果最大相对误差;提出了AWGN信道下仿真数据量选取的一般性结论,即误码个数正比于置信区间上分位点的平方、反比于最大相对误差的平方。
补充资料:白噪声
白噪声
white noise
白噪声[咖te俪se;6e几u曲川yM] 有常值谱密度(sPeet阁de招ity)的广义平稳随机过程(stationa理stochasticP联ess)X(t).白噪声的广义相关函数形如刀(r)二。’占(t),其中叮’是正常数而占(t)是吞函数.白噪声过程被广泛应用于描述有很小相关周期的随机扰动(例如“热噪声”—导体中由电子的热运动产生的电流强度的脉动).在白噪声的谱分解 x(。)一丁。!、!d:(、)中,其“基本振动”e“‘d:(又)在所有频率又处都有同样的平均强度;更确切些说,它们的平均平方振幅是 Eld:(洲2一兰以一二<伙二. 2兀这个谱分解意味着,对每一平方可积函数甲(t),
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条