1) 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)。
2) 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。
3) additive white Gaussian noise
加性高斯白噪声
1.
The analysis procedure of AWGN(additive white Gaussian noise) through noisy linear circuits is given in detail using the theory of equivalent computation of noise power density.
从噪声功率谱的等效计算出发,给出了加性高斯白噪声通过有噪线性电路的分析方法。
2.
Simple closed-form expressions for the probability of error for nonuniform 16-differential amplitude phase-shift-key (DAPSK) signaling over an additive white Gaussian noise (AWGN) and Rayleigh fading channels are presented.
导出了加性高斯白噪声和Rayleigh衰落信道上非均匀16-DAPSK错误概率的简单闭合表达式。
4) AWGN
加性高斯白噪声
1.
In this paper,the character of Additive White Gaussian Noise(AWGN) cannels is analyzed.
重点研究了在脉冲位置调制、脉冲幅度调制和二进制相移键控调制方式下,接收机抗距离衰落和加性高斯白噪声性能。
2.
Fi- nally,the simulation result of BCH codes in AWGN channel is given.
阐述了DVB-S2中BCH码的编译码算法,讨论了通过C语言实现DVB-S2中BCH码软件编译码的关键问题和解决方法,给出了其在加性高斯白噪声信道中的性能仿真结果。
5) additive Gaussian white noise
加性高斯白噪声
1.
m sequences are used as spread spectrum sequences; Simulation of the biterrorrate(BER) performance of DS/CDMA multiuser systems in an additive Gaussian white noise channel is investigated by using MonteCarlo method and importance sampling technique.
采用 m序列作为扩频序列 ,利用蒙特卡罗方法和重要抽样技术对 DS/CDMA多用户通信系统在加性高斯白噪声信道下的误码率进行仿真研究。
6) additive noise
加性噪声
1.
Research on speech recognition compensation for additive noise;
语音识别中的加性噪声补偿研究
2.
The characters of riddled basins in coupled chaotic synchronized maps with additive noises;
耦合映射混沌同步系统在加性噪声中的筛形域性态
3.
According to the excellent generalization performance and global optimal property for peak of SVM,the method can suppress the random additive noise more effectively in contrast with traditional ones.
由于利用了SVM泛化能力强、全局最优等特点,因此该方法与传统方法相比,能更有效地抑制随机加性噪声。
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