1) noise cancellation
噪声抵消
1.
Application of ELMS algorithm in noise cancellation
ELMS算法在噪声抵消中的应用
2.
Starting with an adaptive noise cancellation technique-least mean square(LMS) method-to separate voice signals from strong background noises and, specifically, analysing the performance of this algorithm to find its demerits such as sluggish convergence and narrow wave band of signal extraction, an improved algorithm of adaptive least mean square with momentum factor is presented.
采用从强背景噪声中提取话音信号的自适应噪声抵消技术———最小均方误差(LMS)入手,对该算法的性能进行了分析,针对其收敛速度慢、提取信号频带窄的缺点,提出了改进的有动量因子的自适应最小均方误差算法(MLMS)。
3.
With the development of communication technology,self-adaptive noise canceller(ANC) is widespread applied in many fields,and adaptive noise cancellation technology is playing very important role in signal processing.
随着通信技术的发展,自适应噪声抵消器在现在信号处理中得到越来越广泛的应用。
2) noise canceling
噪声抵消
1.
Adaptive noise canceling by using adaptive network based fuzzy inference system;
基于自适应网络模糊推理系统的噪声抵消
2.
The application of acoustic vector-sensor in the noise canceling;
自适应噪声抵消在矢量传感器方位估计中的应用
3.
Based on the analysis of the nonuniformity noise characteristics in infrared focal plane arrays, an adaptive algorithm for nonumiformity correction in infrared focal plane arrays by using noise canceling technique is proposed in this paper.
在分析了红外焦平面阵列非均匀性的噪声特性基础上 ,提出用噪声抵消的方法来对红外焦平面阵列的非均匀性进行自适应校正 ,针对实际图像进行了实验 ,结果表明该方法比神经网络法能得到更好的校正效果 。
3) adaptive noise cancellation
噪声抵消
1.
Genetic Algorithm Approach to Mixed Fixed H_2/H_∞ Optimal Adaptive Noise Cancellation;
基于快速遗传算法的固定阶H_2/H_∞自适应噪声抵消器
2.
Adaptive Noise Cancellation Using Adaptive Fuzzy Neural Networks Algorithm;
基于自适应模糊神经网络的噪声抵消器
3.
In order to avoid the trap of local minima,a design method based on the genetic algorithm was introduced to treat the nonlinear optimization of the fixedorder optimal adaptive noise cancellation.
讨论了同一噪声源多传感信号的自适应噪声抵消器的设计方法·针对同一信号源的多传感信号,采用快速遗传算法获取多路信息融合器(LC)的权系数及自适应噪声抵消器的系数,克服了基于梯度的搜索算法和随机搜索等算法获取最优滤波器参数难的问题·利用遗传算法自适应调整LC的权系数,克服了采用并行噪声抵消器的输出平均作为估计信号时,可能造成估计误差太大的缺陷·仿真结果表明,该自适应噪声抵消器的设计方法,不仅实现简单、运行时间短,而且充分利用了多传感信号的信息,其去噪效果良好
4) narrowband noise cancellation
窄带噪声抵消
1.
To mitigate this problem,a new system for narrowband noise cancellation using the online secondary path modeling method is proposed.
针对这一问题,一种新的、用于窄带噪声抵消的在线建模ANC系统被提出:利用峰值滤波器对真实次级通道进行重构,新的传递函数能够不失真地重现待抵消噪声所在频段的次级通道频率响应,并对其它频段进行抑制。
5) adaptive noise cancellation
自适应噪声抵消
1.
The implication of the adaptive noise cancellation to suppress the electrosurgical interference from the ECG monitor;
自适应噪声抵消在抑制高频电刀对心电监护仪干扰中的应用研究
2.
On the basis of analyzing 4 layers forward artificial neural networks which is based on BP algorithms and basic principles of the adaptive noise cancellation system,set up an adaptive noise cancellation system based on artificial neural network.
在系统阐述了自适应滤波器和自适应噪声抵消器基本原理的基础上,利用神经网络的特点,设计了基于四层神经网络的自适应噪声抵消系统,克服了传统自适应滤波器需要两路输入信号统计相关的特点。
3.
An adaptive noise cancellation method is presented to extract desired signal from array cross talk signals, and is used to microphone array speech enhancement.
本文提出了一种针对阵列交叉串扰信号的自适应噪声抵消方法 ,并将其用于麦克风阵语音增强 。
6) Adaptive noise canceling
自适应噪声抵消
1.
In view of the development of an adaptive Fetal Electrocardiogragh(FECG) and the characteristics of distilling the FECG,this paper researched and implemented several adaptive noise canceling algorithms,which are based on the principle of ANC.
文中针对研制自适应胎儿心电图仪和提取胎儿心电(FECG)信号的特点,根据自适应噪声抵消(ANC)原理,研究与实现了几种自适应噪声抵消软件算法,滤除母亲心电(MECG)和其它干扰,无创无损提取胎儿心电信号。
2.
Because the general photodiode array detector(PDAD) cannot avoid the noise and drift resulted from the intensity fluctuation of the light source,a PDAD based on the adaptive noise canceling was designed.
由于普通光电二极管阵列检测器(PDAD)无法克服光源波动造成的影响,设计开发了一种采用自适应噪声抵消技术的PDAD。
3.
So the paper will adopt adaptive noise canceling technology.
本论文采用自适应噪声抵消技术，从含噪信息中提取故障信息。
补充资料：抵消
抵消
undoing
抵消(undoing)亦称“解脱作用”。一种在潜意识中操作的心理防御机制，指一个人以象征性的、反向的活动或事物来抵消个人所不能接受的和已经做了的事，希望以此解除自己的焦虑。例如，某些人做了对不起别人的事情后，热衷于宗教活动，或将靠不当手段得到的财富用来修造庙宇，借此减少罪恶感和自我谴责的内心痛苦。某些强迫症病人所表现的强迫性仪式动作，也可以看作“抵消”机制的表现形式。 (梁宝勇撰牟文博审)
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