1) noise density estimation
噪声强度估计
1.
In order to improve the performance of median filter and enhance adaptability for different intensity pepper-salt noise,a median filter based on noise density estimation is proposed.
为了提高中值滤波器的滤波性能和适应不同强度的椒盐噪声,提出了基于噪声强度估计的中值滤除算法。
2) noise level estimation
噪音强度估计
1.
The experiments show that the precision of the noise level estimation is greatly incneased.
常用的噪音强度估计方法,没有考虑边缘像素点的影响,使估计值不很准确。
3) noise estimation
噪声估计
1.
Speech enhancement with noise estimation in bark domain;
一种基于巴克域噪声估计的语音增强算法
2.
During the noise estimation,the estimation of its spectrum is updated by tracking the speech-absent frames.
噪声估计过程中通过跟踪带噪语音帧来更新噪声估计。
3.
After capturing theneighborhoods of discontinuity in the image and acquiring their spatial features based on noise estimation,adaptive optimal.
它首先通过噪声估计捕捉图象中可能存在边界的邻域，然后获取邻域中有关边界的空间参数，由此选择最佳微分滤波算子对相应邻域进行滤波，以获取边界点。
4) Noise estimate
噪声估计
1.
The method can track eigenvalue minima on each eigenvector without any distinction between the speech activity and the speech pause,thus updating the noise estimate throughout the entire signal.
针对传统子空间方法中,采用语音活动检测(Voice activity detection,VAD)估计噪声的缺陷,提出了一种基于子空间域的最小统计噪声估计算法。
2.
When the statistics of noise are changing or signal-noise-ratio(SNR)is low,the noise estimated value by voice activity detection is not exact.
结合语音存在概率对带噪语音协方差矩阵在每个特征向量上的特征值递归平滑得到噪声估计,可以在每一帧内更新噪声特征值。
5) noise intensity
噪声强度
1.
When Ma in channel 3 increased, noise intensity ~increased monotonously; frequency of the peak remained the same, but its power became stronger.
实验结果表明随着三通道气流马赫数逐渐增大,噪声强度随之增大,峰值频率基本不变,但能量变强;随着一通道气流马赫数增大,噪声强度先减小后增大,并且频谱图上出现高频峰,该峰能量逐渐变强;改变一、三通道气体喷口流速比,噪声强度呈现减小、增大、减小的非均匀变化趋势,峰值频率逐渐变大。
2.
In this paper, the problem of robust sampleddata estimation for continuous systems with noise intensity uncertainty is discussed by taking account of intersample behavior.
基于内采样特性讨论噪声强度不确定的连续系统的鲁棒采样估计问题，主要目的是为这类不确定系统设计离散滤波器，使每个状态的估计误差方差不大于预先指定值，从而获得满意的稳态滤波特性。
6) intensity noise
强度噪声
1.
Research on methods of intensity noise reduction in spectrum-sliced WDM systems;
抑制频谱分割WDM系统强度噪声的方法研究
2.
Expatiating on the intensity noise properties of solid lasers,the experiments find the relaxation oscillation noise(RON) is the main reason to bring intensity noise in the monolithic Nd:YAG laser.
阐述了固体激光器强度噪声的特性,实验观测表明驰豫振荡是单块固体Nd:YAG激光器强度噪声的主要来源,噪声峰值的中心频率随着泵浦和输出功率的增加向高频方向移动,且在中心频率附近发生180°相位跳变。
3.
The intensity noise of a free-running diode laser was investigated experimentally.
在实验上研究了自由运转模式下半导体激光器的强度噪声。
补充资料：表光合强度(见光合强度)
表光合强度(见光合强度)
forecast of sowing or transplanting time
b iaoguanghe qiangdu表光合强度见光合强度
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