Noise estimation is one of the most important research topics in image processing.
在图像处理中，噪声估计是个重要问题。
The application range of the spectral subtraction is expanded by the new noise estimation method.
算法提高了谱减法的适用范围，还在一般谱相减方法的基础上提出了改进的谱相减算法。
The noise estimation is updated in both speech frame and noise frame without the voice activity detection.
不采用端点检测，在语音帧内及噪声帧内都进行噪声更新。
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。
White noise deconvolution or input white noise estimation problem has important application background in oil seismic exploration.
白噪声反卷积或输入白噪声估计问题在石油地震勘探中有重要的应用背景。
LS algorithm and DFT-based algorithm were studied and signal-to-noise estimation algorithms in AWGN channel were introduced to SC-FDE systems.
研究了LS算法及其DFT改进算法，并将高斯白噪声信道中的信噪比估计方法引入到单载波频域均衡系统中。
An improved non-linear spectral subtraction algorithm is also put forward. The application range of the spectral subtraction is expanded by the new noise estimation method.
算法提高了谱减法的适用范围，还在一般谱相减方法的基础上提出了改进的谱相减算法。
A single carrier modulation scheme suitable for use in high frequency communication systems is provided that achieves improved residual frequency error and phase noise estimation.
提供了一种实现改进残留频率误差和相位噪声估算的、适合于在高频通信系统中使用的单载波调制方案。
At present, most of the DOA estimation algorithms are used in the Gaussian noise environment.
目前，大多数的DOA估计算法是应用在高斯噪声环境下的。
A novel method of phase difference estimation under Gaussian noise is proposed to improve the precision of Coriolis mass flowmeter.
为提高其精度，提出了一种高斯噪声背景下的科氏质量流量计相位差估计新方法。
A new frequency estimation technique for BPSK modulation signals embedded in strong noise is proposed.
在强噪声背景下，针对BPSK调制信号，提出了一种新的频率估计技术。
A modified ULV updating algorithm. is applied to performing noise subspace tracking. The algorithm does not require rank estimation of the correlation matrix, and estimate directly the noise subspace.
使用一种修改的ULV更新算法进行噪声子空间跟踪，该算法不需要相关矩阵的秩估计，直接估计噪声子空间。
A robust Direction of Arrival (DOA) estimation algorithm for coherent wideband sources in unknown correlated noise fields is investigated in this paper.
提出了一种未知相关噪声环境下，相干宽带源波达方向宽容估计算法。
The influence of noise on identification precision, the effect factor of the computing precision and the reason of missing estimation some modes were analyzed and discussed.
从理论和试验两个方面分析和研究噪声对识别精度的影响，影响识别精度的因素，以及部分模态成分的模态参数不能够被识别的原因。
In this paper, we focus on the application of adaptive filtering algorithms to channel estimation and noise cancelling.
本文主要研究几种自适应滤波算法在信道估计和噪声消除中的应用。
Such method could better track channel change and eliminate the noise remarkably in the received pilot signal, and the precision of channel estimation had been improved.
这种方法可以更好地跟踪信道变化，显著地消除接收到的导频信号中的加性噪声，提高信道估计精度。
Traditional methods of signal detection and estimation were based on the assumption that the background noise is white.
传统的信号检测和估计方法一般是建立在背景噪声是白噪声这一假设基础之上。
In this thesis, the methods for DOA estimation in the presence of array errors and nonuniform noise are discussed.
本文就阵列存在误差及非均匀噪声情况下的DOA估计方法进行了讨论。
This paper presents the effect of the common process noise on track statistical distance and performance of state estimation fusion.
本文研究动态系统过程噪声对航迹统计距离和状态融合估计性能的影响。
The optimal estimation algorithm of measurement noise and the optimal state fusion algorithm for multi-channel system with multiplicative noises are mainly researched in this dissertation.
本文主要针对多通道带乘性噪声系统的观测噪声最优估计算法和状态最优融合估计算法展开进一步研究。
A robust fusion algorithm based on noise variance estimation is presented.
给出一种基于噪声方差估计的稳健融合算法。
The effect of Signal-Noise-Ration (SNR) to the estimation of Doppler central frequency has been studied using theoretical method and simulation technique, and results are given in curves.
该文从理论和仿真两个角度研究了信噪比对多普勒中心频率估计的影响，给出了多普勒中心频率和信噪比的理论及仿真关系曲线。
One of the primary applications of higher order statistics has been for the time delay estimation of non-Gaussian signal in Gaussian spatially correlated noise.
高阶统计量在信号处理中成功的应用例子之一是估计高斯相关噪声中非高斯信号的时延参数。
The key problem of eigen-subspace high-resolution methods is estimation of signal or noise subspace.
运用特征子空间类高分辨方法的关键在于信号或噪声子空间的估计。
The noise components estimation of semiconductors is the precondition of reliability screening of semiconductor devices using noise measurement.
半导体的噪声成分估计是利用噪声进行器件可靠性筛选的前提条件。
Finally, the estimation expression of crosstalk noise of uniform RLC model in time domain is presented by numerical technique.
最后运用数值方法得到均匀rlc互连线串扰噪声的时域估计表达式。
The estimation of noise covariance matrix is based on iterative procedure in ML.
最大似然法采用了迭代的方法来估计噪声的协方差矩。
The parameter estimation of sine-wave flooded in strong noise background is an important and practical technique, and it is the base theory of spectrum analysis estimation.
估计淹没在噪声中的正弦波参量是具有实际应用价值和普遍意义的技术之一，也是测试所有谱估计性能的基础。
Estimation of unknown noise statistics quantity and estimation of signal states are alternatively done, this method is applied to GPS positioning, Computer simulation shows the approach is efficient.
将未知噪声统计量的估计与信号状态估计交替进行的算法引入G P S定位，计算机模拟结果表明效果很好。
The problem of robust state estimation for continuous-time singular linear systems with un-certain noise is considered. A kind of practical algorithm of optimum recurrence estimation is obtained.
本文讨论了一类具有不确定噪声的连续广义线性系统的鲁棒状态估计问题，文章提供了一种比较实用的状态估计方法。
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