介绍了用递归低通滤波器方法来实现图象的方差自适应增强。
A method of implementing adaptive enhancement of variance on an image by a recursive low-pass filter is introduced mainly in this paper.
最终给出了一种基于测量方差自适应的多传感器数据融合算法。
Finally, a new algorithm of multi-sensors fusion based on the variance of the measured error adaptive is given.
提出一种基于群体适应度方差自适应二次变异的差分进化算法。
A new adaptive second mutation differential evolution algorithm (ASMDE) based on the variance of the population's fitness is presented.
针对图像中的高灰度区和灰度剧变区,应用图像局部均值和方差自适应调节增强系数。
For the regions in image where gray value is high or change intensely, local mean value and variance is adopted to control enhancement coefficients.
针对图像中的高灰度区和灰度剧变区,应用图像局部均值和方差自适应调节增强系数。
For regions with high grey-scale level or with tensely variable grey level, the image enhancement coefficients shall be adaptively controlled based on local mean value and variance.
本文提出了一种新的基于群体适应度方差自适应变异的粒子群优化算法(AMPSO)。
A new adaptive mutation particle swarm optimizer (AMPSO), which is based on the variance of the population's fitness is presented.
针对最小方差自适应控制器的固有缺点 ,在标准最小方差控制中引入糊模控制算法来弥补其不足 。
Aiming at the intrinsic defects of minimum variance adaptive controllers, fuzzy controy algorithm is introduced into standard minimum variance control.
接着根据靶标图像和光斑图像在灰度特征上的差异,采用了最大类间方差自适应分割法实现了光靶图像的分割。
Thirdly, according to the differences of target images and spot images in gray-scale features, Otsu adaptive segmentation method is adopt to realize the image segmentation.
该文阐述了AEFCC系统的基本原理,包括内环CAR模型、外环AR模型、最优预报律和最小方差自适应控制律。
The basic principle of AEFCC system that included inner-ring CAR model, outer-ring AR model, optimization forecasting law and minimum deviation adaptive control principle were discussed in this paper.
实时估计出系统噪声方差矩阵和量测噪声方差矩阵,对状态变量进行灰色聚类,并对滤波矩阵和增益矩阵进行实时自适应调整,计算出状态向量的递推估计值。
Based on real-time estimation of noise matrix and grey clustering of state variable, filter or gain matrix is modulated so as to get an estimation of the state vector.
采用了具有积分性质的切换指标函数作为切换法则和最小方差的控制方法构成了多模型自适应控制器。
A switching function with integral property and minimum variance algorithm are used to set up the multiple model adaptive controller.
分析自适应光学系统的控制残余方差与控制带宽的关系。
The relationship between residual servo variance and control bandwidth of an adaptive optics system is discussed.
用天线阵归一化广义阻抗矩阵表示单元互耦,分析了考虑单元互耦效应的自适应天线协方差矩阵的特点。
By using the arrays normalized general impedance matrix to express the mutual coupling between the elements, the characteristics of the covariance matrix of the adaptive arrays are analyzed.
介绍一种自适应调整过程噪声方差的滤波计算新方法。
A new filtering approach is proposed for calculating the variance of adaptive adjustment process noise.
在线性情形,它与最小方差参数自适应控制律一致。
In the linear case, it is the same as the minimum variance parameter adaptive control.
本文分析了自适应频率估计器的性能及频偏的影响,得出了自适应频率估计方差下限的公式及达到此下限的条件。
In this paper properties of AFE and influences of frequency bias are analyzed, and formula on estimated variance lower bound is derived, and condition which is required by the bound is got.
随着频偏的增大,自适应频率估计的偏差和方差也随之增大。
With frequency bias increasing, estimated bias and variance of adaptive frequency estimator (AFE) enlarge.
设计了基于最小方差调节的自适应焊接电流调节器。
The adaptive welding current adjuster based on the minimum variance theory is designed.
该算法以低通滤波算法估计背景中的低频成分,及图像局部方差估计背景起伏,来计算出局部自适应的目标检测判决门限。
The algorithm adopts low pass filter to estimate the background and calculates the standard deviation to estimate the fluctuation of background to get the local adaptive detection threshold.
该算法克服了模糊交互多模型算法精度较低和当前统计模型自适应滤波器方差调整有限的缺点。
This algorithm overcomes the weakness of the FIMM with low estimation accuracy and the limitations of the adaptive filter based on the "current"statistical model.
本文讨论了一种带有参考通道的自适应话音消噪滤波器原理,该滤波器采用最小均方差(LMS)算法。
In the paper, a kind of adaptive noise cancellation filter with reference channel based on Least Mean Square (LMS) algorithm is discussed.
在计算信号的协方差矩阵时,对图像分块并用椭圆窗滑动求局部协方差矩阵,以达到局部自适应的去噪目的。
When the signal covariance is calculated, the image is cut into several blocks and the elliptic window is used, so the local covariance is achieved.
提出了对计算出的位相进行“剪接”的办法,解决了残余位相方差与自适应光学的校正效果没有对应关系的问题。
We present "phase cutting" of the calculated phase to solve the problem that variance of the calculated residual wavefront is not corresponding to the correction effect of AO system.
提出了一种基于线性约束最小方差波束形成(LCMV)的自适应方向图控制方法。
An adaptive pattern control method based on linearly constrained minimum variance (LCMV) is presented.
融合预报协方差矩阵的自适应调整和状态空间鲁棒性估计,给出辨识戴维南等值参数的新算法。
Based on the robust estimation in the state-space and the adaptive modification of prediction covariance matrix, a new algorithm was proposed to track Thevenin equivalent parameters.
正交投影(OP)自适应波束形成算法性能优良,但需要进行复协方差矩阵特征分解,运算量大。
The orthogonal projection (OP) adaptive beamforming algorithm has good performance but it is computationally expensive because of performing eigen-decomposition of the complex covariance matrix.
在对采集的实时序列图像进行滤波处理后,本文通过改进最大类间方差法,并将其和自适应波门跟踪方法结合起来实现运动目标的跟踪。
After preprocessing the sampled real-time image sequences, moving target tracking is realized by combining improved Ostu algorithm and adaptive window tracing method.
该算法采用后验信息修正模型的噪声方差和马尔可夫转移矩阵,使IMM具有自适应能力。
The algorithm USES posterior information to modify model's noise variance and markov transition matrix, so as to make IMM have adaptive ability.
采用最小方差理论和平均原理对自适应滤波算法进行分析,对信号中产生的延时和相移予以有效补偿。
By using minimum variance and average principle, the adaptive filtering algorithm is analyzed to effectively compensate the time-delay and phase shift that appear in signals.
采用最小方差理论和平均原理对自适应滤波算法进行分析,对信号中产生的延时和相移予以有效补偿。
By using minimum variance and average principle, the adaptive filtering algorithm is analyzed to effectively compensate the time-delay and phase shift that appear in signals.
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