分析了自适应望远镜系统的波面补偿剩余误差与频率响应的关系。
The relationship between residual wavefront phase error and frequency response in an adaptive optical telescope is analyzed.
本文提出并阐明了自动网络分析仪(ANA)系统剩余误差的概念。
The concept of residual error in an Automatic Network Analyzer (ANA) system is presented and expounded.
该算法通过增加很少的计算量不仅提高了收敛速度而且获得更小的剩余误差。
This algorithm improves convergence speed and reduces residual error by increasing small the quantity of computation.
该方法首先估计时延,然后再对剩余误差进行相位估计,从而扩大了算法适用的运动误差范围。
With this method, the time delay is estimated firstly, then the residual phase error. Through this way the movement error range that can be compensated by this algorithm is extended.
经计算机仿真与理论分析表明,该算法与传统恒模算法相比,收敛速度加快,稳态剩余误差减小。
Computer simulations and theory analyses show that the proposed algorithm can speed up convergence rate and decrease state residual error compared with conventional CMA blind equalization algorithm.
经计算机仿真表明,新算法与原算法相比,收敛性能有所改善,收敛速度加快,稳态剩余误差减小。
Computer simulation shows that the improved algorithm has better convergence performance than the conventional algorithm. It can speed up convergence rate and decrease state residual error.
仿真结果表明,新的算法比传统的算法有好的性能和小的稳态剩余误差,并且大大减少了计算复杂度。
The simulation results show that the new algorithm has better performance, less steady residual error and lower calculation complexity than conditional ones.
计算机仿真表明,该算法实现简单,收敛效果好,稳态剩余误差小,其性能优于已有的一些同类算法。
Simulation results show that the proposed algorithm has better performances with low complexity, fast convergence and small steady residual error than the same algorithm.
对改进算法中二次滤波的噪声方差参数选取采取一种计算反卷积剩余误差的方法,用在第二次滤波步骤中。
The paper also gives an algorithm for estimating the variance of the imaging noises by computing residual deconvolution errors, which is used in the second step of the modified Wiener filter.
拟合与时间相关的QTL基因型的期望均值向量和剩余误差的协方差矩阵是动态性状功能定位的核心内容。
Modeling time-dependent expected mean vectors of QTL genotypes and the structure of the within-subject residual covariance matrix are the essence for functional mapping QTL of dynamic traits.
理论分析和计算机仿真实验均表明,新算法与传统的恒模算法相比,具有更快的收敛速度和更小的稳态剩余误差。
The theoretical analysis and the simulation results proved to show that the new algorithm has improved performance of the convergence speed and residual error than traditional CM algorithm.
但是有可能通过亚步应变测量来提高系统的精确度,这样对于7.22%的垂直应变具有0.41%的剩余误差。
It was possible to increase the accuracy by performing the strain measurements via sub-steps. This had a remaining error of 0.41% for 7.22% vertical strain.
理论分析和计算机仿真实验均表明该算法与传统的恒模算法相比,都具有更快的收敛速度和更小的稳态剩余误差。
Theoritical analyse and computer simulation both shows the new one has faster convergent speed and less steady error than traditional constant-modulus algorithms.
然后在输入图像人脸初定位的基础上,利用嘴部的主元特征,通过最小剩余误差能量的判决准则实现人脸嘴部区域的自动定位。
For an input image, the mouth region was recognized according to least residual error energy(LREE) criteria after the face region was first located.
常数模算法是一种最为常用的盲均衡算法,普遍应用于恒包络信号和非恒包络信号的均衡,但存在收敛速度慢和剩余误差大的缺点。
To solve the problem of slow convergence in the modified constant modulus algorithm (MCMA), a variable step and dual mode blind equalization algorithm is proposed, based on the MCMA algorithm.
虽然判决导引最小均方误差算法(DD -LMS)剩余误差小,但是,在信道眼图闭合的情况下,该算法无法收敛,即不具备冷启动能力。
Though the decision directed least mean square error algorithm (DD-LMS) has small residual error, when the channel eye close, it can not converge. That is, it has no cold start ability.
提出了一种自适应变步长恒模盲均衡算法,利用剩余误差信号的自相关函数估计值作为控制步长的因子来自适应改变步长的大小,克服了恒模算法存在的固有缺陷。
A new variable step-size CMA blind equalization algorithm is introduced to conquer the defects of CMA, in which the step size is controlled by the estimation of error signal's autocorrelation.
本文还提出了一种附加质量法来修正高阶模态的截尾误差而不采用剩余柔度矩阵,从而使本法能简易地获得高精度。
In this paper, the additive mass technique is also proposed for correcting the truncation error of higher order modes without using the residual compliance matrix.
合成孔径声呐成像中,主要通过自聚焦校正剩余相位误差。
In synthetic aperture sonar imaging, the residual phase error is mainly corrected via autofocus.
剩余均方误差(MSE)和收敛速度是衡量均衡算法性能的两个常用标准。
Usually, excess mean square error (MSE) and convergence speed are two criterions used to evaluate performance.
另外,应该将正交表的至少一列剩余出来作为误差项。
Moreover, at least one column of the orthogonal array should be remained as error term.
通过在试验区块的运行,与相关的密闭取芯资料对比,确定可动剩余油的饱和度的误差范围。
Block in the test run, with the relevant core information confined contrast, moving the remaining oil to determine the extent of error saturation.
第三章介绍聚束sar去调频技术的原理及去除剩余视频相位误差的实现步骤。
Chapter 3 explains the theory of dechirp technic used in the Spotlight SAR at length and introduces the practical realization procedure of eliminating the residual video phase.
第三章介绍聚束sar去调频技术的原理及去除剩余视频相位误差的实现步骤。
Chapter 3 explains the theory of dechirp technic used in the Spotlight SAR at length and introduces the practical realization procedure of eliminating the residual video phase.
应用推荐