探讨星像的定位问题,提出一种用于实测资料分析与处理的最大相关估计方法。
The stellar image location is studied in this paper, and a new estimation of maximum correlation procedure is presented, which has been used to process and analyze the observation data.
当样本量较大时,QIF方法表明工作相关阵的选择等价于无偏估计方程的选择。
When the sample size is great, QIF approach shows that the selection of working correlation is same to the selection of unbiased estimating equation.
与已有线性最小均方差(LMMSE)信道估计方法相比,该算法简单并且不需要预先知道信道相关矩阵以及信噪比等信道信息。
Comparing with the Linear Minimum Mean Square Error (LMMSE) channel estimation method, the method is simple and need not know the channel correlation and signal-to-noise (SNR).
论文在此法的基础上,提出了一种基于时域自相关平方函数的基音周期估计方法。
So the paper brings forward a method of pitch estimation in time-domain based on correlated square function.
介绍了一种分段极性相关的方法,并将其应用于DS -BPS K信号的多个参数估计和伪码捕获。
A new method called subsection polar correlation is introduced and then is used in estimation of several DS-BPSK signal parameters and in PN acquisition.
针对图像配准中的亚像素参数估计问题,提出了一种相位相关和模板匹配相结合的方法。
In order to deal with the problem of the estimation of image registration parameter, this thesis ADAPTS the way of combining the methods of phase correlation and template matching.
基于空间频率的方法估计纹理的自相关函数。
Methods based on spatial frequencies evaluate the coefficients of the autocorrelation function of the texture.
本文提出了一种直接提取眼图轮廓线的新方法来快速估计高速串行链路中的数据相关性抖动。
To estimate data dependent jitter(DDJ)in high speed serial links, a new method is proposed for extracting contour of eye diagram directly.
提出一种基于循环相关符号率盲估计的快速实现方法。
A fast realization method of the cyclic correlation based symbol rate blind estimation is proposed.
文中介绍了一种利用图像象素之间的相关特性,将遗传算法和贝叶斯估计相结合的图像恢复的方法,并在算法中引入线过程。
The article introduces a kind of images restoration method, which make use of relative characters of image pixels, and combines genetic algorithms inducting line process with Bayesian estimation.
基于DFT和自相关理论,该文提出了一种双正弦信号频率的快速估计方法。
A method, which realizes the fast frequency measurement for dual sinusoidal signals basing on DFT and autocorrelation theory, is given.
本文提出了一种相关宽带源个数估计的方法。
A method of estimating the number of coherent wideband sources has been proposed.
本文利用微分方程单位解矩阵估计的相关方法,得到了确定含有非线性电阻的动态电路唯一稳态的条件。
Based on the estimation of the unit solution matrixes of differential equations, the unique steady state of the dynamic circuits with nonlinear resistors is studied by matrix measure.
研究了一种利用信号谱相关特性对周期平稳通信信号进行时差估计的方法。
This paper studies the TDOA estimation method using the characteristics of cycle stationary communication signal.
该论文对相关的特征提取与匹配方法进行了简要介绍,主要关注的问题是运动参数和结构的计算,即运动估计部分。
The dissertation introduces the polular methods of feature extracting and matching briefly, while focuses on motion and structure parameters estimation.
本文提出了一种以空间增益随机变化的方法来去掉相关信源之间的相关性,以获得对相关信源的DOA的估计。
A method to eliminate the correlation of signal sources is proposed, which can help to estimate the signal sources' DOA through randomly changing the spatial gain.
介绍了高阶统计量与互相关运算相混合的方法,在对非高斯相关噪声中,高斯信号进行时延估计中的应用。
A new hybrid approach to solve the time delay estimation of Gaussian signal in the presence of unknown non-Gaussian spatially correlated noise has been proposed.
离散傅立叶变换方法能够在DSP平台上通过FFT快速实现,而循环相关方法则具有很高的频率估计精度和很好的抗噪性能。
DFT method can be fast implemented on DSP platform by the use of FFT algorithm, while the method of cyclic correlation has better noise immunity performance and high estimation accuracy.
针对正弦信号时差估计的多解模糊问题,提出采用多周期取点欠采样和多重相关方法来解决。
To resolve the problem of time-delay estimation for sub-sampling sinusoidal signals, a new method composed of multi-period sampling and multi-layer correlation is proposed.
同时提出相关法与周期谱估计相结合的方法,并证明该方法可进一步改善信号的检测能力。
In the meantime the correlation algorithm is combined with periodic spectral estimation, and a further improvement of the signal detection ability using this method is proved.
利用发射信号为已知这一先验信息,提出了二次相关估计时延的解决方法。
The twice correlation method, which uses the apriori information of the sending signals, is proposed as a solution.
恒定束宽波束域噪声是空间相关的非白噪声,这给宽带波束域高分辨方位估计方法的性能带来影响。
The noise in constant beam-width beam space is spatial correlative and color (non white), which affects the performance of wide-band-beam-space high resolution DOA (Direction of Arrival) estimator.
在本文的模型估计部分,依据样本数据相关矩阵分析结果,采用了样本主成分分析的方法。
In this paper, based on the correlation matrix analysis of sample data, a principal component analysis method is used.
针对传统方法估计系统幅频特性不精确的缺点,提出一种新的相关平均估计方法。
A new correlation-average method to estimate the frequency response of system is proposed to overcome the drawbacks of traditional ones.
该方法使用伪随机(PN)序列时域相关进行信道粗估计,并在一个OFDM块内进行线性内插得到整个OFDM块内的信道细估计。
Coarse channel estimates are based on a time-domain correlation of a pseudo-random number (PN) sequence with linear interpolation for the fine channel estimates over an OFDM block.
常用的时延估计方法是广义互相关方法,按方法对于较少先验知识、大背景噪声具有一定的局限性。
The common using method is generalized cross correlation, but it has a definite limitation to those without transcendental information on the occasion of having much noise.
与相关量测噪声和未知噪声统计的多传感器系统,上线的噪声统计估计的相关方法。
For the multisensor systems with correlated measurement noises and unknown noise statistics, the on-line noise statistics estimators are obtained by the correlation method.
该方法基于传播算子思想,直接利用阵列接收信号估计噪声相关矩阵,得到一种快速TCT聚焦矩阵。
Based on the propagator method, noise correlation matrix is constructed by array signals and a fast TCT focusing matrix is developed.
研究方法包括收集相关材料、制订并实施改进写作教学的行动计划、评估计划实施的效果。
Research methods include collecting materials, formulating and implementing action plans for improving writing teaching, and evaluating the effect of plan implementation.
利用相关积分方法的滤波特性可以有效地抑制测量信号中的噪声影响,提高参数估计的精度。
Using the filter property of correlative Integral, the effect of noise in measured signal may be effectively restrained and the precision of parameter estimation is raised.
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