• 对应于差参数估计回归系数的两种两步估计,它们的误差大致相当

    However, two-stage estimates of regression coefficients corresponding to these two estimates have approximate equal mean square error.

    youdao

  • 基于一定解码状态,声码器通过最小误差MMSE估计估计最优参数,充分降低信道误码对重建语音质量的影响

    The minimum mean square error (MMSE) is computed for each decoding state to estimate optimal parameters and to reduce the influence of the bit error.

    youdao

  • 算法实现横摆角速度线性最小误差估计可对汽车行驶过程中的系统噪声观测噪声统计特性进行在线估计

    This algorithm can realize linear minimum mean square error estimation of yaw rate, and on-line estimate statistical characteristic of system noise and observation noise during vehicle running.

    youdao

  • 本文提出了一种改进型语音短时最小误差(MMSE)估计增强

    This paper proposes a new speech enhancement scheme based on modified Minimum Mean Square Error (MMSE) estimation of speech Short Time Spectrum Amplitude (STSA).

    youdao

  • 阀值渐近均方误差我们提供了形状参数估计选择依据。

    Generation into the optimal threshold AMSE (asymptotic mean squared error) provide options for moment estimates order of shape parameter.

    youdao

  • 引入了最佳修正短时对数估计,能在信号存在不确定性最小化语音信号对数均方误差

    We introduce an optimally-modified log spectral amplitude estimator, which minimizes the mean-square error of the log spectra for speech signals under signal presence uncertainty.

    youdao

  • 采用加权均方误差准则优化估计模型参数,实现测量序列抗扰最佳估计

    To obtain the best estimation of anti-jamming for measured series, the rule of weighted-square error is introduced to optimize the parameters of estimating model.

    youdao

  • 介绍基于误差估计的新变长LMS适应滤波算法

    This paper propose a novel alterative step LMS auto-adapted filter algorithm based on mean squared-error estimation.

    youdao

  • 若以误差作度量估计优劣的标准模拟显示误差相关程度较高时,估计优于文献中常见的估计

    Our simulation results show that for high errors correlation case, new estimate is superior over the moment estimate appeared in literature under mean square error criterion.

    youdao

  • 给出分子已知情况下比率估计偏差误差以及均方误差估计对两类比率估计量进行了比较

    In this paper, the bias of the ratio estimator and the estimate of mean square errors of this estimator with known numerator have been compared and discussed.

    youdao

  • 这种框架中利用李群来表示旋转空间然后基于贝叶斯估计结构计算了利用李群表示最小均方误差估计性能界限。

    Upon this frame, use matrix Lie group to express the rotation space, then base on Bayesian estimation framework, calculate the minimum mean squared error bounds which use the matrix Lie groups.

    youdao

  • 本文将分理论引入多径衰落信道描述提出一种利用分形滤波进行最小误差意义信道参数估计

    The fractal theory was applied to describe multipath fading channels, and a novel channel estimation scheme using fractal filter in the sense of minimum mean square error (MMSE) was presented.

    youdao

  • 可以使估计总体误差最小

    The method focuses on minimizing the ensemble mean square error of the estimation.

    youdao

  • 算法使用时变遗忘因子误差进行指数加权估计误差使用因子改变自适应迭代过程中滤波器系数向量更新

    In the new algorithm, a time-variant forgetting factor is introduced to estimate the Mean Square Er-ror (MSE) and change the updating direction of adaptive filter coefficient vector.

    youdao

  • 并且信道估计误差(MSE)作为评估标准,理论上证明了所提算法有效性

    Taking the channel estimation mean square error (MSE) as the performance evaluation indicator, the thesis verifies the efficiency of the proposed scheme from the theoretical aspect.

    youdao

  • 基于导频信道估计已经受到广泛的研究主要估计算法最小二乘法(LS)、最小误差法(MMSE)和最大似然(ML)估计

    The channel estimation method based on pilots has received much research. It adopts the algorithms such as least squares (LS), minimum mean square error (MMSE), maximum likelihood (ML), and so on.

    youdao

  • 这种滤波器关键意义下推导无偏转换测量误差阵的最佳估计

    The key of the presented filter is to derive the best estimate of the covariance matrix of the unbiased converted measurements in the mean-square sense.

    youdao

  • 本文提出RAS-MFCC特征最小均方误差估计(MMSE)语音增强相结合的抗噪声语音识别法。

    At last, we propose a new speech recognition method which combines RAS-MFCCs and MMSE speech enhancement technology.

    youdao

  • 本文研究了误差意义下岭型成分估计在岭型降估计中的优性。

    The optimality of the MSE of combining ridge and principal components in the class of combining ridge and reduced dimension estimators is dealt with in this paper.

    youdao

  • 本文以多元线性回归模型形式研究对象,从减小误差角度出发,一定范围分析参数K存在性估计的优良性。

    The investigation object of this paper is the standard canonical form. In order to the mean square error, I analyze the existence and choiceness of ridge regression K in some spectrum.

    youdao

  • 给出了二阶估计偏差估计误差以及均方误差估计

    For the ratio estimate in two-stage sampling, the bias and mean square errors(MES) of the estimater value have been obtained, and the estimater value of the MSE has been given.

    youdao

  • 研究结果表明随着样本数的增大估计误差趋于0,传输的保真度趋于1。

    The results show that mean square error of the estimation tends to 0 and the fidelity of the transmission state tends to 1 with the increase in the number of the sample.

    youdao

  • 通过最小均方误差估计算法(MMSE)比较,变门限聚定位算法有效消除质量数据对定位结果的影响从而提高了目标的定位精度

    By eliminating the possible influence produced by low quality data, the presented algorithm can improve localization precision effectively in comparison with the MMSE algorithm.

    youdao

  • 分析了反映P SN曲线统计精度主要指标,提出P S N曲线参数估计量的误差计算机模拟求法

    Main characteristics of statistical accuracy for P-S-N curves are analyzed and the method for mean square error of P-S-N curves parameters by computer simulation is brought forward.

    youdao

  • 证明了均方误差准则下在该估计存在一致最不变估计,且分析估计容许估计

    It is proved that there is no best estimator in the class under mean-squared-error criterion and the Analysis-of-variance (ANOVA) estimator is also inadmissible.

    youdao

  • 讨论阶段抽样比率估计及其样本量选择问题,给出比率估计抽样均方误差的近似公式及其无偏估计的公式。

    We give the approximation formulas of the variance of the sample ratio estimator for a population mean and its asymptotically non-biased estimator in multi-stage sampling.

    youdao

  • 由于基于近似线性最小均方误差估计准则而设计的,因此是一种理论上最佳跟踪案。

    As the scheme is designed conforming to the criteria of approximate linear least-mean-square error estimation, it is theoretically quasi-optimal.

    youdao

  • 由于基于近似线性最小均方误差估计准则而设计的,因此是一种理论上最佳跟踪案。

    As the scheme is designed conforming to the criteria of approximate linear least-mean-square error estimation, it is theoretically quasi-optimal.

    youdao

$firstVoiceSent
- 来自原声例句
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定