估计值

ɡū jì zhí
  • estimated value
估计值估计值
  1. 在得到概率模型之后,结合压缩系数的估计值说明了用Bayes方法进行参数优化的过程和效果。

    After probability density functions are obtained , the procedure and result of parameter optimization using Bayes method are represented with estimated value of pressing factor .

  2. 该方法应用改进冗余位结构,通过在其子DAC输出端引入伪随机信号测量级间增益,并利用此估计值在后台进行增益误差补偿。

    Using a reformative redundant stage , gain errors are measured by PR ( pseudo-random ) signal being injected at sub-DAC output and compensated in background according to the estimated value .

  3. 在统计学中这个估计值叫组间方差。

    In statistical language , this estimate is called the between-column variance .

  4. 再多执行task几次,以获得执行时间的估计值。

    Execute task some more times to obtain an estimate of its execution time .

  5. 文中还讨论了4πMs和Tc的测量误差,并给出本装置的误差估计值。

    The errors of measurement of 4 π M , and Tc are discussed and estimated .

  6. 且能在GPS接收机出现异常时继续给出接近实际的估计值。

    Further , trajectory parameters estimation could be close to true value even if GPS receiver is abnormal .

  7. 许多项目经理抱怨RUP不生成估计值。

    Many project managers complain that RUP does not create an estimate .

  8. 陶瓷材料Weibull模数最小二乘估计值的统计性质

    Statistical properties of Weibull modulus estimated with the least squares method

  9. 其缺点是对于同样的数据,R法较其他方法的抽样误差大,而且在小样本中估计值往往有偏。

    Disadvantages of Method R include a larger sampling variance than other methods for the same data , and biased estimates in small datasets .

  10. 此外,尽管第一季度gdp的估计值格外强劲,但这也是由于前值的基数较低。

    And while the estimated GDP for the first quarter looks exceptionally strong , it is a reflection of low base effects .

  11. BC法的第二步是将该区间坍塌成一个对于缺失数据的估计值。

    The second step of BC collapses the interval to a single value of missing data .

  12. 从实践中,本文计算了四个模型VaR估计值,并利用VaR返回测试模型对构建的四个模型所得的VaR估计值进行返回测试,进行分析比较。

    This article use VaR return test model to test four models VaR estimate , analyzed and compared every model .

  13. 本文采用MonteCarlo方法确定机械零件在分布应力下疲劳寿命的分布参数估计值。

    The estimate value of the distributed parameter of the fatigue life-span is determined by using Monte Carlo method for the machine parts under distributed load .

  14. 常染色体隐性遗传的类Duchenne肌营养不良临床特征及其发生比率的估计值分析

    The Proportion and Clinical Feature of Duchenne Muscular Dystrophy With Autosomal Recessive Inheritance

  15. 通过旋转角度的搜索及高斯窗口宽度的调整,能够在低信噪比条件下对多分量LFM信号进行检测,避免交叉项的出现,并能得到参数的估计值。

    Multiple LFM signals can be detected in low SNR by choosing the rotated angle and cross-items can be avoided .

  16. 本文针对该问题,提出了一种多模型融合的检测框架。本文方法将多个模型的异常估计值投影到统一的高维特征空间中,利用成熟的SVM分类器学习和分类样本。

    A multi-model detection framework is proposed to map anomaly probabilities of multiple models into a unified high-dimensional feature space , and to detect with a kernel-based SVM classifier .

  17. 跟踪你实际的ROI并与估计值对比,可以给你提供一个保证你的实现成功的机制。

    Tracking your actual ROI and comparing to the estimate will provide you with a mechanism to steer the focus of your implementation and success .

  18. D2曲线具有更好的线性区域,从而可得到更稳定的估计值。

    Results : The D2 curve derived from multi-channel data has broader plateau than single-channel , thus making the evaluation results better .

  19. 该文利用有效到达径上信道参数的估计值,统计其包络的电平通过率(levelcrossingrate,LCR),据此估计出时变多径信道的多普勒频移。

    In this paper , the Doppler-shift of the time-varying multi-path channel is estimated by calculating the Level Crossing Rate ( LCR ) of the signal envelope of the channel coefficient estimates on the effective fingers .

  20. 试验结果表明,本文所给的模型和算法不仅能较好地给出OD需求的估计值,而且同时还给出了各模式路段流量的估计值。

    In the numeral results , estimation values of origin destination demands and the link traffic flows can be obtained simultaneously from the model and algorithms .

  21. 利用MATLAB进行随机模拟,根据直接测量量的有关信息,对其误差进行仿真,然后求出被测量的估计值,利用统计方法计算合成标准不确定度。

    The software MATLAB is used to carried out stochastic simulation of the error based on measurement information , then the estimate of the measurand can be obtained and the combined standard uncertainty can be calculated using statistical methods .

  22. 在该算法中,接收机首先在整个信号空间中搜索满足一定约束条件的信号矢量并将这些信号矢量构成一个子集,然后利用ML准则在该子集中选取合适的矢量作为发射信号的最终估计值。

    With a certain constraint , the receiver searches through the full signal space and obtains a subset . Then the final decision is made by selecting the proper signal vector from the subset with ML principle .

  23. 在提取过程中,由ICA算法分离出水印信号和宿主信号的估计值,最终得到原始水印图像;

    In the watermark extraction process , use the ICA algorithm to separate the estimating value of the watermark signal and the host signal , finally extracts the original watermark image .

  24. 随着QTL遗传力、样本容量和标记信息含量的增大,QTL位置以及效应估计值的准确度和精确度逐步提高。

    The accuracy and precision of estimates of QTL position and effects will be enhanced as the increasing of QTL heritability , sample size and polymorphism information content of molecular marker .

  25. 该算法结合改进的动态ALOHA算法,根据待识别标签的估计值动态改变阅读器的功率电平。

    The algorithm combines the improved dynamic ALOHA algorithm . It changes the power level of the reader according to the estimate of dynamic .

  26. 而按内容分块的a-分层方法是将题库中的题目按照a、b参数和内容属性分层,选择难度与当时能力估计值相匹配的题目。

    The other item selection method is a-stratified with content-blocking which stratified the item pool according to a - and b-parameters and the content specifications . It is to select an item that the difficulty of the item is matching the ability of the examinee being measured .

  27. AR模型的阶次选择是个关键问题,阶次太低会导致平滑的谱估计值,而阶次太高又会引起伪峰并且会产生一般的统计不稳定性。

    Model order selection is a key question . If order is too low , the effect of spectral estimation is smooth . However , too high order can creat spurious peak , and induce statistics instability .

  28. 尺寸方程直接评估电机性能的优点是迅速简便的,其准确度主要取决于气隙磁密Bg的估计值。

    Sizing equation directly assesses the performance of motor , which is simple and convenient , and veracity of approach depends on computing the flux density of air-gap .

  29. 文中首次提出了用X2准则拟合实际图像中的信号区和背景区分布,并根据得到的统计估计值对光子图像进行处理的方法。

    In this paper , for the first time we use X 2 ruler to calculate the signal photon and background photon distribution parameters for the image processing .

  30. 新方法中将LMS算法中的各步权增量向量旋转后放至同一平面,在此基础上利用凸函数外推法求出计算步长的当前最佳估计值。

    In the new method the increment of the weights vector in previous steps was rotated and placed to a plane , then the extended method for a one variable convex function was used .