查询词典 mean error

Also positive estimates of variance components are proposed, which have smaller mean-square error than ANOVA estimates, in two way classification models with random effects.

并把这一方法应用到两向分类随机效应模型，给出其中两个方差分量的正估计。

Through minimizing the Stein Unbiased Risk Estimate based on the function, the optimal threshold, varying with the signal and noise, is obtained in the Mean Square Error sense.

进而通过极小化SURE估计得到MSE意义下自适应于信号和噪声的最优阈值。

These verbs mean to lead another into error, danger, or a disadvantageous position, for the most part by underhand means.

这动词是通过狡诈的手段把他人导入错误、危险或不利的位置的意思。

The model was built by partial least squareregress.Compared to the model using the whole original spectra,the root mean square error of predictionof glycerol gonolaurate and lubricant was improved from 7.9557 to 6.6787,and 0.2383 to 0.1031 respectively.(4)In uninformative variable eliminationalgorithm,the cutoff threshold of UVE is evaluated by adding a noise matrix which size is the same with instrumental response data.

提出的方法应用于月挂酸成分预测的红外光谱和机油分类的可见-近红外光谱中，用偏最小二乘回归建立模型，相比于用全光谱建立的模型，月挂酸的成分预测均方根误差分别从7.9557提高到6.6787，机油分类的成分预测均方根误差从0.2383提高到

Normal vectors, Gaussian and mean curvatures estimation are obtained by different curvatures estimation methods, and the error is computed by comparing estimation results with real ones on the sphere of unit radius and toms.

在单位球面和环面上，利用不同的曲率估计方法得到法向量以及高斯曲率，平均曲率的估算值，再将估算值与实际值做比较求误差。

The eminent performance of this method is proved by its higher SNR(signal- to- noise rate), smaller MSE(Minimizes the mean squared error) The discal surface of the contaminated insulators is the interesting area of the research.

数值试验证明，与固定阈值法和极大极小阈值法比较，运用该方法去噪后的图像具有更高的信噪比和更小的最小均方误差。

In the study based on prior image constraint, the approach using minimum information discrimination to achieve the restored image constrained by prior image is proposed, and two approaches are given, which called minimum-mean-square-error validation and fiducially strategy to count regularization parameter adaptively for new constraint item.

在基于先验图像约束的方法中，提出利用最小鉴别信息构造先验图像对图像复原结果的约束，给出了基于最小均方误差验证和置信策略自适应计算新约束项正则化参数的两种方法。

The Pick-pick Signal Noise Ratio PSNR or Mean Square Error MSE does not conform to subjective psychological sensation, while subjective assessment is usually inexactly and has subjectivity.

通常使用的峰—峰信噪比或均方误差与主观感觉并不相符，而主观评价又存在主观性和不确定性，其结果往往因人而异。

According to this research, the root mean square error could achieve ±1.156cm,±1.253cm and ±1.376cm by adopting hyperbolic mode, three times of the distance mode and distance square model. Its precision is good enough for engineering measurement. It provides not only the quicker methods to measure the orthometric height on survey engineer, but also a academic reference on regional geoid model

实验结果发现，经数学模式改正后双曲线模式、距离三次方模式及距离平方模式分别能达到±1.156cm、±1.253cm及±1.376cm合乎工程测量规范之标准，本研究在工程上不仅提供实务上快速测得正高的方法，於学术上亦可提供区域性大地起伏模型相关研究之参考。

Results In static phantom studies, the percent error of mean activity obtained by Carson's method was reduced to about 9 %, and it is less than that of image-derived method using maximum likelihood expectation maximization (about 14 %). In simulated dynamic phantom studies, the vessel component could be extracted using ICA in image and sinogram domain. In sinogram domain, the six components extracted by ICA could be obtained quickly.

在静态物理假体实验结果来看，使用Carson's method计算出感兴趣区域活性的百分比误差( 9%)比直接从影像取得活性的百分比误差( 14%)来得小；从数位模拟动态假体实验结果来看，独立成份分析法运用在影像空间或是弦波图空间上，都可以将血管分离出来，但从弦波图空间上得到各个独立成份相对於影像空间就快得多；imageICA和sinogramICA计算出的输入函数的标准化均方根误差分别是0.57和0.28。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。