查询词典 error curve

For fitting ROC curves and getting the area under the ROC curve, we applied the parametric methods of binormal models and ordinal regression models, the semiparametric method of Cox proportional hazards model, the nonparametric methods of Hanley, Delong This paper also include estimation of required sample size, evaluation of confounding effects, and estimation of standard error and confidence interval by resampling method for ROC analysis.

目前该模型用于ROC分析的统计学方法比较完善，属于"经典"的ROC分析参数法。本文探讨了单变量、双变量双正态ROC模型的构建及其参数的最大似然估计方法；采用双变量卡方检验、真阳性率z检验、面积z检验三种方法比较了ROC曲线间是否具有显著性差异。

Then the location characteristic of the FDOA curve and the error of the FDOAlocation have been analyzed and simulated respectively.

并对到达频差曲线的定位特性和到达频差定位的误差进行了分析和仿真。

First, according to the linear servo motion characteristic curve system design the phase lead compensator to improve the system to follow the position command generated by the phase error.

首先，根据线性伺服系统运动特性曲线设计一相位超前补偿器，藉以改善系统追随位置命令时所产生的相位误差。

We present a method of circular arc fragmented curve-fittingbased on least mean-square error rule in this paper.

文摘：提出了一种基于最小均方误差准则的圆弧分段曲线拟合方法。

This result is visualized and further compared with the results based on line segment and circular curve-line error models.

以三次B样条曲线为例，给出了其建模及可视化结果，进一步地将该结果与折线及圆曲线的情况进行了比较。

The real-time correcting unit is designed by using the complex curve fitting method, and the dynamic error correction is implemented on line.

采用复数曲线拟合方法，设计了实时修正环节，实现了动态误差的实时在线修正。

The conception of error compensation is introduced in autocorrelation measurement, and the interferential correlation curve is corrected with a computer.

提出了用计算机对所测相关曲线进行误差补偿的概念。

The correlation rate of the standard curve was 0.999 8, and the digestion duration was 15 min at the temperature of 150℃. The relative deviation of the results were less than 2%, and the standard error was between 5% and 6%.

结果 标准曲线的相关系数r=0.9998，消解时间15 min、温度150℃，测定结果的相对标准偏差小于2%，相对误差在5%~6%之间，精密度与准确度均能满足要求。

It is determined that the sun vector measurement error is about 5.74° which is caused by many factors, such as the non-ideal cosine curve between incident angle and photocurrent, the photocurrent noise, the nonlinearity of the analog circuit and the A/D converter, and the temperature inaccuracy etc.

通过分析获得太阳入射角——光电流非理想的余弦特性、光电流的噪声起伏、处理电路非线性、A/D采样非线性、温度测量不确定性等因素导致的太阳矢量实际测量误差为5.74°。

A larger error often occurs in measured results by multi-specimen J-R curve method because of the difficulty in determining the blunting line equation. On the basis of considering the effect of loading rate on plastic-flow stress, a new blunting line equation in dynamic loading has been obtained: J=2NK0.5(subscript εFΔa.

针对多试样J-R阻力曲线法因钝化线的不易确定性常造成测试结果J误差较大的情况，考虑了加载速率对塑性流变应力的影响，给出了一新的动载条件下的钝化线方程：J=2NK0.5

Lugalbanda was a god and shepherd king of Uruk where he was worshipped for over a thousand years.

Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。

I am coming just now,' and went on perfuming himself with Hunut, then he came and sat.

我来只是现在，'歼灭战perfuming自己与胡努特，那麼，他来到和SAT 。