查询词典 calibration

The score system and the predicted 5- and 10-year HCC risks were further translated into nomograms. The predictive accuracy was evaluated in terms of discrimination and calibration abilities with the use of Receiver Operator Characteristic curve and area under the ROC curve; and the calibration chart.

模式的预测准确性以两个面向来评估，包括：鉴别能力以ROC曲线及曲线下面积来估算；及校准能力以校准图来量测。

Several physical calibration problems were analyzed, such as how the detector dead time affects the measurement range and how the two silver decay types affect the calibration results.

对标定中的物理问题，如探测器死时间对其测量范围的影响、银的两种衰变对标定结果的影响等进行了分析。

To reduce or remove size effect, the size classification elimination method, volume average method and normalization method based on volume were presented and the calibration and prediction results indicate that these three methods could reduce or remove the size effect effectively. The normalization method is more suit to in-line application and obtained better calibration and prediction results with the r of 0.789, 0.858 and 0.947, the RMSEC of 0.596, 0.499 and 0.313, and the RMSEP of 0.606, 0.686 and 0.413 than the results without normalization with the r of 0.716, 0.793 and 0.848, the RMSEC of 0.678, 0.592 and 0.515 and the RMSEP of 0.825, 0.764 and 0.714 for the original spectra, the first derivative spectra and the second derivative spectra with soluble solids content using partial least square method , respectively. 4. Owing to much thick skin of watermelon, contrast experiment was conducted in skin-peeled watermelon and intact watermelon to compare the influence of skin on spectra.

针对西瓜果型大且差异显著的特点，研究果型差异对可见／近红外光谱以及建模与预测结果的影响，并提出三种方法消除或减小这一影响因素，分别是分级消除法、体积平均法和基于体积的正则化方法，其中基于体积的正则化方法，更适合在线生产应用，该方法使果型大小差异明显样品的原始光谱、一阶微分光谱、二阶微分光谱在对可溶性固形物含量检测时，采用偏最小二乘法的建模与预测结果由原来的校正相关系数r分别为0.716、0.793、0.848提高到r分别为0.789、0.858、0.947，均方根校正标准偏差RMSEC由原来的0.678、0.592、0.515分别降为0.596、0.499、0.313，均方根预测标准偏差RMSEP由原来的0.825、0.764、0.714分别降为0.606、0.686、0.413； 4。

Because the traditional design of the pump shaft and its strength calibration are quite tedious, it is extremely necessary and imminent to develop a set of convenience and dependable CAD software to improve the quality and efficiency of shaft part in the pump and to achieve the combination of the pump shaft intensity calibration and AutoCAD.

鉴于泵轴传统手工设计和强度校核的繁琐，开发一套方便、可靠的适用于水泵轴类零件强度校核的CAD系统以提高泵轴类零件设计的质量与效率，实现轴的强度校核计算与AutoCAD技术的结合就显得非常迫切和必要。

All calibration procedures, test-equipment evaluations, and measurement analysis, as well as some calibration standards, originate in the Measurement Science Department at the Naval Surface Warfare Center, Corona Division (NSWC Corona, www.corona.navy.mil).

所有校准规程、测试设备评估和测量分析以及一些校准标准都出自美国海军海上战争中心的测量科学部 Corona 分部（NSWC Corona，www.corona.navy.mil）。

In this way, we show that minimal hypersurfaces of Euclidean spaces can all be determined by calibrations locally.

这时ζ是calibration，而M是ζ的积分子流形，从而证明了欧氏空间中的极小超曲面局部都可以由calibration决定。

University of Science and Technology of China, Hefei 230027, ChinaAbstract : Conventional parameter calibration algorithms for InSAR system are based on calibrators' absolute height, so absolute height error is a key factor that influences the calibration results.

现有InSAR参数定标都是基于定标器的绝对高程，因此定标器的绝对高程测量精度是影响参数定标精度的重要因素之一。

According to the theory of calibration and real circumstances of capacitance micrometers, put forward a new method of calibration.

根据传感器标定理论要求与电容式传感器的实际情况，提出一种对电容式传感器静态参数进行标定的方法。

A reverse measurement system about the data collecting of 2-D object edge based on machine vision is discussed,in order to realize digital data input of the dimensions of 2-D object complex edge. This system realized calibration in large scene by virtual grid calibration method, and advanced the precision of system by using double CCD cameras. It realized data mergence by setting up referencer of regular shape. Some methods were put forward to realize graphics vectorization such as using eight-chain code difference to search for the turning points, and using change-length subjunctive beeline to distinguish linetype. The output data use the general DXF document format to connect the software of CAD. Research indicated that this system can be applied in reverse measurement to the dimensions of 2-D object complex edge.

对机器视觉二维反求测量系统进行了研究，以实现二维复杂平面边缘尺寸的数字化录入；采用虚拟网格技术实现大场景下的测量标定；利用双CCD分区域获取图象，通过设置规则参照物、数据拼接等数据处理提高测量精度；提出了利用8-链码的&链差&确定转折点，用&变长度虚拟直线&判断线型实现图形矢量化的方法；数据输出采用通用的DXF文件格式实现与CAD软件的接口；研究结果表明，该系统能够应用于二维复杂平面边缘的反求测量。

In the process acquiring three-dimensional information from the twodimensional picture, the camera calibration is one of essential steps. Moreover, the result of the camera calibration will affect the performance of the machine vision system to a great extent.

在从二维图像获取三维信息的过程中，摄像机标定是必不可少的步骤之一，而且摄像机的标定结果在很大程度上会影响机器视觉系统的性能。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。