1)relative classification accuracy相对分类精度
1.The concept of relative classification accuracy and the attributes reduction solution are used to choose the best number of classification and the appropriate forecast factors.利用属性约简算法及相对分类精度确定预报因子及分级,以最小决策规则集作为推理规则进行分级预报。
2)relative accuracy相对精度
1., followings are acquired: relative accuracy ±003 % absolute accuracy ±002 %, α≤±761×10 -10 ℃ -1 , trace α≤50×10 -10 ℃ -1 .通过优选电阻材料 ,改进工艺条件、激光调阻方法、包封工艺等解决了研制中出现的问题 ,使相对精度达到 0 0 3 % ,绝对精度达到± 0 0 2 % ,|α|≤ 7 61× 10 -6℃ -1,跟踪α≤ 5 0× 10 -6℃ -1,完全符合使用要求。
2.To calculating the relative accuracy has to use the error under the original datum andthe new datum is only used for the begining position of the calculation.本文讨论相对精度及其计算方法。
3.Under the condition to meet engineerings and relevant codes ,when the grad II control grid networks are built for the small factory area, the simple gauge and callrlating methods can be applied ,and the relative accuracy can be used as a main target to evalute the accuracy of the yridnetwork.认为对于小面积厂区,建立Ⅱ级控制方格网时,在满足工程和有关规程要求的条件下,可以采用简单的测设方法和计算方法,并以相对精度作为衡量方格网精度的主要指标。
英文短句/例句
1.Relative Accuracy Estimation for Determining Regional Gravimetric Geoid区域重力大地水准面确定的相对精度估计
2.Monotonicity Analysis of Relative Dilution of Precision of Satellite Navigation卫星导航的相对精度衰减因子单调性分析
3.The result shows that the relative accuracy of zenith wet delay model is about20%~30%.结果表明:天顶湿延迟模型的相对精度大约在20%30%间。
4.Essential oils--Determination of relative densityGB/T14455.4-1993精油相对密度的测定
5.Comparison method for CCD camera accuracy in photography measurement摄影测量中CCD相机精度对比方法研究
6.long double is the same precision as double长双精度型与双精度型的精度相同
7.Relativistic Theory of Time Transfer and Techniques of Clock Synchronization;相对论时间比对理论与高精度时间同步技术
8.DISCUSSION ABOUT THE INFLUENCE OF ESTABLISHING PRECISION PROJECT CONTROL NET AND THE BROADCASTING ATELLITE CALENDAR’S ERROR TO THE ACCURACY OF THE RELATIVE FIXED POSITION浅谈GPS建立精密工程控制网、广播星历误差对相对定位精度的影响
9.Computational accuracy of equivalent magnetic charge method is high, but its calculation is complicated.等效磁荷法计算精度高,但计算过程相对复杂。
10.High accuracy phase estimation algorithm based on spectral leakage cancellation for electrical harmonic基于泄漏对消的电力谐波相角高精度估计算法
11.Analysis of Effects of Factor Correlativity on Accuracy of Dam Monitoring Models因子相关性对大坝监测模型精度的影响探究
12.AN ANALYSIS OF DIFFERENT INSAR FLATTENING ALGORITHMS AND THEIR INFLUENCE ON DEM ACCURACYInSAR平地相位去除算法及其对DEM精度影响研究
13.The high-precision measurement technology based on multichannel phase-difference comparison for TOA of signals多路相差比对信号到达时间高精度测量技术
14.Effect of Effective Concentration of High Melting Point Phases in RH Refining on Slag StickingRH精炼渣高熔点相作用浓度对粘渣的影响
15.The accuracy and relative error are computed by means of exact method as control group.以精确法为标准,计算其他方法的精密度和相对误差。
16.It is not possible to design for capsule pipeline flow with an accuracy comparable to that for singlephase or even many multiphase systems.不可能对包囊的管道流动做出与单相乃至许多相体系在精确度上。
17.The influence on positioning accuracy by relative location of reference station and moving station in interpolation method内插算法中流动站和基准站相对位置对定位精度的影响
18.The camera calibration is of utmost importance for the precision of photogrammetric system.相机的标定对于整个摄影测量系统的精度起着至关重要的作用。
相关短句/例句
relative accuracy相对精度
1., followings are acquired: relative accuracy ±003 % absolute accuracy ±002 %, α≤±761×10 -10 ℃ -1 , trace α≤50×10 -10 ℃ -1 .通过优选电阻材料 ,改进工艺条件、激光调阻方法、包封工艺等解决了研制中出现的问题 ,使相对精度达到 0 0 3 % ,绝对精度达到± 0 0 2 % ,|α|≤ 7 61× 10 -6℃ -1,跟踪α≤ 5 0× 10 -6℃ -1,完全符合使用要求。
2.To calculating the relative accuracy has to use the error under the original datum andthe new datum is only used for the begining position of the calculation.本文讨论相对精度及其计算方法。
3.Under the condition to meet engineerings and relevant codes ,when the grad II control grid networks are built for the small factory area, the simple gauge and callrlating methods can be applied ,and the relative accuracy can be used as a main target to evalute the accuracy of the yridnetwork.认为对于小面积厂区,建立Ⅱ级控制方格网时,在满足工程和有关规程要求的条件下,可以采用简单的测设方法和计算方法,并以相对精度作为衡量方格网精度的主要指标。
3)relative precision相对精度
1.With the given length of three sides and its precision, we can tell the area and its relative precision of any triangle in any shape and come to the conclusion that the relatine precision of the area of the equilateral triangle is the highest, under the conditions of the same precision of the measured sides and the same area.本文设想将一个街坊分解出n个全等三角形,丈量各三角形的三条边长,分别在各边长丈量中误差相同和各边长丈量相对中误差相同的条件下,推导出两种型式的街坊面积相对精度的估算公式及有关限差公式。
2.Based on the theory of singular rough sets,this paper puts forward concepts of improper singular rough sets and the mathematics structures of two direction improper singular rough sets,then discussed the approximate precision and relative precision of two direction improper singular rough sets.在S—粗集的基础上,提出IS—粗集(improper singular rough sets)和双向IS—粗集(two directionimproper singular rough sets)的概念,给出它们的一般数学结构,并讨论了双向IS—粗集的近似精度及相对精度。
3.As discussing the character of inside(outside) boundary,the measure of relative precision is provided.针对S-粗集的动态特性,提出了内(外)边界的概念,讨论了内(外)边界的一些性质,给出了相对精度的度量,并举例说明了S-粗集系统不确定性的近似处理方法。
4)classification precision分类精度
1.How to improve classification precision is a problem which has to be resolved during land inspection.如何提高遥感图像的分类精度,是动态监测中须解决的主要问题之一。
2.Finally,this paper made a comparison of the four classification precisions.结果表明:在一级地类的提取中,面向对象的最邻近分类器的分类精度最低,混合监督分类的精度最高;在二级地类的提取中,面向对象的特征阈值法得到的分类结果较好,能够轻松提取传统分类方法难于提取的地类。
5)classification accuracy分类精度
1.The influence of JPEG2000 compression on of supervised classification accuracy sensing imagel;JPEG 2000压缩对遥感影像监督分类精度的影响
2.This paper discusses the correlation between the number of cut points,granular entropy and classification accuracy in discretization.研究离散化方案中断点数、粒度熵与分类精度之间的关系,证明了粒度熵随着断点数的增加而下降。
3.The method of attribute discretization in classification problems was investigated and probed in such a way that each step of discretization was assessed with classification accuracy and cardinality of positive region, and the assessed value was then feed back to the process of discretization until all attribute values were dealt wi.研究和探讨了分类问题中的属性离散化方法,以分类精度和正域的势来评估每一步离散化过程,并将评估结果进行反馈,直至所有属性的属性值判断完为止。
6)classify precision分类精度
1.Although this method largly reduces the cost of learning,it exist a deadiness weakness:if the choice of original training set is improper,the classify precision of SVM will not be guaranteed.文献[4]提出了一种针对大规模样本集的学习策略,该方法虽大幅降低了学习的代价,但存在着一个致命的弱点:如果初始样本集选择不当,SVM的分类精度将得不到保障。
2.A case in Yuli given the classify precision of remote sensing data in the investigation of glebe resource.并以新疆国土资源环境遥感综合调查项目的土地资源遥感调查重点县尉犁县为例,利用2000年4~9月中巴资源卫星遥感资料,计算了遥感资料在土地调查中的分类精度。
延伸阅读
螺纹参数的精度与经济精度的分别螺纹参数的精度与经济精度的分别螺纹参数也有其精度与经济精度之分别吗?
零件的参数有精度与经济精度的概念,螺纹作为零件的一种,其参数自然也有精度与经济精度的概念。搞清楚具体螺纹参数的精度与经济精度的分别,知道哪个参数在标准中是“精度”的意义,哪个参数是“经济精度”的意义,对认识现时螺纹精度存在的问题,通过设计的改进,有效提高螺纹的精度,生产各种“高精度螺纹”,具有重大的指导意义。1.零件参数的精度与经济精度的概念让我们先来复习一下零件参数的“精度”与“经济精度”的概念。《GB1800 公差与配合》标准,对“精度”有准确的定义。在机械制造中,我们常常会选择和标注的某一零件参数的精度,也就是我们平常所见所说的公差,这个精度高低(公差的大小),是国际标准公差(IT)的大小排定的。那么,“经济精度”又是一个什么样的概念呢?这个概念在该国家标准中没有说明,在其它的资料中,也很少有表述。“经济精度”其实是一个“实践的概念”,所谓“实践的概念”,是一种“可变的”内在关系。这话怎么解?如我们现在的普通车床,它加工零件的精度可达IT6级,磨床,可达IT4级。这个“级数”,既是就机床的精度,也是就机床的“经济精度”而言的;也就是说,用这种机床生产加工零件,实现或达到上述的精度是正常的精度,是客观的精度,是一种客观上可“自然地”、“轻松地”实现的能力或内在关系。另一方面,这种“经济精度”也是可变的,如几十年后,我们制造车床的精度水平提高了,这种车床实现IT5级或IT4级精度都是一件“轻松”的事时,则这时车床的经济精度就提高到了IT5级或IT4级了。这段话,说得虽不很清楚,但实践中我们的设计人员会自如地做到:当零件只需要用普通车床加工就能满足使用要求时,他绝不会选择或标注一个IT5级以上的精度,否则,我们的车间工艺人员就得增加一道磨削的工序了,因为磨削才是IT5级以上精度所能“轻松”达到的“经济精度”。这是第一层关系的意思。