1) convex-and-concave feature
凹凸特性
1.
First value_associated background of string s image is found,convex-and-concave feature is then extracted.
针对现有的切分算法结构复杂,时间和空间复杂度高等不足,提出了一种基于凹凸特性的非限制粘连手写数字串切分的新方法。
2.
First the value associated background of letter s image is found and the convex-and-concave feature is extracted,then,the classification tables are constructed.
首先计算字母图像的赋值背景,再从中提取凹凸特性,然后根据凹凸特性构建分类表进行分类识别。
2) Concavo-convex Characteristic
凹凸特性
1.
On the basis of self-defined MBT(max-bottom-top-operator) function in mathe-matical morphology,this paper deduced the formula against sine wave which indicated the relationship between the selected structural elements radius and the value of MBT function,and constructed relative concavo-convex coefficient Kcc which was used for showing the concavo-convex characteristic.
该方法从形态开和闭运算的几何解释出发,采用数据延拓的方法克服开和闭运算中存在的"端点效应"问题,进而定义并构造出波峰谷最大算子函数MBT函数,针对正弦波形定量推导所选结构元素半径与MBT函数值之间的关系,构造指示波形凹凸特性的相对凹凸系数Kcc,并根据差流的凹凸系数Kcc来区分变压器励磁涌流和内部故障。
3) convex and concave feature
凹凸特征
4) convexity and concavity
凸凹性
5) convexity and concavity
凹凸性
1.
A pressure angle function(PAF) based method for describing convexity and concavity of tooth profiles was established.
首次提出基于啮合角函数的平面共轭齿廓凹凸性判别方法·给出六项判据·根据这些判据 ,无需求解齿廓方程 ,由啮合角函数直接判别共轭齿廓凹凸性·为设计高性能的齿轮齿廓提供了新途径
6) convexity
[英][,kɔn'veksiti] [美][,kɑn'vɛksətɪ]
凹凸性
1.
In this paper,the authors study the monotoneity and convexity of certain combinations and composites defined in terms of the generalized Grtzsch ring function μ_a(r),which appears in Ramanujan s generalized modular equations,and obtain some inequalities for this function.
揭示了由出现于广义Ramanujan模方程中的所谓广义Gr¨otzsch环函数μa(r)定义的某些组合、μa和某些初等函数的复合的凹凸性和单调性,并由此获得了μa(r)满足的几个不等式,描述了函数μa的一种近似于凹凸性的性质。
2.
In this paper,a kind of extended mean values is provided,and using mean values theory and derivative,monotonicity and convexity of this kind of mean values are focused.
文章给出拓广平均值的一类情形,并利用有关中值定理和导数工具着重讨论了此类平均值函数的单调性、凹凸性。
补充资料：凹凸不平
【凹凸不平】
“中文解释”：形容平面上有凸出和凹进的地方
“英文解释”：accidented <to be full of bumps and holes>
“日文解释”：
“德文解释”：
“法文解释”：
“近义词组”：坎坷不平
“反义词组”：平平坦坦
“结构用法”：作谓语、定语；形容物体的表面
“歇 后 语”：笨媳妇纳鞋底
“灯谜谜面”：麻脸
“典故出处”：方志敏《我从事革命斗争的略述》：“道路是凹凸不平的，柴屑粪渣，零零散散地散布在路上。”
“应用举例”：路遥《平凡的世界》第四卷第49章：“灿烂的阳光，美丽的野花，碧波荡漾的原西河，～的石板街……”
“成语故事”：
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条