1) vein features
翅脉特征
1.
According to the characteristics of the butterfly image which has directional feature,a segmentation algorithm combined the directional wavelet transform with the ant colony algorithm is proposed to extract the butterfly-vein features effectively.
针对翅脉特征的有效提取问题,根据蝶翅图像具有方向性的特点,提出了方向小波变换与蚁群算法相结合的分割方法。
2) wing shape characteristics
翅形特征
3) Characteristic of wing speckle
翅面斑纹特征
4) Vein characteristics
矿脉特征
1.
The vein characteristics and spatial distribution of Banxi antimony ore-deposit are reported and analysed in this paper, by which 4 phases of occurrence of ore-forming faultswere recognized, and Sb mineralization took place mainly in the 3rd phase.
论述了板溪锑矿的矿脉特征及空间分布规律，并通过对其分析，得出矿床的成矿断裂构造的产生有四个阶段,其中锑矿化主要与第三阶段有关。
5) in-pulse characteristics
脉内特征
1.
A new method of extracting in-pulse characteristics from PSK signal in low SNR;
低信噪比下相位编码信号脉内特征提取新方法
2.
Aiming at the lack of wavelet transform in extracting the in-pulse characteristics of LMF,we combine time-frequency reassignment with time-frequency ridge and propose a joint time-frequency analysis method.
针对小波变换法在提取线性调频信号脉内特征中的不足,提出了将时频重排和时频脊线相结合的时频联合分析方法。
3.
Extracting of radar in-pulse characteristics is an important technology to sort and recognize intercept signal from the radar countermeasure systems.
信号脉内特征提取技术是雷达对抗系统分选、识别截获信号的关键技术。
6) in-pulse features
脉内特征
1.
Aiming at the shortage of wavelet transform in extracting in-pulse features from FSK signal,a united time-frequency analyse method combined with time-frequency reassignment and time-frequency ridge is introduced.
针对小波变换法在提取频率编码信号脉内特征中的不足,提出了将时频重排和时频脊线相结合的时频联合分析方法。
2.
The technique of extracting in-pulse features from compression and complex condition is very important to radiant point selecting and identification.
通过讨论小波变换法、伪威格纳威尔分布(PWD)法等典型非线性调频信号脉内特征提取方法,提出了将小波变换法和PWD法提取的结果进行截断综合,再提取时频图脊线的新算法。
3.
Some typical methods of extracting the in-pulse features of radar signal such as wavelet transformation and WVD were compared.
通过对小波变换法、Wigner-Ville分布等典型雷达信号脉内特征提取方法优缺点的分析,提出了一种将小波变换法和Wigner-Ville分布提取的结果进行截断综合的综合提取算法,实现了雷达信号的脉内特征准确提取。
补充资料：翅脉
昆虫翅上纵行和横行的脉，由胚胎时气管分布到翅的内部而形成。翅脉有一定的形式、数目及分布特点，称为“脉序”。脉序是昆虫分类的重要根据之一。
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