说明:双击或选中下面任意单词,将显示该词的音标、读音、翻译等;选中中文或多个词,将显示翻译。
您的位置:首页 -> 词典 -> 静脉特征
1)  vein patterns
静脉特征
1.
This paper proposes a novel vein patterns extraction algorithm based on adaptive region-growing algorithm for personal verification application.
静脉特征作为人体生物特征,具有惟一性和终身不变的特点,近年来作为生物特征识别的一个重要研究领域,越来越受到研究者的重视。
2)  static feature
静态特征
1.
One is static feature extraction.
在具体解决签名鉴别时,一方面要考虑签名的静态特征,另一方面寻找动态特征。
3)  payload characteristics
静荷特征
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:经皮经颈静脉肝内门体静脉内支架分流术


经皮经颈静脉肝内门体静脉内支架分流术


介入放射学技术。也称经皮经颈静脉肝内门体静脉分流术(TIPS),1969年最初由Rosch等首先报道。经颈静脉送入导丝,于门-腔静脉间经肝实质建立通道,并放入支架以形成永久性分流径路的治疗方式,以降低门脉压力,治疗顽固性的食管胃底静脉曲张出血及顽固性的腹水。该技术除常规导丝、导管、球囊扩张导管等外,需向建立的分流通道内置入支架,常用的有Z-型支架、Wallstent支架、Strecker支架等。
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