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Author:

刘增华 (刘增华.) (Scholars:刘增华) | 孙坤明 (孙坤明.) | 曹丽华 (曹丽华.) | 吴斌 (吴斌.) (Scholars:吴斌) | 何存富 (何存富.) (Scholars:何存富)

Indexed by:

incoPat zhihuiya

Abstract:

基于密集型激光传感器阵列的Lamb波板状结构的缺陷定位方法,属于激光超声无损检测领域。在金属板结构的中心部位分布多个传感器阵元形成一个n×n的密集型阵列,用来检测整个板结构的缺陷。单个传感器阵元激励剩余的传感器阵元接收,这样共采集组数据。对采集到的数据分别进行连续小波变换来提取特定频率附近的信号。之后对提取到的信号进行频散补偿去除信号的频散现象,有利于对缺陷更加准确的识别。在本发明中分别对信号进行全聚焦成像和符号相干因子成像,并对二者的成像结果进行图像融合,从而对缺陷进行准确的定位。

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Patent Info :

Type: 发明授权

Patent No.: CN201610028795.6

Filing Date: 2016-01-15

Publication Date: 2018-12-25

Pub. No.: CN105527345B

Applicants: 北京工业大学

Legal Status: 授权

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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