The theory of defect location for protective coating of buried steel pipeline based on Wavelet Transform is put forward.
提出了基于小波变换的埋地钢质管道外覆盖层缺陷定位理论。
参考来源 - 基于阴极保护的埋地钢质管道外覆盖层缺陷检测与评价方法研究·2,447,543篇论文数据，部分数据来源于NoteExpress
The situ testing results show that the precision of defect location and sizing can be im-proved.
现场试验表明，该仪器可以提高缺陷定位、定量精度。
This paper introduces the method to the defect location in the scarf welding joint by ultrasonic test, which can be adopted in the construction site.
探讨了斜面焊接接头超声波探伤中缺陷定位的方法，可供现场施工实际探伤时采用。
AIM: To analyze incidence of depressive disorder DD and its relation with lesion location, cerebral blood flow and neurological defect in patients with acute or chronic ischemic stroke.
目的：分析急性和慢性缺血性脑卒中患者抑郁障碍的发生率及其与发病部位、脑血流量及神经功能缺陷的关系。
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