1) low-frequency detection
低频检测
2) passive detection of low frequency
低频被动检测
3) low-frequency eddy current testing
低频涡流检测
1.
The low-frequency eddy current testing technology has more sensitivity on detecting the defects inside pipeline wall, so it has a very good prospect.
低频涡流检测技术对管道内表面的缺陷具有较高的灵敏度,有着很好的应用前景。
4) low-frequency eddy current testing technology
低频涡流检测技术
1.
the portable steel-plate detector has been designed to perform the steel-plate material testing in service through the analysis of conventional eddy current testing principle,using the low-frequency eddy current testing technology,applying the hardware chip S3C44B0X which has ARM7TDMI microprocessor core,and using the software μC/OS-II which has real-time embedded operating system core.
涡流检测是无损检测技术的一个应用分支,通过对常规涡流检测原理的分析,采用低频涡流检测技术,在硬件上应用片内集成ARM7TDMI核的微处理S3C44B0X,软件上采用μC/OS-II实时嵌入式操作系统内核,设计出便携式钢板检测仪,进行钢板材料的在役检测。
5) low frequent inspection
低频巡检
6) low-frequency test
低频测试
1.
Based on the principle of low-frequency protection,the low-frequency test scheme and common problems are analyzed in detail,and some experience in field test is summarized to provide reference for technical personnel.
从低频保护的原理出发,对低频测试方案及容易出现的问题进行了详尽的分析,得出一些现场测试经验,可供有关技术人员参考。
补充资料：低频
1.指应用于某一技术领域中的最低频率范围。例如，无线电波段中，将30～300千赫范围内的频率称低频;电子放大电路中，将接近音频(20赫兹～2万赫兹)的频率称为低频。
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