The key technologies applied in this system, such as synchro-sampling, frequency tracking and Ethernet communication, are expounded.
在简述其结构的基础上，对故障录波系统的频率跟踪技术、同步技术以及以太网通信等关键技术进行了阐述。
In the sampling range digital filter was done. The dual directional seam tracking was achieved by this control system and anti disturbance was strengthened.
提出动态采样区域法进行离散采样、数字滤波，实现焊缝双向跟踪，使系统抗干扰能力强。
In the sampling range digital filter was done. The dual directional seam tracking was achieved by this control system and anti disturbance was strengthened.
提出动态采样区域法进行离散采样、数字滤波，实现焊缝双向跟踪，使系统抗干扰能力强。
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