In this paper the development of power line harmonic analyzer based on ind us-trial PC is introduced, and the working principle and design method are given.
介绍了以工业控制计算机为核心的电能质量分析仪，阐述了仪器的工作原理和设计要点。
The second-harmonic generation frequency-resolved optical gating (SHG-FROG) analyzer can be used to exactly measure the pulses characteristics.
二次谐波频率分辨光学门（SHG-FROG）是能够准确测量短脉冲多项特性参量的新技术。
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