摘要
本文对正弦阶梯波进行了频谱分析，为合成数字正弦波提供了一定的数值依据。
The paper presents the results of the frequency spectrum analysis to sine ladder signals. The conclusions provide reference for synthesizing digital sine signals.
关键词
正弦阶梯波
继电保护
频谱分析
正弦信号
sine ladder signals, frequency spectrum, fundamental frequency, harmonic frequency
