square wave
柯林斯詞典
1. N an oscillation, for example in voltage pulse, that alternates between two fixed values with a negligible transition time between the two, giving a rectangular waveform 方波
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<abbr id="4ksm6"></abbr> 1. N an oscillation, for example in voltage pulse, that alternates between two fixed values with a negligible transition time between the two, giving a rectangular waveform 方波