Half sine意思
"Half sine" is not a standard term in mathematics or engineering, so it may not have a universally agreed-upon meaning. However, it's possible that it could refer to one of the following:
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Half-cycle sine wave: This could mean a sine wave that completes only half of its cycle, from zero to its positive peak or from its positive peak back to zero.
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Half-amplitude sine wave: This could mean a sine wave that has half the amplitude of a standard sine wave, meaning it oscillates between +/- A/2, where A is the amplitude of the standard sine wave.
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Sine wave with a phase shift of π/2 (90 degrees): This interpretation is a bit of a stretch, but a sine wave shifted by π/2 would have the same shape as a half-cycle sine wave, but it would start at its maximum positive value and then decrease to zero.
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Sine wave with a frequency of π/2 (not a standard term): This could be interpreted as a sine wave that completes half of its cycle in the time it takes a standard sine wave to complete one cycle.
Without more context, it's difficult to determine which meaning is intended. If you're encountering "half sine" in a specific technical context, it would be best to consult the relevant documentation or ask the person who used the term for clarification.