A sine wave has the same amplitude (distance from centerline to the top of a peak) and wavelength (distance from peak to peak) over time.
A sine wave has the same amplitude (distance from centerline to the top of a peak) and wavelength (distance from peak to peak) over time.
一个正弦波有固定的振幅（波峰顶部的高度）和波长（波峰的间距）。