The phase velocity basically tells you how fast a pure sine wave (with a single frequency) moves.
The phase velocity basically tells you how fast a pure sine wave (with a single frequency) moves.
相速度可以告诉我们一个纯正弦波的传播速度。
The phase velocity basically tells you how fast a pure sine wave (with a single frequency) moves.
相速度可以告诉我们一个纯正弦波的传播速度。