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en:lesson02 [2019/10/21 16:46] golikov |
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For example, in the case of sound waves, when you remove the source, the pitch will decrease, and when approaching, the tone of the sound will become higher. So, by changing the pitch you can determine whether a train is approaching or moving away, a car with a special sound signal. | For example, in the case of sound waves, when you remove the source, the pitch will decrease, and when approaching, the tone of the sound will become higher. So, by changing the pitch you can determine whether a train is approaching or moving away, a car with a special sound signal. | ||
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The same thing happens with the signal from the satellite. | The same thing happens with the signal from the satellite. |