浅释驻波不传播能量

Why the Standing Wave Does Not Spread Energy

本文从“驻波是两列反向传播能量的行波迭加而成”和“驻波方程”两个角度,分析了驻波的能量、能量密度及能流密度,从而找到驻波不传播能量、能量密度最大处能流密度却为零等问题的解释。

Based on the conception that 'the standing wave is formed by two overlapped constant waves spreading energy in opposite directions' and the equation of standing wave, this paper analyses the energy of the standing wave, energy density and density of energy flow so as to find out why the standing wave does not spread energy, and why the density of energy flow is minimum where the energy density is maximum。