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已知调频波表示式为Ufm(t)=6cos 已知一平面简谐波的表达式为y=0.25cos(125t-0.37x)
已知一平面简谐波的表达式为y=0.25cos(125t-0.37x) 解:(bai1)的振动方程为du y|zhi=0.25cos(125t-3.7)x=25m的振动dao方程为回 y|=0.25cos(125t-9.25)(2)x 与x...
已知一平面简谐波的表达式为y=0.25cos(125t-0.37x) 解:(bai1)的振动方程为du y|zhi=0.25cos(125t-3.7)x=25m的振动dao方程为回 y|=0.25cos(125t-9.25)(2)x 与x...