Using true-amplitude one-way wave equation, the energy loss by geometric diffusion can be compensated.
采用真振幅单程波动方程进行计算，补偿了几何扩散造成的能量损失；
We derive the analytic solution of the non-homogeneous fractional diffusion-wave equation under the mixed boundary conditions using the method of separation of variables.
利用分离变量方法导出了在混合边界条件下的非齐次分数阶扩散-波动方程的解析解。
However, accurate analytic diffusion wave solutions are difficult to obtain due to the strong nonlinearity of the radiation diffusion equation.
但是由于辐射热传导方程具有很强的非线性，其精确的解析解很难求出。
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