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求解常差分方程是信号处理领域中的重要方法和手段。探讨了解线性常系数齐次和非齐次差分方程的特征值法和z变换法,并对此类方程在信号分析和处理中的应用作简单介绍。
Solving the ordinary difference equations is an important method and means in the field of signal processing. Exploring the eigenvalue method and z-transform method for solving linear homogeneous coefficients and inhomogeneous difference equations with constant coefficients, and introduces the application of these equations in signal analysis and processing.