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    Area of Science:

    • Physics
    • Fluid Dynamics
    • Signal Processing

    Background:

    • Numerous mathematical models exist for rotational Doppler effect frequency shift derivation.
    • The characteristics and impacts of different models on results remain under-analyzed.

    Purpose of the Study:

    • To apply Eulerian and Lagrangian methods from fluid dynamics to rotational Doppler effect analysis.
    • To classify existing models, validate the fluid dynamics analogy, and compare model characteristics and applications.
    • To provide a reference framework for selecting analytical methods in rotational Doppler effect research.

    Main Methods:

    • Classification of rotational Doppler effect analysis models.
    • Application of Eulerian and Lagrangian methods.
    • Comparative analysis of model characteristics and differences.

    Main Results:

    • Validation of the analogy between fluid dynamics models and rotational Doppler effect analysis.
    • Detailed examination of the characteristics and applications of Eulerian and Lagrangian methods in this context.
    • Identification of key differences between the two analytical approaches.

    Conclusions:

    • The application of fluid dynamics models offers a novel perspective for rotational Doppler effect analysis.
    • Understanding the distinct characteristics of Eulerian and Lagrangian methods aids in method selection.
    • This research enhances efficiency by providing a structured framework for analytical method selection.