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Random signals, also known as uncertain signals, refer to signals that cannot be expressed by a definite time function. Generally, the frequency domain of this type of signal is continuous, while the function signal is discontinuous. Engineering Applications of Random Signal Analysis discusses the basic theory of random signal analysis and its engineering applications from a practical perspective. The main contents include: basic concepts and mathematical description methods of random physical phenomena and random signals, as well as basic theories of random signal analysis and engineering applications of random signal related analysis and spectral analysis.