Method for detecting aircraft cable fault by use of Wigner data distribution matrix
A cable fault and data distribution technology, applied in the direction of the fault location, etc., can solve the problems of affecting the judgment of fault reflection signals, increasing the false alarm rate of aircraft cable faults, and the difficulty of judging fault points, so as to improve the efficiency of fault detection and improve fault diagnosis and detection. The effect of yield
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[0029] The method for detecting aircraft cable faults by using the Wigner data distribution matrix of the present invention will be described in detail below in conjunction with the embodiments and the accompanying drawings.
[0030] like figure 2 As shown, a kind of method of the present invention utilizes Wegener data distribution matrix to detect aircraft cable fault, comprises the steps:
[0031] (1) Incident reference signal setting, including the stage of selecting the center frequency, the stage of selecting the frequency bandwidth, and the stage of selecting the time width of the incident reference signal according to the selected center frequency and frequency bandwidth; wherein,
[0032] The center frequency of the incident reference signal determines the degree of attenuation of the incident reference signal as it travels through the cable. Higher frequencies will have higher spatial resolution wavelets, but at the same time there will be more attenuation. The cen...
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