A vehicle anti-theft detection method and device thereof
A detection method and vehicle anti-theft technology, which are applied to vehicle parts, vehicle accessories for anti-theft, transportation and packaging, etc., can solve the problems of high false alarm rate, inability to correctly identify various states of vehicles, etc. The effect of widening the detection range and high sensitivity
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[0028] Embodiment, a vehicle anti-theft detection method, the method is:
[0029] 1) The processor detects the signal output of the vibration sensor and the acceleration sensor at any time;
[0030] 2) The output voltage signal of the vibration sensor is amplified by the amplifier circuit and sent to the processor for analysis and processing;
[0031] 3) The level signal output by the acceleration sensor is sent to the processor for analysis and processing after filtering out the high-frequency response of the acceleration sensor and other high-frequency interference introduced by the circuit through the filter circuit;
[0032] 4) The processor compares the amplitude of the input signal to determine whether it exceeds a predetermined threshold, and directly outputs an alarm signal when a signal exceeding the predetermined threshold occurs, and returns to step 1 if there is no signal exceeding the predetermined threshold);
[0033] 5) The processor analyzes the frequency of t...
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