Intelligent pipeline positioning device and method based on coded signal
A technology for coding signals and intelligent pipes, which is applied in measurement devices, seismic signal processing, seismic signal receivers, etc., to achieve the effects of long detection distance, high signal-to-noise ratio, and improved accuracy and reliability
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[0020] Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:
[0021] Such as figure 1 and 2 The shown intelligent pipeline positioning device based on coded signals includes a signal transmitter 1 and a signal receiver 2, the signal transmitter 1 includes an encoder 1.1, a signal amplifier 1.2, an audio oscillator 1.3, and the signal receiver 2 Including a vibration signal sensor 2.1, an analog-to-digital converter 2.2, and a signal processor 2.3, the encoder 1.1 is used to generate an acoustic coded signal (Chirp coded signal);
[0022] The signal amplifier 1.2 is used to amplify the power of the acoustic coded signal. The degree of power amplification is related to the distance between the detection point and the signal transmitter, and the density of the soil medium above the buried pipeline. Generally, the farther the receiver is from the transmitter , the looser the soil medium above the pipeline, t...
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