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Detector, is a device fluctuation signals detected some useful information. For identifying wave oscillation or a signal or change in the presence of the device. Detector are typically used to extract the information carried. Detector into an envelope detector and a synchronous detector. The former output signal and the input signal envelope to the corresponding relationship between the main criteria used to demodulate AM signals.
Piezoelectric geophones typically made of a piezoelectric element (potassium sodium tartrate crystals, barium titanate ceramics, lead zirconate titanate ceramics, etc.). With this principle the pressure on the voltage generated is proportional to the element to receive the seismic waves. Marine seismic exploration work in order to not be less affected by the waves, the detector should sink into the water. Often placed underwater piezoelectric detector 1/4 seismic wave strengths, resonance caused by the energy of the maximum depth, are suitable for the requirements of marine work. This is a high impedance device, before the elapse of the recording apparatus is transferred to the streamer, the output signal can be produced by a piezoelectric detector preamplifier or impedance matching transformer.
Piezoelectric geophones typically made of a piezoelectric element (potassium sodium tartrate crystals, barium titanate ceramics, lead zirconate titanate ceramics, etc.). With this principle the pressure on the voltage generated is proportional to the element to receive the seismic waves. Marine seismic exploration work in order to not be less affected by the waves, the detector should sink into the water. Often placed underwater piezoelectric detector 1/4 seismic wave strengths, resonance caused by the energy of the maximum depth, are suitable for the requirements of marine work. This is a high impedance device, before the elapse of the recording apparatus is transferred to the streamer, the output signal can be produced by a piezoelectric detector preamplifier or impedance matching transformer.
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WEIHAI GRAND EXPLORATION INSTRUMENT CO.,LTD Main products are | Vibration sensor | Speedometer | DetectorWait
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