High precision pressure acquisition method and system

High precision pressure acquisition method and system

  • CN 105,241,602 A
  • Filed: 10/16/2015
  • Published: 01/13/2016
  • Est. Priority Date: 10/16/2015
  • Status: Active Application
First Claim
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1. a high-precision pressure acquisition method, is characterized in that, comprising:

  • Utilizing difference channel when calculating pressure reduction, after the ripple of the coupling of process collection signal, obtaining pressure difference;

    Carry out digital filtering to described pressure difference, the signal of the abnormal over range of further filtering, shows through filtered pressure difference result as net result.

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