Resonance circuit used for measurement device and measurement device

Resonance circuit used for measurement device and measurement device

  • CN 105,865,554 A
  • Filed: 02/04/2016
  • Published: 08/17/2016
  • Est. Priority Date: 02/05/2015
  • Status: Active Application
First Claim
Patent Images

1. , for the resonance circuit of measurement apparatus, it is configured to:

  • receive by withDeltasigma modulator Δ

    Σ

    -modulation mimotope shifting signal and the impulse density signal that obtains and from instituteState many bit signals of impulse density signal acquisition;

    And according to described impulse density signal and instituteStating many bit signals to generate excitation signal, described resonance circuit includes;

    Amplification coefficient controller, it is configured to according to from shaking that described many bit signals obtainDynamic signal arranges amplification coefficient;

    Multiplier, it is configured to according to described amplification coefficient to amplify described impulse density letterNumber level;

    AndCircuit group, it is configured to according to by further Δ

    Σ

    -modulate the defeated of described multiplierThe impulse density signal gone out and obtain, generates described excitation signal;

    Wherein said amplification coefficient controller is configured to;

    obtain according to from described vibration signalAmplitude signal and target amplitude value between difference, use ratio control and integration control arrangeDescribed amplification coefficient.

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