Water quality monitoring real-time early-warning system
An early warning system and water quality monitoring technology, applied in the field of data aggregation, can solve the problems of measurement data signal distortion, signal waveform distortion, etc., to achieve the effect of protecting the circuit, ensuring unity, ensuring stability and accuracy
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Embodiment 1
[0013] Embodiment 1, a real-time early warning system for water quality monitoring, including a frequency acquisition circuit, a frequency modulation feedback circuit and a filter transmission circuit, the frequency acquisition circuit uses the frequency collector J1 of the model SJ-ADC to detect the water resource environment measurement received by the water environment monitoring platform Data signal frequency, the frequency modulation feedback circuit is divided into two channels to receive the output signal of the frequency acquisition circuit, one circuit uses transistor Q1 and transistor Q2 to form a push-pull circuit to prevent signal crossover distortion, and the second circuit uses resistor R2-resistor R4 and capacitor C2-capacitor C4 Form a frequency selection circuit to screen out a single frequency signal, and finally a frequency modulation circuit composed of transistor Q3, transistor Q4 and resistor R8-resistor R10 receives two signals and modulates the frequency,...
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