Signal management system of anorectal endoscope

The invention discloses a signal management system of an anorectal endoscope. The signal management system comprises a signal receiver, a signal conditioning module, a demodulation module and a control terminal, wherein the signal receiver receives a signal sent by a signal transmitter in the anorectal endoscope, and then the signal is sent to the demodulation module for demodulation after being conditioned by the signal conditioning module, the signal conditioning module uses a diode D4, a diode D5 and an operational amplifier AR4 to convert the signal into a positive signal, and then a meanvalue circuit composed of an operational amplifier AR3, a resistor R11, and a capacitor C8 further outputs a mean value signal, an adder composed of an operational amplifier AR5, a resistor R15 and aresistor R16 adds two signals, and a capacitor C6 and a capacitor C7 are designed to lag the signals at the in-phase input end of the operational amplifier AR5. The delayed charge and discharge of thecapacitor C6 and the capac