Signal processing system for magnetostrictive material level instrument

The utility model provides a signal processing system for a magnetostrictive material level instrument, and relates to the technical field of signal processing. The system comprises a pulse current generator, a waveguide wire, a receiving coil, a signal amplification circuit, a signal amplitude filter, a signal pulse width filter and a processing chip with a high-speed timer function, the pulse current generator is used for applying pulse current on the waveguide wire; the waveguide wire is used for generating a torsional wave signal when the pulse current is loaded; the receiving coil is used for generating an induced voltage pulse signal in response to the torsion wave signal; the signal amplification circuit is used for amplifying the signal; the signal amplitude filter is used for performing amplitude filtering on the signal; the signal pulse width filter is used for performing pulse width filtering on the signal; and the processing chip with the high-speed timer function is used for measuring the propaga