This invention relates to the fields of
electronic component design and
electromagnetic compatibility (EMC) technology, specifically disclosing a method and
system for designing the dimensions of integrated piezoelectric ceramics based on
electromagnetic interference frequencies. The method and
system of this invention measure and analyze the impedance amplitude-frequency characteristics of the piezoelectric
ceramic, identify its resonant frequency, and establish an
electromechanical coupling model and a
frequency offset model of the piezoelectric
ceramic under weak
coupling conditions. Since the constructed model is associated with material parameters, geometric dimensions, and resonant frequencies, the
center frequency of the target interference
signal is used as the design input, allowing for the reverse calculation and determination of the optimal geometric dimensions of the integrated piezoelectric
ceramic for multiple interference signals. This design method and
system of this invention realizes the transformation of piezoelectric ceramic filters from "selection and
adaptation" to "precise design," enabling customized design of integrated piezoelectric ceramic components for specific
electromagnetic interference, achieving efficient customized design and
performance improvement of filters.