In order to remove the positiveimpulse noise, a nonlinear filter (RCF) based on row and column filtering is presented and its filtering and detail protection properties are analyzed in the paper.
It is shown that the filter presented in the paper has the ability of effective removing the positiveimpulse noise and better protection for edges and details with simple row and column processing.
To analyze the formation of surface discharge on a dielectric plate under positive nanosecond impulse voltage in air, a wire to plane electrode system with a barrier of negative film was used.