Pointing to the high-pressure sensor linearization output result inaccurate phenomenon,the Dufllng nonlinear system is studied. Using sensor output data as the compensator input,and the sensor input data as the compensator output,the compensator is designed based on the nonlinear dynamic Laguerre function.This method by which the nonlinear order of sensor does not need to be known has the strong inhibitory action for the external interference and a definite advantage to time delay.After the sensor dynamic c...