Non-linear digital compensation method for wide-range silicon micro gyroscope

The invention discloses a non-linear digital compensation method for a wide-range silicon micro gyroscope. The method comprises the steps that scale factor non-linear compensation positions are selected reasonably, and a scale factor compensation and output compensation model is established according to the input and output relation; a total air temperature experiment is conducted within the range of -40 DEG C to +60 DEG C, and high-temperature scale factors, low-temperature scale factors and constant-temperature scale factors are calculated according to experiment data; segment temperature compensation is conducted on the scale factors according to the compensation model, segments include -40 DEG C to +20 DEG C and +20 DEG C to +60 DEG C, and the segmenting mode can be adjusted according to the actual situation; a key rotating speed point is selected at a key temperature point for measurement of output, a least square method is used for fitting a rotating speed and gyroscope output straight line, namely a sc