Correlation dimension D_2 can be used to identify different suspension types such as those of the off-road jeep and the car. The D_2 of the off-road jeep is larger than the one of the car.

• 对于不同车型；可采用关联维D2区分吉普车型或轿车型的悬架；吉普车型的D2值高于轿车型.