Review on weapons and equipment sensitivity analysis methods

Sensitivity analysis is an emphasis in the development demonstration weapons and equipment,and it is important for the rea-sonability and feasibility of the analysis to choose applicable method.So that,the comparison and analysis among the present methods are in need.Firstly,the analysis methods at present are reviewed and classified,the applicability and characteristics of screening methods,local sensitivity analysis methods and global sensitivity analysis methods are brought forward.Secondly,some research and comparison analysis on the idea,principle,advantages and restriction of global sensitivity analysis methods,such as regression analysis method,Fourier amplitude sensitivity test,response surface method,mutual information index,and Sobol index method are carried on.Because the Sobol index method doesn’t specially demand the effectiveness model have the characteristics that linear,monotony,nor any special restriction on the distribution function of inputs,so that it is used to analyze the influence on the model’s output by main effect,total effect of single input,and the interaction effect of multiple inputs,and also it can used to analyze the influence on the model’s output by inputs in groups.So that the conclusion is drawn,that Sobol index method is relatively a feasible method for sensitivity analysis of weapons and equipment.