Multisensor data processing of the data acquisition, storage, retrieval, processing, transform and Data is facts, concepts, or instructions for an expression of, can be manually or automatic device for The data form can be Numbers, words and graphics or sound, Data through explain with certain significance after, became The basic purpose of processing the data from large, may is messy, incomprehensible data extraction is deduced for some specific people is a worthy and meaningful Digital signal processing in a very important and application popular technology is digital filter, the input and output are digital signal, through some operation concern change input signal frequency components contained in the relative proportion or filter some frequency component to extract and strengthen the useful ingredients, signal free-willing useless interference ingredients