To Evaluate the Detection Ability of Lightning Location System Via "Concentric Circles Method"
As pivotal equipment for lightning study and early warning,Lightning Location System(LLS) has been widely used in China.But up to now there is no effective method to evaluate its detection ability.In order to solve this problem,Concentric circles method is proposed to objectively evaluate the detection ability of LLS,practically take SAFIR3000 LLS in Shanghai as example,make use of computer software technology and get the following results:(I) More furthe raway,the detection ability of LLS is more lower,meanwhile more location error and detected average current intensity.(II) Exampled LLS' detection ability far Cloud-to-Ground flashes is rather low,its effective detection range covers only 120 kilometers,which is far less than claimed by its manufacturer.(III) The Concentric Circles Method has its scientific advantage on the evaluation of detection ability of LLS,worthy promoted widely in the field of lightning study.