Research on a new photoelectric detection method to anti-muzzle`s flame or light disturbance and projectile`s information recognition in photoelectric detection target

摘要

Thispaperresearchesanewphotoelectricdetectionmethodtoweakenoreliminatetheinfluenceofthemuzzle`sflameorlightinphotoelectricdetectiontarget.Accordingtotheworkprincipleofphotoelectricdetectiontargetinmuzzle,paperresearchestheoutputsignalcharacteristicsofmuzzle`sflameorlight,analyzesthedifferencesbetweenflyingprojectile`sinformationandmuzzle`sflameorlight,proposesdoublearrayphotoelectricdetectorthatwasdivideintomasterdetectionareaandslavedetectionareatodesigndetectionscreen,setupthedesignmodelofanti-muzzle`sflameorlightdisturbancebytherelationforflameorlightsignal,projectile`sinformationandcircuitnoisesignal,andstudythealgorithmofprojectileinformationrecognitionandtimeextractionwhenprojectilepassingthroughthedetectionscreen.Throughexperimentandanalysis,theresultsshowthenewdesignmethodofphotoelectricdetectiontargetcanweakenmuzzle`sflameorlightdisturbanceandrecognizeprojectile`sinformation.