
rusinte samavaakyam

aantinayude kramarahithamaya uparithala pishakukalude root meane squareumaayi (rms) oru aantinayude nettavumaayi bandhapetta oru samavaakyamaan ruses samavaakyam. eee samavaakyam aadyam parabolic reflector aantinakalkkaayi vikasippicheduthaanu, pinneedu ghattam ghattamaayulla arekalilekku vyapippichu. 1952ll thaan ezhuthiya oru prabandhatthil samavaakyam avatharippicha joonn rooseyude perilaanu samavaakyam ariyappedunnathu. aantinayude nettam rms uparithala pishakukalude squarinte exponentialinu vipareeta anupaathathilaanennu samavaakyam prasthaavikkunnu. ganithashaasthraparamaayi, parabolic reflector aantinakalkulla samavaakyam ingane prakadippikkaam
soothravaakyam _ 1
ivide formula _ 2 ennathu reflectorinte uparithala rms pishakukalaan, formula _ 3 ennathu tharamgadairkhyamaanu, koodaathe formula _ 4 ennathu uparithala pishakukalude abhaavathil aantinayude nettamaanu.
samavaakyam palappozhum desibelukalil ingane prakadippikkunnu
formula _ 5 (db)
ivide-685.81 coffificient ennathu <math> 10\log _ {10} \left (e)-nte samkhyaa moolyamaanu.^

