Search results for "regularizacija"

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Analysis of spectral line shapes in low-temperature plasma by means of inverse ill-posed problem solution

2017

Promocijas darbs ir veltīts zemtemperatūras plazmas diagnostikas metodes attīstīšanai, augstfrekvences bezelektrodu lampām (ABL). Darbā tika izstrādāta jauna metode spektroskopisko datu apstrādei un reālo spektrāllīniju kontūru noteikšanai, risinot nekorekto apgriezto uzdevumu, kas balstās uz Tihonova regularizācijas algoritmu. Metode tika testēta aprēķinot patiesās profilu formas izmantojot eksperimentāli iegūtas Hg līnijās, emitētas no specialas formas mikro ABL. Tika pierādīts, ka aparatūras funkcijas neņemšana vērā zemtemperatūras plazmas gadījumā var ieviest lielu neprecizitāti, nosakot profilu formu un platumu un, sekojoši, ABL temperatūru. Tika analizēta arī atkarība no bufergāzes ve…

Teorētiskā fizikaTheoretical Physicsnekorektais apgrieztais uzdevumsspektrāllīnijas reālo profilu noteikšanaregularizacijaPhysicsdiagnostic of HFEDLsABL diagnostikaFizikarestoring the real profile of the spectral linesill posed inverse taskregularizaton

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