fizikis kursi

fizikis kursi fizikis kursi

01.03.2013 Views

inerciuli m masa, romelic axasiaTebs sxeulis reaqcias gare Zalaze. Tu v

4. rxevebi da talRebi. 4.1. rxeva. harmoniuli rxevebi rxeva ewodeba iseT moZraobas an process, romelic zustad an raime miaxloebiT meordeba drois erTsa da imave SualedSi. fizikuri procesebis xasiaTis mixedviT ansxvaveben meqanikur da eleqtromagnitur rxevebs da maT kombinaciebs. droze damokidebulebiT ansxvaveben periodul (nax. 30 a,b,g) da araperiodul rxevebs (nax. 30 d) periodulobis pirobaa: nax. 30 x ( t + T) = x( t) ) sadac T - rxevis periodia, x − droSi cvladi fizikuri sidide. perioduli rxevis mniSvnelovani saxea harmoniuli (sinosoidaluri) rxevebi (nax. 30 a). merxevi sistemis mixedviT arCeven martiv (erTi Tavisuflebis xarisxiT), Tavmoyrili parametrebiT (Tavisuflebis xarisxis sasrulo raodenobiT) da ganawilebuli parametrebiT, romelTac gaaCniaT sakuTari sixSireebis usasrulo raodenoba. periodul rxevebs, romlis drosac merxevi sidide icvleba sinusis an kosinusis kanoniT, harmoniuli rxevebi ewodeba (nax. 31). x = A ω t + ϕ), an x = A ω t + ϕ) cos( 0 nax. 31. sin( 0 58

4. rxevebi da talRebi.<br />

4.1. rxeva. harmoniuli rxevebi<br />

rxeva ewodeba iseT moZraobas an process, romelic zustad an<br />

raime miaxloebiT meordeba drois erTsa da imave SualedSi. fizikuri<br />

procesebis xasiaTis mixedviT ansxvaveben meqanikur da eleqtromagnitur<br />

rxevebs da maT kombinaciebs. droze damokidebulebiT ansxvaveben<br />

periodul (nax. 30 a,b,g) da araperiodul rxevebs (nax. 30 d)<br />

periodulobis pirobaa:<br />

nax. 30<br />

x ( t + T)<br />

= x(<br />

t)<br />

)<br />

sadac T - rxevis periodia, x − droSi cvladi fizikuri sidide.<br />

perioduli rxevis mniSvnelovani saxea harmoniuli (sinosoidaluri)<br />

rxevebi (nax. 30 a). merxevi sistemis mixedviT arCeven martiv (erTi<br />

Tavisuflebis xarisxiT), Tavmoyrili parametrebiT (Tavisuflebis<br />

xarisxis sasrulo raodenobiT) da ganawilebuli parametrebiT,<br />

romelTac gaaCniaT sakuTari sixSireebis usasrulo raodenoba.<br />

periodul rxevebs, romlis drosac merxevi sidide icvleba sinusis<br />

an kosinusis kanoniT, harmoniuli rxevebi ewodeba (nax. 31).<br />

x = A ω t + ϕ),<br />

an x = A ω t + ϕ)<br />

cos( 0<br />

nax. 31.<br />

sin( 0<br />

58

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