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电路原理_skja_17

电路原理_skja_17

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正正正正正正正正正正正 正正正正正正正正正正正 正正正正正正正正正正正 正正正正正正正正正正正 正正正正正正正正正正 正正正正正正正正正正 正正正正正正正正 正正正正正正正正 正正正正正正正正正正正正 正正正正正正正正正正正正
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正正正正正正正正正正正正正正正正正正正正正 正正正正正 i ( t )= I m sin( ϖ t + ψ ) I m , ϖ , ψ —— 正正正正 正正正 正正 ϖ t i 0 ψ 正正正正正正 正正正正正正正正 正正正正正正正正
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(1) 正正 ( 正正正 正正正 ) I m T f T f π π ϖ 2 2 1 : = = = 正正 正正正正 正正正 正正正正正正正正正正正正正 =d( ϖ t+ ψ )/d t 正正正正正正正正正正 正正正 rad/s 正正正 / 正 正正 T : 正正正正正正正正正正正正正正正 s. 正正 f : 正正正正正正正正正正正正正正 Hz( 正正 ) 正 ϖ t i 0 ψ ϖ T =2 π i ( t )= I m sin( ϖ t + ψ ) 1. 正正正正正正正
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(3) 正正正  正正正正正正 t = 0
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