定义回路的空载品质因数: 1=00- R0=0.CR- C OcI L 1808 则回路的阻抗特性 R R 2△a +i(oc )1+jR20C( °)1+j 户科学与工学 令 )=2 2Q 犬为广义失谐,回路谐振时5=0 R 2△f 1+jQ0 1.1.1定义回路的空载品质因数: 0 0 0 0 0 0 0 0 0 0 0 1 1 e e e e L R C Q CR Cr r L Lg g = = = = = = 则回路的阻抗特性 0 0 0 0 0 0 1 1 1 2 ( ) 1 1 ( ) e eo p e o e R R Z j C jQ jR C R L = = = + − + + − 令 0 0 0 ( ) 2 2 o o o o f Q Q Q f = − = = 为广义失谐,回路谐振时 = 0 ∴ 0 1 2 1 eo eo p o R R Z j f jQ f = = + + 1.1.1