Z变换公式.docx

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1、序号拉氏变换E(S)时间函数e()Z变换E(Z)11t)I2c,ut-ii)ZF3SKO41S2/Jz(Z-D251St22!T%(z+D2(2-D36I5*?3!H(z2+4z+D6(3-D47s-(1T)1nd,士8s+CFNz-e-91tca,Tze-(s+a)2(z-e-)2IO1I，F-re娘2T2zctj7T2zc-2ij(s+)32(z-ea)2(2-er)311-e0,(1-e-,r)zS(S+a)(z-1)(z-cr)12s2(s+a)/-(1-e-,r)aTz(1-e-k)z(Z-D2(z-1)(z-e-r)131e-5Ie”(b-a)(c-a)(a-b)(c-b)e-“+

2、(-cX-c)Z+Z(b-a)(c-a)(z-e)(b)(c-b)(z-)Z(a-c)(b-c)(-cc)(s+aXs+bXs+c)14S+d(d-)C-%(d-h)JK(d-a)z(d-b)z(b-aXc-)(a-b)(c-b)+(-)e-rt(b-)(c-Xz-e-4,)(a-b)(c-b)(z-ct,)(d-c)z(s+a)(s+b)(s+c)(rt-c)(fr-c)w(a-c)(b-c)(2-e*r)15ObCI桃C_Q巴。-机(-Xe-a)(C-b)(a-b)曲CYzbccazz-1(b-a)(c-Xz-et,)(c-b)(a-b)(z-eb)abzs(s+a)(s+b)(s+c)(

3、a-c)(b-c)(-c)S-C)(ZYYr)16SinMzsiniyTz2-2zsT)-，丁+以z2-2zcos+118SinhMZSinhWf，广一arZ2-2zcoshT+119CoSh创2(z-coshwT)z2-2zcoshwT+1205U2-T+121e-i,sinTzet,rsinT(s+0)2+222-2x-arcosT+e2a22s+4C-arCoswTz2+zecosT(s+)2+2z2-2ze-tfrcos7+e2r23b-a(s+a)+(s+b)cr-c-h,ZZ2-e-arZe24$2(s+a)(s+b)abt+(+)-ca+-cifa-ba+babTz_(+b)z1r+(Z-I)2z-1(a-b)(z-ea)(a-bKz-eh)