1、/0.2 /ppTrad s /0.3 /ssTrad s 0.2 prad0.3 srad11dB215dB11dB215dB/1.5spsp 120.10.11010.092101spklg/lg5.8846spspNkN 取110.121010.7032/Ncprad s 121221,2,.,6kjNkcsek 661( )()cakkHsss234561( )1 3.86377.46419.14167.46413.8637anHsssssss654320.1209( )2.7163.6913.1791.8250.1210.1209aancsHsHssssss( )aHs1( )Nka
2、kkAHsss11( )1kNks TkTAH zez1112120.2871 0.44662.1428 1.14541 0.12970.69491 1.06910.3699zzzzzz1121.85580.63041 0.99720.2570zzz变换成Butterworth数字滤波器：20.65 /2pptgrad sT 21.019 /2sstgrad sT 0.2 prad0.3 srad11dB215dB11dB215dB1Ts选/1.568spsp 120.10.11010.092101spklg/lg5.3066spspNkN 取210.121010.7662/Ncsrad s
3、121221,2,.,6kjNkcsek 661( )()cakkHsss234561( )1 3.86377.46419.14167.46413.8637anHsssssss2220.20240.3960.58711.0830.58711.4800.5871ssssss( )aancsHsH112 11( )( )azsTzH zHs121211(1 1.2680.7051) (1 1.0100.358)zzzz121(1 0.90440.2155)zz( )aHs0.20.320.65 /2pptgrad sT 21.019 /2sstgrad sT 0.2 prad0.3 srad11d
4、B215dB11dB215dB1Ts选0.65/cprad s 20.11111013.01414scchNNch 取10.11010.5088 sin(21)cos(21)22kccsakjbkNN 21114.17021110.36462NNa1111.06442NNb0.09070.63901,40.21890.26472,3jkjk220.04381(0.43780.1180)(0.18140.4166)ssss44311( )2()cakkHsss2340.2756( )0.27560.74261.45390.9528anHsssss( )aancsHsH220.04381(043780.1180)(0.18140.4166)ssss11dB或者：112 11( )( )azsTzH zHs1 412120.001836(1)(1 1.49960.8482) (1 1.55480.6493)zzzzz( )aHsp1s2/ppT /ssT (/2)ppc tg (/2)ssc tg 12、不变
