%對一個采樣頻率為45.5MHz的信號進行14倍的抽取濾波
%同時進行補償濾波器的設計，并給出CIC濾波器、補償濾波器和級聯后的頻譜圖
%??Design?a?minimum-order?CIC?compensator?that?compensates...
%??for?the?droop?in?the?passband?for?the?CIC?decimator.
Fs?=?45.5e6;?????%?Input?sampling?frequency
Fpass?=?0.5e6;???%?Frequency?band?of?interest
D?=?14;??????????%?Decimation?factor?of?CIC
d1?=?fdesign.decimator（D‘CIC‘1Fpass65Fs）;?%design?a?cic?filter?
Hcic?=?design（d1）;
Hd（1）?=?cascade（dfilt.scalar（1/gain（H