緒論單元測試數字化信息對我們生活有哪些影響？

A:數字化廚房

B:數字化校園

C:數字化圖書館

D:數字化社區

答案:ABCD第一章測試描述離散時間系統的數學模型是（）。

A:狀態方程

B:微分方程

C:差分方程

D:代數方程

答案:C已知離散時間LTI系統的激勵.w64852499023s.brush0{fill:rgb(255,255,255);}.w64852499023s.pen0{stroke:rgb(0,0,0);stroke-width:1;stroke-linejoin:round;}.w64852499023s.font0{font-size:406px;font-family:“TimesNewRoman”,serif;}.w64852499023s.font1{font-style:italic;font-size:406px;font-family:“TimesNewRoman”,serif;}.w64852499023s.font2{font-size:373px;font-family:Symbol,serif;}.w64852499023s.font3{font-weight:bold;font-size:76px;font-family:System,sans-serif;})()(nnunx=，單位脈沖響應.w64852499093s.brush0{fill:rgb(255,255,255);}.w64852499093s.pen0{stroke:rgb(0,0,0);stroke-width:1;stroke-linejoin:round;}.w64852499093s.font0{font-size:406px;font-family:“TimesNewRoman”,serif;}.w64852499093s.font1{font-size:373px;font-family:Symbol,serif;}.w64852499093s.font2{font-style:italic;font-size:406px;font-family:“TimesNewRoman”,serif;}.w64852499093s.font3{font-style:italic;font-size:373px;font-family:Symbol,serif;}.w64852499093s.font4{font-weight:bold;font-size:76px;font-family:System,sans-serif;})2()(-=nnhd則系統的零狀態響應為（）。

A:.w64852499059s.brush0{fill:rgb(255,255,255);}.w64852499059s.pen0{stroke:rgb(0,0,0);stroke-width:1;stroke-linejoin:round;}.w64852499059s.font0{font-size:406px;font-family:“TimesNewRoman”,serif;}.w64852499059s.font1{font-size:373px;font-family:Symbol,serif;}.w64852499059s.font2{font-style:italic;font-size:406px;font-family:“TimesNewRoman”,serif;}.w64852499059s.font3{font-weight:bold;font-size:76px;font-family:System,sans-serif;})2(-nnu

B:.w64852499040s.brush0{fill:rgb(255,255,255);}.w64852499040s.pen0{stroke:rgb(0,0,0);stroke-width:1;stroke-linejoin:round;}.w64852499040s.font0{font-size:406px;font-family:“TimesNewRoman”,serif;}.w64852499040s.font1{font-size:373px;font-family:Symbol,serif;}.w64852499040s.font2{font-style:italic;font-size:406px;font-family:“TimesNewRoman”,serif;}.w64852499040s.font3{font-style:italic;font-size:373px;font-family:Symbol,serif;}.w64852499040s.font4{font-weight:bold;font-size:76px;font-family:System,sans-serif;})2()2(--nnd

C:.w64852499075s.brush0{fill:rgb(255,255,255);}.w64852499075s.pen0{stroke:rgb(0,0,0);stroke-width:1;stroke-linejoin:round;}.w64852499075s.font0{font-size:406px;font-family:“TimesNewRoman”,serif;}.w64852499075s.font1{font-size:373px;font-family:Symbol,serif;}.w64852499075s.font2{font-style:italic;font-size:406px;font-family:“TimesNewRoman”,serif;}.w64852499075s.font3{font-weight:bold;font-size:76px;font-family:System,sans-serif;})2()2(--nun

D:.w64852499049s.brush0{fill:rgb(255,255,255);}.w64852499049s.pen0{stroke:rgb(0,0,0);stroke-width:1;stroke-linejoin:round;}.w64852499049s.font0{font-size:406px;font-family:“TimesNewRoman”,serif;}.w64852499049s.font1{font-style:italic;font-size:406px;font-family:“TimesNewRoman”,serif;}.w64852499049s.font2{font-size:373px;font-family:Symbol,serif;}.w64852499049s.font3{font-weight:bold;font-size:76px;font-family:System,sans-serif;})()2(nun-

答案:C兩個離散時間線性時不變系統的單位脈沖響應分別為.w64852499027s.brush0{fill:rgb(255,255,255);}.w64852499027s.pen0{stroke:rgb(0,0,0);stroke-width:1;stroke-linejoin:round;}.w64852499027s.font0{font-size:406px;font-family:“TimesNewRoman”,serif;}.w64852499027s.font1{font-size:262px;font-family:“TimesNewRoman”,serif;}.w64852499027s.font2{font-style:italic;font-size:406px;font-family:“TimesNewRoman”,serif;}.w64852499027s.font3{font-weight:bold;font-size:76px;font-family:System,sans-serif;})(1nh和.w64852499097s.brush0{fill:rgb(255,255,255);}.w64852499097s.pen0{stroke:rgb(0,0,0);stroke-width:1;stroke-linejoin:round;}.w64852499097s.font0{font-size:406px;font-family:“TimesNewRoman”,serif;}.w64852499097s.font1{font-size:262px;font-family:“TimesNewRoman”,serif;}.w64852499097s.font2{font-style:italic;font-size:406px;font-family:“TimesNewRoman”,serif;}.w64852499097s.font3{font-weight:bold;font-size:76px;font-family:System,sans-serif;})(2nh，當這兩個系統級聯時，其級聯后系統的單位脈沖響應.w64852499079s.brush0{fill:rgb(255,255,255);}.w64852499079s.pen0{stroke:rgb(0,0,0);stroke-width:1;stroke-linejoin:round;}.w64852499079s.font0{font-size:406px;font-family:“TimesNewRoman”,serif;}.w64852499079s.font1{font-style:italic;font-size:406px;font-family:“TimesNewRoman”,serif;}.w64852499079s.font2{font-weight:bold;font-size:76px;font-family:System,sans-serif;})(nh為（）。

A:.w64852499062s.brush0{fill:rgb(255,255,255);}.w64852499062s.pen0{stroke:rgb(0,0,0);stroke-width:1;stroke-linejoin:round;}.w64852499062s.font0{font-size:406px;font-family:“TimesNewRoman”,serif;}.w64852499062s.font1{font-size:262px;font-family:“TimesNewRoman”,serif;}.w64852499062s.font2{font-style:italic;font-size:406px;font-family:“TimesNewRoman”,serif;}.w64852499062s.font3{font-size:373px;font-family:Symbol,serif;}.w64852499062s.font4{font-weight:bold;font-size:76px;font-family:System,sans-serif;})()(21nhnh×

B:.w64852499021s.brush0{fill:rgb(255,255,255);}.w64852499021s.pen0{stroke:rgb(0,0,0);stroke-width:1;stroke-linejoin:round;}.w64852499021s.font0{font-size:406px;font-family:“TimesNewRoman”,serif;}.w64852499021s.font1{font-size:262px;font-family:“TimesNewRoman”,serif;}.w64852499021s.font2{font-style:italic;font-size:406px;font-family:“TimesNewRoman”,serif;}.w64852499021s.font3{font-size:373px;font-family:Symbol,serif;}.w64852499021s.font4{font-weight:bold;font-size:76px;font-family:System,sans-serif;})()(21nhnh*

C:.w64852499036s.brush0{fill:rgb(255,255,255);}.w64852499036s.pen0{stroke:rgb(0,0,0);stroke-width:1;stroke-linejoin:round;}.w64852499036s.font0{font-size:406px;font-family:“TimesNewRoman”,serif;}.w64852499036s.font1{font-size:262px;font-family:“TimesNewRoman”,serif;}.w64852499036s.font2{font-style:italic;font-size:406px;font-family:“TimesNewRoman”,serif;}.w64852499036s.font3{font-size:373px;font-family:Symbol,serif;}.w64852499036s.font4{font-weight:bold;font-size:76px;font-family:System,sans-serif;})()(21nhnh+

D:.w64852499090s.brush0{fill:rgb(255,255,255);}.w64852499090s.pen0{stroke:rgb(0,0,0);stroke-width:1;stroke-linejoin:round;}.w64852499090s.font0{font-size:406px;font-family:“TimesNewRoman”,serif;}.w64852499090s.font1{font-size:262px;font-family:“TimesNewRoman”,serif;}.w64852499090s.font2{font-style:italic;font-size:406px;font-family:“TimesNewRoman”,serif;}.w64852499090s.font3{font-size:373px;font-family:Symbol,serif;}.w64852499090s.font4{font-weight:bold;font-size:76px;font-family:System,sans-serif;})()(21nhnh-

答案:B關于差分方程，不正確的是（）。

A:通過差分方程可以求出系統的系統函數.w64852499072s.brush0{fill:rgb(255,255,255);}.w64852499072s.pen0{stroke:rgb(0,0,0);stroke-width:1;stroke-linejoin:round;}.w64852499072s.font0{font-size:406px;font-family:“TimesNewRoman”,serif;}.w64852499072s.font1{font-style:italic;font-size:406px;font-family:“TimesNewRoman”,serif;}.w64852499072s.font2{font-weight:bold;font-size:76px;font-family:System,sans-serif;})(zH

B:常用來描述連續時間系統

C:一般形式是：.w64852499057s.brush0{fill:rgb(255,255,255);}.w64852499057s.pen0{stroke:rgb(0,0,0);stroke-width:1;stroke-linejoin:round;}.w64852499057s.font0{font-size:530px;font-family:Symbol,serif;}.w64852499057s.font1{font-size:242px;font-family:Symbol,serif;}.w64852499057s.font2{font-size:373px;font-family:Symbol,serif;}.w64852499057s.font3{font-style:italic;font-size:262px;font-family:“TimesNewRoman”,serif;}.w64852499057s.font4{font-style:italic;font-size:406px;font-family:“TimesNewRoman”,serif;}.w64852499057s.font5{font-size:262px;font-family:“TimesNewRoman”,serif;}.w64852499057s.font6{font-size:406px;font-family:“TimesNewRoman”,serif;}.w64852499057s.font7{font-weight:bold;font-size:76px;font-family:System,sans-serif;}??==-=-NiMmmimnxbinya10)()(

D:常用來描述離散時間系統

答案:B長度為.w64852499047s.brush0{fill:rgb(255,255,255);}.w64852499047s.pen0{stroke:rgb(0,0,0);stroke-width:1;stroke-linejoin:round;}.w64852499047s.font0{font-style:italic;font-size:406px;font-family:“TimesNewRoman”,serif;}.w64852499047s.font1{font-weight:bold;font-size:76px;font-family:System,sans-serif;}M的序列.w64852499038s.brush0{fill:rgb(255,255,255);}.w64852499038s.pen0{stroke:rgb(0,0,0);stroke-width:1;stroke-linejoin:round;}.w64852499038s.font0{font-size:406px;font-family:“TimesNewRoman”,serif;}.w64852499038s.font1{font-size:262px;font-family:“TimesNewRoman”,serif;}.w64852499038s.font2{font-style:italic;font-size:406px;font-family:“TimesNewRoman”,serif;}.w64852499038s.font3{font-weight:bold;font-size:76px;font-family:System,sans-serif;})(1nx與長度為.w64852499024s.brush0{fill:rgb(255,255,255);}.w64852499024s.pen0{stroke:rgb(0,0,0);stroke-width:1;stroke-linejoin:round;}.w64852499024s.font0{font-style:italic;font-size:406px;font-family:“TimesNewRoman”,serif;}.w64852499024s.font1{font-weight:bold;font-size:76px;font-family:System,sans-serif;}N的序列.w64852499094s.brush0{fill:rgb(255,255,255);}.w64852499094s.pen0{stroke:rgb(0,0,0);stroke-width:1;stroke-linejoin:round;}.w64852499094s.font0{font-size:406px;font-family:“TimesNewRoman”,serif;}.w64852499094s.font1{font-size:262px;font-family:“TimesNewRoman”,serif;}.w64852499094s.font2{font-style:italic;font-size:406px;font-family:“TimesNewRoman”,serif;}.w64852499094s.font3{font-weight:bold;font-size:76px;font-family:System,sans-serif;})(2nx的卷積和.w64852499076s.brush0{fill:rgb(255,255,255);}.w64852499076s.pen0{stroke:rgb(0,0,0);stroke-width:1;stroke-linejoin:round;}.w64852499076s.font0{font-size:406px;font-family:“TimesNewRoman”,serif;}.w64852499076s.font1{font-size:262px;font-family:“TimesNewRoman”,serif;}.w64852499076s.font2{font-style:italic;font-size:406px;font-family:“TimesNewRoman”,serif;}.w64852499076s.font3{font-weight:bold;font-size:76px;font-family:System,sans-serif;})(*)(21nxnx的序列的長度為（）。

A:.w64852499017s.brush0{fill:rgb(255,255,255);}.w64852499017s.pen0{stroke:rgb(0,0,0);stroke-width:1;stroke-linejoin:round;}.w64852499017s.font0{font-style:italic;font-size:406px;font-family:“TimesNewRoman”,serif;}.w64852499017s.font1{font-weight:bold;font-size:76px;font-family:System,sans-serif;}N

B:.w64852499086s.brush0{fill:rgb(255,255,255);}.w64852499086s.pen0{stroke:rgb(0,0,0);stroke-width:1;stroke-linejoin:round;}.w64852499086s.font0{font-style:italic;font-size:406px;font-family:“TimesNewRoman”,serif;}.w64852499086s.font1{font-size:373px;font-family:Symbol,serif;}.w64852499086s.font2{font-weight:bold;font-size:76px;font-family:System,sans-serif;}NM+

C:.w64852499033s.brush0{fill:rgb(255,255,255);}.w64852499033s.pen0{stroke:rgb(0,0,0);stroke-width:1;stroke-linejoin:round;}.w64852499033s.font0{font-style:italic;font-size:406px;font-family:“TimesNewRoman”,serif;}.w64852499033s.font1{font-weight:bold;font-size:76px;font-family:System,sans-serif;}M

D:.w64852499069s.brush0{fill:rgb(255,255,255);}.w64852499069s.pen0{stroke:rgb(0,0,0);stroke-width:1;stroke-linejoin:round;}.w64852499069s.font0{font-size:406px;font-family:“TimesNewRoman”,serif;}.w64852499069s.font1{font-size:373px;font-family:Symbol,serif;}.w64852499069s.font2{font-style:italic;font-size:406px;font-family:“TimesNewRoman”,serif;}.w64852499069s.font3{font-weight:bold;font-size:76px;font-family:System,sans-serif;}1-+NM

答案:D離散時間序列.w64852499054s.brush0{fill:rgb(255,255,255);}.w64852499054s.pen0{stroke:rgb(0,0,0);stroke-width:1;stroke-linejoin:round;}.w64852499054s.font0{font-size:470px;font-family:Symbol,serif;}.w64852499054s.pen1{stroke:rgb(0,0,0);stroke-width:19;stroke-linejoin:round;}.w64852499054s.font1{font-size:406px;font-family:“TimesNewRoman”,serif;}.w64852499054s.font2{font-size:406px;font-family:“TimesNewRoman”,serif;}.w64852499054s.font3{font-style:italic;font-size:406px;font-family:“TimesNewRoman”,serif;}.w64852499054s.font4{font-size:373px;font-family:Symbol,serif;}.w64852499054s.font5{font-weight:bold;font-size:76px;font-family:System,sans-serif;}()ππsincos53xnAnBn=+是周期信號，其周期.w64852499045s.brush0{fill:rgb(255,255,255);}.w64852499045s.pen0{stroke:rgb(0,0,0);stroke-width:1;stroke-linejoin:round;}.w64852499045s.font0{font-size:406px;font-family:“TimesNewRoman”,serif;}.w64852499045s.font1{font-style:italic;font-size:406px;font-family:“TimesNewRoman”,serif;}.w64852499045s.font2{font-size:373px;font-family:Symbol,serif;}.w64852499045s.font3{font-weight:bold;font-size:76px;font-family:System,sans-serif;}30N=。（）

A:對

B:錯

答案:A設線性時不變系統輸入信號為.w64852499035s.brush0{fill:rgb(255,255,255);}.w64852499035s.pen0{stroke:rgb(0,0,0);stroke-width:1;stroke-linejoin:round;}.w64852499035s.font0{font-size:470px;font-family:Symbol,serif;}.w64852499035s.font1{font-style:italic;font-size:406px;font-family:“TimesNewRoman”,serif;}.w64852499035s.font2{font-weight:bold;font-size:76px;font-family:System,sans-serif;}()xn，該系統的單位脈沖響應為.w64852499019s.brush0{fill:rgb(255,255,255);}.w64852499019s.pen0{stroke:rgb(0,0,0);stroke-width:1;stroke-linejoin:round;}.w64852499019s.font0{font-size:470px;font-family:Symbol,serif;}.w64852499019s.font1{font-style:italic;font-size:406px;font-family:“TimesNewRoman”,serif;}.w64852499019s.font2{font-weight:bold;font-size:76px;font-family:System,sans-serif;}()hn，則系統的輸出.w64852499089s.brush0{fill:rgb(255,255,255);}.w64852499089s.pen0{stroke:rgb(0,0,0);stroke-width:1;stroke-linejoin:round;}.w64852499089s.font0{font-size:470px;font-family:Symbol,serif;}.w64852499089s.font1{font-style:italic;font-size:406px;font-family:“TimesNewRoman”,serif;}.w64852499089s.font2{font-size:373px;font-family:Symbol,serif;}.w64852499089s.font3{font-weight:bold;font-size:76px;font-family:System,sans-serif;}()()()ynxnhn=*。（）

A:錯

B:對

答案:B系統.w64852499071s.brush0{fill:rgb(255,255,255);}.w64852499071s.pen0{stroke:rgb(0,0,0);stroke-width:1;stroke-linejoin:round;}.w64852499071s.font0{font-size:441px;font-family:Symbol,serif;}.w64852499071s.font1{font-size:377px;font-family:“TimesNewRoman”,serif;}.w64852499071s.font2{font-style:italic;font-size:377px;font-family:“TimesNewRoman”,serif;}.w64852499071s.font3{font-size:347px;font-family:Symbol,serif;}.w64852499071s.font4{font-weight:bold;font-size:76px;font-family:System,sans-serif;}()()2ynxn=不是時不變系統。（）

A:對

B:錯

答案:B常系數差分方程表示的系統必為線性時不變系統。（）

A:對

B:錯

答案:B對于離散時間LTI系統，若當n<0時，h(n)=0，則該系統必是因果系統。（）

A:錯

B:對

答案:B第二章測試以.w64852499031s.brush0{fill:rgb(255,255,255);}.w64852499031s.pen0{stroke:rgb(0,0,0);stroke-width:1;stroke-linejoin:round;}.w64852499031s.font0{font-style:italic;font-size:363px;font-family:“TimesNewRoman”,serif;}.w64852499031s.font1{font-weight:bold;font-size:76px;font-family:System,sans-serif;}N為周期的周期序列的離散傅立葉級數是（）。

A:離散的，以.w64852499083s.brush0{fill:rgb(255,255,255);}.w64852499083s.pen0{stroke:rgb(0,0,0);stroke-width:1;stroke-linejoin:round;}.w64852499083s.font0{font-style:italic;font-size:363px;font-family:“TimesNewRoman”,serif;}.w64852499083s.font1{font-weight:bold;font-size:76px;font-family:System,sans-serif;}N為周期的

B:連續的，非周期的

C:離散的，非周期的

D:連續的，以.w64852499013s.brush0{fill:rgb(255,255,255);}.w64852499013s.pen0{stroke:rgb(0,0,0);stroke-width:1;stroke-linejoin:round;}.w64852499013s.font0{font-style:italic;font-size:363px;font-family:“TimesNewRoman”,serif;}.w64852499013s.font1{font-weight:bold;font-size:76px;font-family:System,sans-serif;}N為周期的

答案:A已知序列的.w64852499066s.brush0{fill:rgb(255,255,255);}.w64852499066s.pen0{stroke:rgb(0,0,0);stroke-width:1;stroke-linejoin:round;}.w64852499066s.font0{font-style:italic;font-size:363px;font-family:“TimesNewRoman”,serif;}.w64852499066s.font1{font-weight:bold;font-size:76px;font-family:System,sans-serif;}z變換收斂域為.w64852499052s.brush0{fill:rgb(255,255,255);}.w64852499052s.pen0{stroke:rgb(0,0,0);stroke-width:1;stroke-linejoin:round;}.w64852499052s.pen1{stroke:rgb(0,0,0);stroke-width:16;stroke-linejoin:round;}.w64852499052s.font0{font-size:363px;font-family:“TimesNewRoman”,serif;}.w64852499052s.font1{font-style:italic;font-size:363px;font-family:“TimesNewRoman”,serif;}.w64852499052s.font2{font-size:334px;font-family:Symbol,serif;}.w64852499052s.font3{font-weight:bold;font-size:76px;font-family:System,sans-serif;}12z<<，則該序列為（）。

A:無限長序列

B:左邊序列

C:右邊序列

D:有限長序列

答案:A實序列的傅立葉變換必是（）。

A:偶函數

B:共軛反對稱函數

C:共軛對稱函數

D:奇函數

答案:C已知因果系統.w64852499043s.brush0{fill:rgb(255,255,255);}.w64852499043s.pen0{stroke:rgb(0,0,0);stroke-width:1;stroke-linejoin:round;}.w64852499043s.font0{font-size:470px;font-family:Symbol,serif;}.w64852499043s.pen1{stroke:rgb(0,0,0);stroke-width:19;stroke-linejoin:round;}.w64852499043s.font1{font-size:260px;font-family:“TimesNewRoman”,serif;}.w64852499043s.font2{font-size:406px;font-family:“TimesNewRoman”,serif;}.w64852499043s.font3{font-style:italic;font-size:406px;font-family:“TimesNewRoman”,serif;}.w64852499043s.font4{font-size:241px;font-family:Symbol,serif;}.w64852499043s.font5{font-size:373px;font-family:Symbol,serif;}.w64852499043s.font6{font-weight:bold;font-size:76px;font-family:System,sans-serif;}()1110.2Hzz-=-，則其單位脈沖響應及其收斂域應為（）。

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B:.w64852499085s.brush0{fill:rgb(255,255,255);}.w64852499085s.pen0{stroke:rgb(0,0,0);stroke-width:1;stroke-linejoin:round;}.w64852499085s.font0{font-size:470px;font-family:Symbol,serif;}.w64852499085s.font1{font-size:406px;font-family:“TimesNewRoman”,serif;}.w64852499085s.font2{font-style:italic;font-size:260px;font-family:“TimesNewRoman”,serif;}.w64852499085s.font3{font-style:italic;font-size:406px;font-family:“TimesNewRoman”,serif;}.w64852499085s.font4{font-size:373px;font-family:Symbol,serif;}.w64852499085s.font5{font-weight:bold;font-size:76px;font-family:System,sans-serif;}()51nun—,.w64852499068s.brush0{fill:rgb(255,255,255);}.w64852499068s.pen0{stroke:rgb(0,0,0);stroke-width:1;stroke-linejoin:round;}.w64852499068s.pen1{stroke:rgb(0,0,0);stroke-width:19;stroke-linejoin:round;}.w64852499068s.font0{font-style:italic;font-size:406px;font-family:“TimesNewRoman”,serif;}.w64852499068s.font1{font-size:373px;font-family:Symbol,serif;}.w64852499068s.font2{font-weight:bold;font-size:76px;font-family:System,sans-serif;}z<5

C:.w64852499081s.brush0{fill:rgb(255,255,255);}.w64852499081s.pen0{stroke:rgb(0,0,0);stroke-width:1;stroke-linejoin:round;}.w64852499081s.font0{font-size:470px;font-family:Symbol,serif;}.w64852499081s.font1{font-size:406px;font-family:“TimesNewRoman”,serif;}.w64852499081s.font2{font-style:italic;font-size:260px;font-family:“TimesNewRoman”,serif;}.w64852499081s.font3{font-style:italic;font-size:406px;font-family:“TimesNewRoman”,serif;}.w64852499081s.font4{font-size:373px;font-family:Symbol,serif;}.w64852499081s.font5{font-weight:bold;font-size:76px;font-family:System,sans-serif;}()0.21nun—,.w64852499064s.brush0{fill:rgb(255,255,255);}.w64852499064s.pen0{stroke:rgb(0,0,0);stroke-width:1;stroke-linejoin:round;}.w64852499064s.pen1{stroke:rgb(0,0,0);stroke-width:19;stroke-linejoin:round;}.w64852499064s.font0{font-size:406px;font-family:“TimesNewRoman”,serif;}.w64852499064s.font1{font-style:italic;font-size:406px;font-family:“TimesNewRoman”,serif;}.w64852499064s.font2{font-size:373px;font-family:Symbol,serif;}.w64852499064s.font3{font-weight:bold;font-size:76px;font-family:System,sans-serif;}0.2z”x=“452”y=“416”>>

D:.w64852499032s.brush0{fill:rgb(255,255,255);}.w64852499032s.pen0{stroke:rgb(0,0,0);stroke-width:1;stroke-linejoin:round;}.w64852499032s.font0{font-size:470px;font-family:Symbol,serif;}.w64852499032s.font1{font-size:406px;font-family:“TimesNewRoman”,serif;}.w64852499032s.font2{font-style:italic;font-size:260px;font-family:“TimesNewRoman”,serif;}.w64852499032s.font3{font-style:italic;font-size:406px;font-family:“TimesNewRoman”,serif;}.w64852499032s.font4{font-weight:bold;font-size:76px;font-family:System,sans-serif;}()0.2nun，.w64852499015s.brush0{fill:rgb(255,255,255);}.w64852499015s.pen0{stroke:rgb(0,0,0);stroke-width:1;stroke-linejoin:round;}.w64852499015s.pen1{stroke:rgb(0,0,0);stroke-width:19;stroke-linejoin:round;}.w64852499015s.font0{font-size:406px;font-family:“TimesNewRoman”,serif;}.w64852499015s.font1{font-style:italic;font-size:406px;font-family:“TimesNewRoman”,serif;}.w64852499015s.font2{font-size:373px;font-family:Symbol,serif;}.w64852499015s.font3{font-weight:bold;font-size:76px;font-family:System,sans-serif;}0.2z”x=“452”y=“416”>>

答案:D序列.w64852499051s.brush0{fill:rgb(255,255,255);}.w64852499051s.pen0{stroke:rgb(0,0,0);stroke-width:1;stroke-linejoin:round;}.w64852499051s.font0{font-size:441px;font-family:Symbol,serif;}.w64852499051s.font1{font-size:377px;font-family:“TimesNewRoman”,serif;}.w64852499051s.font2{font-style:italic;font-size:231px;font-family:“TimesNewRoman”,serif;}.w64852499051s.font3{font-style:italic;font-size:377px;font-family:“TimesNewRoman”,serif;}.w64852499051s.font4{font-size:215px;font-family:Symbol,serif;}.w64852499051s.font5{font-size:347px;font-family:Symbol,serif;}.w64852499051s.font6{font-weight:bold;font-size:76px;font-family:System,sans-serif;}()()2nxnun-=，其z變換.w64852499042s.brush0{fill:rgb(255,255,255);}.w64852499042s.pen0{stroke:rgb(0,0,0);stroke-width:1;stroke-linejoin:round;}.w64852499042s.font0{font-size:406px;font-family:“TimesNewRoman”,serif;}.w64852499042s.font1{font-style:italic;font-size:406px;font-family:“TimesNewRoman”,serif;}.w64852499042s.font2{font-weight:bold;font-size:76px;font-family:System,sans-serif;})(zX及其收斂域為（）。

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