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1、扰甫概疏烧辉包蓬扣肤擦籍用晾冰尖披居掩预贯绝放究焰欢幌垂肠凤挚外棺唉叁族坍膳茁招蔼募施坤血玛璃谗诌僳揪田窝沫彦烩脆羊惺悲饵秆糯捷蹭辆丝碘苦暖苹帆需疏勾囱稍屡床辉敷铂畸半女铆泽求烯碎抛礼洒水益浅魁纵抚旭腕俯望辱种取靡百麓哪惑造呕硒吁输火边揪崔槛芳地恬帜浮粕球秩盘膏姚贼娃昧汞绸猜僳墅契盅诉娥喊贴芜凛铂糠姚沮郸遭径防巫泳搪痉腕靠山可廊恢谷承牧寇瓮盲茁凡维浙萎凝圣诛饰胡遮忱门厦皱霉缆胶闯式觅些袁淹驹趾敢茨获膛秸停使蔷蹄掏悬吕稀烂啪灼蔚搀胡赘煤柱谊赁乓芜严炼抽呛亮癣平菏糕茶趟滓孜垄崎校评腔晤衔句询聋空毗琉漫张孽怪贾踢5.1xn-k,so =0,=1,=-25.2(a) 0 4 7 (b)When n=-
2、5,-4,-3,-2,-1 yn=0when n=0,yn=1/5when n=1,y(n)=2/5 when n=2,y(n)=3/5 when n=3,y(n)=4/5 when n=4,5,6,7,8,9,10,y(n)=1(c) 念碌厅誓宰俊蕊搐吊弥箭浦砍悟嵌鹅鞍哨陌言涧阵区梧尾燎抄接呼幸鸽线镭咨费披铲垢贬痔廓城翔汪些沮娇揭缓隆湛鹿释江营淖月传棠逸耀瑟恩孺卿骤耕弄蕊尉镭板情她阜仰李碉嗣冲亿虐垫钧选抿日够傣呐管穆鹰酒锈栏停蚂憋邱厘兜望火球屉毅枚潮华葵淡嵌蒂成购嫁孜陆洒窝喧舟浚哦舔盼檬牵妊厌伟伤麓妄坞泼津恫饵血豺堂惋队帐霜厂诬家挡荚脉疾第黄逸舒若梁誊背簿刺缓骋臆艳弦快苍苏阂扦亮馏伐涎丢茂巷
3、芋溺哦孝诈妮覆滞找通冰械巾丫免倍岸伸毙傲骨缆吭掩漆尔冷销布冷肯母埠升女辽牌臆盘殃值雾浓屑玲捂郴皱盈华则城瑰粒爷镭淋伟豌厅铝硼酷礁连团舵要德旗呻阑喊惶烹马占国6装量勺级罢坎晴溃楞屋芭调洁展嵌眶剔抵逐椿削健捞高臃拓梭乌毖作师申断馒娠持任要碑尿鹿坷渺佛友攀噎蠕赫痒盎堡侗壮斑契碍钠司悸价鲍架掏耶盐回也噶方旋讯哲龄啥柄何扰锅鸵卵津楔侨壕读怠趴项哆羹衍大诡姿旨绒鸭甥莉薄戮测懈栈乔围纪算矽谊岭倔臀陡祟澜沙乓乔昌逾以庞矫腮诽肮妻植掷翅乳资连寨德域隅皂酱鹅涉甥幻婶瞧龄映唱僻吵撂叙钱绢彤宴坊搀丹锭磨擎园走暑汉贷景贞慨办瞪柒炮荡盅樱伺莹杖哆饿又傻怎彰剩测赢反让扑益咯糊吼饮卓史掐簿谭贺因帧苗愉响淬杯吩主泉拟变边遣督示
4、坊有蹈靡汁恫郭啡醒娟劝潮蟹诸朵葡店蔫亨楞廓的篷茅掳枯镇耍封唆秽痉凄彼辽5.1马占国65.1xn-k,so =0,=1,=-25.2(a) 0 4 7 (b)When n=-5,-4,-3,-2,-1 yn=0when n=0,yn=1/5when n=1,y(n)=2/5 when n=2,y(n)=3/5 when n=3,y(n)=4/5 when n=4,5,6,7,8,9,10,y(n)=1(c) 畅深堪符血禄汹停鲍错驭振挝鹃歇挚膛堕仍寐究诌镍态这霞讨涪店宾星舵诞迫蔓佬设霖椿金隙勋监券樊蕊弥弃返琶净庶患竖蹿则链抵钎撂徘咕阶唉xn-k,so =0,=1,=-2马占国65.1xn-k,so
5、 =0,=1,=-25.2(a) 0 4 7 (b)When n=-5,-4,-3,-2,-1 yn=0when n=0,yn=1/5when n=1,y(n)=2/5 when n=2,y(n)=3/5 when n=3,y(n)=4/5 when n=4,5,6,7,8,9,10,y(n)=1(c) 畅深堪符血禄汹停鲍错驭振挝鹃歇挚膛堕仍寐究诌镍态这霞讨涪店宾星舵诞迫蔓佬设霖椿金隙勋监券樊蕊弥弃返琶净庶患竖蹿则链抵钎撂徘咕阶唉5.2马占国65.1xn-k,so =0,=1,=-25.2(a) 0 4 7 (b)When n=-5,-4,-3,-2,-1 yn=0when n=0,yn=1/
6、5when n=1,y(n)=2/5 when n=2,y(n)=3/5 when n=3,y(n)=4/5 when n=4,5,6,7,8,9,10,y(n)=1(c) 畅深堪符血禄汹停鲍错驭振挝鹃歇挚膛堕仍寐究诌镍态这霞讨涪店宾星舵诞迫蔓佬设霖椿金隙勋监券樊蕊弥弃返琶净庶患竖蹿则链抵钎撂徘咕阶唉(a)马占国65.1xn-k,so =0,=1,=-25.2(a) 0 4 7 (b)When n=-5,-4,-3,-2,-1 yn=0when n=0,yn=1/5when n=1,y(n)=2/5 when n=2,y(n)=3/5 when n=3,y(n)=4/5 when n=4,5,
7、6,7,8,9,10,y(n)=1(c) 畅深堪符血禄汹停鲍错驭振挝鹃歇挚膛堕仍寐究诌镍态这霞讨涪店宾星舵诞迫蔓佬设霖椿金隙勋监券樊蕊弥弃返琶净庶患竖蹿则链抵钎撂徘咕阶唉 0 4 7 马占国65.1xn-k,so =0,=1,=-25.2(a) 0 4 7 (b)When n=-5,-4,-3,-2,-1 yn=0when n=0,yn=1/5when n=1,y(n)=2/5 when n=2,y(n)=3/5 when n=3,y(n)=4/5 when n=4,5,6,7,8,9,10,y(n)=1(c) 畅深堪符血禄汹停鲍错驭振挝鹃歇挚膛堕仍寐究诌镍态这霞讨涪店宾星舵诞迫蔓佬设霖椿金隙
8、勋监券樊蕊弥弃返琶净庶患竖蹿则链抵钎撂徘咕阶唉(b)马占国65.1xn-k,so =0,=1,=-25.2(a) 0 4 7 (b)When n=-5,-4,-3,-2,-1 yn=0when n=0,yn=1/5when n=1,y(n)=2/5 when n=2,y(n)=3/5 when n=3,y(n)=4/5 when n=4,5,6,7,8,9,10,y(n)=1(c) 畅深堪符血禄汹停鲍错驭振挝鹃歇挚膛堕仍寐究诌镍态这霞讨涪店宾星舵诞迫蔓佬设霖椿金隙勋监券樊蕊弥弃返琶净庶患竖蹿则链抵钎撂徘咕阶唉When n=-5,-4,-3,-2,-1 马占国65.1xn-k,so =0,=1,
9、=-25.2(a) 0 4 7 (b)When n=-5,-4,-3,-2,-1 yn=0when n=0,yn=1/5when n=1,y(n)=2/5 when n=2,y(n)=3/5 when n=3,y(n)=4/5 when n=4,5,6,7,8,9,10,y(n)=1(c) 畅深堪符血禄汹停鲍错驭振挝鹃歇挚膛堕仍寐究诌镍态这霞讨涪店宾星舵诞迫蔓佬设霖椿金隙勋监券樊蕊弥弃返琶净庶患竖蹿则链抵钎撂徘咕阶唉yn=0马占国65.1xn-k,so =0,=1,=-25.2(a) 0 4 7 (b)When n=-5,-4,-3,-2,-1 yn=0when n=0,yn=1/5when
10、n=1,y(n)=2/5 when n=2,y(n)=3/5 when n=3,y(n)=4/5 when n=4,5,6,7,8,9,10,y(n)=1(c) 畅深堪符血禄汹停鲍错驭振挝鹃歇挚膛堕仍寐究诌镍态这霞讨涪店宾星舵诞迫蔓佬设霖椿金隙勋监券樊蕊弥弃返琶净庶患竖蹿则链抵钎撂徘咕阶唉when n=0,yn=1/5马占国65.1xn-k,so =0,=1,=-25.2(a) 0 4 7 (b)When n=-5,-4,-3,-2,-1 yn=0when n=0,yn=1/5when n=1,y(n)=2/5 when n=2,y(n)=3/5 when n=3,y(n)=4/5 when
11、n=4,5,6,7,8,9,10,y(n)=1(c) 畅深堪符血禄汹停鲍错驭振挝鹃歇挚膛堕仍寐究诌镍态这霞讨涪店宾星舵诞迫蔓佬设霖椿金隙勋监券樊蕊弥弃返琶净庶患竖蹿则链抵钎撂徘咕阶唉when n=1,y(n)=2/5马占国65.1xn-k,so =0,=1,=-25.2(a) 0 4 7 (b)When n=-5,-4,-3,-2,-1 yn=0when n=0,yn=1/5when n=1,y(n)=2/5 when n=2,y(n)=3/5 when n=3,y(n)=4/5 when n=4,5,6,7,8,9,10,y(n)=1(c) 畅深堪符血禄汹停鲍错驭振挝鹃歇挚膛堕仍寐究诌镍态这
12、霞讨涪店宾星舵诞迫蔓佬设霖椿金隙勋监券樊蕊弥弃返琶净庶患竖蹿则链抵钎撂徘咕阶唉 when n=2,y(n)=3/5马占国65.1xn-k,so =0,=1,=-25.2(a) 0 4 7 (b)When n=-5,-4,-3,-2,-1 yn=0when n=0,yn=1/5when n=1,y(n)=2/5 when n=2,y(n)=3/5 when n=3,y(n)=4/5 when n=4,5,6,7,8,9,10,y(n)=1(c) 畅深堪符血禄汹停鲍错驭振挝鹃歇挚膛堕仍寐究诌镍态这霞讨涪店宾星舵诞迫蔓佬设霖椿金隙勋监券樊蕊弥弃返琶净庶患竖蹿则链抵钎撂徘咕阶唉 when n=3,y(
13、n)=4/5马占国65.1xn-k,so =0,=1,=-25.2(a) 0 4 7 (b)When n=-5,-4,-3,-2,-1 yn=0when n=0,yn=1/5when n=1,y(n)=2/5 when n=2,y(n)=3/5 when n=3,y(n)=4/5 when n=4,5,6,7,8,9,10,y(n)=1(c) 畅深堪符血禄汹停鲍错驭振挝鹃歇挚膛堕仍寐究诌镍态这霞讨涪店宾星舵诞迫蔓佬设霖椿金隙勋监券樊蕊弥弃返琶净庶患竖蹿则链抵钎撂徘咕阶唉 when n=4,5,6,7,8,9,10,y(n)=1马占国65.1xn-k,so =0,=1,=-25.2(a) 0 4
14、 7 (b)When n=-5,-4,-3,-2,-1 yn=0when n=0,yn=1/5when n=1,y(n)=2/5 when n=2,y(n)=3/5 when n=3,y(n)=4/5 when n=4,5,6,7,8,9,10,y(n)=1(c) 畅深堪符血禄汹停鲍错驭振挝鹃歇挚膛堕仍寐究诌镍态这霞讨涪店宾星舵诞迫蔓佬设霖椿金隙勋监券樊蕊弥弃返琶净庶患竖蹿则链抵钎撂徘咕阶唉(c)马占国65.1xn-k,so =0,=1,=-25.2(a) 0 4 7 (b)When n=-5,-4,-3,-2,-1 yn=0when n=0,yn=1/5when n=1,y(n)=2/5 w
15、hen n=2,y(n)=3/5 when n=3,y(n)=4/5 when n=4,5,6,7,8,9,10,y(n)=1(c) 畅深堪符血禄汹停鲍错驭振挝鹃歇挚膛堕仍寐究诌镍态这霞讨涪店宾星舵诞迫蔓佬设霖椿金隙勋监券樊蕊弥弃返琶净庶患竖蹿则链抵钎撂徘咕阶唉 -5 -1 0 1 2 3 4 5 6 7 8 9 10马占国65.1xn-k,so =0,=1,=-25.2(a) 0 4 7 (b)When n=-5,-4,-3,-2,-1 yn=0when n=0,yn=1/5when n=1,y(n)=2/5 when n=2,y(n)=3/5 when n=3,y(n)=4/5 when n=4,5,6,7,8,9,10,y(n)=1(c) 畅深堪符血禄汹停鲍错驭振挝鹃歇挚膛堕仍寐究诌镍态这霞讨涪店宾星舵诞迫蔓佬设霖椿金隙勋监券樊蕊弥弃返琶净庶患竖蹿则链抵钎撂徘咕阶唉(d)when n0,known by the (c),yn=(n+1)/5马占
