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已知离散信号 的 z 变换为 ,其收敛域为 ,求其原序列。http://image.zhihuishu.com/zhs/onlineexam/ueditor/201903/ec368276ef7740628c0d86426523d30a.png

答案: http://image.zhihuishu.com/zhs/onlineexam/ueditor/201903/3e3...
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LTI离散系统的差分方程为,求系统函数;http://image.zhihuishu.com/zhs/onlineexam/ueditor/201903/eaf862da263747a5ac91ea2a24fe0bec.png

答案: http://image.zhihuishu.com/zhs/onlineexam/ueditor/201903/575...
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