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学科：数字信号处理
时间：2023-05-08 05:20:05
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题目1单选题
x((n))10是以10为周期延拓的周期序列,试问x((-7))10与x((n))10的主值区间的哪个值是一样的A. <img src="https://tihai-oss-cloud.itihey.com/img/fe3feeceda1fae18d70de37d71c11770.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/d1c2627a956d4faef667e6ceb05c0aea.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/6c80c0b9ef570fb8a894d118f52ae583.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/300942f68b9fd31520b43d9b72cfcf1c.png">
题目2单选题
<img src="https://tihai-oss-cloud.itihey.com/img/108127e6e026721240ebe220358d5834.png">A. 因果、稳定系统B. 非因果、稳定系统C. 因果、非稳定系统D. 非因果、非稳定系统
题目3单选题
<img src="https://tihai-oss-cloud.itihey.com/img/851a8a211fbd1770e4c1ad0d5d7ced30.png">A. <img src="https://tihai-oss-cloud.itihey.com/img/5b139f3d5f0315b6ab5713969f0bc384.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/e6257318d81faf1c687fd7ebe4ba8c8b.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/cf1791eb0351e908457d699dbce80377.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/238f450317bc4f77cb205efdafa666e4.png">
题目4单选题
<img src="https://tihai-oss-cloud.itihey.com/img/6fa0c231329532496d9fc9b214580f29.png">A. 该滤波器具有线性相位B. <img src="https://tihai-oss-cloud.itihey.com/img/daed413e974bc1fd8e800f05ed14e0c6.png">C. 该滤波器是一个低通滤波器D. 该滤波器是稳定的
题目5单选题
<img src="https://tihai-oss-cloud.itihey.com/img/bbe09a268dab76faa7831bd690fea4f7.png">A. 1B. 2C. 3D. 4
题目6单选题
<img src="https://tihai-oss-cloud.itihey.com/img/fffc83a879a8a533de5a59781d5dae90.png">A. 线性移变系统B. 线性移不变系统C. 非线性移变系统D. 非线性移不变系统
题目7单选题
<img src="https://tihai-oss-cloud.itihey.com/img/ef7100bf09a73df6021b880b69b51b26.png">A. 存在B. 不存在
题目8单选题
<img src="https://tihai-oss-cloud.itihey.com/img/66ed7ce808790e8bfbdd6056464d8958.png">A. 因果、稳定系统B. 非因果、稳定系统C. 因果、非稳定系统D. 非因果、非稳定系统
题目9单选题
<img src="https://tihai-oss-cloud.itihey.com/img/8179faaa81e1c6136b0a41f8084f34b6.png">A. <img src="https://tihai-oss-cloud.itihey.com/img/267e6eeeac0efde4aae37bc0f45b93a1.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/756872554474a8540ef2dedd88ce536d.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/ec4a0ffb55c6f1688549aa970b278bee.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/452848ca9b25d43e5d132a0ef0505b9e.png">
题目10单选题
<img src="https://tihai-oss-cloud.itihey.com/img/7afbb295113f478a230cc169f0265582.png">A. 625HzB. 1250HzC. 2500HzD. 5000Hz
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