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时间:2017-05-17
《信号分析与处理 赵光宙 第二版 (赵光宙 著) 机械工业出版社 课后答案》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、课后答案网:www.hackshp.cn课后答案网您最真诚的朋友www.hackshp.cn网团队竭诚为学生服务,免费提供各门课后答案,不用积分,甚至不用注册,旨在为广大学生提供自主学习的平台!课后答案网:www.hackshp.cn视频教程网:www.efanjy.comPPT课件网:www.ppthouse.com课后答案网:www.hackshp.cn若侵犯了您的版权利益,敬请来信告知!www.hackshp.cn课后答案网:www.hackshp.cn第一章绪论课后答案网:www.hackshp.cn1若侵犯了您的版权利益,敬请来信告知!
2、www.hackshp.cn课后答案网:www.hackshp.cn1.f1(t)连续f2(t)离散f3(t)连续f4(t)连续f5(t)连续f6(t)离散课后答案网:www.hackshp.cn2若侵犯了您的版权利益,敬请来信告知!www.hackshp.cn课后答案网:www.hackshp.cn3.2A(1)W=P=0,能量信号22A(2)W=∞P=,功率信号2(3)W=∞P=1,功率信号(4)W=∞P=∞,非能量信号非功率信号课后答案网:www.hackshp.cn3若侵犯了您的版权利益,敬请来信告知!www.hackshp.cn课后答案
3、网:www.hackshp.cn第二章第1节课后答案网:www.hackshp.cn4若侵犯了您的版权利益,敬请来信告知!www.hackshp.cn课后答案网:www.hackshp.cn1.应用冲激信号的抽样特性,求下列表达式的函数值+∞(1)∫f(t−t0)δ(t)dt=f(−t0)−∞+∞(2)t(e+t)δ(t+)2dt=0∫0−+∞(3)f(t−t)δ(t−t)dt=f)0(∫−∞00+∞ππ1(4)∫(t+sint)δ(t−)dt=+−∞662⎧t0+∞t0⎪u()t≥0(5)δ(t−t)u(t−)dt=⎨0∫0−022⎪⎩0t<0
4、0(6)+∞−jωt−jωt0e(δt)(−δ(t−t))dt=1−e∫0课后答案网:www.hackshp.cn−∞5若侵犯了您的版权利益,敬请来信告知!www.hackshp.cn课后答案网:www.hackshp.cn3.连续时间信号x1(t),x2(t)如图所示,试画出下列信号的波形。(要求:分步画出)(6)x(−t−)11-5课后答案网:www.hackshp.cn6若侵犯了您的版权利益,敬请来信告知!www.hackshp.cn课后答案网:www.hackshp.cn1(8)−x(−2t+)221-11-1-2课后答案网:www.ha
5、ckshp.cn7若侵犯了您的版权利益,敬请来信告知!www.hackshp.cn课后答案网:www.hackshp.cn补充作业:求x1(t)*x2(t)x1(t)x2(t)11tt-1/21/2-1/21/2⎧0t<−2/1⎪xt)(1=xt)(2=⎨1−2/12/1课后答案网:www.hackshp.cn8若侵犯了您的版权利益,敬请来信告知!www.hackshp.cn课后答案网:www.hackshp.cnx1(τ)x2(τ)11tt-1/21/2-1/21/2x2(t-τ)t=?1tt-1/2tt+1/2-1/21
6、/2课后答案网:www.hackshp.cn9若侵犯了您的版权利益,敬请来信告知!www.hackshp.cn课后答案网:www.hackshp.cn要使x(t−τ)≠0必须−17、shp.cn课后答案网:www.hackshp.cn01,τ的取值范围是τ>2x(τ)x(t−τ)=0∴x(t)*x(t)=01212⎧0t≤−1⎪⎪t+1−11课后答案网:www.hackshp.cn11若侵犯了您的版权利益,敬请来信告知!www.hackshp.cn课后答案网:www.hackshp.cn第二章第2节课后答案网:www.hackshp8、.cn12若侵犯了您的版权利益,敬请来信告知!www.hackshp.cn课后答案网:www.hackshp.cn4.求下列信号的傅里叶
7、shp.cn课后答案网:www.hackshp.cn01,τ的取值范围是τ>2x(τ)x(t−τ)=0∴x(t)*x(t)=01212⎧0t≤−1⎪⎪t+1−11课后答案网:www.hackshp.cn11若侵犯了您的版权利益,敬请来信告知!www.hackshp.cn课后答案网:www.hackshp.cn第二章第2节课后答案网:www.hackshp
8、.cn12若侵犯了您的版权利益,敬请来信告知!www.hackshp.cn课后答案网:www.hackshp.cn4.求下列信号的傅里叶
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