It is not tough to see that you may perhaps use the operate freq resp you wrote in Lab 5 to calculate the DTFT of any finite-duration signal (why?). Hereafter in this lab, rename the your freq resp 已经推荐给学弟学妹了! 我这个专业特别难, 文献看的我真的头都炸了, 所以没办法才找到你们家, 很幸运能碰到你们, 要不我都怕我毕不了业. 毕业季，每每到了要开始写论文的时候，应届生们通常都会做出三种... http://gregoryix00o.educationalimpactblog.com/33448575/how-much-you-need-to-expect-you-ll-pay-for-a-good