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  • (cur | prev) 08:10, 15 October 2008โ€Ž Longja (Talk)โ€Ž . . (441 bytes) (+441)โ€Ž . . (New page: == Question One == Is the following signal periodic? == The Signal == :<math>x(t) = \sum_{k = -\infty}^\infty \frac{1}{(t+2k)^{2}+1}\,</math> == The Answer == '''Yes''' :<math>x(t+...)

Alumni Liaison

Ph.D. 2007, working on developing cool imaging technologies for digital cameras, camera phones, and video surveillance cameras.

Buyue Zhang