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(ELEC211)[2009](sum)midterm2~ee_wxx^_10301.pdf
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ELEC211....Midterm.II....Suggested.Solution.
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.Assume.that.x(t).is.a.real.signal,.
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d..It.is.not.required.to.see..to.be.the.same.as.for.all.t..
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..0.05..10...........................................5.....................................0.....1.....2.....3.....4......5...........................................10.
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Let....
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c)()()()()()1==jXjjXjHjXjH..where....=jjH)(1.tputs.obtained.from.these.two..
.This.is.because.the.input.is.a.bandlimited.signal..The.ou.............systems.will.be.equivalent.and.the.same.as.each.other..
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Therefore,.)()(txdtdty=.......(The.system.behaves.as.a.differentiator.for.
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4Assume.that..and..are.large.than.zero.to.give.a.realistic.and.stable.system..
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Expression.of.this.frequency.response.has.the.same.form.as.the.given.system..
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(Additional)..Consider.another.expression:.
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The.combination.of.the.above.results.may.give.a.general.solution.as.shown.below...
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)()os(21eBtuct+=.where.B.,.B1.,.B2.are.real.constants..
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The.corresponding.frequency.response.:.
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()(jcj++.where.B3.are.real.constant..