Consider the signal x = cos((π/3)n). The signal is upsampled by a factor of two. Check the true statements about ₂U X2U

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answerhappygod
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Consider the signal x = cos((π/3)n). The signal is upsampled by a factor of two. Check the true statements about ₂U X2U

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Consider the signal x = cos((π/3)n). The signal is upsampled by a factor of two. Check the true statements about ₂U X2U = cos((π/6)n) X2U = cos((π/3)n) + cos((π/6)n)) X₂U = cos((π/6)n) + cos((5π/6)n))
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