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Posted: **Wed Apr 27, 2022 5:48 pm**

: Figure Q1a Shows Four Different Functions Rist I 1 4 Which Of These Represent Valid Auto Correlation Sequence 1 (30.74 KiB) Viewed 35 times

Figure Q1a) shows four different functions riſt), i = 1, ...,4. Which of these represent valid auto-correlation sequences, and why? 0.5 0.5 0 0 0 -5 0 5 -5 0 5 1 real imag real imag 0.5 0.5 144 0 1 0 -5 5 -5 5 0 lag 0 lag Figure Q1a)