Question: When the frequency f=4 KHz, the effective bandwidth of the following signal is approximately: sin(2 Ttk ft) 4 AX TL s(t) k 1, odd

When the frequency f=4 KHz, the effective bandwidth of the following signal

When the frequency f=4 KHz, the effective bandwidth of the following signal is approximately: sin(2 Ttk ft) 4 AX TL s(t) k 1, odd O 4 KHZ O20 KHz O 1 KHz

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