Exploring Discrete Fourier Transform in Wireless Networks - LAB 1
Dive into the world of Discrete Fourier Transform with a focus on Wireless Networks LAB 1. Learn about complex signals, Euler's formula, DFT properties, and more through informative visual aids.
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Presentation Transcript
Discrete Fourier Transform COS 463: Wireless Networks LAB 1
Complex Signal Euler s Formula Complex Signal 2
DFT Sine in time domain 3
DFT Sine in frequency domain (DFT) 4
DFT Shift Sine in frequency domain (DFT) DFT Shift (central frequency = 0) Frequency at k-th bin is f = k * sample rate / N 5
DFT Cosine in time domain 6
DFT Cosine in frequency domain (DFT) 7
DFT Shift Cosine in frequency domain (DFT) DFT Shift (central frequency = 0) 8
DFT Sum of 2 Sins in time domain 9
DFT Sum of 2 Sins in frequency domain 10
DFT Sum of 2 Sins in frequency domain DFT Shift (central frequency = 0) 11
DFT Sum of 2 Sins in time domain Different Amplitude 12
DFT Sum of 2 Sins in frequency domain 13
DFT Sum of 2 Sins in frequency domain DFT Shift (central frequency = 0) 14
