FFT Explorer
Add sinusoidal components and observe how they appear in the frequency domain.
b2slab.upc.edu ↗
Noise
0.00
Time domain: x(t)
amplitude vs time
x(t) = 0
Frequency domain: |X(f)|
magnitude spectrum (DFT)
X(k) = Σ
n
x(n) e
-j2πkn/N