4 Why does the Fourier Transform of the impulse look so different from the Fourier Transform of the impulse train? 3 How to make colored noise white? 3 How to prove $\int_{-\infty}^{\infty}x^2(t)dt=\int_{-\infty}^{\infty}\hat{x}^2(t)dt$ where $\hat{x}(t)$ is the Hilbert Transformation of $x(t)$ 2 PSD of complex white gaussian noise 2 What is about the circular convolution in OFDM

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### Questions (2)

 0 Simulating a multipath channel 0 OFDM Times of Arrival of multipath

### Tags (35)

 5 fourier-transform × 4 2 noise × 4 3 matlab × 5 2 signal-analysis × 4 3 digital-communications × 4 2 fft × 2 3 convolution × 3 2 ofdm × 2 3 hilbert-transform 2 matrix

### Bookmarks (17)

 43 Meaning of Hilbert Transform 6 Number of DFT (FFT) Points Required for a Specific Frequency Resolution for an Oversampled Signal 3 What is the coherence bandwidth of the channel? 3 Finding System transfer function, $H(z)$ or, equivalently, its impulse response, $h[n]$ 2 Some subtleties in the PSD of digitally generated noise with $S_X(f) = A(f)$