Figure 1From: Discrete fourier transform-based TOA estimation in UWB systemsTrue phase φ k in (a), three realizations in (a), (b) and (c) of the wrapped phase φ ^ k , and the corresponding unwrapped phase φ ̃ k versus f k + f c , ( k = -8, ..., 7) for a cardinal sine modulated by f c = 2 GHz.Back to article page