Research Article

A Computationally Efficient Iterative Algorithm for Estimating the Parameter of Chirp Signal Model

Figure 5

Plot of the absolute value of DFT for the filtered signal in Model 1 with and where the two figures correspond to the signal filtered by the initial estimator (a) and proposed estimator (b) of , respectively.
903426.fig.005a
(a)
903426.fig.005b
(b)