Figure 2

For the chirp \(u = e^{{ - \nu \pi x^{2} }} e^{{ - \iota \pi \lambda x^{2} }} ,\) the three-dimensional plot of \(\left| {C_{n,\theta } } \right|\), taking \(\nu = 0.1\pi , \lambda = \frac{3}{4}\) over \(- 15 \le n \le 15\).

For the chirp \(u = e^{{ - \nu \pi x^{2} }} e^{{ - \iota \pi \lambda x^{2} }} ,\) the three-dimensional plot of \(\left| {C_{n,\theta } } \right|\), taking \(\nu = 0.1\pi , \lambda = \frac{3}{4}\) over \(- 15 \le n \le 15\).