Appendix B — Detailed Image Descriptions

B.1 Figure 14.1

Description of Figure 14.1

This figure contains two vertically arranged stem plots sharing the same discrete horizontal axis k from -10 to 10. Top plot — Amplitude Spectrum: Largest value at k=0 (≈0.333), with decreasing symmetric values for larger |k|. Bottom plot — Phase Spectrum: All phases are zero radians.

B.2 Figure 14.2

Description of Figure 14.2

This figure shows TODO