RICHARD G. LYONS is consulting systems engineer and lecturer with Besser Associates in Mountain View, CA. He has been lead hardware engineer for multimillion dollar DSP systems for both the National Security Agency (NSA) and TRW, Inc. Lyons has taught DSP at the University of California Santa Cruz Extension and has authored numerous articles on DSP. As Associate Editor for IEEE Signal Processing, he created and edits the magazine's "DSP Tips & Tricks" column.