EM-11 · Chapter 8 · Low-Speed Interfaces & Embedded Hardware
DSP basics: FFT, FIR, IIR
What is the difference between a DFT and an FFT? Between FIR and IIR filters? Where would you use each?
| Level | ●● onsite technical |
| Track | Embedded & wearables |
| Really testing | Signal-processing literacy for hardware roles. |
Full worked answer: in the book, page 222 — what to say first, how to explain it, the numbers worth quoting and the follow-ups. About the book →
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Extra explanation that is not in the book: worked numbers, where people go wrong, and how to say it in the room.
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