Upgrade to Pro — share decks privately, control downloads, hide ads and more …
Sign up for free

Is There An Echo In Here? Signal Analysis for Ops

Sponsored · Ship Features Fearlessly Turn features on and off without deploys. Used by thousands of Ruby developers. →
Avatar for Noah Kantrowitz Noah Kantrowitz
May 06, 2014
Programming
110
0

Is There An Echo In Here? Signal Analysis for Ops

Avatar for Noah Kantrowitz

Noah Kantrowitz

May 06, 2014

More Decks by Noah Kantrowitz

See All by Noah Kantrowitz
Fine Print: Intellectual Property for Engineers
Avatar for Noah Kantrowitz coderanger
0
27
Fine Print: Intellectual Property for Engineers (with notes)
Avatar for Noah Kantrowitz coderanger
0
61
I Am Bad At Things
Avatar for Noah Kantrowitz coderanger
0
33
I Am Bad At Things (with notes)
Avatar for Noah Kantrowitz coderanger
0
81
The Long Hello World
Avatar for Noah Kantrowitz coderanger
0
51
The Long Hello World (with notes)
Avatar for Noah Kantrowitz coderanger
0
200
What Python Can Learn From Other Languages
Avatar for Noah Kantrowitz coderanger
0
110
What Python Can Learn From Other Languages (with notes)
Avatar for Noah Kantrowitz coderanger
0
290
Swiss Army Django: Small Footprint ETL (with notes) - DjangoCon US
Avatar for Noah Kantrowitz coderanger
0
440

Other Decks in Programming

See All in Programming
Railsバージョンを4倍にした話
Avatar for OPTiM optim
0
970
Distance field of Julia set
Avatar for kinakomoti-321 kinakomoti321
0
310
React Native에 현대적인 빌드 도구 더하기: Rollipop 구현기
Avatar for Geunhyeok LEE leegeunhyeok
0
180
ChromeでローカルLLM
Avatar for ryu ryu1013
0
200
SFCで実現する病院・医療システムの動的組み立て式UI
Avatar for kouki.miura koukimiura
1
170
自作Discord音声botをLambda MicroVMsに移行した話 / Migrating My Discord Voice Bot to Lambda MicroVMs
Avatar for アキキー | Akihisa Ikeda akihisaikeda
1
300
クラウドゲーミングのパフォーマンス最適化に挑む / Cloud Gaming Performance Tuning
Avatar for viviON vivion
0
330
SODA - FACT BOOK（JP）
Avatar for SODA inc. sodainc
1
40k
作れるエンジニアから、価値を届けるエンジニアへ
Avatar for Ryu-nakayama ryunakayama
1
240
SODA - FACT BOOK（EN）
Avatar for SODA inc. sodainc
1
220
Enforcing Your Architecture with Unit Tests in the AI Era (Swift Connection X)
Avatar for Stelios Frantzeskakis steliosf
PRO
1
150
Performance Optimization With LLMs
Avatar for xLeitix xleitix
0
250

Featured

See All Featured
Ten Tips & Tricks for a 🌱 transition
Avatar for Manu Carrasco Molina stuffmc
1
280
Fireside Chat
Avatar for paigeccino paigeccino
43
4.1k
Embracing the Ebb and Flow
Avatar for Simon Collison colly
88
5.2k
16th Malabo Montpellier Forum Presentation
Avatar for AKADEMIYA2063 akademiya2063
PRO
0
460
How Software Deployment tools have changed in the past 20 years
Avatar for Geshan Manandhar geshan
3
35k
Avoiding the “Bad Training, Faster” Trap in the Age of AI
Avatar for Mike Taylor tmiket
1
300
Jess Joyce - The Pitfalls of Following Frameworks
Avatar for Tech SEO Connect techseoconnect
PRO
1
470
Balancing Empowerment & Direction
Avatar for Lara Hogan lara
6
1.4k
ラッコキーワード サービス紹介資料
Avatar for ラッコ株式会社 rakko
5
5.8M
Art, The Web, and Tiny UX
Avatar for Lynn Fisher lynnandtonic
304
22k
Building Adaptive Systems
Avatar for Chris Keathley keathley
44
3.3k
Stop Working from a Prison Cell
Avatar for Chris Michel hatefulcrawdad
274
21k

Transcript

  1. Signal Analysis for Ops Is There An Echo In Here?

    Noah Kantrowitz

  2. MATH AHEAD

  3. This is a Metric

  4. Value @ Time

  5. None

  6. metric.wav

  7. None
  8. None

  9. Frequency Domain

  10. Frequency 0hz 20Hz

  11. Value +0dB +50dB

  12. Fourier Transform

  13. ˆ f ( ⇠ ) = Z 1 1 f

    ( x ) e 2 ⇡ix⇠ dx
  14. None
  15. None
  16. None
  17. None

  18. 1Hz 4 Hz/2 10 Hz/4 16 Hz/4 2 Hz/10

  19. None

  20. ˆ f ( ⇠ ) = Z 1 1 f

    ( x ) e 2 ⇡ix⇠ dx

  21. DFT DTFT

  22. Xk = N 1 X n=0 xne 2⇡i N nk

  23. FFT

  24. IFT

  25. Low-pass

  26. None
  27. None
  28. None
  29. None

  30. High-pass Band-pass

  31. Windowing

  32. None
  33. None
  34. None
  35. None
  36. None
  37. None
  38. None
  39. None
  40. None

  41. NumPy

  42. FFTW

  43. go-dsp

  44. Ruby

  45. Go forth and find the signal

  46. Thank You

  47. Bonus Round

  48. DCT

  49. Wavelets

  50. Noise Gate

  51. None

  52. Hysteresis

  53. Control Theory

  54. PID Control

  55. Thank You