SETI@Home - Looking for some E.T

349 views

Published on

Published in: Technology
0 Comments
1 Like
Statistics
Notes
  • Be the first to comment

No Downloads
Views
Total views
349
On SlideShare
0
From Embeds
0
Number of Embeds
2
Actions
Shares
0
Downloads
7
Comments
0
Likes
1
Embeds 0
No embeds

No notes for slide

SETI@Home - Looking for some E.T

  1. 1. SETI@Home Looking for some E.T
  2. 2. SETI - Search for Extra-Terrestrial Intelligence• SETI@home is an Internet-based public volunteer computing project coordinate by University of California in Berkley.
  3. 3. Screen saver SETI@Home
  4. 4. Samples• Amplitute - Gausssian curve• Regular pulse signal• Triplet - a set of three equally spaced spikes
  5. 5. WOW!!!• Find by dr Jerry R. Eman• Below 10 kHz• Sagittarius
  6. 6. Processing sample• Baseline smoothing
  7. 7. Processing sample• De-chirping data - Doppler’s effect
  8. 8. NoiseNarrowband Broadband
  9. 9. Verification
  10. 10. Analisis samples• Gaussian curve• triplet• pulses
  11. 11. My samples: no 1
  12. 12. Sample 1: place• Right ascension :1,3 godziny• Declination: 22,3 stopnia• constellation: Pisces
  13. 13. Sample 1: pulses• Frequency: 1420,958 MHz• Period: 626 milisecond
  14. 14. Sample 2: place• Right ascension : 12,7 godziny• Declination : 8,6 stopnia• constellation : Virgo
  15. 15. Sample 2: pulses• 1420,332 MHz• 1420,339 MHz
  16. 16. Sample 2: Gaussian curve, triplet• Triplet frequency:1420,339 MHz period 3,160 second

×