'Energy emission' diaporamas de présentation

Locating PeV Cosmic-Ray Accelerators: Future Detectors in Multi-TeV Gamma-Ray Astronomy Adelaide, 6-8 December 2006

563 views • 41 slides

Unit 6: Electrons in Atoms part 1: properties of waves

Unit 6: Electrons in Atoms part 1: properties of waves. Frequency. Definition number of waves that pass a given point per unit of time Symbol ? (Greek letter nu) Units Hertz (abbreviated Hz) 1 Hz = 1 wave/second 1Hz = 1/s. frequency. Wavelength.

520 views • 33 slides

Overview of 60 GHz Radio Technology

September 17, 2002 Overview of 60 GHz Radio Technology presented before The Fixed Link Consultative Committee Radiocommunications Agency presented by Terabeam Corporation Why 60GHz? FCC Part 15.255 unlicensed spectrum Available Spectrum: 57-64GHz = 7GHz contiguous

803 views • 27 slides

Crab Giant Pulses

Crab Giant Pulses. W. Majid * , S. Ellingson (PI), C. Garcia- Miro , T. Kuiper, J. Lazio , S . Lowe, C. Naudet , D. Thompson, K. Wagstaff. * Jet Propulsion Laboratory, California Institute of Technology.

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Technical Aspects of Carbon Footprinting for Organisations and Products

296 views • 20 slides

Evolved Massive Stars

Evolved Massive Stars. Wolf-Rayet Stars. Classification WNL - weak H, strong He, NIII,IV WN2-9 - He, N III,IV,V earliest types have highest excitation WC4-9 - He, C II,III,IV, O III,IV,V WO1-4 - C III,IV O IV,V,VI WN most common, WO least. Wolf-Rayet Stars. log L/L ? > 5.5

292 views • 15 slides