'Active region' presentation slideshows

VCSEL Reliability and Development of Robust Arrays

VCSEL Reliability and Development of Robust Arrays. Advantages and disadvantages of VCSELs Reliability theory Diagnostic techniques for VCSEL Failure Analysis ATLAS experience VCSEL failures Review failure rates for different systems Solutions Summary VCSEL reliability & ATLAS outlook.

1.19k views • 59 slides

WSST

WSST . Jeanine Gelhaus Medford Area Public Schools. Outline. EARTHKAM UW-Milwaukee RET program a. planetarium b. website: resource compilation c. Inquiry on the Sun ~ SOLAR WEEK. International Space Station- ISS. Launched in 1998 Hopes to still be orbiting in 2028.

664 views • 53 slides

Spam Image Identification Using an Artificial Neural Network

512 views • 35 slides

Operation Regions of Bipolar Transistors

Operation Regions of Bipolar Transistors. Binary Logic States. Digital Logic:. Bipolar transistor as an inverter. Transistor in digital logic pass quickly from the off region to the saturation region. Input Output 1(high V in ) 0(low input) 0 1.

588 views • 34 slides

Active-region magnetic structures and their perturbations by flares

Active-region magnetic structures and their perturbations by flares. H.S. Hudson SSL/UCB. Outline. Description of a solar active region Magnetic structure Waves, oscillations, and restructuring RHESSI observations of eruptive flares. TRACE 171A view of an active region,

509 views • 32 slides

Differential and Multistage Amplifiers

Differential and Multistage Amplifiers. BJT & FET Differential Pair Small Signal Model Biasing. Diff. BJT Amp. With Diff. Input. v B2 =0, v B2 =1 Operate the first transistor in the active region conducting I, Q 2 off. V B1. V B2 =0. Common Mode Input Voltage.

1.44k views • 27 slides

Solar Cycle 24, Napa, December 2008

345 views • 22 slides

Magnetic Field Maps of the Solar Corona

Magnetic Field Maps of the Solar Corona. Haosheng Lin, Jeffrey R. Kuhn, & Roy Coulter Institute for Astronomy, University of Hawaii. ABSTRACT

423 views • 22 slides

Probing Magnetic Reconnection with Active Region Transient Brightenings

Probing Magnetic Reconnection with Active Region Transient Brightenings. Martin Donachie. Advisors: Adam Kobelski & Roger Scott. Outline. Background ARTBs: What are they? An overview of typical characteristics Preparing the data Searching for ARTBs Plotting light curves

299 views • 21 slides

MESSENGER: Effects of AR1429

322 views • 20 slides

The Focusing Optics X-ray Solar Imager (FOXSI)

Steven Christe 1,2 , L. Glesener 1 , S. Krucker 1 , B. Ramsey 3 , T. Takahashi 4 , S. Watanabe 4 1 Space Sciences Lab, U.C. Berkeley, Berkeley, CA 2 NASA GSFC, Greenbelt, MD 3 NASA MSFC, Huntsville, AL 4 ISAS JAXA, Japan. The Focusing Optics X-ray Solar Imager (FOXSI). FOXSI Motivation.

288 views • 19 slides

Coronal Heating of an Active Region Observed by XRT on May 5, 2010

312 views • 18 slides

Quantum Cascade Laser

Quantum Cascade Laser. Harishankar Jayakumar Optical communication seminar. What kind of a laser is this Quantum Cascade Laser ?. This is a semiconductor laser. But the characteristics of this laser are different from the conventional semiconductor lasers.

977 views • 17 slides

2010 October MURI Meeting

Empirical Forecasting of CMEs from a Free-Energy Proxy: Performance and Extension to HMI David Falconer, Ron Moore, Abdulnasser F. Barghouty, & Igor Khazanov. Our method forecasts threat level (high or low/All-Clear). Verifying forecast performance is being done.

261 views • 14 slides

248 views • 14 slides

Using GaP Avalanche Photodiodes for Photon Detection

Using GaP Avalanche Photodiodes for Photon Detection. Abigail Lubow EE Senior Project Fall 2001 and Spring 2002 Advisor: Professor Woodall. Pictures from http://www.roithner-laser.com/UV-PD.html. Background. Avalanche photodiodes (APDs) are high gain photodetectors.

395 views • 13 slides

T. I. Kaltman, V. M. Bogod St. Petersburg branch of Special Astrophysical Observatory, Russia

On the Structure of Magnetic Field and Radioemission of Sunspot-related Source in Solar Active Region. A. G. Stupishin, L. V. Yasnov Radio Physics Research Institute, St. Petersburg University, Russia. T. I. Kaltman, V. M. Bogod

258 views • 12 slides

Physical Operation of BJTs

Physical Operation of BJTs. Structure review Voltage vs. position in an npn structure cutoff active saturation Designing for high b The Early effect Parasitic capacitance (C p , C m ). From Prof. J. Hopwood. E. B. C. metal silicon oxide doped silicon wafer (chip). npn structure.

247 views • 10 slides

The North Central Plains Region of Texas

1.47k views • 9 slides

Fig. 1. Type IIIb burst (11:20:10) against Type III bursts dynamical spectrum;

141 views • 4 slides