Mason Archival Repository Service

Browsing Physics and Astronomy by Issue Date

Browsing Physics and Astronomy by Issue Date

Sort by: Order: Results:

  • A Model Study of the Response of Mesospheric Ozone to Short-Term Solar Ultraviolet Flux Variations 
    Summers, Michael E.; Strobel, D. F.; Bevilacqua, R. M.; Zhu, Xun; DeLand, M. T.; Allen, M.; Keating, G. M. (American Geophysical Union, 1990-12-20)
    An investigation is conducted in order to determine the relative importance of several modeled processes in controlling the magnitude and phase of the mesospheric ozone response. A detailed one-dimensional modeling study ...
  • History of Physics & Astronomy at GMU 1966-2007 
    Ehrlich, Robert (2007-11-14)
    A powerpoint presentation of the history of the Department 1966-2007
  • Animations of oscillations and waves 
    Ceperley, Peter (2007-12-02)
    Animations of the physics of oscillations and waves. These are done in Adobe Flash, version SWF6.
  • Animation of phasor 
    Ceperley, Peter (2007-12-02)
    Animation of geometric phasors (without use of complex numbers). The animation consists of a girl on the end of a bungy cord oscillating up and down. The explaining phasor diagram is also shown and connected to the girl's ...
  • Animation of a complex rotor 
    Ceperley, Peter (2007-12-03)
    Animation showing the time dependent behavior of the function exp(iwt). This is the central concept of representing oscillations and waves in complex forms.
  • Animation of complex oscillation 
    Ceperley, Peter (2007-12-03)
    This animation shows the time dependent behavior of a phasor representing an oscillating object. It also displays an x-y graph (time is the x variable) of the oscillation and a bar graph of the oscillating variable. All ...
  • Animation of a complex oscillation multiplied by a complex constant 
    Ceperley, Peter (2007-12-03)
    This animation shows two phasors rotating in time in the complex plane. One phasor is a representation of an oscillation, and the other one is that oscillation multiplied by a complex constant. The animation also shows ...
  • Animation of Marconi's spark gap transmitter 
    Ceperley, Peter (2007-12-04)
    Animation of the basics of Marconi's spark gap transmitter. Can be stepped to allow viewer to understand the sequence that allows it to work.
  • Animation of complex phasor representation of a traveling wave 
    Ceperley, Peter (2007-12-04)
    Animation of the complex phasor representation of a traveling wave. This animation shows the time dependence of the complex phasor at various points along a one dimensional wave.
  • Animation of the shifting of a gaussian function 
    Ceperley, Peter (2007-12-04)
    This animation illustrates the shifting of a gaussian function by substituting x-x0 in place of x. This is a preliminary for understanding the mathematical representation of a traveling wave.
  • Animation of a moving gaussian function 
    Ceperley, Peter (2007-12-04)
    This animation shows the temporal behavior of a time shifting gaussian function. This is sometimes considered a solitary wave.
  • Animation of a traveling wave as a complex, helical phasor. 
    Ceperley, Peter (2007-12-04)
    This animation shows the time dependence of the complex phasor representation of a one dimensional traveling wave. The wave is seen as a rotating helix.
  • Animation of a traveling wave as a cosine fuction. 
    Ceperley, Peter (2007-12-04)
    This animation shows the time dependence of the cosine representation of a traveling wave.
  • Animation of adding phasors 
    Ceperley, Peter (2007-12-08)
    This animation demonstrates the addition in time of two sinusoid signals added together by means of phasors. To make the concept connected to real objects, two bungy jumpers are used to connect the phasors with real ...
  • Phasor rotor 
    Ceperley, Peter (2007-12-08)
    This animation shows the temporal behavior of an elemental rotor as is basic to the use and understanding of phasors. Phasors are heavily used in physics and electrical engineering to mathematically work with oscillations ...
  • Animation of beating of two sinusoids 
    Ceperley, Peter (2007-12-08)
    This animation demonstrates the addition of two phasors rotating at different rates to produce a beating sinusoidal signal. To connect the process to real life, two bungy jumpers to provide the oscillating waveforms.
  • Animation of waves on a string 
    Ceperley, Peter (2007-12-19)
    Animation of a simple one dimensional traveling wave. This animation shows a monkey creating traveling waves on a string.
  • Animation of two dimensional wave 
    Ceperley, Peter (2007-12-19)
    Animation of a two dimensional wave propagating through a mesh. The wave is aligned with one of the axes.
  • Animation of a 2D oblique wave 
    Ceperley, Peter (2007-12-19)
    Animation of a traveling wave propagating on a two dimensional mesh. The wave is propagating at an oblique angle to either of the mesh axes.
  • Animation of a two dimensional radial wave on a mesh 
    Ceperley, Peter (2007-12-19)
    This animation shows the propagation of a radial wave on a two dimensional mesh.

Search MARS


Browse

My Account