QUARTERLY PROGRESS REPORT NO. 87,

Abstract

Contents: Scattering of alkali metals by oxygen-containing molecules in crossed molecular beams; Cosmic background measurements at 9.24 mm; Very long baseline interferometry with independent time standards; Resolution of the mass spectrometer; Optical phonons in CdSxSe(1-x) mixed crystals; Experiments to determine the aerosol content of air from spectral analysis of laser echoes; Measurement of the density and temperature of the electrons in a low-density reflex discharge by scattering of continuous-wave A(+) laser light; Method for high resolution NMR in solids; Thermally excited surface waves, optical heterodyne scattering experiment; Surface phonon lifetime by conditional probability measurement; Diffraction of light by ultrasonic waves in single crystals; Nonlinear acoustics, sound propagation in a duct; Radiofrequency absorption in plasmas; Bremsstrahlung from a highly turbulent plasma at harmonics of the plasma frequency; Diffusion wave experiment; System C; Computer models of the beam-plasma interaction; Thin electron-beam interactions with ions in a plasma-filled waveguide; Alternative stability analyses; Dynamics of the plasma boundary; Interactions of a spiraling electron beam with a plasma; 'Low-field' microwave emission from contactless indium antimonide samples; Hollow-cathode arc plasma; Effects of noise on cepstral estimation of echoes; Some properties of the cepstrum; Studies in convolutional coding; Control of a reading machine by the blind; Digital linear time-variant filtering; Surface reconstruction from contour samples; Computer-controlled tactile display; Preliminary work on a new model of binaural hearing.

Document Details

Document Type
Technical Report
Publication Date
Oct 15, 1967
Accession Number
AD0661448

Entities

People

  • G. G. Harvey
  • H. J. Zimmermann
  • Samuel J. Mason

Organizations

  • Massachusetts Institute of Technology

Tags

DTIC Thesaurus Topics

  • Acoustics
  • Alkali Metals
  • Continuous Waves
  • Crystal Lattice Vibrations
  • Diffraction
  • Electron Beams
  • Frequency
  • High Resolution
  • Indium Antimonides
  • Low Density
  • Mass Spectrometers
  • Measurement
  • Molecular Beams
  • Reading Machines
  • Scattering
  • Time Standards
  • Waves

Fields of Study

  • Physics

Readers

  • Plasma Physics / Magnetohydrodynamics
  • Plasma Physics.
  • Radar Systems Engineering.

Technology Areas

  • Directed Energy
  • Directed Energy - Lasers
  • Microelectronics