Accession Number : AD0661448

Title :   QUARTERLY PROGRESS REPORT NO. 87,

Corporate Author : MASSACHUSETTS INST OF TECH CAMBRIDGE RESEARCH LAB OF ELECTRONICS

Personal Author(s) : Zimmermann,H. J. ; Harvey,G. G. ; Mason,S. J.

Report Date : 15 OCT 1967

Pagination or Media Count : 257

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.

Descriptors :   (*ELECTRONICS LABORATORIES, SCIENTIFIC RESEARCH), PHYSICS, REPORTS, TRANSPORT PROPERTIES, RADIO ASTRONOMY, MASS SPECTROSCOPY, SPECTRUM ANALYZERS, SPECTROSCOPY, READING MACHINES, MOLECULAR BEAMS, MAGNETIC RESONANCE, ACOUSTICS, PLASMAS(PHYSICS), THERMONUCLEAR REACTIONS, INFORMATION THEORY, BIONICS, LASERS

Subject Categories : Astrophysics
      Computer Hardware
      Cybernetics
      Test Facilities, Equipment and Methods
      Nuclear Physics & Elementary Particle Physics

Distribution Statement : APPROVED FOR PUBLIC RELEASE