Results 251 to 260 of about 3,790 (296)

A High-Performance Self-Collimation SPECT for Small Animal Imaging. [PDF]

open access: yesIEEE Trans Med Imaging
Zhang D   +17 more
europepmc   +1 more source

Millimeter Astronomy

open access: yesSaas-Fee Advanced Course, 2018
The millimeter and sub-millimeter wavebands are unique in astronomy in containing several thousands of spectral lines of molecules as well as the thermal continuum spectrum of cold dust. They are the only bands in the electromagnetic spectrum in which we
T L Wilson
exaly   +5 more sources

Contemporary Millimeter- and Submillimeter-Wave Astronomy

Radiophysics and Quantum Electronics, 2003
We discuss the scientific importance of the millimeter- and submillimeter-wave astronomy. The directions of research and the main achievements in cosmology, extragalactic astronomy, and studies of the Galaxy structure, star-formation regions, and Solar-System objects are described. Topical problems are formulated.
I I Zinchenko
exaly   +2 more sources

Radar astronomy at millimeter and submillimeter wavelengths

Proceedings of the IEEE, 1966
The scant two-decade existence of radar astronomy has seen important contributions by this new technique to positional astronomy, to the metrics of the solar system, and to the study of lunar and planetary surfaces. The role of millimeter wavelengths in this new astronomy is discussed and the problems unique to these short wavelengths defined.
exaly   +2 more sources

Molecular Millimeter Wave Astronomy

S-MTT International Microwave Symposium Digest, 1974
A current review of recent observation of interstellar molecules in the millimeter wavelength region will be presented.
exaly   +2 more sources

The Challenge of Astronomy to Millimeter-Wave Technology

IEEE Transactions on Microwave Theory and Techniques, 1976
The inseparability of pure and applied science, or the synergy between scientific discovery and technological advance, has already been well illustrated in the field of radio astronomy. Recent astronomical discoveries in the millimeter range, and what can he expected to emerge from the far-infrared region, make further technological developments in ...
exaly   +2 more sources

Molecular Millimeter Wave Astronomy (Short Papers)

IEEE Transactions on Microwave Theory and Techniques, 1974
Molecular millimeter wave astronomy is briefly reviewed. Particular emphasis is placed on the newer areas of research in astronomy and astrophysics which have been facilitated by radio observations of galactic molecules in the millimeter wavelength range of the spectrum.
exaly   +2 more sources

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