Statistical Analysis of Shortwave Fadeout Occurrence for the Years 1955 to 1969 PDF Download
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Author: Richard G. Hendl
Publisher:
ISBN:
Category : Correlation (Statistics)
Languages : en
Pages : 28
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Book Description
Shortwave fadeout data for the period 1955 through 1969 were analyzed and correlated with solar flare data for the same period. Details of the analysis are presented along with various statistical presentations of the data. The validity of computerized objective procedures for matching geophysical data is shown. Some doubt is cast on the quality of the shortwave fadeout data during the early part of the period considered. (Author).
Author: Richard G. Hendl
Publisher:
ISBN:
Category : Correlation (Statistics)
Languages : en
Pages : 28
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Book Description
Shortwave fadeout data for the period 1955 through 1969 were analyzed and correlated with solar flare data for the same period. Details of the analysis are presented along with various statistical presentations of the data. The validity of computerized objective procedures for matching geophysical data is shown. Some doubt is cast on the quality of the shortwave fadeout data during the early part of the period considered. (Author).
Author: Ronald T. Podsiadlo
Publisher:
ISBN:
Category : Correlation (Statistics)
Languages : en
Pages : 20
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Book Description
Shortwave fadeout durations are compared with associated solar flare characteristics and other features of the solar regions in which the flares occur. Statistical tests show that flare parameters, especially flare importance, have the highest correlations with shortwave fadeout duration. Most other active region features, such as plage area, also show some correlation, but to varying lesser degrees. Cross tabulations of the shortwave fadeout durations and optical features are presented and discussed relative to their use as operational space forecasting aids. (Author).
Author:
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Category : Aeronautics
Languages : en
Pages : 992
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Author: Air Force Cambridge Research Laboratories (U.S.)
Publisher:
ISBN:
Category : Geophysics
Languages : en
Pages : 336
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ISBN:
Category : Research
Languages : en
Pages : 990
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ISBN:
Category : Atmospheric chemistry
Languages : en
Pages : 874
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Author:
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ISBN:
Category : Science
Languages : en
Pages : 1296
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Category : Government publications
Languages : en
Pages : 1192
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Author: Heinrich Kuttruff
Publisher: CRC Press
ISBN: 1482260441
Category : Technology & Engineering
Languages : en
Pages : 302
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Book Description
Well established as a classic reference and specialised textbook, since its first publication in 1973, Heinrich Kuttruff’s Room Acoustics combines detailed coverage with a state of art presentation of the theory and practice of sound behaviour in closed spaces. This sixth edition presents several additional new sections, for instance on the reflection of a spherical wave from a wall, on finite element methods for sound field calculation and on virtual reality, as well as giving an overhaul of the standard material. Particular emphasis is given to the properties and calculation of reverberation, the most obvious acoustical feature of a room. And further key topics include the various mechanisms of sound absorption and their practical application as well as scattering by wall irregularities including pseudo-stochastic structures. Extensive space is given to of psychoacoustic insights and the quality criteria derived from them, along with new procedures for the sensory assessment of concert hall acoustics. As in earlier editions, one full and updated chapter is devoted to the design and performance of electroacoustic systems which nowadays is not just a method for sound amplification but offers many possibilities for correcting acoustic deficiencies and modifying a hall’s natural acoustics.
Author: Richard A. Matzner
Publisher: CRC Press
ISBN: 1420050230
Category : Science
Languages : en
Pages : 538
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Book Description
The Dictionary of Geophysics, Astrophysics, and Astronomy provides a lexicon of terminology covering fields such as astronomy, astrophysics, cosmology, relativity, geophysics, meteorology, Newtonian physics, and oceanography. Authors and editors often assume - incorrectly - that readers are familiar with all the terms in professional literature. With over 4,000 definitions and 50 contributing authors, this unique comprehensive dictionary helps scientists to use terminology correctly and to understand papers, articles, and books in which physics-related terms appear.
