Radar Echoes from the Sun
Author | : Stanford University. Stanford Electronics Laboratories |
Publisher | : |
Total Pages | : 48 |
Release | : 1960 |
Genre | : Radar in astronomy |
ISBN | : |
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Author | : Stanford University. Stanford Electronics Laboratories |
Publisher | : |
Total Pages | : 48 |
Release | : 1960 |
Genre | : Radar in astronomy |
ISBN | : |
Author | : Stanford University Stanford Electronics Laboratories |
Publisher | : |
Total Pages | : 70 |
Release | : 1960 |
Genre | : |
ISBN | : |
Author | : Robert Charles Barthle |
Publisher | : |
Total Pages | : 154 |
Release | : 1960 |
Genre | : Radar in astronomy |
ISBN | : |
Author | : Stanford University. Stanford Electronics Laboratories |
Publisher | : |
Total Pages | : 130 |
Release | : 1961 |
Genre | : |
ISBN | : |
The procedure for computing the signal-to-noise ratio of radar echoes from the sun is outlined. The radial distribution of electron density in the corona, the coronal temperature, solar noise, galactic noise, and radar-system parameters are taken into account. Examples are given of computations for two solar radar systems that will soon be in operation. (Author).
Author | : Vahe Petrosian |
Publisher | : |
Total Pages | : 158 |
Release | : 1963 |
Genre | : Radio waves |
ISBN | : |
Author | : National Academies of Sciences, Engineering, and Medicine |
Publisher | : National Academies Press |
Total Pages | : 254 |
Release | : 2015-09-21 |
Genre | : Science |
ISBN | : 0309373085 |
Active remote sensing is the principal tool used to study and to predict short- and long-term changes in the environment of Earth - the atmosphere, the oceans and the land surfaces - as well as the near space environment of Earth. All of these measurements are essential to understanding terrestrial weather, climate change, space weather hazards, and threats from asteroids. Active remote sensing measurements are of inestimable benefit to society, as we pursue the development of a technological civilization that is economically viable, and seek to maintain the quality of our life. A Strategy for Active Remote Sensing Amid Increased Demand for Spectrum describes the threats, both current and future, to the effective use of the electromagnetic spectrum required for active remote sensing. This report offers specific recommendations for protecting and making effective use of the spectrum required for active remote sensing.
Author | : D. D. Grantham |
Publisher | : |
Total Pages | : 392 |
Release | : 1967 |
Genre | : Radar cross sections |
ISBN | : |
The frequency and probability of radar echoes of convective clouds over the United States are presented. Analysis of three years of observations from a 31-station WSR-57 weather radar network indicates that at all altitudes, radar echo probabilities are greatest over Florida and the Gulf coast, generally decreasing northward over the United States. Also, largest probabilities for most layers and locations occur in summer. Echoes have been reported up to at least 70 kft in May, June, and July, and up to 60 kft in winter. Diurnal variations reveal greatest probabilities between 1600 and 2100 1st in all regions. Largest mean monthly 3-hour values are 85 percent, and the maximum mean daily range is roughly 65 percent in the southeast during the summer months. The probability of an echo-free horizontal view near the earth's surface for a 100-mile range is also presented. Tabulations of echo-free sectors, as percent of the 360-degree radar scope, show that the probability of obstructions to a horizontal view increases generally from northwest to southwest during all seasons. The probability of having no echoes is greater in winter than in summer except along the Pacific coastal region. Diurnal variability is larger in July than in January. (Author)
Author | : United States. National Bureau of Standards |
Publisher | : |
Total Pages | : 1400 |
Release | : 1964 |
Genre | : Ionospheric radio wave propagation |
ISBN | : |
Author | : United States. National Bureau of Standards |
Publisher | : |
Total Pages | : 1354 |
Release | : 1964 |
Genre | : Radio |
ISBN | : |
Author | : V. G. Plank |
Publisher | : |
Total Pages | : 72 |
Release | : 1959 |
Genre | : Radar |
ISBN | : |