与 «RADAR ASTRONOMY»相关的英语书籍
在以下的参考文献中发现
radar astronomy的用法。与
radar astronomy相关的书籍以及同一来源的简短摘要提供其在 英语文献中的使用情境。
1
Radar Astronomy and Propagation Research
Research in this report and application of radar astronomy techniques for study of the solar corona, interplanetary gas density, ionospheric electron content, and cislunar gas density.
H. T. Howard, B. B. Lusignan, V. R. Eshleman, 1964
2
Antenna Array for
Radar Astronomy Studies in the 20 to 55 Mc ...
The discipline of radar astronomy requires antennas capable of handling large peak and average powers over a wide frequency range, while providing both high directive gain and enough steerability to illuminate targets for extended periods ...
3
Space Technology & Planetary
Astronomy
The radar astronomy studies were to a large degree driven by the logic of the
technique itself — the sensitivity and power of the equipment combined with the
distances to various targets. The radar meteor research would expand rapidly,
peak, ...
Joseph N. Tatarewicz, 1990
4
The Early Years of Radio
Astronomy: Reflections Fifty Years ...
RADAR ASTRONOMY My own first work in the field was in radar astronomy. I
came into it many months after the end of the war, because I had been finishing
off an elaborate study of the correlation between the performance of Australian
Air ...
5
Automotive
radar research: final report
A.3 SUPPLEMENT TO 1974 LIST OF RADIO AND RADAR ASTRONOMY
OBSERVATORIES INTRODUCTION A complete listing is given under each
Observatory where changes or corrections were reported. Changes for only five
U.S. ...
6
Firefly
Astronomy Dictionary
RA RA ABBREVIATION FOR right ascension radar astronomy The use of radar
techniques to study bodies in space, by transmitting continuous waves or pulses
and observing the reflections, as opposed to radio astronomy, which involves
only ...
7
Planetary
Astronomy: An Appraisal of Ground-based Opportunities
For the present, the United States is pre-eminent in radar astronomy, with work
proceeding at three major installations (see Table 2). The groups currently
involved are centered at the Jet Propulsion Laboratory (using the Goldstone
Deep ...
National Research Council (U.S.). Panel on Planetary Astronomy, 1968
8
Planets, Stars and Nebulae: Studied with Photopolarimetry
RADAR POLARIMETRY G. LEONARD TYLER Center for Radar Astronomy
Stanford University Radar astronomy experiments can completely define the
scattering properties of a planetary surface in terms of a matrix relationship
joining the ...
9
Encyclopedia of the Solar System
lanetary radar astronomy is the study of solar system entities (the Moon, asteroids
, and comets, as well as the major planets and their satellites and ring systems)
by transmitting a radio signal toward the target and then receiving and analyzing
...
Lucy-Ann McFadden, Torrence Johnson, Paul Weissman, 2006
10
Planetary
Astronomy: An Appraisal of Ground-Based Opportunities
For the present, the United States is pre-eminent in radar astronomy, with work
proceeding at three major installations (see Table 2). The groups currently
involved are centered at the Jet Propulsion Laboratory (using the Goldstone
Deep ...
Space Studies Board, Division on Engineering and Physical Sciences, 1968
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radar astronomy在以下新条目的上下文中是如何使用的。
$100 Million Hunt for Aliens Aims to Survey One Million Stars
They could also pick up signals sent from the center of the Milky Way, if those signals were at least 12 times as powerful as a typical radar astronomy site. «IEEE Spectrum, 七月 15»
Astronomical history comes back to life in South Jersey
Fred Carl of the InfoAge Science Center with the remodeled radio telescope. ... in radar astronomy and the first attempt to actively probe another celestial body. «Philly.com, 二月 15»
NASA, Homeland Security Test Disaster Recovery Tool
The technology works by beaming microwave radar signals into the piles of ... missions and radio and radar astronomy observations for the exploration of the ... «Jet Propulsion Laboratory, 九月 13»
Radar Astronomy and the Asteroid Impact Hazard
Radar astronomy plays a critical role in studies of Near-Earth Asteroids and especially in the context of the asteroid impact risk. This video describes some of the ... «YouTube, 四月 13»
Big Asteroid's Approach in November Excites Astronomers
Because of the asteroid's size and orbital characteristics, astronomers have flagged ... Radar astronomy employs the world's biggest dish-shaped antennas. «Space.com, 五月 11»
