搜索结果: 1-9 共查到“理学 Millimeter-Wave”相关记录9条 . 查询时间(0.109 秒)
2018年SPIE空间望远镜和仪器：光学，红外和毫米波会议（SPIE Space Telescopes and Instrumentation 2018:Optical,Infrared,and Millimeter Wave）
2018年 SPIE 空间望远镜和仪器：光学，红外和毫米波 会议
2017/11/27
The Space Telescopes and Instrumentation 2018 conference is designed to explore the current and foreseeable state-of-the-art of space telescope and instrumentation programs, concepts and technologies ...
Researchers Invent Breakthrough Millimeter-wave Circulator IC（图）
Researchers Millimeter-wave Circulator IC
2017/10/25
Columbia Engineering researchers, led by Harish Krishnaswamy, associate professor of electrical engineering, in collaboration with Professor Andrea Alu’s group from UT-Austin, continue to break new gr...
Millimeter wave spectroscopic measurements of stratospheric and mesospheric constituents over the Italian Alps: stratospheric ozone
millimeter-wave spectroscopy stratospheric ozone isentropic transport
2015/9/2
Measurements of rotational lines emitted by middle atmospheric trace gases have been carried out from the Alpine
station of Testa Grigia (45.9°N, 7.7°E, elev. 3500 m) by means of a Ground-Based Milli...
Millimeter-wave molecular mapping of comets Hyakutake and Hale -Bopp
Comet The wu comet Millimeter wave instrument
2014/12/9
The inner solar system passes of the bright comets C/1995 O1 Hale-Bopp and C/1996 B2 Hyakutake, coupled with modern, sensitive millimeter-wave instrumentation provided an opportunity to make unprecede...
Probing chemical evolution in molecular clouds with millimeter -wave observations
Cereal chemistry The interstellar medium Millimeter wavelength Molecular emission Dynamics Temperature observation The density of hydrogen molecules
2014/12/9
We present results for a study of gas-phase and grain chemical processes in the dense interstellar medium (ISM) using millimeter-wavelength observations of the pure rotational transitions of molecules...
The AzTEC Millimeter-wave Camera: Design, Integration, Performance, and the Characterization of the (sub-)millimeter Galaxy Population
Detectors Galaxies Instrumentation Starbursts Far-infrared background
2014/12/9
One of the primary drivers in the development of large format millimeter detector arrays is the study of sub-millimeter galaxies (SMGs) - a population of very luminous high-redshift dust-obscured star...
This letter demonstrates a novel method to generate high-purity optical millimeter-wave signals with carrier suppression by using a frequency quadrupling technique. To the authors’ knowledge, this is ...
Millimeter-wave study of London penetration depth temperature dependence in Ba(Fe0.926Co0.074)2As2 single crystal
Instrumentation and Detectors depth, temperature dependence.
2011/9/29
In-plane surface Ka-band microwave impedance of optimally doped single crystals of the Fe-based superconductor Ba(Fe0.926Co0.074)2As2 (Tc= 22.8K) was measured. Sensitive sapphire disk quasi-optical re...
Simulation of Millimeter-Wave Gunn Oscillations in Gallium Nitride
High field transport Millimeter-Wave Gunn Oscillations
2010/4/12
High field transport in wide bandgap semiconductors like GaN is of great technological importance. The negative differential mobility regime at high fields, under suitable conditions, can lead to mill...