نتایج جستجو برای: millimeter wave
تعداد نتایج: 229411 فیلتر نتایج به سال:
Broadband, low loss and cost-effective transmission capability of optical fiber links has led to an ever-increasing interest in their use for the generation and distribution of millimeter-wave (mm-wave) signals for broadband wireless access networks and sensor networks. In this paper, some new techniques in photonic generation of mm-wave signals for radio-over-fiber (RoF) network applications a...
Title of dissertation: RF PHOTONIC VECTOR MODULATION AND DEMODULATION TECHNIQUES FOR MILLIMETER-WAVE COMMUNICATIONS Vincent R. Pagán, Doctor of Philosophy, 2015 Dissertation directed by: Professor Thomas E. Murphy Department of Electrical and Computer Engineering RF photonic techniques for modulating and demodulating microwave and millimeter-wave signals on RF carriers are theoretically analyze...
Techniques to generate microwave and millimeter-wave (mm-wave) signals in the optical domain will be reviewed, with an emphasis on the techniques for microwave generation based on heterodyne of two phase correlated wavelengths.
Bolometric interferometry is not a new idea, but this technique has not been demonstrated at millimeter wavelengths. The millimeter-wave bolometric interferometer combines the advantages of two well-developed technologies – interferometers and bolometric detectors – and will open a new region of sensitivity and angular resolution not previously accessible to other instruments. 2003 Elsevier B.V...
Snowfall is an important component of the Earth’s precipitation and hydrological cycle. Remote measurements of frozen hydrometeor properties have been limited because coincident measurements of microphysical and electromagnetic properties of snowfall have not been available. Ground-based radars have been widely used to monitor snowfall intensity, but even those measurements are difficult to rel...
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