Statistics – Applications
Scientific paper
Dec 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010agufmsa11a1578t&link_type=abstract
American Geophysical Union, Fall Meeting 2010, abstract #SA11A-1578
Statistics
Applications
[6994] Radio Science / Instruments And Techniques
Scientific paper
EISCAT_3D will be the next-generation radar for the high-latitude atmosphere and geospace, with capabilities going beyond anything currently available. The facility will consist of large phased arrays in three countries. Depending on funding, EISCAT_3D will comprise tens of thousands, up to more than 100 000, antenna elements. EISCAT_3D will combine capabilities for volumetric imaging, tracking and aperture synthesis imaging, realised by a multistatic configuration, with improved sensitivity and transmitter flexibility. At the passive sites, the design allows the full extent of the transmitted beam to be imaged using holographic techniques. EISCAT_3D will be modular, allowing an active array to be split into sections for imaging. The result will be a new data product, range-dependent images of small structures, with sizes down to tens of metres. EISCAT_3D will be the first multistatic phased array ISR. A minimum of five sites is envisaged, with receivers located around 120 km and 250 km from the active site, providing optimal geometry for vectors in the middle and upper atmosphere. The antenna gain and array size will deliver large increases in the figure-of-merit relative to EISCAT’s existing radars. An active site comprising 16,000 elements would exceed the sensitivity of the present VHF radar by an order of magnitude. Each transmitter will allow the generation and transmission of arbitrary waveforms. This permits the implementation of all currently used and envisaged modulation schemes and provides the possibility to adopt any future code. Our poster will summarise the technical specifications and science case for EISCAT_3D, including studies of the atmospheric energy budget, exploration of small-scale and large-scale processes, geospace environment monitoring and service applications. The timetable of future development activities will also be presented.
Eiscat 3D Project Team
Turunen E. S.
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