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1. A 151 MHz Galactic plane survey
... The Cambridge Low Frequency Synthesis Telescope (CLFST) is currently being used to undertake a systematic survey of the Galactic plane at a frequency of 151 MHz. ... The CLFST . ... The purpose of a 151 MHz Galactic plane survey . ... Observations and data reduction . ... The usefulness of a 151 MHz survey is that at low frequencies synchrotron emitters are much more prominent than thermal emitters, so a low frequency survey is ideal to look for Galactic synchrotron emitters, e.g. pulsars and SNRs. ...
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Ссылки http://www.mrao.cam.ac.uk/yerac/vessey/vessey.html -- 21.2 Кб -- 08.12.2003
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2. http://www.mrao.cam.ac.uk/projects/aavp/posters/daSilva_AAVP-Cambridge2010.pdf
... The design employs a differential structure. ... The input is adapted to 100 differential, and the outputs use standard Low Voltage Differential Signaling (LVDS). ... T/H SINGLE T/H Single Input T/H Single Output 1.35 0.15 0.2 T/H DIFFERENTIAL Input T/H Output T/H 0.1 1.3 0.05 volts volts Figure 5: Digital part and digital gate 0 1.25 -0.05 -0.1 1.2 Integrated Test System A test system is integrated on chip to evaluate the transmission to the data acquisition card (fig: 7). ...
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Ссылки http://www.mrao.cam.ac.uk/projects/aavp/posters/daSilva_AAVP-Cambridge2010.pdf -- 1772.7 Кб -- 06.12.2010
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