... Radio: Large shell, with flatter spectrum component (Vela X), and pulsar nebula. ... Distance: Vela pulsar parallax gives 0.3 kpc, optical spectra and H I studies suggest 0.25 kpc. ... Parkes 64-m at various frequencies, including 408 MHz (48': S=2300?300 Jy), 635 MHz (31': S=2360?300 Jy), 1410 MHz (14': S=1640?300 Jy) and 2650 MHz (7'.5: S=1400?250 Jy), plus discussion of the distance. ... VLA at 330 MHz (1'?1'.8) and comparison with ROSAT observations of Vela X. ADS . ... 2001, ApJ, 549, 416. ...
... 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). ...
[
Текст
]
Ссылки http://www.mrao.cam.ac.uk/projects/aavp/posters/daSilva_AAVP-Cambridge2010.pdf -- 1772.7 Кб -- 06.12.2010 Похожие документы