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: http://www.naic.edu/~astro/spectral_line/handbook_old/node6.html
Дата изменения: Thu May 31 22:52:22 2001 Дата индексирования: Sat Dec 22 21:23:52 2007 Кодировка: Поисковые слова: asteroid |
This routine is designed to read in the current correlator set-up, go to the chosen source, and then take data pointing directly at the specified source. This routine will automatically wait until you are on source before beginning to take data. A Doppler correction can be applied to your observations either at the beginning of each scan or only att the beginning of the first scan, depending on your choice. Additionally, this routine allows you to take an ON/OFF calibration pair (one 10s scan with the noise diode on, followed by a 10s scan with the diode off), using the chosen noise diode configuration (see Section 1.6. The other choices for this routine are the duration of the scan, the record dump time, and the number of ``loops" or scans to take. Details, and options, for the Doppler correction routine, are given in Section 1.7.