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http://www.naic.edu/~phil/rfi/sat/gnss_rfi_1200_1300Mhz.html.
http://www.naic.edu/~phil/rfi/sat/gnss_rfi_1200_1300Mhz.html.
1. lbw
... the average spectra was computed for each band. the rms/mean by channel was computed for each band. ... The rfi mask was used to compute the total power for each band. ... interim correlator 9 level sampling, 1 second spectra, 25 Mhz bw, 1024, centered at 1385. take data for 4200 seconds. rms/mean computed over the 4200 seconds and then a mask was created using a linear fit to rms/mean. total power was computed using the above mask. the spectrum of the total power was also computed. ...
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Ссылки http://www.naic.edu/~phil/lbw/scansep10/scanlbw_sep10.html -- 9.1 Кб -- 30.09.2010
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2. http://www.naic.edu/~astro/Links.shtml
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Ссылки http://www.naic.edu/~astro/Links.shtml -- 1.2 Кб -- 01.10.2012
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3. http://www.naic.edu/~phil/mbeam/hipass.pdf
... 2.3 Data acquisition Spectra generated by the Multibeam correlator contain the usual structure seen in spectra from other H i instruments: a bandpass spectrum which is the sum of the sky , ground and receiver temperatures multiplied by the product of the filters in the receiver chain; superimposed on this is a noise ... Note also that sources extended much beyond ,40 arcmin can be imaged poorly in HIPASS images because of the bandpass sidelobe effect described in Section 3.3. ...
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Ссылки http://www.naic.edu/~phil/mbeam/hipass.pdf -- 370.1 Кб -- 14.03.2003
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