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http://www.naic.edu/~phil/td/tension/tdtensionVsAzZaTemp_2010.html.
http://www.naic.edu/~phil/td/tension/tdtensionVsAzZaTemp_2010.html.
1. rotaPlatToSky
... The path of the dome will now follow a different track in focus. ... The dome was set to 19.6 degrees. ... Focus curves taken with sbn (.ps) ( more info ) show the offset (in inches) from the the platform reference position (1256.22 feet). ... Moving the ref ch position from 8.84 to 18 degrees will raise the platform corner by .7 inches.7 platform inches is 1.7*.7 is 1.2 tie down inches of stroke .7 platform inches is 3.5 degrees F. The path length will increase by .1 in (za=2) to .8 inches (za=20)....
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Ссылки http://www.naic.edu/~phil/optics/rotations/rotVsChMotion.html -- 8.2 Кб -- 18.04.2007
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2. 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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