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**introduction.tex
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l.1 \chap
          Introduction
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l.3 \sec
         Current radioastronomy problems
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l.4 
    
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l.9 ...quency allocation table was created. \fnote
                                                  {\url{http://www.ukaranet....
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l.9 ...y allocation table was created. \fnote{\url
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l.9 ...ttp://www.ukaranet.org.uk/basics/frequency_
                                                  allocation.htm}} Radio-fre...
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l.9 ...net.org.uk/basics/frequency_allocation.htm}
                                                  } Radio-frequency allocati...
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l.9 ...et.org.uk/basics/frequency_allocation.htm}}
                                                   Radio-frequency allocatio...
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l.10 
     
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\teni frequencyallocationtabletablecontainsspecialbandsallocatedtoradioastronom
yuse:However; formanyreasonsthesebandsarenotcleanenoughtobeuseddirectlyinradioa
stronomyobservations:Asaresult; wecannotworkinthesamewayashadtheradioastronomer
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grounddetectionorpulsardetection; cannotbenowadaysrealisedintheiroriginalformsw
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l.19 \sec
          Modern Radio astronomy receiver
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l.20 
     
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l.25 ...w astronomical discoveries possible.\fnote
                                                  {Most of astronomy-related...
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l.31 \secc
           Observation types
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l.35 \begitems
              
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l.39 \enditems
              
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l.43 \sec
          Required receiver parameters
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l.44 
     
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l.47 \secc
           Sensitivity and noise number
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l.51 \secc
           Dynamic range
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l.54 ... bit depth using a following formula  \ref
                                                  [dynamic-range]
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l.56 \clabel
            [dynamic-range]
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l.61 The formula \ref
                     [dynamic-range] gives values shown in table  below \ref...
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l.61 ...e] gives values shown in table  below \ref
                                                  [ADC-dynamic-range].
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l.63 \midinsert \clabel
                       [ADC-dynamic-range]{Dynamic range versus bit depth}
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l.64 \ctable
            {cc}{
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l.65 \hfil ADC Bits	&
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l.65 \hfil ADC Bits	& Dynamic range [dB] \cr
                                            
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l.66     8 &
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l.67     10 &
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l.67     10 & 	60 \cr
                     
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l.68     12 &
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l.69     14 &
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l.70     16 &
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l.73 \caption
             /t Standard bit depths of ADC and its theoretical dynamic range.
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l.79 \url
         {http://observatory.microsoftspectrum.com}
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l.83 \secc
           Bandwidth
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l.87 \sec
          Current status of receivers digitalization units
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l.88 
     
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l.91 \secc
           Custom digitalization system
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l.94 ...m developed by Astron in Netherlands. \url
                                                  {http://arxiv.org/abs/1305...
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l.98 ...many similarly sophisticated devices. \url
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l.98 ...tp://www.astron.nl/other/desp/competences_
                                                  DesApp.htm}
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l.98 ...tron.nl/other/desp/competences_DesApp.htm}
                                                  
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l.100 \secc
            Modular digitalization systems
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l.102 ...t. It is being developed at Berkley  \url
                                                  {https://casper.berkeley.e...
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l.102 ...rl{https://casper.berkeley.edu/wiki/Main_
                                                  Page}. CASPER is in develo...
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l.102 ...tps://casper.berkeley.edu/wiki/Main_Page}
                                                  . CASPER is in development...
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l.102 ...theirs ideas are summarised in paper \url
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l.102 ...atively high pricing (around 40 USD) \url
                                                  {http://www.digikey.com/pr...
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l.103 
      
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\teni DOK \tenrm + \teni connectorsfamily:Z \tensy ^^@ \teni DOKconnectorshaver
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l.104 ...rently uses multichannel sound cards \url
                                                  {http://fringes.org/} or s...
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l.104 ...mateurs are usually non reproducible \url
                                                  {http://wwwhome.cs.utwente...
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