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27.5 mini test 5 My current (1)
researches are / research is concerned with blind signal processing, (2)
that / which is, manipulating or extracting (3)
information / informations from (4)
any / some kind of signal without (5)
to know / knowing the system,
or the physical process, through (6)
that / which the signal has passed before (7)
to be / being sensed. In mathematical terms, this is a very difficult problem, (8)
that / which can be solved by (9)
to use / using just two basic tools diversity and statistics. In the last few years, I have been treating frequency diversity. My main objective is
(10)
extracting / to extract only those maps (11)
that / which are related to astrophysical radiations 1. research is
2. that
3. information
4. any
5.
knowing 6. which
7. being
8. which
9. using
10. to extract
11. that
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