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  • nenuadwani
    nenuadwani

    @nenuadwani-pb4lOD • Oct 24, 2010

    causal systems are the systems which give the output based on the previous and present inputs. these systems do not have output dependency on the outputs after a specific time interval and this time interval depends on the system requirements.

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  • d_vipul
    d_vipul

    @d-vipul-wP6Syg • Oct 25, 2010

    Hey all,

    where it is used????? and why?????
    Please some one tell me..............

    Regards,
    VIPUL

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  • arjuna
    arjuna

    @arjuna-tZoDLJ • Oct 25, 2010

    it is used....in signal processing.... analog or digital...
    u take example lpw pass filter....go through it...u'll...get ur answer... 😀

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  • d_vipul
    d_vipul

    @d-vipul-wP6Syg • Oct 26, 2010

    Thanks......

    Regards,
    VIPUL

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  • Munguti
    Munguti

    @munguti-MnxkmE • Oct 26, 2010

    nenuadwanicausal systems are the systems which give the output based on the previous and present inputs. these systems do not have output dependency on the outputs after a specific time interval and this time interval depends on the system requirements.

    In Causal systems the output at a discreet time n1 depends on present inputs(at n1) and past inputs(n<n1) but not future inputs(n>n1). This might confuse you but you should realise that some sytems work on stored data and hence at a specific time they know what the future input will be.

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  • nenuadwani
    nenuadwani

    @nenuadwani-pb4lOD • Oct 27, 2010

    how are these systems used in signal processing

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  • Munguti
    Munguti

    @munguti-MnxkmE • Nov 3, 2010

    Digital filters that are not real time, speech sythesis, speech recognition

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