- This topic has 42 replies, 11 voices, and was last updated 8 years, 7 months ago by Rajguru M. Mohan.
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April 14, 2016 at 5:10 pm #36785deepak jhaParticipant
Hi all,
For analyzing bit sequence along the transmission link in my system design I make use of optical time domain visvalizer (OTDM) along the channel as one after MZ modulator,one after 100 km single mode fiber,one after Dispersion compensation module (DCM) however the
sequence shown after (DCM) has some missing initial bits..Thanks and Regards
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April 14, 2016 at 5:15 pm #36786deepak jhaParticipant
Hi all
Can this be a delay problem ?
Thanks and regards
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April 17, 2016 at 4:49 pm #37660FAYIQA NAQSHBANDISpectator
HI DEEPAk..
Refer to following links.. Thse will definitely help you in a good way.
Regards
FAYIQA
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April 14, 2016 at 10:58 pm #36793nagesh kuknoorParticipant
Hello Deepak,
If your time domain visualizer is missing some bit this means that it is not getting transmitted at first place. Your system has then enough dispersion due to which this happens.
What is the fiber length you are using?Thanks
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April 14, 2016 at 11:00 pm #36794nagesh kuknoorParticipant
and yes if is due to delay then you may have to use multiple iteration to visualize. Any bit can’t go missing becuase of delay. Logically it will be delayed only.
Thanks
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April 15, 2016 at 12:35 am #36831shafeen al yasinParticipant
Hello Deepak,
I partly agree with Nagesh. Can’t you use any other visualizer for visualizing your bit sequence?
I think we have binary bit sequence visualizer yet i am not sure. You check the visualizer library i have a slight idea about it. I hope it will help you.Regards
Shafeen-
April 15, 2016 at 12:55 pm #36921Domail SinghParticipant
Hello Shafeen,
I agree with you. Your answer seems to be more apt. I hope this will help you.Regards
Domail-
April 17, 2016 at 5:34 pm #37685shafeen al yasinParticipant
Hello Domail,
Thanks for the appreciation.Regards
Shafeen
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April 15, 2016 at 1:33 am #36838Manoj KumarParticipant
Hello Deepak,
I agree with nagesh,if your time domain visualizer is missing some bit this means that it is not getting transmitted at first place.It has been said very rightly that your system has then enough dispersion due to which this happens…
Regards
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April 15, 2016 at 12:53 pm #36920Domail SinghParticipant
Hello Deepak,
I agree with Shafeen you can use binary bit sequence visualizer. I hope it will help you.
Regrads
Domail -
April 16, 2016 at 5:06 am #37136jyoti rainaSpectator
hi deepak sir..
it was already posted on optiwave about the problem..trying checking that thread it will help..i remember..With regards
jyoti -
April 16, 2016 at 5:12 am #37141deepak jhaParticipant
Hi Jyoti,
Will surely try to look into it…
Thanks and regards
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April 16, 2016 at 5:14 am #37143deepak jhaParticipant
Hi all,
Thanks for your responses… Really appreciate your concern
Regards
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April 16, 2016 at 1:40 pm #37233nagesh kuknoorParticipant
Hello Deepak,
You are welcome -
April 17, 2016 at 1:57 pm #37538Domail SinghParticipant
Hi Deepak
You are welcome.Regards
Domail -
April 19, 2016 at 3:07 am #38281FAYIQA NAQSHBANDISpectator
HI DEEPAK..
You are welcome anytime..
Regards
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April 16, 2016 at 5:35 am #37159Ankita SharmaParticipant
Hi Deepak,
I also seem to agree with with Shafeen here as you can use binary bit sequence visualizer. I hope it will help you…
Regards
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April 16, 2016 at 5:51 am #37169Remo De SuzaParticipant
Hello Deepak.
I think this topic has also been discusses. For your convenience i am attaching the link. I hope it helps you.Regads
Remo -
April 16, 2016 at 5:53 am #37170Remo De SuzaParticipant
Here is the link. Please refer to it.
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April 17, 2016 at 2:00 pm #37539Domail SinghParticipant
Hello Remo
Thank you for the link. It must help Deepak for sure.Regards
Domail
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April 16, 2016 at 6:02 am #37176Ankita SharmaParticipant
Hi Remo,
Yes the link provides a detailed discussion on the topic…
Regards
Ankita-
April 16, 2016 at 6:48 am #37195Remo De SuzaParticipant
Hi Ankita.
You are welcome. Cheers.Regards
Remo
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April 16, 2016 at 7:54 am #37208Rajguru M. MohanParticipant
Hi deepak,
I suggest you to please visit the following links to get your problem be solved .
You shouls refer to optisystem tutorial to understand the operation of OTDM and follow the instruction because there is
difference between the compression stages were some parameters such as Bit rate at the PRBS Generator and the Delay at the Time Delay compon, as when the data stream is externally modulates a periodic stream of narrow pulses.
Because the bit interval is T, the separation between successive pulses is also T.
So, first we have to reduce the interval between successive pulses to T2, a high- rate multiplexed signal. This is done by passing the initial sequence through a series of compression stages.
The links are https://optiwave.com/forums/topic/optical-time-domain-visvalizer/Regards, Rajguru
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April 17, 2016 at 2:02 pm #37541Domail SinghParticipant
Hi Rajguru
Thank you for sharing the info. It shall be very useful to Deepak. Hope it helps him.Regards
Domail -
April 17, 2016 at 5:42 pm #37691shafeen al yasinParticipant
Hi Rajgguru,
Thank you for the links and other valid info. I appreciate your efforts.Regards
Shafeen
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April 16, 2016 at 1:42 pm #37234nagesh kuknoorParticipant
Hi All,
I think Rajguru has provided with some vital information regarding OTDM. The link is also very helpful and should help Deepak.Regards.
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April 16, 2016 at 2:57 pm #37261Remo De SuzaParticipant
Hi Nagesh,
yes i agree. It must be helpful.Regards
Remo -
April 16, 2016 at 3:38 pm #37275Ankita SharmaParticipant
Hi RAJGURU,
Thanks for the information…
Regards
ankita… -
April 16, 2016 at 4:23 pm #37305deepak jhaParticipant
HIA All,
Thanks for the information provided…. Very valuable suggestions indeed..
Regards
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April 16, 2016 at 4:25 pm #37307Manoj KumarParticipant
Hi Deepak,
A very useful information provided by Rajguru regarding OTDM….. Hope it helps you..
Regards…
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April 17, 2016 at 2:52 pm #37565deepak jhaParticipant
Hi Manoj,
Yes it infact did help…
Regards
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April 17, 2016 at 3:08 pm #37574Domail SinghParticipant
Hello Deepak
I am glad that it helped and your confusion is clear now.Regards
Domail -
April 17, 2016 at 3:28 pm #37589deepak jhaParticipant
Hi Domail,
Thanks for your concern..
Regards
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April 17, 2016 at 3:48 pm #37623Domail SinghParticipant
You are welcome Deepak
Regards
Domail
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April 17, 2016 at 4:00 pm #37633Manoj KumarParticipant
Hi Deepak,
Nice to know that you got the desired help…
Regards
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April 17, 2016 at 4:51 pm #37662deepak jhaParticipant
Hi Manoj,
Thanks for the concern..
Regards
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April 17, 2016 at 5:38 pm #37688shafeen al yasinParticipant
Hi All,
I hope it has helped Deepak immensely.
Regards
Shafeen -
April 17, 2016 at 6:22 pm #37719Rahul TiwariParticipant
Hi Deepak,
Hope you got the desired help on the forum…
Regards
Rahul Tiwari -
April 19, 2016 at 3:31 am #38293deepak jhaParticipant
Hi Rahul,
Thanks for the concern… Really appreciate your concern…
Regards
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April 19, 2016 at 3:34 am #38296FAYIQA NAQSHBANDISpectator
HI DEEPAk..
Hope this has helped you.
Regards
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April 19, 2016 at 3:46 am #38301deepak jhaParticipant
Hi Faiqa,
Yes indeed it has helped..
Regards
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April 19, 2016 at 3:48 am #38302deepak jhaParticipant
Hi all,
Thanks for you concern..
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April 20, 2016 at 2:31 am #38370Rajguru M. MohanParticipant
You are most welcome Doamil singh and Shafeen
rajguru
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