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Help! Does someone know how to use Sink calculator to ....

Question asked by twong on Jan 21, 2005
Latest reply on Jan 28, 2005 by mschif

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Hello! everybody

I got a question here need you help.

Does someone know how to use Sink Calculator to generate
a Water-Fall diagram. (that is BRE vs. Eb/No) for BPSK

I have attached my 2004_1201_004.txt file.
please rename its extension name to .svu

Thank you for your help.

Kenny

[file]2004_1201_004.txt[/file]

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2004_1201_004.txt36.2 KB

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skratzet Jan 24, 2005 10:53 AM
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Kenny,
When I downloaded your file and renamed its extension to .svu I got a message â€¦file may be corrupt. The User Forum has been updated today to accept .suv extensions, so please re-post your example file.

Application note AN107c has 5 examples of how to do BER (Bit Error Rate) simulations in SystemView. It can be found on the Elanix web site and on your hard disk at the following locations:

http://www.elanix.com Support, Application Notes

C:\\Program Files\\SystemView\\AppNotes\\an107c

The Waterfall selection button is underneath the Sink calculator, Style, BER Plot button, but I am not sure of how to apply the Waterfall plot to a BER test. Maybe you are referring to the â€œwaterfall regionâ€
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rwu_001 Jan 28, 2005 8:03 AM
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Hi~~ Stephen :o

I am Robert. Kenny and I are the same senior project team in
the University. we are working in the same problem.

I have attached the file again.
Hope you can run it in your computer....
We are really appreciate your help.

Also, I am going to download the examples files you mention about
before since I don't see the examples file in my
C:\\Program Files\\SystemView\\AppNotes\\an107c folder.

thank you so much~~

Robert_Wu

[file]2004_1201_004.svu[/file]
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mschif Jan 28, 2005 8:19 AM
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HI,

Read the AN107c AP note closely. Your system as many, many (sorry)
errors.

1) why is there an rrc right after the PN is put on the 10 Hz carrier.
The RRC is a low pass filter.

2) The input to your BER tokens is just the I andQ signal. This is NOT
correct!. One input is the recovered data, the other is the origninal data with the proper group delay.

Good Luck!
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