Analysing and generating a signal

Hello,
I am using NI Multisim 13.0.I want to generate a signal similar to the one shown in the attachments acquired using labview which is the output of a phototransistor.The output image contains 10 signals each contaning each acquired by using 1k samples and below freq images shows freq components only 1 signal of 1k sample.From the images it can be analysed that it has DC volatge of 2.6V but I am confused as it contains different frequenices and most(very high number) of the frequencies are lying below around 1Hz and some are lying at around 135 and others at 275 to 300 and very less number of other frequency components.
What all things to be taken to generate these kind of freq's and How to add these different kind of frequencies to the DC component so as to generate the signal that will be same as in the shown image.
I want to genearte this signal in multisim as this will used as a input for designing the filtering stage in multisim.
Thanks.
Solved!
Go to Solution.
Attachments:
Generate_signal.pdf ‏174 KB

Hi Tien P,
I am trying to read the samples in .LVM (that are saved using 'one header only while' writing into .LVM file) that has samples for more than 1 sec duration since 1sec duration has 1k samples so more samples will be there for more than 1 sec as shown in the attached file.But When I am trying to read this into the multisim uisng LVM voltage source it only showing 1 sec samples waveform (as shown it the attached image)and after that it is not plotting anything but it is supposed to plot the as many samples that are in the .LVM file.
Can I know how to read all the samples form the .LVM file.
Thanks.
Attachments:
unable_to_conts_samples-LVMfiel.JPG ‏92 KB
contsamplesheader1.txt ‏645 KB

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Thank you for your help, Peter!
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I am using a DAQ board to get the singnal now i need to perform frequency analysis and this system doesn't employ any filters etc it's just a signal

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Whether could I generate one AC signal and acquire one DC signal and one AC signal together using NI myDAQ?

Dear Sir:
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duplicate post
Don't create a new thread. In the thread above, you asked for someone to review your code but you did not post a modified VI. Your original one is obviously wrong as I noted.

Generat two signals at the same time and reading voltage

Hii
i have try to generate two signals at the same time and read voltage from another port on the board(not have to be at the same time), i have not alot of expriens in labview
and i based my code of example(http://zone.ni.com/devzone/cda/epd/p/id/5197) from yours site and try to suit to my needs
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the exception-
Possible reason(s):
Specified route cannot be satisfied, because it requires resources that are currently in use by another route.
Property: RefClk.Src
Source Device: Dev1
Source Terminal: 10MHzRefClock
Required Resources in Use by
Task Name: _unnamedTask<0>
Source Device: Dev1
Source Terminal: None
Destination Device: Dev1
Destination Terminal: RefClock
Task Name: _unnamedTask<1>
eyal

sorry...
The AO tasks is very important they will be synchronize ,it is very importent the two tasks will start at the same time
and after it run at synchronize mode i will need to make reading of voltage
i gust try to make simulation of machin (i give that machin AO and reading from it voltage that all)
first of all i make the two signals(synchronize signals).
and after it i will need to reading voltage.
i can make two signals synchronize together.
i can make reading voltage
but i can't make two signals synchronize together with reading voltage
it throw to me this error message.
i am looking for away to figer this out.
thank's for any help
eyal
Attachments:
test11.vi ‏130 KB

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Attachments:
LVM export.PNG ‏46 KB

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ABC analysis and MC40

hi-
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Thanks

Thanks for the response.
MICN is the only one that can update the indicator used for cycle counting.
Once MICN updates the Cycle count indicators, can i then go into MC40 or similar T-code, select the range of materials or material types for the BOLTS in the input screen and make a change on the CC indicators manually to D ( annual count)?
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best regards,
Pierre Gelli
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Payroll and Human Resources Management
72-78, Grande Rue, F-92310 SEVRES
phone : +33 1 41 14 86 42 (direct) +33 1 41 14 85 00 (reception desk)
fax : +33 1 41 14 85 99

Hello,
It would be good if one could do some performance analysis and monitoring of
a Forte application at production time.
By performance analysis I mean measure the time some selected methods take
to return. In a CS application such a method would be some selected method
of a key remote service representative of the application's activity.
One would like to mesure the min, max, average time, and also give a
threshhold which when reached will automatically generate an alarm or some
pre-defined processing.
The most powerful way would be to use a SNMP application through a Forte -
SNMP gateway. (see the G. Puterbaugh paper "Building a Forte-SNMP gateway"
in the 96' Forte Forum proceedings).
But before going that far some simple means accessible through EConsole
would already be great.
A collegue of mine when to that Forum and reported that Puterbaugh said that
such an agent is currently missing, but that its implementation is not
difficult.
I looked at all the agents and their instruments. I came to the following
conclusions :
1) instrumented data are available at the granularity level of a partition,
not at a smaller granularity. For example, the DistObjectMgr agent gives you
very useful information : the number of events (sent/received) and the
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2) there is no instrumented data related to processing time.
This leads me to the point that no information observed by the standard
agents help me figuring out my performances. Thus I have to add at
development time some lines of code to the methods I potentially want to
observe later at production time to generate the appropriate information a
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Does someone share this position ?
Has someone implemented such an agent and assotiated means ?
PS: I will probably implement my own one if no other way around.
best regards,
Pierre Gelli
ADP GSI
Payroll and Human Resources Management
72-78, Grande Rue, F-92310 SEVRES
phone : +33 1 41 14 86 42 (direct) +33 1 41 14 85 00 (reception desk)
fax : +33 1 41 14 85 99

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How to generate a signal like this on PCI-6202 DAQ card

I want to generate a signal like the one in the attached picture.
Which have inputs like
1. Frequency
2.Duty cycle
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Attachments:
singal_co2_laser.png ‏12 KB
gen_digital_freq_duty_noofpuleses.vi ‏21 KB

I can direct you to this forum post as an example and see if it helps you out. It seems very similar
http://forums.ni.com/t5/Multifunction-DAQ/how-to-generate-digital-signal-from-PCI-6221-like-the-one-...
Rob W.

Analysing and generating a signal

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