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Bandpass Filter "Ringing"

We are using a 4th order Bessel bandpass filter on a signal where we want to measure the level of a 4800Hz signal and suppress any other noise. The low F cutoff is 4500Hz and the high F cutoff is...

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2D picture stacking

Hi, I currently have a 2D image I can can capture with the SNAP.vi and effectively turn it into a 2d array of grey scale intensities. How would I stack a large number of these arrays to create a 3D...

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how to build an Boolean array?

I've a Boolean in a while loop which is alternating "true, false, true, false… ". How can write them into an Array like "1, 0, 1, 0…"? Thanks.

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print front panel

Hello!I need to print the front panel when the user press a boolean button "Print" , the front panel contains text and graphsPlease any idea how to do this Thank you in advance 

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give a label to plots

Hello!I have a multiplots XY graph and I want to give a label to each plot, the labels names are in the first row of the 2D array, the first column corresponds to X axis values, You will find attached...

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vibration signal

Hi, I have a problem about vibration signal in LabVIEW.I have a series of vibration signal(data), and I use these two icons in the picture below, trying to convert my vibration signal into samples in...

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Calibrate DMM PXI-4065

Hello,i was looking for a way to calibrate my DMM, i find this doc www.ni.com/pdf/manuals/374460d.pdf they use Fluke 5700A, but i don't have it, can I calibrate my DMM using only LabView?Thank you guys

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International monospaced font?

I'm from the US, and for years, Courier New has been my go-to monospace font if I need multi-line strings to align, or fixed-width strings to exactly fill a control/indicator (e.g. console-style...

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Exécuter une commande sur un autre logiciel

Bonjour à toutes/tous, Mon problème consiste à exécuter une commande sur un autre fichier en cours d'exécution depuis LabVIEW : j'arrive à ouvrir le logiciel (acquisition d'image) avec LabVIEW  et...

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Difference between NI myDAQ and NI 9184 chassis

Hello, i have used a platform to acquire current and voltage of a PV cell and vary gate-source  voltage to sweep across the I-V curve  using a NI myDAQ. Now i am using the same platform but this time i...

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GPIB Receive with Unknown Mode or Count

I am talking to a serial device using GPIB Send and Receive.  My problem is that I never know the last character or the length of the data being read.  The last character is based on a checksum, which...

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Create and Application executable

Hello, I have a LabVIEW program written by someone else that I want to create an application executable for.I have created a .exe before of a simple LabVIEW program written to read from/write to PLC...

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Send double type using ZeroMQ

Dear all,I would like to ask about the ZeroMQ library. I am currently using it to transfer numbers as a "string" type but I can't find how to send it as integer or double. Since there is a huge amount...

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IMAQ HOG feature vector

 A quick question about the HOG feature vector output. I used the default 9 bin. I set the Grid Size to be 50 X 50, and the result vector size is 22500. The image size is 250 X 250. I have a hard time...

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LabVIEW Driver for Chemyx OEM Syringe not working

When I run the basic and advanced examples from this. I get an error: I am using the correct baud rate (38400) and port because I am able to connect with it through their start/stop vis. It looks like...

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Combo Box Typedef does not Auto-Update

I have a combo box typedef that I place around on my diagrams that I'd like to update frequently. However, it doesn't auto-update - I add new items to the typedef, "apply changes" and save and the...

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Adding Time to DAQ Assistant data output

I am currently collecting thermocouple data from DAQ Assistant, and am using the 'write delimited spreadsheet' block to output this data to a csv file.  The data has 16 columns (for 16 different...

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Front panel print does not fit page

I am updating an old software (was originally written is LabVIEW 5.1) that prints several front panels of VI’s to the default printer.  Each front panel print properties is set to print at the end of...

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Is it possible to control a case structure by the boolean output itself?

I have built a case structure and I use the boolean output to control itself. Is it possible?

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How to set the sample rate of NI 9224 to high speed mode

Hello,everyone!Ihave a NI 9224,its maximum sample rate is 1KHz,and NI cRIO 9031.Then how to make NI 9224 run in the sample rate of 1KHz.The following picture is what I have did,but its sample the is...

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