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convolution

Hii I am facing problem with 1D convolution .I am convolving two 1D array of size 1024 but  the result I am getting is of size 2047.How to get rid of this or How to  delete specific extra samples that...

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Labview myRIO simple Audio Input to Audio Output exercise

Hello, This may be a very simple question but it is my first time on Labview and I am having a lot of trouble. I am trying to plug a speaker into the Audio Out of myRIO boad, and connect the audio out...

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How can I run ELM 327 OBDII using labview to log data?

I have ELM 327 OBDII and I downloaded the code provided on this website to read car details on LabView but. I could not run the program because it gave me errors ... I need a solution for my problem...

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LIFA for Arduino DUE

Hi! I have the Arduino DUE and I wish to connect with Labview, but I didn't found a LIFA compatible with Arduino DUE. Can you help me? You know other form to connect with Labview? Thanks!

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Interacting with a compiled LABView executable from another VI

I'm using a piece of hardware that has it's driver executable written in LABView. I would like to interact with it from the inside of my own VI. There's no dedicated LABView driver and I don't have...

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Real time VI just runs once when using FIFO (Labview FPGA)

Hi guys. I am wrestling with simple problem, I have NI 9211 on my cRIO chassis (9014). I want to collect tempreture data with high frequnecy (let's say 2000 Hz). I have couple of question: 1. searching...

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Lock-in amplifier VI to sideband

Hello, I have a quesiton about modifying the lock-in VI shown here:  http://www.ni.com/example/29532/en/. I saw some threads that discussed a similar problem, but there were no clear answers.   We have...

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Odd problem with running Nonlinear Curve Fit VI with two while loops

In the attachment you can find a very simplified version of the program I develop at the moment with LabVIEW Version 13.0f2.I use the “Nonlinear Curve Fit VI” to fit a function to some data in my main...

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long term discontinuous logging DAQ-assistant

Hello, I need to log information of load cells (NI9219) and strain gauges (NI9237) with a compactDAQ 9178. This logging will be discontinous. Let's say 10 minutes logging and 50 minutes nothing...

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Does an object already exist

Is there a straightforward way to determine if an object of a specific class has already been instantiated?  I'm looking for some kind of LV primitive or function that would take the name of a class...

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Is LabVIEW limited in the amount of memory it can use during development%3F

I have a PXI test set, that uses a PXI-8106 Controller using Windows XP Pro. I'm maxed out on my RAM at 4GB, but I having issues where LabVIEW report broken vi's, depending on the number of vi's I have...

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RT - PID Gains - where and when to use them

The attached is example code for controlling a temperature chamber. The question is where and when to use PID Gains? This code looks as though the PID Gain is used for the variable/parameter...

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Index from matrix

I'm using the Read From Spreadsheet File VI for reading a textfile which contains a 52x49 matrix with numbers from 1-100. I want to find the index of the rows and columns where the number 5 are...

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{Pretty Hurry!} Append to a text file

Hi guys! I am new to the program and am trying to learn how to use it. Here's my problem, I made a temperature sensor, and got some data from NI my DAQ, but I dont know how to append the system date...

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Internet Explorer Remote Panel Error: DWarn 0xD8043CCD "could not select bitmap"

A colleague of mine had an unusual error occur today with a remote panel of an RT application I wrote. The error log and dmp files are attached to this post. This is an existing application that has...

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HP 3458A Config ACV vi...how is the sample method selected ?

I am working with the HP3458A Config ACV.vi which states in context help "there are three different ways to sample the AC voltage data. You may chose one of the three conversion methods...". Looking at...

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Archivo TDMS

Hola, tengo una pregunta, estoy adquiriendo datos de un proceso en tiempo real, estoy guardando esa informacion en un archivo TDMS, cada 5000 mil muestras quiero guardar el archivo y que se cree un...

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Understanding the Invoke Node

In the past, to create some organization, I would create some VIs and then call them from other VIs just by running it as a sub VI where I might pass it a value and the Sub-VI might return a value....

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Debugging classes

I just started working with LabVIEW OOP and I think I must be missing something about how to debug classes. I can't put breakpoints or probes in class method vis, and I can't step into them. Do I have...

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LabVIEW 2012 has radio button for default boolean control

Using LabVIEW 2012 SP1 at a customer site.  Whenever I create a boolean control or indicator by right-clicking and selecting "create", the annoying radio button appears..  Yeah... the one in the image...

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