Construction of a wave of fishing without Express/Signal Processing Pallete

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• With the help of modulated signal pulse width (square wave) to control when a signal is enabled or disable

  With the help of modulated signal pulse width (square wave) to control when a signal is enabled or disable

  Hello all

  I am using a modulated signal to labview created pulse width (square wave) to control when a signal is activated or not.

  Here is my logic and a concrete example:
  (1) the wave source signal is continuous
  (2) use a PWM (square wave) created in labview to control when the signal is enabled or disabled
  (3) if the PWM (amplitude) signal is superior to 0 play signal PWM is not greater than 0 do not play signal.

  I use actually this to the sequence step / pulse several distinct magnetic coils using my audio card (which has several channels of audio output), I have a signal in labview played constantly.  As to compare it to the PWM (square wave) which controls whether or not the signal is played on each separate channel.  That way I can control which coil is on and offshore and in what order they are activated.

  I couldn't find an edge detection for a square wave created in labview, so I tried the limits, but it doesn't seem to work unless I change the phase manually and it only goes 1-1.  I'm just trying to compare the PWM (edges of the square wave) already created by labview / play a signal if the pulse is greater than 0 and it shuts off the signal, if she is less than 0.

  Should I do this another way

  TIA

  A waveform contains an array of values. You must check every value and respond accordingly:

  

• Change the factor of market of a wave square on labview express

  Hey everybody,
  I use a USB X series Multifunction DAQ model 6361 with labview signal express 11 under windows (version 9.3.5) and I want to know if I can change the use of a square wave.  I need to have an impulse to the duty cycle of 75% and another 25% or something in that sense.
  Thank you!
  Adam

  You posted on the Board instead of the jury SignalExpress LabVIEW. LabVIEW is the programming language used to create the SignalExpress application. Not too many users SignalExpress hang out here.

• Why the extreme to express signal is broken

  I have an Airport Extreme b, g, n, ac cable (ethernet) to my router Verizon Wireless. The router has been updated by Verizon end of last year and works very well. From there, I have an iMac with 802.11 b/g/n/ac cable into the extreme as well. I have a Windows pc in another room wired with ethernet to the extreme as well.

  At the back of my house, I have an Airport Express b/g/n I used to extend my Airport Extreme signal for the past 18 months without any problem. I had problems of signal with the Express and it seems to re-defining the Express worked, but the image of my signal has changed my Airport utility on my iMac. Previously, the signal was solid from the far down to the Express, and the image on my iPhone 6, at the launch of my Airport utility has been broken from the extreme to the Express.

  Now the images are reversed where my iPhone has the solid signal, and my iMac broke the line signal. Someone knows why? It works, but the lines threw me.

  A dotted line between the terminal of the AirPort Express and AirPort Extreme indicates that the Express connects to the extreme by using a wireless connection.

  What do you want?... or... the Express linking to the extreme by using a wired Ethernet cable connection?  If If this is the case, there should be a continuous line between the Express and Extreme.

  What device do you have used when you reset and reconfigured the Express... the iMac or the iPhone?

  Did you completely turn off the iPhone, has waited a minute or two and then he fed up and checked the AirPort utility again this way?

• How to operate an Express-Signal acquisition with the windows cmd.

  Hello

  I try to make a measure of consumption Signal Express. But I want to operate this measure with a command prompt. I don't find the solution in the user manual.

  Do you know if it's possible?

  Thank you

  Thank you very much. We head to Labview, which should solve the problem.

  Kind regards

  François

• Import of lvm to express signal does not lead to consistent data set

  When you import a file of lvm captured in a VI, SignalExpress visualizes as dozens of data points separated rather than a set of waveform data. Anyone know if there is a problem with the way I am that capture/storage of the data, or is - what a questions at the end of SignalExpress with handling data? One of the files of lvm header is shown below:

  LabVIEW measurement
  Writer_Version 2
  Reader_Version 1
  Tab splitter
  Decimal_Separator.
  No. Multi_Headings
  X_Columns one
  Time_Pref Relative

  Thank you

  Andy

  p.s. that's using LabVIEW 8.6 and SignalExpress 3.0

  Hi Andy,.

  I opened file lvm in Signal Express and saw the same thing you knew. I had a look in the file in the header properties and noticed that the number of samples has been set to 1. I've changed that to 1276 like you who have many data points and they are all now showing on one data set. So, it seems that is trying to create a set of data for each data item in the file lvm. Try changing the number of samples in 1276 and let me know if this is the correct waveform, you need to see.

  Kind regards

  Jas.W

• I don't see on the block diagram, click Express - Signal analysis, statistics.

  On the block diagram, I clicked EXPRESS - ANALYSIS of the SIGNAL, then all I get are FAKE and HISTOGRAM. What happened to the rest as SPECTRAL, TONE, STATISTICS, etc. ?

  Thanks ab.

  found my answer here.

  https://www.YouTube.com/watch?v=ujelTtObCm4

• ThinApp'd Microsoft Office 2010 without closing all processes

  I posted this on the Blog of VMware Thinapp, but I wanted to make sure that discussions of VMware had it as well.

  I virtualized Office 2010 with Thinapp 4.6 and all applications seem to run "buglessly" However xxx.dat remains in memory after the closure of all (Office 2010).  I added VBscript code to close xxx.dat on LASTPROCESSEXIT, but the process continues to run in memory.

  The VBscript work without fault of the other Thinapp took packages that I created.  See below:

  Function OnLastProcessExit Set WshShell = CreateObject ("WScript.Shell") WshShell.Run "taskkill /F /IM Office.dat". End Function

  Any suggestions?

  Yes, OnLastProcessExit is called when the last exit of the process. The process can be any process that you started (for example, Word), or a child process. Suppose you launch Word, and Word starts a child process. And then you quit Word, but the child process, which continues to operate. The Word exit action does not trigger OnLastProcessExit, because it is not the last process stops, as the child process is still running.

  Something like this seems to be happening in your case. The fact that you always see a running Office.dat process means that not all processes have left again.

  It would help if we knew what virtual .exe was running. This is dll_dump.exe, it will show what virtual .exe is running. When a virtual application launches a .exe that is stored inside the package, the process will be displayed as Office.dat.

• How can I add music and videos to my MacBook Pro to my Mini2 iPad without the synchronization process remove my existing music and videos?

  I tried to add videos to my 2 my MBP Mini iPad.

  When I hit the sync button, I'm alerted that this will remove the existing music and video on my iPad. How to prevent this?

  Hi Houston1863,

  I understand that you want videos you have on your MacBook Pro to add to your iPad.  Synchronization is a way to do it, but if you've never synced to your iTunes library before, you will get the message that you see.  The first thing I would say is that you back up your iPad if you do not already so.

  Then try a different approach to file sharing between your devices.  It is called AirDrop, and here's how it works:

  Use AirDrop to send the contents of your Mac

  See you soon!

• LabVIEW Express signal

  Hello

  I'm just starting to learn how to use labView: signalexpress and I'm looking for advice on a project.

  I tried to produce a signal in a loop with a "saw-tooth" ramp that lasts for 2 seconds, going from 0V to 1V and is followed by a 1 second pause of stimulation (between two sawtooth ramps). I'd be very happy with the direction of someone who can give me a brief step by step in the production of this specific model.

  Thank you!

  GYepes,

  The signal you want to generate is not a conventional signal, so you will not be able to create the signal directly in SignalExpress.  I would suggest creating an array of points in an ASCII file and then import this set of points in the SignalExpress stage.  Take a look at pages 3-1 to 3-8 in this document for instructions on how to do it: http://www.ni.com/pdf/manuals/373873f.pdf

• Retrieving previous 'Activation' without starting the process again.

  Hi, I have a Dell D600 with XP Home. Motherboard caught fire and is toast! Bought the replacement motherboard used and salvaged from old hard drive with total recovery of the SYSTEM with Virus prog! Strips of old Memo, all works well.
  How 'activate' with MS updates and save all of my existing "legal" stuff? Don't I have a new problem of CPU serial code? I see a number of customer in the 'Properties' window, as before. Is it still valid? Start over from scratch is not an option I want to address.
  I fear more the "on screen" instructions that are completely inflexable and accept no compromise.
  Ideas before 'online' with this machine?
  Have a nice day, Cliff

  If the replacement motherboard is exactly the same motherboard that burned, then you should be OK. However if the motherboard replacement for is different then Windows will report that you have a version not genuine.

  J W Stuart: http://www.pagestart.com

• e/s audio simultaneous with daqmx

  I am trying to perform the processing with LABVIEW Student 2013 and myDAQ for audio generation and the acquisition of audio in real time. The treatment will be to manipulate data of signal pt by pt. It seems that continuous sampling is correct with a polymorphic set of sample single, double. I get a message error "the application is not able to cope with the acquisition. Increase in the size of buffer... ». Increase in the size of buffer delay only the error message. More important still, nothing is written on the channel.

  Attached is my VI DAQmx connected without any signal processing. How to fix my problem and this allows me to perform

  signal PT by pt processing?

  Note: I also tried to build a wave form vi feeding generation, but he ran short of space memory buffer and close. Simultaneous audio input output example vi as well as build a vi waveform produces a waveform table 1 d leaving wondering how process pt by pt.

  Thank you.

  You have configured your myDAQ to sample 1000 points, and then deliver them to you.  I don't know why you change the size of the buffer inside the loop (and cannot see what you change him), but you continue to read of a single sample (over 1000 in the buffer) before calling another reading.  Terribly inefficient.

  Without (yet) how you process the data, why not focus on just get ?  Let your size of buffer to 1000, read 1 channel N samples to get the whole in buffer.  As you are clearly just beginning to learn how to do things, not be so ambitious - simplify your code to do only input analog and get this to work.  Once he does, see if you can replace the analog buffer of 1000 points to analog output (I think the myDAQ can do in the output buffer...).

  Bob Schor

• data acquisition multiple tank fitting: noob question

  Guy

  I want to connect 4 tank mimic DAQ Assistant with 4 current inputs.

  But see vi did I connect the tanks correctly to the DAQ assistant? I don't know where to find the settings to affect tell tank1 current input1 and so on. I don't have the DAQ hardware to test my vi yet.

  Thank you!

  

  Split signals on the Express/Signal handling pallet.

• sine wave vi

  I would like to illustrate the effects of the differences on the amplitude, frequency and phase between two sine waves. I already used the sinus function and works well without phase variations. I tried to use the sine wave as planned in the signal generation VI vi, but I can't find a way to make it work. I tried to use a loop for change the entrance of samples, but does not work. I don't want to use the express vi.

  Anyone out there an idea to share? Thank in advance!

  Ricardo

  

  Have you looked carefully at the example, that I told you about earlier? You can find examples in LabVIEW by going to help > find examples.

  This example uses the VI of sinusoidal waveform to generate sine waves. Just look at the chart of most likely down. Look at the entries to the function and you will see how the sine waves you want do like VI.

• waves in Sin - you are looking for a pro

  Hello
  
  I managed to use a wave of fishing to move smoothly from one clip to another.
  
  I think there must be a simpler way to write this, so if anyone has any ideas, I'd love to hear them. My music video for 'plan' will be used as background that moves with a wave of fishing at different points on my calendar. I am looking for an easier way to move my mc without getting bogged down with code.
  
  In the end, I want to use a wave of fishing for moving my clip of xpos1 ypos1 to xpos2 ypos2.
  
  Ideas? Anyone know how I can do this in a simpler way? As I said, that's how I got it, but I think that there is an easier way to do it.
  
  See you soon,.
  
  P
  
  Here is my code:

  use the animation of fuse. almost any pro now uses this animation for its projects. It's mosessupposes.com. It is very easy to implement. It is a set of custom classes. classes include the animation of a sinusoidal, probably exactly what you want. you have a ton of control and I promise you that you will use for all in the future.