Create the time signal

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• How to create the time dimension?

  Hi friends...
  I'm working on OBIEE since the last 2 months.
  I created a few reports; I don't have the time dimensions in the layer of MDB.
  
  Now, I need to give a few zoom feature in my reports. Almost all of the reports have the time factor.
  As year, month, and day. can I still create the time dimension based on the exercise.
  (1) what is - that I think give the zoom feature in the reports.
  (2) can we have multiple time dimensions in the MDB layer?
  
  
  Thank you very much in advance.

  Toony,

  You can create a time dimension based on the fiscal year, and you can have many dimensions of time within a business model. There is a lot of documentation, of messages and articles about dimensions. If you haven't already done so, check out page 126 of the Server Management Guide and read this article. That should at least help you get started on building your time dimension.

• Create the timer using timestamp

  Hi all

  I control my ups using LabVIEW. I need to create a timer, for example as all morning at 08:00, A comprehensive programme will run.

  17:00 everyday, set B program will run.

  And the next day at 08:00 the whole program A repeats. This will go on and on...

  Someone at - it an idea?

  I have a simple test. but it does not work. Please notify. Thank you!

  Hi Hellotobias,

  try to start using this feature:

  

• create the differential signal of 6289

  Is is possible to create a sine wave of differential on the output of the 6289? And how can I do this.

  I created a differential DC 1V AO0 positive and negatives 1V AO1. Then measured on a differential input ADC signal, which is my DUT.

  Now, I'm cutting the CMRR and wanr to use the DAQ6289 because I don't want to add another piece of equipment for the test plan.

  Any ideas would be appreciated.

  Please take a look at this example to see how to generate out of phase sine waves:

  http://zone.NI.com/DevZone/CDA/EPD/p/ID/5001

  Have a great day!

  Daniel G.

  National Instruments

  www.NI.com/support

• How can I improve the quality of the sound signal tia sal22

  Hello all

  I have a VI that plays an audio signal on a sound card, but the quality is not great in real time when I change it.  I can create the audio signal in mathematica 6 and it sounds good but labview has a few problems can anyone recommend a way to improve the way in which the qualtiy of the audio signal sounds... I need to increase buffers or allocation of memory for labview, if yes, how can I do.

  TIA sal22

  PS I'm using labview 8.2 don't fix 8.5 this problem?

  Hi sal22,

  LabVIEW 8.2.1 (which seems to be the version you're using) automatically manages the allocation of memory up to 2 gigabytes.  LabVIEW 8.5 and later supported the use of up to 4 gigabytes.

  See the following articles in the knowledge base for more information:

  The amount of memory can use LabVIEW?
  http://digital.NI.com/public.nsf/allkb/AC9AD7E5FD3769C086256B41007685FA?OpenDocument

  Using LabVIEW 8.5 - virtual memory extension for 32-bit Windows
  http://zone.NI.com/reference/en-XX/help/371361D-01/lvhowto/enable_lrg_ad_aware/

  Also, I know that some changes have been made to lvsound2.dll in 8.5, the library of your vi uses to produce the sound.  In other words, if it's really a problem of memory, that upgrading to the latest version of LabVIEW can solve the problem.  I can't confirm this for you because my ears are not only very good .  But it's worth a try if you have a copy of available 8,5/8.5.1.

• brand value in the time table with colors according to the selected employee

  Hello
  My question is
  I created the time table for a class for a bit longer want to filter to the time table used.
  
  for example. If I select the emp_id he's from, select the list then this period of teaching should be highlighted time table.
  Please can u help me.
  
  the table name is:-Time_Table
  the columns are:-
  
  EMP_ID
  CLASS_ID
  SECTION
  SUBJECT_ID
  PERIOD_NO
  DAY
  DATE
  
  
  Thank you
  Nisha
  
  Published by: Nisha Rani on September 3, 2009 02:57
  
  Published by: Nisha Rani on September 3, 2009 23:08

  Hi Nisha,

  Try this:

  SELECT
  DY,
  MIN(CASE WHEN LEC_NO = '1' THEN
  CASE WHEN EMP_ID = :P1_EMP_ID THEN '
  ' || SUBJECT_ID || '-' ||emp_id || '
  '
  ELSE '
  ' || SUBJECT_ID || '-' ||emp_id || '
  ' END ELSE NULL END) PERIOD1,
  MIN(CASE WHEN LEC_NO = '2' THEN
  CASE WHEN EMP_ID = :P1_EMP_ID THEN '
  ' || SUBJECT_ID || '-' ||emp_id || '
  '
  ELSE '
  ' || SUBJECT_ID || '-' ||emp_id || '
  ' END ELSE NULL END) PERIOD2,
  MIN(CASE WHEN LEC_NO = '3' THEN
  CASE WHEN EMP_ID = :P1_EMP_ID THEN '
  ' || SUBJECT_ID || '-' ||emp_id || '
  '
  ELSE '
  ' || SUBJECT_ID || '-' ||emp_id || '
  ' END ELSE NULL END) PERIOD3,
  MIN(CASE WHEN LEC_NO = '4' THEN
  CASE WHEN EMP_ID = :P1_EMP_ID THEN '
  ' || SUBJECT_ID || '-' ||emp_id || '
  '
  ELSE '
  ' || SUBJECT_ID || '-' ||emp_id || '
  ' END ELSE NULL END) PERIOD4,
  MIN(CASE WHEN LEC_NO = '5' THEN
  CASE WHEN EMP_ID = :P1_EMP_ID THEN '
  ' || SUBJECT_ID || '-' ||emp_id || '
  '
  ELSE '
  ' || SUBJECT_ID || '-' ||emp_id || '
  ' END ELSE NULL END) PERIOD5,
  MIN(CASE WHEN LEC_NO = '6' THEN
  CASE WHEN EMP_ID = :P1_EMP_ID THEN '
  ' || SUBJECT_ID || '-' ||emp_id || '
  '
  ELSE '
  ' || SUBJECT_ID || '-' ||emp_id || '
  ' END ELSE NULL END) PERIOD6,
  MIN(CASE WHEN LEC_NO = '7' THEN
  CASE WHEN EMP_ID = :P1_EMP_ID THEN '
  ' || SUBJECT_ID || '-' ||emp_id || '
  '
  ELSE '
  ' || SUBJECT_ID || '-' ||emp_id || '
  ' END ELSE NULL END) PERIOD7
  FROM TM_TEACHER_LEC_DETAIL
  WHERE
  CLASS_ID = :P1_CLASS_ID and SECTION = :P1_SECTION
  GROUP BY DY order by dy
  

  As I do not have the structure of your table or any data, I can't test this. Let me know if it works for you

  Andy

• Time capsule and extreme; Cannot create the roaming network

  Problem: when you try to create a network roaming with time capsule and extreme, the wifi hangs and the network is up and down. Here are my deets:

  TC and extreme as well have the latest firmware of the 7.7.7 are the latest generation of products, purchased in the last 12 months

  TC is connected to Arris SB6183

  ISP is Cox North san diego County

  TC is then connected to the netgear GS105. (upstairs)

  NETGEAR GS105 then connects to GS108 (down in the patch panel in the closet of the master bedroom)

  1 x GS108 port connects to extreme

  I can get the stable network and works correctly as long as I don't have connected and extreme.

  I followed the instructions provided by apple in their "how to set up a roaming network.

  I have hard reset the devices apple repeatedly in my attempt to get things to work

  I started a Wan shortly ago at the connected WiFi and that was stable and work for not more than 30 minutes and then it went offline.

  So here I am now. Unable to get back online and stable with two apple devices connected network.

  System was stable and working well before the upgrade to 7.7.7. I had a wifi connected network not a roaming network at the time.

  Any suggestion would be great and really appreciated.

  Thank you

  After screenshots of the TC and AE installing airport utility.

  I suspect that you simply have something set wrong...

  Main error is to use extend wireless when it is connected by ethernet... This will create a loop and bring down the network.

  The two units must be defined to create a wireless network... both must use the same name (SSID) and the same password, but must be set to different channels.

  It is almost impossible in this case crashing the network since the two are completely independent Wireless Access Points... (WAP).

  The TC must be in router mode... EI must be in the bridge (bridge mode off on the network tab.)

• create the pwm with mcc usb signal 2408

  Hi all

  I want to generate a square wave of PWM adjustable frequency and factor market out of my usb usb MCC 2408-2ao module.

  I know thatI could use while loop with a sequence of plate inside to put on and off of a digital output on an ongoing basis and by changing the duration the sequence of flat images and the time between one and another iteration of the while loop I can vary heavy duty and often... but it seems a little tedious to do.

  Is there an automatic way to generate a PWM signal to measure and send it to the output of the USB module in Labview?

  Thanks for all your help!

  
  

• Find the time delay between two signals

  In this code, I sent you a pulse in the acquisition of data using labview. The pulse triggers a thermistor to another analog input input data.

  I want to find the delay between the time of the positive edge of the switch, and the exact time of the DAQ begins to take in the signal of the temperature probe.

  I enclose the code below.

  Thank you.

  Hey,.

  Here is a link to some information about the sources of clock on the FPGA.

  http://digital.NI.com/public.nsf/allkb/94CE338CC80ACF008625791400516BAA?OpenDocument

  Hope this helps

• Measure the time between the ridges of the periodic input signal

  We have built a circuit which is supposed to mimic an Exercycle.  We have an IR switch and a spinning wheel, the rccb meets a comparator circuit and the output of the element of comparison, we have running in LabView.  We successfully were able to measure the number of rotations of the wheel and the total distance travelled by the wheel, but are struggling to measure speed.  We cannot find a way to measure the time between picks in real time, which we could then divide the wheel circumference and calculate the speed in real time.  The VI I posted has a square wave simulated rather than the signal we receive on our circuit.  Thanks in advance for the help.

  Jon and David

  I think you're overloading the things trying to get the time between two pulses.  Instead, you can use the VI Express your measures and select frequency for her custom. Then, you can multiply the circumference of the wheel of the frequency to get the speed.

  I hope this helps.

  -Christina

• When I try to connect directly in multiplayer FSX without gamespy, every time I get an error message saying: unable to create the connection to the host.

  When I try to connect directly in multiplayer FSX without gamespy, every time I get an error message saying: unable to create the connection to the host.

  I need help
  Kind regards

  Thank you very much!

  To host successfully a FSX session what follows is the key enabling

  my client (s) to join my host FSX session!

  "Players Maximum (for a shared together plane 2) leave the locations reserved for friends to 0 set."

  6122 6112 UDP port translation FSX multiplayer traffic of my remote 2 wire gateway to my router Linksys Wireless N DMZ to access game FSX host...

  Only a single router in my configuration of the DMZ, the external network to the router,

  in this case, the 2 wires, had defined port forwarding.

  Am now enjoying Gamespy (R.I.P.) FSX free hosting for my MP FSX sessions via direct connection.

  5 high to the author!

• Time scale does not properly after separation of the two signals of virtual channel

  Hi all

  I have a problem when I use a virtual channel with two analog inputs. I'm cutting the two signals into two separate tables of waveform, as shown in the attachment. The two signals seem to be reading very well, the problem is that the time scale (x-axis) begins to act on the strange. Seconds displayed time seems to keep jumping up and down at a high frequency, resulting in the two signals of displayed does not correctly in the table of waveform. Could someone please try to help me? Any help would be greatly appreciated!

  Thanks in advance.

  Try to acquire a signal with first time information. You can replace the DBL 2D with a data type of 1 d wave. You don't need this code extra silly - just a function of Board Index to get the separate channels.

• time extraction of the digital signal

  Hello

  If I have digital signals from optical barriers and to extract the time (for a body that passes these 2 obstacles) how can I retrieve this day there using Labview.

  THX

  I have chata,

  Thanks for the answer, and I hope that your well.

  Here's an example I've done for a client, eager to discover the time of a flat section of its waveform.

  In your case, you must make a detection of pic on both codes, then less locations and a few x with the number of the sample to get the time.

  Let me know what you think.

  Kind regards

  James.

  PS Sorry code is a bit hasty.

• create the voltage over time

  Is it possible to generate an output voltage on a DAQ 6009 A0? I have a data excel sheet that I put in a 2D array. The voltage is not constant over time. I have problems with the synchronization of the signal. I was able to trace the signal on a chart. This is the same as the original data to excel. I have two data streams. Voltage and time. But after separating the two signals how can I generate the graph?

  
  

• Set up a home network on a Vista computer. Added my XP computer on the network. I can go on the internet but the signal strength is 'very low' 98% of the time.

  I used a d-link WBR-1310 Wireless G router to set up the network on my Vista computer.  On my XP computer, I used an adapter G USB 2.0 Wireless d-link WUA-1340.  Both computers are single room apart and most of the time, the doors are open, so there is no major obstacle to interfere with the signal.  This is my first experience on the implementation of a network and I must admit I was a little unsure of myself.  I don't know if I have some incorrect settings or if the problem may be something else.  It is a WEP secure network but I don't think that's the problem.  My XP computer on the network automatically signs as soon as it starts.  I am trying to download the LLTP from Microsoft on my XP machine, but I don't know if this could be the problem.  I've been struggling with this problem for almost 4 weeks and I'm getting very frustrated.

  PLEASE, I WELCOME ANYONE WITH AN IDEA OF WHAT I HAVE DONE WRONG, TO ANSWER!

  I'm sorry, but I read your post and I do not understand what the problem is you want to solve.  Is something that does not properly?  If so, please give us the details: what you're trying to do, what happens when you do that, the text of the error messages, etc.