Timestamp question

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• Tektronix 3052 b timestamp question

  I think that this question will apply to many, if not all scopes for LabView interface, but it's the one that I tend to use.  I have managed to connect the field of LabView application over the network and can run the demo applications quite well.

  The particular test that I am running is that awaits a coming special trigger, after that is captures 10,000 samples of 1 microsecond increments each.

  If I don't have LabView and export the data file directly, it has a timestamp value that is right; check-in starts at-40 microseconds (that's the point that the scope begins to record the sample) and flows through ten following time milliseconds.

  The time stamp that is acquired by LabView, is however, formatted in this format:

  7:00:00.009 PM
  31/12/1903

  I was able noodles autour with parameters in time waveform diagram time string Date and get the display on the screen to display microseconds by entering a string "6u %" in the time format string string date/time format.  However, there are two outstanding issues:

  1. the string that is exported to Excel ends by displaying the calendar stuff.  No amount of playing with settings in Excel doesn't allow me to reduce the string to a single integer representing the number of microseconds past

  2. the point of departure - t0 - always by default is "0", which means that the data are not aligned to the correct microseconds in the graph of the wave.

  I've seen examples in the online support files, and that's how I got the point of being able to display microseconds.  No one seems to have attacked, however, the problem simply allow the exit number by the scope as "t0" to the passage in the spreadsheet file.  Anyone got any ideas?  There is little for me...

  Thank you

  Danielle

  Thought this might help; the graphic on the screen updates correctly, but the spreadsheet contains too much junk and not in the right format or starting point in time (see attachment)

  You can have any desired accuracy. Just change the format specifier.

  If you don't know what that means, put running context-sensitive help (which you should have any time, in any case), and move your mouse on the entry in the spreadsheet file.

• ODI timestamp question

  Hello
  
  We have a source Date column data type (Oracle 10 g).
  When we used the select date table - the output looks like 17-SEPT-10 08:02:32 '
  
  In the target, the data type of date column is also Date (Oracle 10 g)...
  It's a match one-to-one... after the execution of the interface, if we check the column date 17-SEPT-10 12:00 ', for all records, we get the same format.
  
  
  What could be the problem... the timestamp is not identical to the source, instead we get 12:00 even timestamp for all records...
  
  
  Any necessary changes here... Please let me know.
  
  
  Thank you
  Ananth

  I don't know about you but,
  It there a while we saw a problem with our dates between source and target DB (two 10g).
  When the source, there was HH24:MI:SS filled out correctly, in the target, there was always 00:00:00.
  It produces only when we were loading the data from one server to the other (never when the source and target are on the same server).

  It really looks like your question...

  After some research it seems comes from our JDBC (Thin one) driver...

  To fix this, I add a property in topology whenever I use this JDBC url.
  For each database server I add the following property on the Properties tab:
  Key = oracle.jdbc.V8Compatible
  Value = true

  Maybe you can try with this...

  Hope to help

  Kind regards

  Brice

• Contract HRMS, workflow approval - approval timestamp question is bad

  We have a problem in the system of contract HRMS... possibly as part of workflow.  When a contract is approved tables are updated with the correct time stamp, however when you navigate to the contract and view history approval, the timestamp shown here is exactly 3 hours behind the actual approval time.  I almost suspect something to do with time zones.  I am very new to peoplesoft!  Any help would be greatly appreciated.

  You can check your personal settings for the time zone

• The old TIMESTAMP question on a query

  I have a SQL query
  
  DATE_COL = TIMESTAMP ' 2009-01-30 00:00:00 '
  
  Where the date is generated by a repository with a default initialization variable.
  
  Now in Oracle metalink seem to suggest that we should be able to have a default initialization of DATE 30 January 2009 ' that I tried seemed to work and gave me
  
  DATE_COL = TO_DATE('30-JAN-2009')
  
  However after working once, subsequent changes to the repository caused the TO_DATE to disappear and I found myself with:
  
  DATE_COL = 30 JANUARY 2009"
  
  If someone managed to use the DATE in the default initialization?
  
  
  I'm on OBIEE 10.1.3.3

  .

• When you rename a file change the last timestamp consulted?

  I was in a heated debate with one of my instructors today associated with a test on the access timestamp question when you rename a file. Through my research and testing to rename a file via the command prompt, it does not appear that the process of renaming a file will change the date of that last file access. Access and modify times will change to the directory that contains the file, but not the file itself.  So my understanding is that it is not, however, my instructor insists that it is, can someone shed some light on this topic please?

  Reading material more - it's interesting.

  More information under:

  Windows NT keeps track of three stamps of time associated with files and directories. These three temporal are written in creation, last access, and last. When a file or directory is created, accessible or changed, Windows NT updates the appropriate time stamp.

  http://support.Microsoft.com/kb/148126/a

  NTFS uses the change log to track information on the added files, deleted and changed for each volume.

  http://TechNet.Microsoft.com/en-us/library/cc938919.aspx

  Working with file systems

  http://TechNet.Microsoft.com/en-us/library/bb457112.aspx

• URGENT: Need to flashback table, how to find SNA for quite some time before the update that's happened?

  Hi all

  I have a new database 11G, I haven't used before flashback, but my retention time is a day... I have once the developer did a massive update to a table to corrupt.

  How can I find the RCS for this time so I can try this table of flashback?

  Thank you

  Cayenne

  Thank you.. I also found that it works:

  SQL > select timestamp_to_scn (to_timestamp('20140103152000','YYYYMMDDHH24MISS')) SNA double;

  SNA

  ----------

  98344246

  Although does NOT work all the time. But that's just what Oracle when you give him a timestamp to flashback to: it converts the timestamp of a SNA and then restores the data based on the SNA.

  See table of Flashback in the language SQL doc

  http://docs.Oracle.com/CD/B28359_01/server.111/b28286/statements_9012.htm

  TIMESTAMP CLAUSE

  Specify a value of timestamp corresponding to the point in time to which you want to return to the table. The expr must evaluate to a valid time stamp in the past. The table will flash back to a period of about 3 seconds to the specified timestamp.

  This precision "3 seconds" is because of this conversion to SNA - Oracle uses its internal table.

  YVERT is accurate, if you know, but you typically do not have.

  Read and consider these warnings in app dev guide advanced

  http://docs.Oracle.com/CD/B28359_01/AppDev.111/b28424/adfns_flashback.htm

  Guidelines for Oracle Flashback Query

  • If a potential error of 3 seconds (maximum) is important for Oracle Flashback Query in your application, use a SNA instead of a timestamp. See guidelines on Oracle Flashback technology.

  . . .

  General guidelines for Oracle Flashback Table

  . . .

  • For querying the latest data at a specific time, use a SNA. If you use a timestamp, questioned real time can be up to 3 seconds before the time you specify. Oracle database uses the SNA and assigns them to the timestamps to a granularity of 3 seconds.

  For example, suppose values SNA 1000 and 1005 are mapped on the timestamps 08:41 and 08:46, respectively. A query for a moment between 08:41 and 08:45:59 is mapped to the SCN 1000; an Oracle Flashback Query at 08:46 is mapped to the SNA 1005.

  By reason of this time-to-SNA map, if you specify a time slightly after a DDL (such as a table creation) Oracle database operation can use a SNA which is located just before the DDL operation, causing the error ORA-1466.

  . . .

• Simple question Timestamp

  Why is the output of this give me 12:00?

  Select the double to_timestamp(systimestamp-1);

  I think that if is specified by default the at 12:00 timestamp values.  So, indeed the part "To_timestamp' of my channel is originally the output at 12:00?

  Also how could I get this example to show the actual hours... currently less than a full day... ?

  Thank you.

  Sorry for what may seem like a vague question, any opportunity to learn is what I'm after, and that way I don't have makes a lot of values timsestamp, it seems to be a good opportunity.

  2776946 wrote:

  Why is the output of this give me 12:00?

  Select the double to_timestamp(systimestamp-1);

  I think that if is specified by default the at 12:00 timestamp values.  So, indeed the part "To_timestamp' of my channel is originally the output at 12:00?

  Also how could I get this example to show the actual hours... currently less than a full day... ?

  Thank you.

  Sorry for what may seem like a vague question, any opportunity to learn is what I'm after, and that way I don't have makes a lot of values timsestamp, it seems to be a good opportunity.

  Why are you applying to_timestamp to something that is already a timestamp?

  TO_TIMESTAMP converts a string to a timestamp.

  You need to_char to convert a timestamp into a string with the format required when you want to display it.

  Select to_char (systimestamp-1, 'dd-mon-yyyy hh24:mi:ss') twice;

  for example (or another string format, you need).

• A question about the insertion of the localTimeStamp returned the value into a timestamp with time zone column

  Hello

  Oracle version: Enterprise Edition Release 12.1.0.1.0 - 64 bit

  OS: CentOS 4.6 X86_64                  

  I have a question about the localTimeStamp function. According to the documentation for this function is
  the same thing as current_TimeStamp except that the returned value does not include the time zone.

  Consider the following example:

  SQL > create table tmptab (colval timestamp with time zone not null);

  Table created.

  SQL > insert into tmptab (colval) values (localTimeStamp);

  1 line of creation.

  SQL > select t1.colval, tmptab from t1;

  COLVAL

  ---------------------------------------------------------------------------

  24 JANUARY 14 09.45.42.253732 H + 01:00

  SQL >

  Why introduce the foregoing did not fail? the data type of the column in my table colval expects a timestamp with time zone

  during each which inserts as I understand (correct me if I'm wrong) is not provided by the localTimeStamp function.

  Could someone kindly tell me what I misunderstood?

  Thanks in advance,

  dariyoosh wrote:

  Hello

  Oracle version: Enterprise Edition Release 12.1.0.1.0 - 64 bit

  OS: CentOS 4.6 X86_64                  

  I have a question about the localTimeStamp function. According to the documentation for this function is
  the same thing as current_TimeStamp except that the returned value does not include the time zone.

  Consider the following example:

  SQL > create table tmptab (colval timestamp with time zone not null);

  Table created.

  SQL > insert into tmptab (colval) values (localTimeStamp);

  1 line of creation.

  SQL > select t1.colval, tmptab from t1;

  COLVAL

  ---------------------------------------------------------------------------

  24 JANUARY 14 09.45.42.253732 H + 01:00

  SQL >

  Why introduce the foregoing did not fail? the data type of the column in my table colval expects a timestamp with time zone

  during each which inserts as I understand (correct me if I'm wrong) is not provided by the localTimeStamp function.

  Could someone kindly tell me what I misunderstood?

  Thanks in advance,

  Then, when you do

  create table t (neck DATE);

  Insert into t (to_date ('1st January 2014', ' mon-dd-yyyy "");)

  Are you surprised that it works? After all a DATE column contains a time component, you do not provide: but he

  works and gives you 00:00:00 as the component "hour".

  Similarly, the timezone component is being developed to automatically with, I think, time zone of your system.

• Question of Timestamp of average output DC - RMS.vi

  I'm having a problem with the timestamps on the output waveform RMS value of the DC - RMS VI on average. For some reason, it is as if the time will speed almost triple! This can be seen in a graph shaped wave, as well as when data is stored in a file. When the VI of DC - RMS average is removed the timestamps back to the correct speed.

  See the timestamps in the lower right data attached maps. The plot at the top of the page uses the VI DC - RMS average is not the case of the background plot. Both ran for the same amount of time, but as you can see the upper trace got about 18 seconds before the background plot.

  You need to reset your average with each iteration. I'll be honest, I don't know exactly why you need to do this, but it solves the problem and you get a beautiful curve of RMS who remains with the timestamps of the RAW files.

  

  Edit: It seems that something weird happens with the value of t0 after VI RMS does its thing. The t0 of the waveform of the RMS is to jump before t0 of the raw data of 0.08 seconds each iteration. It should be always 0.08 sec higher, but for some reason it is additive without resetting the filter.

  Edit2: You also get a corresponding timestamp if you change the type of averaging exponential instead of linear default value. The curve is slightly different but because you now get an average including the previous data, not only the most recent points being on average.

• timestamp XY-graph question

  Hi all

  I'm sure that it's simple, but I can't understand what is wrong with my xy-graph. I read a timestamp string to a waveform data file and convert it into a timestamp format. I then traced data vs. time.

  The timestamps look OK, but the plot is all out of whack. I have attached a simple example. Can someone help me and see what I'm doing wrong?

  Thank you!

  Hi Kevin,.

  I think that the plot it correct because there is no data for almost 1 month IE 06/09/2012-09-7 - 2012.Please check again.

  Kind regards

  SrikrishnaNF

• Photos - a few questions

  Hello
  I'm quite new to the apple world, and I have a few questions about how to manage my photos. I looked for answers in different positions, but I couldn't find it.
  I hope you can help with the link direct answes.

  I have a macbook air 10.11.5 and and an iphone 6, here are the main points where I have my doubts:
  -J' enabled the icloud library, is it possible to choose certain albums that are still on the phone and everything else on icloud?
  -J' like the album moments, but sometimes the timestamp is wrong (as it is set incorrectly in the devices, like a relfex), is it possible to change it so that the order of the photo is good?
  -Photo can manage the raw file? If this isn't the case, you have an application for mac that you advice so that it works with icloud as well?

  Thanks to you all!

  1 iCloud library functions by doing everything in Photos available on all your devices and synchronize all your actions in any of all the vices d (including deletions). To save the storage space on an iDevice, set to keep an optimized local library. When short of space, pictures will reduce the resolution of the images stored locally, but upload photos high resolution for editing or viewing, including newer and more accessible images (i.e., the albums you use).

  2. you can change label information by right-clicking on an image and selecting window read the information to appear. Specifically for the time stamp, select Image > setting the Date and time of the main menu.

  3. Yes, raw files are supported, but please check your specific camera in favor.

  Photos user / help guide

  https://help.Apple.com/photos/Mac/1.0/?lang=en

  IVous has a very detailed and well illustrated article on iCloud photo library:

  http://www.IMore.com/how-use-icloud-photo-library-ultimate-guide

• I have a problem with a timestamp changed on my error report, I was wondering if I could get someone to help?

  Mozilla crashed about 15 minutes in an online evaluation timed for my university studies I can't repeat. The attempt to get information on the crash, so that my University could see that I was not lying about the time of the accident and the site I was on, the timestamp changed when I clicked on the link for more detailed information.

  I was wondering if there was anywhere I could get the original timestamp as time seems to have changed on my subject: blocking the page as well.

  Emergency assistance would be most appreciated.

  Hello abital, about: crashes, click the ID of the accident in question to open on the site of the crash - stats.mozilla.com & switch to the 'Metadata' tab you will find a field named CrashTime who then has time when the accident occurred initially in the form of a Unix timestamp. You can convert this value to a format readable by a service such as www.epochconverter.com

• Triggering off the coast of beginning of Pulse Audio in question DAQmx...

  Hi guys,.

  First of all, it is more a matter of software than hardware, so I didn't post this specific question in the multifunction DAQ card...

  So I'll try to trigger an acquisition finished off the start of a pulse audio, however I have audio sync issues, due to the fact that it can be started before my VI runs. As noted below, the audio is generated and pulsed for 500ms on and 500 ms off the coast, and between these periods, a digital pulse is generated this way (shown in red). I have a problem to stay synchronized, due to the fact that I samples finished for 1 second of a data value, and if the USE EEG is faster than me, I can catch the pulse audio at Midway, rather than at the beginning.

  

  I'm trigger analog outboard of a sound signal of 50mV and capturing two audio channels simultaneously and consistently captures 3 digital channels when they receive the trigger of the beginning of analog input trigger reference digital edge. If digital are slaves and audio is the master in this configuration. The point of this is to get a delta timed material at the time rather than use the timestamps of windows.

  As I said, I use an Analog Edge Trigger Start to start my purchase, what triggers the digital task Digital Edge Start Trigger to start as well. How can I make sure that I start at the BEGINNING of a new pulse audio if I get out of sync, I can't understand this logic... Analog edge goes off just when it goes to the specified level, but maybe it's at half way through the 500ms pulse, so this is my problem...

  I need to be a trigger to start because I do 55 000 this test iterations in a QMH Prod/consumer model and need relaxation to be redeclenchables and start-up is only redeclenchables.

  The variability in timing you see at points 2 and 4 somewhat dictate against the possibility to set up a re-triggering precisely timed by the hardware configuration.  I think that you need to abandon the idea of making repeated sampling finished back to back and switch volleys in a mode of continuous acquisition and treatment.

  To help with this, I aim to capture the moments of digital via meter rather than DIO pulses and be ready to give up the acquisition rate noise much (if necessary) given that you said that your main concern is to distinguish between ON and OFF.

  I must configure the counter to use the Digital pulse as a sample clock and use the sample clock signal HAVE the "time base", i.e. the signal which the edges will be counted and buffered in memory.  This will give you 2 samples per second instead of 5 M and the values of the counter at these sampling points is the index in your AI data which occurred impulses.  Pretty neat and clean.  Just be sure to start the task of counter in front of the task to HAVE it.

  -Kevin P

• every meter of precise timestamp 6608 with gps, irig-b

  We have a timer/counter 6608 which forms the basis of an astronomical photometer. We have signals TTL entering five channels and an IRIG-B gps clock. After a lot of help of NOR, we now have loops that have precisely timed durations (our ' integration time'). The problem is our GPS a timestamp. Although we have a GPS timestamp for each of these 'integration time', the actual times of these events (which, if the integration time was 1 s must increment one second at a time) to walk around +/-0.75 s. We can just figure out how to get this timestamp to reflect reality. Loops bang of the (correct) counts per second, but the clock cannot follow (if she does sometimes some integrations in a row). We need someone to associate the correct to the integration period beginning at a specific time (we understand the limitations at the ms level harware).

  see you soon,

  Tom harrison

  Hi, Tom Harrison.

  There is an article in the knowledge base that presents a solution to this specific question: PXI-6608 not recognizing IRIG-B time signals GPS

  Things to check:

  (1) make sure your signal IRIG-B is the type "DC Level.

  (2) make sure that your IRIG-B signal is compatible with the PXI-6608.

  (3) make sure that fix the synchronization signal on the line of real-time clock synchronization.

  For more information about the synchronization by GPS with the 6008, read through this knowledge base.

  I hope that you are having a great day!