With an average of readings of the oscilloscope

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  When I do a race with my Apple Watch I don't have a frequency heart displayon the session screen. When I then sync my activity with my iphone there is also no average heart rate on the completion of my activity. How can I get my heart rate displayed?

  Hello

  Mode power saving can be activated.

  To check this, on your iPhone, in the application of the watch, go to: Watch My > Workout - if it is currently enabled, disable power saving Mode.

  (When the power saving Mode is enabled, it disables the sensor of heart rate during workouts running).

• problem with value average.

  Hi, I had problems with the function of the average value, first of all, I have a very limited knowledge of labview, so this could be a very stupid question.

  The problem is that I want to have the average total value of a displayed sequence 'online', so that it displays the average of all the readings of an instrument of the time wherever I start the program and until I turn it off. The things ive tried just seems to take the average of the last 10 values for example, and as I said, I want too, it includes all the readings for the whole race that can last for a few hours so there are a lot of measures.

  Would appreciate all the help and advice I can get! Hope that I managed to describe the problem, im that it is difficult to find the words to use in English.

  As Philip proposed, the PtByPt means is the VI suitable for you.  It is located in the range of functions under the Signal Processing > PtByPt > statistics & probability

  Attached is a driving force that does something similar.  I hesitate to publish because it does for a single database at a time.  You can modify the code to select a single value or a table of entry (just to know the size of the array and increment the account of the size of the array).  You can do this by adding another case another selection to the enum Ctrl.

• Wrong time file Express with NI9361 medium Freq dynamics of the signal

  I have an interesting problem with recoding of the frequency to a file with SignalExpress measures and a NI9361. I was able to find a workaround, but here's the question:

  As in the attached SignalExpress project, I'm analog acquisition of voltage using a NI9234. In this case, the module is in place only for the/cDAQsim/I/SampleClock channel exist for my next step to reference. I'm also acquisition of previous frequency with the NI9361 in dynamic mode with an average using the reference to external clock of the analog input stage. Then I have a backup at the ASCII stage where I want to write a file leave ASCII, comma with absolute time.

  That's the problem. In this case, I cared only to save the frequency to the file. But, when I did the absolute time would count per second for 100 points, then loop back at once and County place again. (See attached Test01.csv.) This is the same behavior that if I tried to record data using just the NI9361 without an external sample clock.

  If instead, the save operation I take FIRST entry then the frequency I will get a file with the correct absolute time as Test02.csv analog, attached. Even if I save the frequency as the first entry and then return to tension the problem at the time scale.

  Anyone know why that would happen? Is there a simpler way for the frequency measures stamped recored with the NI9361 and SignalExpress without analog data recording? without using an analog input module at all?

  Hello

  This question looks better suited for the Signal Express community forum page.  Please ask your question here.

  Thank you

• Covered wagon with an average of analog voltages DAQmx

  I searched through screws, I can't seem to find something that will automatically average numbers of boxcar fed into it. I am trying to create a feature of my software that will allow the dynamic configuration of the car covered with an average of some inputs. I would like to avoid hard-coding tables which are filled/rotation etc etc.. Any help is appreciated

  Thank you

  If you use a Functional Global to store the values and call that VI of two different screws, you will access the same data. You could use two Global in the functional shift registers and use a selector to place / extract data from / to the appropriate shift register. Only VI call access one commune VI at the time, so one of the caller of the screw will be 'blocked' until the first caller is done. This does not usually work for data acquisition applications high speed.

  You might consider using named queues instead of functioning overall. You might be interested in this thread on the forums of LAVA that deals with boxcar implimentations. You create a queue for each data stream and can perform functions such as "preview" queue to get all items without actually removing them from the queue. If you use a LabVIEW 8.6, there is a new feature called with loss of queues. You set an upper limit on the size of the queue and "lossy enqueue" allows to add items at the end of the queue. If the queue fills up, then the oldest data element will be lost.

• With an average of a spectral waveform and view / save

  Hello world!

  I am currently on a University project that consists on the use of Labview to obtain data and spectra of atmospheric plasmas using a spectrometer Ocean Optics HR4000.

  After not not using Labview for almost a year, I managed to get most of my knowledge back and I managed to display the spectral waveform, that I expect to get. However, as this is a fairly simple design I get a lot of noise and I would on average it for a graphic display more smooth.

  I looked into a lot of messages from the forum, but I couldn't really find what I was looking for.

  I also had a problem when you try to save the data and Spectra: I can't find anything in the directory of my VI.

  In the attachment you will find the current VI I'm trying.

  Thanks in advance for your answers!

  Jeremy

  I wrote an example for you below. This is an excerpt from VI, so you can drag the .png in your diagram and it becomes code. Pretend that everything in the green box is your Subvi spectrum acquisition.

  -Place the Subvi in a loop to run as many times as you like on average there

  -Out of the loop For is a table 2D with individual spectra on the lines

  -Transpose output, so individual spectra on the columns

  -Enter the table another loop to take the average rank by rank (with an average of different Spectra togeter).

  -Output is 1 d spectra average table

  

• with an average of 5 minutes of data - is no way

  I need average 5 minutes worth of data, save this average and then again on the next 5 minutes of data, with an average of this data block.  I tried to use the average function pt-pt in LabVIEW, but who seems to take an average continuous market, I do not want.  I probably read data once every 0.1 seconds, so I can not used stacked registers at offset, because it would be not very economical. I thought to build a table, but I don't know how to remove all the data at a time on average to it in an efficient manner, and more I'm stuck on the concept of re - create the table/clear the Board after five minutes of data has been collected, averaged and recorded.

  Does anyone have a suggestion?  I would really appreciate any advice or suggestions on how to go about it.

  Keep a running total in a shift register.  When your 5 minutes have expired, divide the sum by the number of samples taken, the sum to zero and start over.

• reading of multiple channels on the oscilloscope

  Hey there everyone,

  First of all, thank you for taking the time to read this. I'm still relatively new to LabVIEW, but I read most of the bases.

  How is this issue work VISA.

  I have an oscilloscope which has sensors to 3 channels and I want to display 3 channels on the same graph. The example of VI, which is included with the driver allows me to access a channel however it also adds other features, such as the control device that I didn't need, I just want to read data from the oscilloscope.

  I will not be able to access the gear for a few days, but have started coding. Here's what I've coded so far.

  

  

  The first blue function is 'Reading of Array wave' and the second 'wave in table scale ".

  Am I allowed to access the VISA like this? Or is it illegal access that would cause problems?

  I tried to access several channels before, so I was in the laboratory, however they have always produced errors.

  I use an oscilloscope tektronix TDS2013C, Labview 2013 and that you have downloaded the driver concerned for my model.

  All relative links to learning tools or help would be greatly appreciated!

  -Nam

  Please read the manual on a reading and extraction.

  As I said, the reading will launch a new capture. When you call it 3 times, each record returned will be later time than the previous capture. Either do what I said or call an extraction 3 times now.

• Power SVFA - with an average of question spectrum

  Hi all

  I used the power spectrum of SVFA to treat a signal from a trasnducer of pressure. All the options associated with this block seems to work very well with the exception of the settings on average. I used Linear/One Shot mode and assign number ofa averages 20. The prioblem is once it reaches 20, it continues to go further. I added a boolean flag to check if she treated the number required of averages, he did in fact. So now I'm stumped. Restart of the averagting seems to work as expected so.

  Any thoughts?

  Oleks:

  The sounds and vibrations help file for the Modes of time on average, we see that this is expected behavior:

  "In an average of peak-hold, the largest value of sound pressure level measured in all the previous values is calculated and returned until a new value is greater than the current maximum. The new value becomes the new maximum value and the returned value until a new value is greater than it. Peak hold is not really a form of averaging because successive measurements are not mathematically average. However, as with other processes of establishing an average, average peak-hold combines the results of several measurements in a final measure. As for the average exponential, the process of averaging continues indefinitely. »

  So because Peak Hold do not average in the strict sense, it does not restart on average the number of averages you specified as RMS and the vector average which are a true average.

  Tori, w.

• E1505 with Vista operating system repeatedly lose the connection network through a router WRT54G

  Model: Dell E1505

  OS: Vista Edition Home Premium

  Processor: Intel Core 2 Duo CPU T5300, 1.73 GHz

  Device of wireless network: Dell Wireless 1390 WLAN Mini Card

  Wireless router: Linksys WRT54G

  My E1505 has a problem with the Wi - Fi being dropped at least twice a day / every day with an average of seven hours of use per day.  Almost identical to several offers from others, as I'm surfing the web and try to access another site, the connection just drops and I get the white screen indicating a network connection cannot be made.  Meanwhile, my utility for wireless LAN card reflects that I have a connection 'very strong' or even 'excellent '.  The only way to connect is to restart the computer.  I did a lot of research on the Internet and tried all the suggested actions to solve the problem (changing the settings of the power of the highest performance, by changing the channel of the router, updated drivers, etc.), but none of them have cured the problem.  I also spent more than 12 hours to talk or have a Dell technician remotely access my laptop to try and fix the problem, but nothing helped.  In the end, the so-called expert technician said they did everything possible and suggested I reload Vista on my computer again, or wait for the Vista Service Pack comes out with the hope that the problem is solved.

  Can someone please! It seems that I left without other alternatives, but to spend the next eight hours, reload all my programs that are inexcusable.

  Thanks in advance for your help.

  Here are the results of the IPCONFIG/ALL command:

  Microsoft Windows [Version 6.0.6000]

  Copyright (c) 2006 Microsoft Corporation.  All rights reserved.

  C:\Users\damoke>ipconfig/all

  Windows IP configuration

  Name of the host...:-command post

  Primary Dns suffix...:

  Node... type: hybrid

  Active... IP routing: No.

  Active... proxy WINS: No.

  ... DNS suffix search list: dc.dc.cox.net

  Ethernet connection to the Local network: State media: Media disconnected

  The connection-specific DNS suffix. : dc.dc.cox.net

  ... Description: Broadcom 440 x 10/100 Integrated Controller

  Physical address.... : 00-19-B9-70-FF-E2

  DHCP active...: Yes

  Autoconfiguration enabled...: Yes

  Wireless network connection Wireless LAN adapter:

  The connection-specific DNS suffix. : dc.dc.cox.net

  ... Description: Dell Wireless 1390 WLAN Mini Card

  Physical address.... : 00-1B-FC-44-A3-D5

  DHCP active...: Yes

  Autoconfiguration enabled...: Yes

  Address IPv6 local link...: fe80::ac77:a83:c3bf:c801 %9 (Preferred)

  IPv4 address: 192.168.1.100 (Preferred)

  ... Subnet mask: 255.255.255.0.

  Lease obtained...: Saturday, April 12, 2008 20:22:10

  End of the lease...: Sunday, April 13, 2008 20:22:09

  ... Default gateway. : 192.168.1.1.

  DHCP server...: 192.168.1.1.

  DHCPv6 IOOKING...: 167779324

  DNS servers...: 68.105.28.12

  68.105.29.12

  68.105.28.11

  NetBIOS over TCP/IP...: enabled

  Card tunnel Local Area Connection * 6:

  The connection-specific DNS suffix. :

  ... Description: Teredo Tunneling Pseudo-Interface

  Physical address.... : 02-00-54-55-4E-01

  DHCP active...: No.

  Autoconfiguration enabled...: Yes

  IPv6 address: 2001:0:4137:9e50:203 b: 1 ca 1: 3f57:fe9b (Preferred)

  Address IPv6 local link...: fe80::203b:1 ca 1: 3f57:fe9b %8 (Preferred)

  ... Default gateway. : ::

  NetBIOS over TCP/IP...: disabled

  Card tunnel Local Area Connection * 7:

  State of the media...: Media disconnected

  The connection-specific DNS suffix. :

  ... Description: Card 6TO4

  Physical address.... : 00-00-00-00-00-00-00-E0

  DHCP active...: No.

  Autoconfiguration enabled...: Yes

  Card tunnel Local Area Connection * 10:

  The connection-specific DNS suffix. : dc.dc.cox.net

  Description...: isatap.dc.dc.cox.net

  Physical address.... : 00-00-00-00-00-00-00-E0

  DHCP active...: No.

  Autoconfiguration enabled...: Yes

  Address IPv6 local link...: fe80::5efe:192.168.1.100%11(Preferred)

  ... Default gateway. :

  DNS servers...: 68.105.28.12

  68.105.29.12

  68.105.28.11

  NetBIOS over TCP/IP...: disabled

  C:\Users\damoke

  Message edited by MOKE DA 12/04/2008 21:24
  Message edited by MOKE DA 12/04/2008 21:25
  
  

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