How can I measure the copy speed of my compact flashcard to folder?

how can I measure the copy speed of my compact flashcard to folder?
I dont have a stop watch.

Hi Steve Zavodny;
Generally compact flash cards or basically slow because of them being flash memory and USB. What are you after here?
Allan

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How can i measure the speed of the fan in sound and vibration signal simulator box

how can i measure the speed of the fan in sound and vibration signal simulator box
provided the values tach out:2 pulses/revolution and maximum speed = 6000rpm

Hi. I tried your suggestion and I could not get it to work well. In
fact it worked better without the running average (which suprised me).
I also played with the number of data points but still could not get it
to work well.
Do you have any other suggestions on how I could sort this problem out?
I
have attached a screen shot of the signal. To recap, I'm trying to
measure the'y' position of the flat regions of the signal. The signal
does not have a constant level, so this 'y' position varies with time
in a non-unform manner.
I am currently differentiating
the signal and selecting the y position when the differential is equal
to zero (within a tolerance band).
In the screenshot, the
signal has been zeroed using the method I have described above.
However, it occasionally has glitches which may be caused when the code
picks up a zero gradient at a peak or valley in the signal.
I therefore need some kind of algorithm that only measures the position of the flat regions.
Many thanks
John
Attachments:
screenshot.gif ‏121 KB

How can I use the "Copy and paste" tool in order get stamps in the same position in different pages (Acrobat XI for PC)?

With Acrobat 6.0 I was able to copy a stamp in the same position (I mean "exactly" the same one) of different pages just by using the "copy/past" tool.
Now I am using Acrobat XI and it seems like it is not possible anymore: I am copying a stamp and I am trying to past it in anoter page, but it appears in the center of the page (or wherever it wants to...).
Does anyone have a solution?
Thanks in advance.

Thank you very much. I'll be waiting for you message.
Messaggio originale----
Da: [email protected]
Data: 26/01/2015 17.56
A: "Umberto Gangi"<[email protected]>
Ogg: How can I use the "Copy and paste" tool in order get stamps in the same position in different pages (Acrobat XI for PC)?
    How can I use the "Copy and paste" tool in order get stamps in the same position in different pages (Acrobat XI for PC)?
    created by Gilad D (try67) in Creating, Editing & Exporting PDFs - View the full discussion
Well, I was in the same situation so I've developed a tool that allows one to do it. I will send you some additional information about it in a private message.
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How can I measure the hertz in a wave form?

How can I measure the hertz in a wave form?

As an example, this is from BBC Technical Requirements for HD material:
3.1.1 Stereo line-up tones
All stereo tracks must use EBU 1KHz tone (left ident). All tones must be sinusoidal, free of distortion and phase coherent between channels.
Digital Audio Reference level is defined as 18dB below the maximum coding value (-18dBFS) as per EBU recommended practice R68.
See also:
http://www.bbc.co.uk/guidelines/dq/pdf/tv/tv_delivery_to_network_programmes_v1.2-2011.pdf
for full document.
And for BBC Radio:
Not every Network requires tone. Check the delivery requirements with the commissioning network or click here.
Reference tone, where used, should be at -18dBFS or PPM 4 on A, B and/or M.
If submitting material with reference tone, tone and programme material must be have been monitored and measured through the same technical chain. The level of the tone must be equivalent to 0dBu and no less than 8dB below peak audio level for the programme material.
THE LEVEL OF TONE MUST HAVE A KNOWN RELATIONSHIP WITH THE LEVEL OF THE PROGRAMME MATERIAL AND THIS MUST BE STATED; for example: “Tone at 8dB below peak programme level”.
As a newcomer to digital sound (my background is camera) I confess to being somewhat confused. We are normally told to record at the highest level possible. So for voice podcasts I tend to record at about -6dB below peak for maximum volume, distributeds on MP3 files.
But I can underatand that televison and radio especially for analogue transmission) may have limited headroom, hence the requirement for -18dB peak = 0dBM.
I remember when we first rented out Digital Betacam cameras, some recordists were recording almost everything OVER -18dBM.
I suspect that until we have an all-digital world, these requiremnents will still be in place.
Many thanks to all. It's a ghreat community!
Brian Rose

How can I measure the Graphics Card usage? I.e. percent load

Hello,
How can I measure the Graphics Card usage, like with the processor in Task Manager, but instead giving a percentage usage for the graphics card instead? Is there an easy way to do this, or would it require a lot of code? Is it even possible?

Ah, so It's unlikely that Java3D will include anything for reading this data then? I was really aiming at measuring the GPU usage under this API which although i have limited knowledge using, I do at least have some knowledge - I wouldn't have a clue how to access any other API's!
I'm using an NVidia TNT2 card at the moment, which is quite old.

How can I read the internet speed in a MAC?

How can I find the INTERNET SPEED in a MAC?

You typically use a free Internet Speed test. It does an upload and a download from a known site, bypassing certain configuration problems. Just do a search to find a dozen services eager to test with you (in exchange for the Ads on their pages).
Do not pay for this service, and DO NOT accept any CR@P they suggest you download to "fix" your speed. They cannot tell from outside whether you have problems, and none of the things you can download ever makes anything better.
If using Wi-Fi, one generally finds that the Wi-Fi part of the connection is the limiting factor.

How can I modify the High Speed Data Reader VI to show correct time information in x-axis?

I am just a beginner learning the LabVIEW programming currently.
I have a PXI 6115 DAQ card and have to make a hardware timed acquisition VI for maximum performance. Thus I use the High Speed Data Logger VI for data acquisition.
However, when I read my data by using the High Speed Data Reader VI, it doesn't show its correct time information in the graph.
How can I modify the High Speed Data Reader VI to show correct time information in x-axis?
I hope you can explain easily because I am a beginner.

Hey Chunrok,
I've modified the High Speed Data Reader VI slightly so that it now uses the scan rate of the data (as determined from the file) to set the scaling for the data points. If you wanted the start time to be a specific time you could use the start time obtained from your file to set the xscale offset as well.
I hope this helps!
Sarah Miracle
National Instruments
Attachments:
Example.vi ‏281 KB

How can I modify the High Speed Data Reader VI to show the time information in x-axis?

I am just a beginner learning the LabVIEW programming currently.
I have a PXI 6115 DAQ card and have to make a hardware timed acquisition VI for maximum performance. Thus I use the High Speed Data Logger VI for data acquisition.
However, when I read my data by using the High Speed Data Reader VI, it doesn't show its time information in the graph.
How can I modify the High Speed Data Reader VI to show the time information in x-axis?
I hope you can explain easily because I am a beginner.

Format the x axis to either absoulte or relative time.
You can do this by right clickingo n the graph and selecting x axis then formatting from the menu.
Thanks,
Naresh

How can I modify the High Speed Data Reader VI to show correct time information in x-axis?

I am just a beginner learning the LabVIEW programming currently.
I have a PXI 6115 DAQ card and have to make a hardware timed acquisition VI for maximum performance. Thus I use the High Speed Data Logger VI for data acquisition.
However, when I read my data by using the High Speed Data Reader VI, it doesn't show its correct time information in the graph.
How can I modify the High Speed Data Reader VI to show correct time information in x-axis?
I hope you can explain easily because I am a beginner.

First, I couldn't seem to find that example either on computer or on the NI sites.
The problem that we're running into is stated in the article that I pointed to - when real time VIs are running, then the OS will stop updating the OS clock. TO us it looks like the clock is losing time. There is a hardware clock on the PXI and it is read only during boot up to set the OS clock. Our discussions with NI have not led to a solution for this problem without checking the time on start and then checking the tick count (which does not lose time) and calculating what the current time is. No access to the hardware clock is supplied.
We're still working on a simpler way to get accurate time.
Rob

How can I unlock the copy protection of songs that I've acquired some years ago with an old - and non existing anymore - account? Can I link the songs to my new account or do I have to purchase them again?

How can I unlock the copy protection of songs that I've acquired some years ago with an old - and non existing anymore - account? Can I link the songs to my new account or do I have to purchase them again?

If you're in the US, you will be able to use iTunes Match for $25 a year to remove copy protection in a few months: http://www.apple.com/icloud/features/
If you're not, you can't. You can authorise iTunes with the old account in addition to your current account, so all your songs will play, but I'm not sure what will happen if you try to sync them to an iPod.

When downloading a file, how can I see the download speed ?

When downloading a file, how can I see at what speed it is downloading a file ?

Go to the
'''''[https://addons.mozilla.org/en-US/firefox/ Mozilla Add-ons Web Page]'''''
(There’s a lot of good stuff here).<BR>
What you want is a program to show you what you want to see.
I myself use
'''''[https://addons.mozilla.org/en-US/firefox/addon/download-status-bar/?src=collection&collection_id=33bf10fa-666d-45a2-9bc9-491ce21671c6 Download Status Bar]'''''.

How can I test the throughput speed of the router?

How do I test the data speed of my Airport Extreme base? I want to test the functioning my airport extreme base. I experience frequent slowdowns and stoppages that don't occur when i access the cable modem directly.

To test data throughput of your AirPort (or any router) you would need to test both the WAN-to-LAN and LAN-to-WAN interfaces. A typical way to do this would be to use a utility like ixChariot.
For example, SmallNetBuilder has already done this with several different versions of the 802.11n AirPort Extreme Base Station (AEBSn). You may want to check them out to get an idea of what the AEBSn is capable of.
Another approach that is commonly used but not as accurate is to use "end-to-end" throughput testing utilities that are readable available from the Internet, like Speedtest.net.
Regardless of which technique you use, it is important to test throughput at each of your network segments to help pinpoint where the bottlenecks are. For example, if you do HD video streaming on your local network, you would want to test the throughput between the HD video source and the playback device.

How can I measure the full width half max pulse-width of a gaussian function?

Hi I am measuring a laser pulse using a Tektronix scope and feeding that data into my labview (v 7.1) based data system on a Mac OS X computer. I want to measure the full width pulse at half the maximum peak. The included measurement VIs that come with labview and the tek scope dont seem to do the job (even though the scope itself can do the measurement). I've attached my example VI. If anyone has any suggestions that would be great.
Thanks,
Paul
Attachments:
test scope.vi ‏255 KB

If you can display a trace on the screen, you can get the full width at half maximum. LabVIEW gives you several options:
Use the Pulse Parameters VI to determine the width directly. This will be a width based solely on the data with no assumption as to an underlying model.
Use the Levenberg Marquardt VI to fit a gaussian to your curve, then calculate the full width at half maximum from the coefficients. Levenberg Marquardt is a least-squares/gaussian algorithm, so is somewhat noise sensitive.
Use one of the minimizer functions (e.g. Downhill Simplex) to construct your own fit using a different assumed error distribution. If you are unsure how to do this, check out a copy of Numerical Recipes in C by Press et. al. and read the section on data fitting.
Do your own data based calculation. Find the peak with Peak Detector. This will give you the magnitude, but you may want to verify it with a polynomial fit (parabola is usually good enough) across the top of the peak to avoid noise problems. Then find the positions of the half-maxima on either side of the peak. The Interpolate 1D Array will probably prove useful for this.
Choose your method depending on your pain threshold and how accurate and robust you need the result to be. Good luck!
This account is no longer active. Contact ShadesOfGray for current posts and information.

How can I measure the frequency of an analog signal?

Hi, I am trying to measure the frequency of VAC signal coming from a gas turbine engine at my university. If I can get the values of frequency, I can determine the speed (RPM) of the engine. I am fairly new to LabVIEW and I have been looking through manuals like crazy in order to find out how to obtain the frequency. I have measured the signal with an oscilliscope and the highest frequecy will be about 1.5kHz. I am currently using a USB-6218 and it can collect the voltage signal with ease, but it won't give be analog frequency so simply. Can anyone explain a way for me to obtain the frequency values? And if you could show or tell me in a very simple way (because I am not very fluent in LabVIEW yet), that would be amazing! Thanks!

Check this out:
Attachments:
RPM.vi ‏17 KB

How can i control the download speed?

HI:
when i am downing a software or media from a downloadurl,
i want to control the speed, eg: 100k, 30k, 20k, ...
how can i do!

'greatness'?
@OP you could try lowering your socket receive buffer size to the desired bandwidth-delay product.

How can I measure the copy speed of my compact flashcard to folder?

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