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Rob Graessle

MathWorks

Last seen: 2 years ago |  Active since 2011

Followers: 0   Following: 0

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I am an application engineer at MathWorks. I primarily work with the Test & Measurement products (Data Acquisition Toolbox and Instrument Control Toolbox).

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Answered
Convert to an X Y coordinate System
You can use projfwd to convert latitude-longitude coordinates to x and y map coordinates in a projected coordinate reference sys...

2 years ago | 1

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Answered
Is Data Acquisition Toolbox R2010a available for download or on DVD from Mathworks
If you have go to your MathWorks Web account and click on "Download now" for R2013a, you should see a link that allows you to "C...

11 years ago | 0

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Answered
How to Process Audio signals using MATLAB and ARDUINO??
You can use the <http://www.mathworks.com/academia/arduino-software/arduino-matlab.html MATLAB Support Package> for Arduino. Yo...

11 years ago | 0

Answered
can we create multiple device objects in instrument control toolbox?
Yes, you can create multiple device objects at once using Instrument Control Toolbox. I'm a little confused by your second qu...

11 years ago | 0

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Answered
Session-based Interface or Legacy Interface for NI product
The legacy interface supports the NI USB 6216. See <http://www.mathworks.com/products/daq/supported/ni-daqmx.html this list> fo...

11 years ago | 0

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Answered
Tile figures in Matlab 2012b
When a figure window is open a "View" tab will appear on the toolstrip. The buttons to tile figures are on this tab.

11 years ago | 1

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Answered
PCIe 6535 and legacy interface
The GETVALUE function in the legacy interface is asynchronous, so it is designed to read one set of values at a time. To acquir...

12 years ago | 0

Answered
Files in Recorded Webinar: Introduction to MATLAB
The demo files for this webinar are not available on the file exchange; however, files from the very similar "MATLAB for Excel U...

12 years ago | 0

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Answered
image acquisition toolbox
Image Acquisition Toolbox can be used to directly control the camera and acquisition, and to bring the image from the camera int...

12 years ago | 0

Answered
USB - Session based - Digital I/O
One option would be to install a 32-bit version of MATLAB on your 64-bit OS. This would allow you to use the legacy interface f...

12 years ago | 0

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Answered
Code testing without DAQ Hardware
NI-DAQmx and the Measurement & Automation Explorer will allow you to create a simulated device. In MATLAB, the simulated device...

12 years ago | 2

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Answered
GPIB access with Mac Lion (10.7.2) ?
GPIB is not supported on Mac OS in the Instrument Control Toolbox. For 64-bit Mac OS, the Instrument Control Toolbox supports s...

12 years ago | 0

Answered
Huge Execution Time Discrepancy with line() Command
Are you expecting each call to 'line' to draw 15999 lines or just one line? If it is the latter, try this instead: line([1...

12 years ago | 1

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Answered
data acquisition toolbox: nidaq adaptors problem (NI 9213)
Have you tried registering the NIDAQ adaptor DLL? Execute the following commands in MATLAB, making sure you're logged into Wind...

12 years ago | 0

Answered
Using IVI-COM IviRfSigGen to generate an ARB signal
Try this: sig_gen.RF.OutputEnabled = true;

12 years ago | 0

Answered
UDP in matlab
To receive multiple messages, you need to put a loop in the PC2 code. Something like this: u2 = udp('192.168.1.2', 'RemotePo...

12 years ago | 1

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Answered
Problem registering devices for data acquisition (mcc and winsound)
Are you logged into Windows as an administrator? In order to register an adaptor you must be logged in with administrator privi...

12 years ago | 0

Answered
Binary waveform data transfer too short (but ASCII ok) from Agilent scope through GPIB
Since in the BYTE or WORD case the waveform data is binary format instead of an ASCII string, the <http://www.mathworks.com/help...

12 years ago | 0

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Answered
Data size mismatch..
Assuming you want "data" to be the row vector "b" appended to row vector "a" to create one long row vector: data = [a;b]'; ...

13 years ago | 1

Answered
How to put the lengths of each string in a cell array of strings into a single vector?
Not a particularly elegant solution, but it works: >> a={'the', 'quick', 'brown', 'fox'} a = 'the' 'q...

13 years ago | 0

Answered
surface fitting1
To do surface fitting you need to define your X and Y data vectors. X=1:77; Y=1:77; % Or any other vectors of 77 points Then...

13 years ago | 1

Answered
ascii data type
Since ASCII characters are encoded as unsigned 8-bit integers, you can store them as a UINT8 data type in MATLAB. You can use t...

13 years ago | 0

Answered
Simulink library browser shows "No blocks"
This may be related to <http://www.mathworks.com/support/bugreports/details.html?rp=673978 bug report 673978>.

13 years ago | 0

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Answered
Error in Simulink
When your block diagram contains Simscape components, the physical network circuit must be connected to at least one <http://www...

13 years ago | 3

Answered
Example is wrong => zero-phase filter - filtfilt(ver. 2009a)
It looks like the documentation for FILTFILT was changed since R2009a. The page you're looking at is the latest documentation (...

13 years ago | 0

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Answered
Perform mapping of 16 point ifft using cosimulation
"IOB" refers to the input/output pins on the FPGA. So the design you are implementing has too many inputs and outputs (or the w...

13 years ago | 1

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Answered
fsk modulator and demodulator
Walter is right - when you add noise(3) to the signal you are not actually adding random noise, you're just adding some positive...

13 years ago | 1

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Answered
Inoperability between Mac (Intel) and Windows
'filt' is the name of a function in the Control System Toolbox: >> doc filt Perhaps the Mac does not have Control System...

13 years ago | 2

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Answered
Why do I get the errors "Missing operator, comma, or semicolon" and "eval(['dbstop in ' mfile ' at ' num2str(line_num)])"?
If you look at the submission's page on the File Exchange, the author says this: "Note for users who get stuck by the IMVIEW ...

13 years ago | 0

Answered
How to get the coefficients from FDA Tool block (Simulink) using Matlab Command?
If you right-click on the Digital Filter Design block (FDATool block) and 'Look Under Mask', you will see that the block contain...

13 years ago | 0

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