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Darryl


Last seen: oltre 2 anni fa |  Attivo dal 2013

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Professional Interests: A.I

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Domanda


Taking the Log Power Spectrum of a given frame of a time-domain signal
I need to take a log power spectrum of each DFD frame (positive values only), but I am unsure how to do this. I would also like...

quasi 9 anni fa | 1 risposta | 0

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risposta

Domanda


Retrieving The Estimated Window Size For pwelch Function
For learning purposes, I am trying to return the estimated window size value from the pwelch function. I have a |500hz| + |55...

circa 9 anni fa | 0 risposte | 0

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risposte

Domanda


Changing the handle properties of a polar plot
I'm trying to change the handle properties to a simple polar plot within Matlab. At the moment at default the circle is marke...

oltre 9 anni fa | 0 risposte | 0

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risposte

Domanda


Warning: Unexpected Warning: A timeout occurred before the Terminator was reached - Arduino
I'm struggling to get to grips with MatLab's fscanf function. I have two Serial.println() within the Arduino loop: void loo...

oltre 9 anni fa | 1 risposta | 0

1

risposta

Domanda


fscanf - In an assignment A(I) = B, the number of elements in B and I must be the same.
I cannot get fscanf to work with my Arduino when plotting a graph in real-time. I've read the docs and cannot see where I am go...

oltre 9 anni fa | 1 risposta | 0

1

risposta

Domanda


MatLab and Arduino readVoltage Function
I've not long switched from 2013a to 2014a, so installing the 3rd party tools was a completely different process than it was whe...

oltre 9 anni fa | 0 risposte | 0

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risposte

Domanda


Fuzzy Logic Toolbox Error 2014a
I am trying to devise a Sugeno fuzzy system using the fuzzy GUI - for some reason when I add more than one output variable I get...

oltre 9 anni fa | 1 risposta | 0

1

risposta

Domanda


Sugeno-Type Fuzzy Inference?
I am trying to learn the fundamentals of the Sugeno-Type Fuzzy Inference system, as it seems to be more favourable to implement ...

quasi 10 anni fa | 0 risposte | 0

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risposte

Domanda


Scaling a variable in MATLAB when interfacing with Arduino
I am trying to rescale/remap a variable that is reading from an analog input from my Arduino. The values from the analog port a...

circa 10 anni fa | 0 risposte | 0

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risposte

Domanda


How to add mathematical symbols to text within the legend
I'm finding it difficult to add the maths symbol /phi to my actual legend. I am able to add mathematical symbols to the title, ...

oltre 10 anni fa | 2 risposte | 0

2

risposte

Domanda


Embedded MatLab Function Errors
I'm trying to simulate a very simple scenario. The model starts with a constant block that inputs 55 into an embedded function ...

oltre 10 anni fa | 1 risposta | 0

1

risposta

Domanda


Problems to compute a phase shift using sinusoidal functions
I am having problems trying to compute a phase shift using sinusoidal functions. For example I am trying to achieve this: ...

oltre 10 anni fa | 1 risposta | 0

1

risposta

Domanda


Problems using the filter function with a column vector
I am having problems using the filter function with a column vector. I have a simple column vector that starts off with numbers...

oltre 10 anni fa | 1 risposta | 0

1

risposta

Domanda


How to truncate the data in a column vector
I am reading in data from a .xlsx file. One of my columns is the current time which is formatted hour:mins and the other column...

oltre 10 anni fa | 1 risposta | 0

1

risposta

Domanda


Problems Plotting Mp3 Audio Data Using The Mp3 Read Function
I am using MatLab 2012a for the Mac. In order to evaluate my mp3 audio data I downloaded the mp3 read and write from the file e...

oltre 10 anni fa | 0 risposte | 0

0

risposte

Domanda


Real Time Data Acquisition With Arduino Analog Input
I'm in the process of trying to visualise my basic analog light sensor using the plotting function within MatLab. This is my ...

quasi 11 anni fa | 2 risposte | 2

2

risposte

Domanda


Zero crossing in audio signal signal processing
I am trying to work out the zero crossing on a short audio sample of some random tom toms. I've written this script in order to...

circa 11 anni fa | 1 risposta | 0

1

risposta

Domanda


Data Acquisition, Inaccurate Data From Arduino To MatLab
I have a light sensor running off an Arduino uno board with a resolution of 0 - 100 and a delay of 1000ms after each sample. I ...

circa 11 anni fa | 1 risposta | 0

1

risposta

Domanda


First Neural Network Using XOR
I am trying to implement a simple XOR network. All is okay once the input and target data has been setup, but as soon as I try ...

circa 11 anni fa | 2 risposte | 0

2

risposte

Domanda


fscanf question with Arduino
I need to know how I can control the amount of Serial.println(variable_1) methods that get read during the fscanf() executio...

circa 11 anni fa | 2 risposte | 0

2

risposte

Domanda


Network constructor, has no licence available
Can anybody tell me why I get this message after discovering problems with my first attempt with a neural net: which -all net...

circa 11 anni fa | 1 risposta | 0

1

risposta

Domanda


How to plot a 3d graph using two vectors and one expression
I am trying to create a 3d graph that compares each value in array X and Y for the minimum value: min(x,y) This is what I ha...

circa 11 anni fa | 0 risposte | 0

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