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**Content Feed**

Question

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...

meer dan 6 jaar ago | 1 answer | 0

### 1

answerQuestion

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...

bijna 7 jaar ago | 0 answers | 0

### 0

answersQuestion

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...

meer dan 7 jaar ago | 0 answers | 0

### 0

answersQuestion

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...

meer dan 7 jaar ago | 1 answer | 0

### 1

answerQuestion

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...

meer dan 7 jaar ago | 1 answer | 0

### 1

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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...

meer dan 7 jaar ago | 0 answers | 0

### 0

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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...

meer dan 7 jaar ago | 1 answer | 0

### 1

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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 ...

meer dan 7 jaar ago | 0 answers | 0

### 0

answersQuestion

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...

bijna 8 jaar ago | 0 answers | 0

### 0

answersQuestion

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, ...

ongeveer 8 jaar ago | 2 answers | 0

### 2

answersQuestion

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 ...

ongeveer 8 jaar ago | 1 answer | 0

### 1

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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: ...

ongeveer 8 jaar ago | 1 answer | 0

### 1

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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...

ongeveer 8 jaar ago | 1 answer | 0

### 1

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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...

ongeveer 8 jaar ago | 1 answer | 0

### 1

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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...

meer dan 8 jaar ago | 0 answers | 0

### 0

answersQuestion

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 ...

meer dan 8 jaar ago | 2 answers | 2

### 2

answersQuestion

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...

bijna 9 jaar ago | 1 answer | 0

### 1

answerQuestion

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 ...

bijna 9 jaar ago | 1 answer | 0

### 1

answerQuestion

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 ...

bijna 9 jaar ago | 2 answers | 0

### 2

answersQuestion

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...

bijna 9 jaar ago | 2 answers | 0

### 2

answersQuestion

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...

bijna 9 jaar ago | 1 answer | 0

### 1

answerQuestion

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...

bijna 9 jaar ago | 0 answers | 0