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Derek Eccles


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Last seen: 3개월 전 |  2014년부터 활동

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Professional Interests: digital video broadcasting

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Is space vector modulation the same as V/f control for ac induction motors (single and 3 phase) ?
Is space vector modulation the same as V/f control for ac induction motors (single and 3 phase) ?

3개월 전 | 답변 수: 0 | 0

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Can I use the model for a single phase asynchronous machine to simulate a single phase squirrel cage induction motor I rescued from an old washing machine.
I am guessing to use the electrical simscape model of a single phase induction motor (spim) there are a number of parameters/val...

3개월 전 | 답변 수: 1 | 0

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Baseband FSK spectrum comparison Simulink & Excel
I have been using 2-FSK Modulator Baseband block along with the spectrum analyser to see how the spectrum changes as the simulat...

거의 4년 전 | 답변 수: 0 | 0

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Spectrum output from a 2-FSK baseband modulator
Hi, I have built a very simple simulink model which includes a 2-FSK baseband and spectrum analyzer. The frequency seperation o...

대략 4년 전 | 답변 수: 0 | 0

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Export Spectrum Analyser trace to workspace or file
Hi, as the title says, I want to find out how to export the trace (dBm) from a Spectrum Analyser, in Simulink, to either the wor...

대략 4년 전 | 답변 수: 1 | 0

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Frequency Response of a Square Wave in Spectrum Analyser
Why does Spectrum Analyzer 1, in the attached model give the correct graph for a few ms only and then flat line at -3200 dBm ?

대략 5년 전 | 답변 수: 0 | 0

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FSK using baseband modulation
I am using a Math function block with the exp. function selected and the output data type as complex, to generate the carrier. ...

대략 5년 전 | 0

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RTL-SDR Receiver Gains
I am working through a book (see first attachment) and have come across a SIMULINK model of a receiver - second attachment. In t...

대략 5년 전 | 답변 수: 1 | 0

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I get the following message when I run my rtl sdr model
An error occurred while running the simulation and the simulation was terminated Caused by: An error occurred in the driver li...

5년 초과 전 | 답변 수: 1 | 1

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generator output smooth curve or stepped
I have 2 seperate models in Simulink each with their own waveform generator. One of these generators produces a nice continuo...

6년 초과 전 | 답변 수: 0 | 0

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calculate power spectrum from complex number in simulink's spectrum analyser
In my example of N=8, X(1) = -1.92 -0.8i |X(1)| = 2.08 |X(1)|/N = 0.26 POWER (w) = |X(1)|^2/N^2 = 0.0676 w = 30 + (10*log(0...

8년 초과 전 | 답변 수: 0 | 0

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What spectrum analyser settings should I use
I have built a simple model consisting of a CONSTANT source, of amplitude 1 and a sample time of 62.5 us and simulation time of ...

8년 초과 전 | 답변 수: 0 | 0

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how to calculate power spectrum from sampled signal
I am having difficulty resolving the differences when I compare the power spectrum for a simple Simulink model (pulse generator,...

8년 초과 전 | 답변 수: 0 | 0

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Very Basic Simulink model
The attached simulink file is a very simple model of a signal source with a scope and spectrum analyser attached. The signal...

8년 초과 전 | 답변 수: 0 | 0

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why does MATLAB spectrum give different fourier coefficients
Please find attached : 1. Simulink model containing a periodic square generator and a spectrum analyser, configured to give a...

9년 초과 전 | 답변 수: 0 | 0

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Why does this model not produce a frequency spectrum of the time based pulse signal ?
Thank you Star Strider for taking the time to answer my question. When I try to run the simulation the reply I get is somethi...

9년 초과 전 | 0

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Why does this model not produce a frequency spectrum of the time based pulse signal ?
Having great difficulty using the spectrum analyzer. Have looked at all of the online help but still cannot master it. It...

9년 초과 전 | 답변 수: 2 | 0

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Learning about 16 QAM
I am trying out the MATLAB experience for 30 days and have found it very interesting, so much so I think I will invest. Altho...

9년 초과 전 | 답변 수: 0 | 0

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