Owen

Actif depuis 2012

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blocks of spread spectrum
Hi, I have to convert a bitstream of 10 kbps to 100k bps using spread spectrum in Simulink. Which blocks are suitable for thi...

presque 9 ans il y a | 1 réponse | 0

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Question

sample time not compatible
Hi, in this link <http://www.mathworks.com/matlabcentral/fileexchange/722-bluetooth-modulation-and-frequency-hopping> a Simul...

environ 9 ans il y a | 1 réponse | 0

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Question

Simulink examples of Adaptive Frequency Hopping
Hi, I am looking for Simulink examples of Adaptive Frequency Hopping which is a closed loop. Can anyone give me a hint? Ow...

environ 9 ans il y a | 1 réponse | 0

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Question

Selector block before the spectrum scope
Hi, in this example <http://de.mathworks.com/help/comm/examples/bluetooth-frequency-hopping.html?s_tid=srchtitle%20 Bluetooth...

environ 9 ans il y a | 1 réponse | 0

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JPEG file into an array
I tried fread() and it gives the 18.6KB size. Owen

plus de 9 ans il y a | 0

Question

send data in frame based mode in Simulink
Hi, How to send 65536 bytes step by step in frame based mode in Simulink? In every frame shall 1024 bytes be sent, so there a...

plus de 9 ans il y a | 1 réponse | 0

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JPEG file into an array
Thanks. It works, but there is still a problem with size matching. An JPEG file has the following parameters: 18.6KB, 242x379, b...

plus de 9 ans il y a | 0

Question

JPEG file into an array
Hi, is it possible to convert an JPEG file into an array in Matlab? What about the reverse conversion? Owen

plus de 9 ans il y a | 3 réponses | 0

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Question

sample rate of a DUC object
Hi, I’m using the DUC system object to make frequency upconversions: <http://www.mathworks.com/help/dsp/ref/dsp.digitalupconv...

environ 10 ans il y a | 1 réponse | 0

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Question

where to find memory limit
Hi, I’m using the example code of dsp.DigitalUpConverter System object to make some tests: <http://www.mathworks.com/help/dsp...

environ 10 ans il y a | 3 réponses | 0

3

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Question

problems with initial values of Buffer block
Hello, I want to process 5 bytes at every sample time in Simulink, but the input is a bitstream. I have to do some conversion...

plus de 10 ans il y a | 1 réponse | 0

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Question

import 4x1 vectors from Inport block
Hi, I want to import some data (100 numbers) from Workspace into a Simulink model with an Inport Block. The data is genera...

plus de 10 ans il y a | 1 réponse | 0

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Question

sequence output with the Constant block
Hello, is it possible to output the sequence 1 2 3 4 5 1 2 3 4 5 1 2 3 4 5 ... With the Constant block? Senmeis

plus de 10 ans il y a | 1 réponse | 0

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Question

sample time from "From Workspace" block
Hello, I connect a From Workspace Block with a To Workspace Block so that the variable in From Workspace can be read into To ...

plus de 10 ans il y a | 1 réponse | 0

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Question

waveform signals collecting in Phased Array System Toolbox
Hi, I want to calculate the signal arriving at an antenna array with the method „collectPlaneWave“ from Phased Array System T...

plus de 10 ans il y a | 1 réponse | 0

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Question

how to solve this matrix equation?
Hello, The product of a 3x5 matrix B and a 5x3 matrix K shall be a unit matrix. B = [0 3 -1 2 1;-4 0 -1 -3 1;0 0 3 -...

presque 11 ans il y a | 1 réponse | 0

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taking out elements from a series of integers
What about with Simulink? Senmeis

environ 11 ans il y a | 0

Question

taking out elements from a series of integers
Hello, I can’t develop the following simple model with Simulink, so please help me with it. A generator creates a series o...

environ 11 ans il y a | 2 réponses | 0

2

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Question

synchronization marker for receiver
Hi, In a communication system a marker of 32 bits is used to synchronize the receiver. After these 32 bits, 255 data bytes sh...

environ 11 ans il y a | 1 réponse | 0

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Question

two issues about the Spectrum Scope block
Hi, Please help me with two issues about the Spectrum Scope block. Is it possible to freeze the scope while simulation so ...

environ 11 ans il y a | 1 réponse | 0

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Question

power of a modulated waveform
Hi, I must determine the power of a modulated waveform in Simulink. As far as I know this waveform is represented by many ...