Questions tagged [simulink]
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0
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1answer
184 views
How to model state space for complex valued system correctly in SIMULINK (MATLAB)?
When trying to use the default state-space model block, if there is a complex number valued in the matrices, there will be an error
To resolve that, firstly I need to look at pseudo reference model ...
0
votes
1answer
66 views
“Revolving” QPSK Constellation
I am trying to code a QPSK transmitter in VHDL but first I want to create one out of Simulink blocks and translate it into VHDL code. I am using an example project for the PlutoSDR as a guide.
This ...
1
vote
1answer
117 views
DFT (FFT) of Non Uniformly Sampled Signal
I am trying to perform an FFT of a non-uniformly sample signal. My input comes from Simulink and PLECS which uses variable-time solver.
So far, I have used ...
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0answers
61 views
Plot Background Noise
I am a total newbie in signal processing.
I have been trying to plot on simulink a time/frequency domain noise in PLC (Powerline Communication) that matches a real-world research "...
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0answers
69 views
Detect pure sinewave in noisy signal by SIMULINK
To extract and detect two complex exponential signal in noise, I have problem to chose what kind of detection procedure that is also optimize.
I think CFAR detector is only for 1D signals, but is that ...
0
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1answer
21 views
How do I simulate a purely real signal being received on multiple antennae in an array?
I have a signal created at baseband and then transmitted as $$\Re\{s_{bb}*e^{2\pi f_ct}\}$$ which is then received at a 5 element array for further processing. How do I interpret the real signal at ...
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0answers
8 views
variable factors in Simulimk
In my simulation of an equation in Simulink, I need to have variable factors the same as shown in following picture but Simulink doesn't accept that. how I can solve this problem?
-1
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1answer
426 views
Signal envelope
I have a relatively low-frequency signal and want to calculate the peak envelope of it in Simulink. I tried some of filters but the envelope is not well precise. can anyone help, how can I do it?
0
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1answer
115 views
Amplitude value after a Discrete-Time integration calculation?
I am using Matlab block Discrete-Time
Integrator on Simulink and I would like to know in advance, what output of that block regarding to its amplitude and the current sampling frequency would be.
...
-1
votes
1answer
82 views
signal saturation [duplicate]
My signal is an actuator displacement signal. It is a sinusoidal signal with the max amplitude of 10cm. I want to clip amplitude at 7 cm in Simulink. But with saturation block, I will get flat ...
5
votes
2answers
2k views
Inverse system in Simulink
I have the following inverse system
$$G(s)= s^2 + 2s + 3$$
How do I implement it in Simulink? Note that the transfer function is only accepted if and only if the order of the numerator is less than ...
