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Nur Fauzira Saidin


Active since 2015

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How to plot magnitude spectrum of a signal?
I want to plot magnitude spectrum. Let's say I want to generate two input signals with 100 Hz and 200 Hz. x1 = cos(2*pi*100...

9 years ago | 2 answers | 0

2

answers

Question


How to calculate SNR before and after filtering in Matlab?
Hi. I have this noisy signal and I want to calculate its SNR before and after filtering process. Please help me!! f1=50; ...

9 years ago | 1 answer | 0

1

answer

Question


How to generate sound in Matlab?
I want to generate sound for my sine wave but the sound did not come out. Is there something wrong with my code? Really need hel...

9 years ago | 2 answers | 0

2

answers

Question


How to calculate SNR using Matlab?
Hi. I want to calculate SNR of the noisy signal and the filtered signal. I used this following code but I am not sure whether th...

9 years ago | 0 answers | 1

0

answers

Question


How to filter noisy signal using built-in buttord function in Matlab?
Hi. I want to filter a noisy signal using built-in function, such as buttord, cheby1 and so on. %generate the noisy signal...

9 years ago | 1 answer | 0

1

answer

Question


How to insert noise in a signal using matlab?
Hi. I want to create a signal with noise. I found this coding but I don't know how it works. Can somebody explain this to me? ...

9 years ago | 1 answer | 0

1

answer

Question


How filtering works?
Hi. My project is to filter sine signal with various types of IIR and FIR filter. As starting, I used Lowpass FIR filter using H...

9 years ago | 0 answers | 0

0

answers

Question


How to plot frequency spectrum of a signal in matlab?
Hi. I want to plot frequency spectrum of a signal. I got this coding based on the sources that I found from the internet but my ...

9 years ago | 4 answers | 6

4

answers

Question


How to generate noise with particular frequency?
Hi. I want to generate a noise with a certain frequency, for example 10kHz but I do not know how to. So I just proceed with this...

9 years ago | 1 answer | 0

1

answer

Question


How to add noise to sine signal and filter it?
Hi. I have two questions. 1) How to add noise with specific frequency (for example 2kHz-4kHz) to sine signal? 2) How to filter...

9 years ago | 1 answer | 1

1

answer

Question


How to retrieve data from one gui to another?
I have two GUIs. The first one I want to plot a sine signal at axes 3 (as in pic 1). My problem is, how can I retrieve back the ...

9 years ago | 1 answer | 0

1

answer

Question


Programming for two button groups and one popup menu
Let's say I want to design a lowpass FIR filter using rectangular window method. I used button groups for response type and desi...

9 years ago | 1 answer | 0

1

answer

Question


How to filter noisy signal by using IIR filter
I want to apply IIR filter to noisy sine signal but I am not sure if my programming is correct because the filtered signal that ...

9 years ago | 1 answer | 0

1

answer

Question


How to filter noisy sine sine signal using FIR filter
I want to apply FIR filter to noisy sine signal but I am not sure if my programming is correct because the filtered signal that ...

9 years ago | 0 answers | 0

0

answers

Question


How can I generate a sine signal where I can manipulate the input parameters such as its amplitude, frequency, start time and phase?
This is my layout. I used edit text to enter the value. In plot callback I used the following coding to get the input and genera...

9 years ago | 0 answers | 0

0

answers