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Mohamed Ashraf


Attivo dal 2018

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Shift result of fft of sinc at certain frequency
I have a sinc function in time domain and I would like to do its fft which should be a rect And then I want to shift this fft a...

quasi 7 anni fa | 1 risposta | 0

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Domanda


modulation of binary sequence
I would like to replace the bits of 1s and 0s with the signal made with different phase of 90 degrees if true % clear;...

quasi 7 anni fa | 0 risposte | 0

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Domanda


Adding noise to a channel
I need a code or function to add noise to a channel of band 10kHz to 15kHz as an exmple

quasi 7 anni fa | 1 risposta | 0

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Domanda


Generate wide band noise with no dc level
I'd like to have a code that can generate a wide-band noise signal at all frequencies from 8kHz to 12kHz so hat I can add noise ...

quasi 7 anni fa | 0 risposte | 0

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Domanda


scan a band for a signal and know the signal properties
I'd like to scan a certain band for example from 8kHz to 12kHz searching inside it for a signal and then extracting data about t...

quasi 7 anni fa | 0 risposte | 0

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Domanda


Time worked by signal before sweeping frequency
what is the function that makes my generated signal working for 2 seconds and then changing the frequency automatically to gener...

quasi 7 anni fa | 0 risposte | 0

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Domanda


usinf fft shift i need only to display the positive part of the spectrum
I would like to display only the positive part of the frequency domain if true % fs=1e5; %Sampling Frequency t=0:1/...

quasi 7 anni fa | 3 risposte | 0

3

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Domanda


how to solve a Plotting FFT problem
I have this code for generating a signal and plotting it in time domain and frequency domain but the plot in the frequency domai...

quasi 7 anni fa | 1 risposta | 0

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Domanda


Scan a spectrum ,determine the frequency, signal properties
I'd like to make a code to scan a certain known spectrum (ex : 150 MHZ to 250 MHZ)?? How to determine frequency of signals it t...

quasi 7 anni fa | 0 risposte | 0

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Domanda


Design of FHSS transmitter and receiver
I would like to make a FHSS transmitter for BPSK as an example and I'm facing a problem how will I receive the sent signal C...

circa 7 anni fa | 0 risposte | 0

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