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Question
fft and discrete functions
Hi, I have a vector that contains the time (epoch) of an occurrence (many occurrences per second, for 300 seconds), and *I w...
bijna 9 jaar ago | 2 answers | 0
2
answersQuestion
Filtering out high frequency noise of an audio file
Hi, I have an audio that consists of a human voice with a high frequency noise in the background and I want to filter out th...
bijna 9 jaar ago | 1 answer | 0
1
answerQuestion
How to determine a frequency that contains 90% of the power of the signal?
So, I have a signal taken from an audio file and I want to determine the frequency below wich 90% of the power of the signal is ...
bijna 9 jaar ago | 1 answer | 0
1
answerQuestion
While loop not working as expected
So, I am trying to calculate the amplitude of a rectangular signal that causes its energy to be 1. From theory, I've come to th...
bijna 9 jaar ago | 1 answer | 0
1
answerQuestion
How to properly determine bandwidth of a signal?
Hi, I am trying to determine the total bandwidth of a signal, given by cos(200*pi*t) + sin(202*pi*t) However, I am ...
ongeveer 9 jaar ago | 1 answer | 0
1
answerQuestion
DSB-LC modulation
Hi, I want to modulate a signal (that comes from an audio file) using DSB-LC with a 20kHz carrier. However, I am not sure I...
ongeveer 9 jaar ago | 0 answers | 0
