python (65.1k questions)
javascript (44.2k questions)
reactjs (22.7k questions)
java (20.8k questions)
c# (17.4k questions)
html (16.3k questions)
r (13.7k questions)
android (12.9k questions)
How to detect time-periods present in a signal using FFT?
I'm trying to determine the periodicities present in a given waveform.
This is my signal, which is a sinusoidal waveform:
t_week = np.linspace(1,480, 480)
t_weekend=np.linspace(1,192,192)
T=96 #Time P...
EnigmAI
Votes: 0
Answers: 0
Why does the y-axis have to be flipped for a cwt analysis in Python to compare to the Matlab cwt function
For the audio file found here, I am using the ssqueezepy library in Python to generate the cwt of the signal. Here is my Python code:
import librosa
import librosa.display
import numpy as np
from ssq...
Joe
Votes: 0
Answers: 1
discrete cosine transform implementation differs from library function
I've implemented my own DCT function, but the output differs from scipy's fftpack dct function. I was wondering if anyone knows whether fftpack.dct( ) does any additional transformations, and if so wh...
Rahel Miz
Votes: 0
Answers: 1
Copy values from a spreadsheet to multiple textFields in flutter
EDIT: Let me clarify more the point I am struggling to achieve as it seems not to be clear. I already built a table with TextFields as you see in my code, and I tried the excel package and I tried sev...
Abdallah Ibrahim
Votes: 0
Answers: 3