jurihock

# Time-scale modification example (TSM)

import numpy as np

from dhbw import dasp
from sdft import STFT

def princarg(x):
	'''Wraps normalized angles `x`, e.g. divided by 2π, to the interval [−0.5, +0.5).'''

jurihock

# References:
#
# 1) Simple and Accurate Frequency to Voltage Converter
#    https://web.mit.edu/Magic/Public/papers/05491499.pdf
#
# 2) Recursive RMS (STM32 Implementation)
#    https://www.youtube.com/watch?v=miUXBXUDJDI
#
# 3) How do I take the discrete derivative of Cosine, and show that it still equals -Sine?
#    https://math.stackexchange.com/a/2276816

jurihock

# Basic SDFT vs. QDFT showcase based on figures from
# "Sliding with a constant Q" by Russell Bradford

import matplotlib.pyplot as plot
import matplotlib.ticker as ticker
import numpy as np

from sdft import SDFT
from qdft import QDFT

jurihock

# SDFT network transfer function example according to
# "A Fast Guaranteed-Stable Sliding DFT Algorithm"
# by Richard Lyons
# https://www.dsprelated.com/showarticle/1533.php


import matplotlib.pyplot as plot
import numpy as np

from scipy.fft import fftshift

jurihock

#!/bin/bash

# directory containing multiple miniconda installations
MINICONDA=~/Miniconda

# turn off case sensitivity
casematch=$(shopt -p nocasematch)
shopt -s nocasematch

# search for matching subfolder inside miniconda directory

jurihock

import matplotlib.pyplot as plot
import numpy as np
import scipy.signal as signal


class Oscillator:
    '''
    Complex harmonic oscillator cos(phi) + 1j * sin(phi).
    '''

jurihock

#!/bin/bash

# The official tutorial describes how to create shared folders for new users:
# https://tljh.jupyter.org/en/latest/howto/content/share-data.html

# But it still doesn't reflect how to propagate any new shared folders to existing users.
# This script features an example for the missing task.

if [[ $(id -u) -ne 0 ]]
then