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Generacija periodičnega signala s pulzno gostotno modulacijo
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Kukenberger, Nejc
(
Author
),
ID
Slavič, Janko
(
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)
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Abstract
Pulzno gostotna modulacija se od preostalih metod za generacijo binarnega psevdoanalognega signala razlikuje predvsem po višji zmogljivosti na enoto zahtevane procesne moči. V zaključni nalogi smo raziskali možnost programske implementacije pulznogostotnega modulatorja na mikrokrmilniku. Z uporabo razvite programske kode smo to potrdili in uspeli generirati nekaj osnovnih vrst periodičnih signalov pri različnih frekvencah in ločljivostih, prikazali pa smo tudi kako metoda obvladuje kvantizacijski šum.
Language:
Slovenian
Keywords:
generacija signala
modulacija
mikrokrmilnik
frekvenca
ločljivost
digitalno
analogno
kvantizacijski šum
PDM
Work type:
Final paper
Typology:
2.11 - Undergraduate Thesis
Organization:
FS - Faculty of Mechanical Engineering
Publisher:
[N. Kukenberger]
Year:
2018
PID:
20.500.12556/RUL-103260
UDC:
004.312.466(043.2)
COBISS.SI-ID:
16415003
Publication date in RUL:
15.09.2018
Views:
1550
Downloads:
216
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Language:
English
Title:
Pulse density modulated periodical signal generation
Abstract:
The main difference between pulse density modulation and other binary pseudo-analog signal generation methods is it’s superior performance per unit of required processing power. In this thesis we explored the possibility of software implementation of pulse density modulators on microcontrollers. We were successful in generating a few elementary periodic signals at various frequencies and resolutions using the developed software. We also showed the favourable noise shaping property of the method.
Keywords:
signal generation
modulation
microcontroller
frequency
resolution
digital
analog
quantisation noise
PDM
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