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Detekcija nule A/D konvertorom niske rezolucije

Null detection using low resolution A/D converter

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2017
Disertacija11245.pdf (4.893Mb)
IzvestajKomisije11245.pdf (233.8Kb)
Author
Vujičić, Bojan
Mentor
Mitrović, Zoran
Committee members
Sovilj, Platon
Kovačević, Dragan
Spasić-Jokić, Vesna
Pejić, Dragan
Mitrović, Zoran
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Abstract
U tezi je rešavan centralni problem – detekcija nule dvobitnom stohastičkom digitalnom mernom metodom (SDMM). Formulisane su dve metode detekcije nule primenom dvobitne SDMM. Po prvoj metodi dinamička rezerva je oko 100 dB a po drugoj ne manje od 160 dB. Obe metode su proverene teorijski, simulaciono i eksperimentalno. Pored rešenja centralnog problema, dato je i nekoliko rešenja problema koji su sa njim vezani. Hipoteza ove teze – „dvobitna SDMM je u opsegu 0 % - 10% FS bolja od standardne sempling metode (SSM)“ – je potpuno potvrđena u svim razmatranim slučajevima.
The main goal of this thesis was null-detection using a two-bit stochastic digital measurement method (SDMM). Two methods of null-detection, using two-bit SDMM, were formulated. Using the first method around 100 dB of dynamic reserve was achieved and using the second one no less than 160 dB. Both methods were theoretically, using simulation and experimentally confirmed. In addition to the solution of the main problem, several other related problems were also solved. The hypothesis of this thesis – “two-bit SDMM in range from 0 % - 10 % FS is better than the standard sampling method (SSM)” has been fully confirmed in all considered cases.
Faculty:
University of Novi Sad, Faculty of Technical Science
Date:
26-06-2017
Keywords:
Stohastička digitalna merna metoda / Stochastic digital measurement method / null detection / two-bit flash A/Dconverter / discrete Fourier transformation / dither generator / detekcija nule / dvobitni flešA/D konvertor / diskretna Furijeova transformacija / generator ditera
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URI
http://nardus.mpn.gov.rs/handle/123456789/8513
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