Sampling Rate Conversion

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Kaunas University of Technology, Lithuania

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The University of Sydney, Australia

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Technical University of Cluj Napoca, Romania

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Slovak University of Technology, Slovakia

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The University of Texas at Arlington, United States

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University of Brest, France

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University of Defence, Czech Republic

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University of Zilina, Slovakia

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UPC Broadband Slovakia, Slovakia

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University of Zilina, Slovakia

Petr Drexler
Brno University of Technology, Czech Republic

Eva Gescheidtova
Brno University of Technology, Czech Republic

Ray-Guang Cheng
National Taiwan University of Science and Technology, Taiwan, Province of China

Gokhan Hakki Ilk
Ankara University, Turkey

Janusz Jezewski
Institute of Medical Technology and Equipment, Poland

Rene Kalus
VSB - Technical University of Ostrava, Czech Republic

Ivan Kasik
Academy of Sciences of the Czech Republic, Czech Republic

Jan Kohout
University of Defence, Czech Republic

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University of Hradec Kralove, Czech Republic

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Technical University of Radom, Poland

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Technical University of Kosice, Slovakia

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Hongik University, Korea

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Buryat State University, Russia

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University of Huddersfield, United Kingdom

Fayaz Hussain
Ton Duc Thang University, Vietnam

Peppino Fazio
Ca’ Foscari University of Venice, Italy

Fazel Mohammadi
University of New Haven, United States of America

Thang Trung Nguyen
Ton Duc Thang University, Vietnam

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Ton Duc Thang University, Vietnam

Miroslav Voznak
VSB - Technical University of Ostrava, Czech Republic

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Wroclaw University of Science and Technology, Poland

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The University of Edinburgh, United Kingdom

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Guanajuato University, Mexico

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Technical University of Cluj Napoca, Romania

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Posts and Telecommunications Institute of Technology, Ho Chi Minh City, Vietnam

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Henan Polytechnic University, China

Huynh Van Van
Ton Duc Thang University, Vietnam

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University of Pardubice, Czech Republic

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Delhi Technological University, India

Huynh The Thien
Ho Chi Minh City University of Technology and Education, Vietnam

Mauro Tropea
DIMES Department of University of Calabria, Italy

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Henan Polytechnic University, China

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Ho Chi Minh City University of Transport, Vietnam

Anh-Tu Le
Ho Chi Minh City University of Transport, Vietnam

Phu Tran Tin
Ton Duc Thang University, Vietnam

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Sampling Rate Conversion

Jan Vitasek

DOI:

Abstract

The topic of this article is conversion of the signal with given sampling frequency to signal with another sampling rate. The task is to change the sampling rate from fvz3=500Hz to fvz4=360Hz. There are two methods; in the text are called Method A and Method B. The Method B has two approximations, first and second order. The basic idea of Method A is to find the least common multiple. It has to use integrator (low-pass filter, cut frequency is half of original signal) and decimator (low-pass filter, cut frequency is half of final signal). At first the zero samples are pasted, these are filtered by low-pass filter and then the computed samples are selected. The method B is not so exacting for computation, because the integrate factor is smaller, than in the method A. Of course, there are used integrate filters (low-pass filter). The first order approximation selects the nearer sample of both border samples. The second order approximation interpolates samples by line. Selected sample is therefore more accurate.