High precision phase measurement using reduced sine and cosine tables

Author

Mahmud, Syed Masud

Author_Institution

Dept. of Electr. & Comput. Eng., Wayne State Univ., Detroit, MI, USA

fYear

1989

fDate

25-27 Apr 1989

Firstpage

219

Lastpage

222

Abstract

The author proposes a microprocessor-based hardware implementation of a high-precision phase measurement technique. The hardware implementation requires two reduced tables: a sine table and a cosine table. If each table has (i(i+5)/2) entries, then the phase can be accurately determined even if the signals are distorted by any number of harmonics in the range of 2nd through ith harmonics. This design could easily be fabricated to make a 28-pin custom VLSI chip

Keywords

VLSI; computerised instrumentation; computerised signal processing; digital signal processing chips; microcomputer applications; phase measurement; cosine table; custom VLSI chip; harmonics; microprocessor-based hardware; phase measurement; reduced tables; sine table; Distortion measurement; Frequency conversion; Frequency measurement; Harmonic distortion; Phase distortion; Phase measurement; Pulse measurements; Signal processing; Signal sampling; Time measurement;

fLanguage

English

Publisher

ieee

Conference_Titel

Instrumentation and Measurement Technology Conference, 1989. IMTC-89. Conference Record., 6th IEEE

Conference_Location

Washington, DC

Type

conf

DOI

10.1109/IMTC.1989.36857

Filename

36857

Link To Document

https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=2383067