DocumentCode
1205302
Title
A Simple Fast Frequency Detector for a Constant Amplitude Sinusoid
Author
Mahmood, Mahir K. ; Allos, Janan E. ; Abdul-Karim, Majid A.H.
Volume
33
Issue
4
fYear
1984
Firstpage
327
Lastpage
329
Abstract
The frequency of a constant-amplitude sinusoidal signal is measured within a small fraction of a cycle. This is accomplished by carrying out computations on two successive samples of the input signal. System delay expressed in a fraction of a cycle is given by two times the ratio of the input-to-sampling frequencies. An inverse sine function is computed using digital hardware, giving a digital output representing the frequency.
Keywords
Counting circuits; Delay systems; Detectors; Frequency measurement; Hardware; Power system transients; Sampling methods; Time measurement; Timing; Velocity measurement;
fLanguage
English
Journal_Title
Instrumentation and Measurement, IEEE Transactions on
Publisher
ieee
ISSN
0018-9456
Type
jour
DOI
10.1109/TIM.1984.4315233
Filename
4315233
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