Results 251 to 260 of about 1,283,393 (314)

Simple carrier frequency rate-of-change estimators

IEEE Transactions on Communications, 1999
This paper is concerned with the estimation of the rate-of-change of the instantaneous frequency of an unmodulated carrier. Such an issue arises, for instance, in satellite communication systems based on a low-Earth-orbit constellation, wherein the speed of each satellite relative to earth is rapidly time-varying, and consequently, the received carrier
GIANNETTI, FILIPPO   +2 more
openaire   +2 more sources

Rate of change of frequency measurement

2016 57th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON), 2016
The measurement of amplitude, frequency, rate-of-change of frequency, and phase of an alternating waveform is the purpose of the Phasor Measurement Unit, PMU. Performance requirements, specified by standard, are tested with constant values of each of these parameters, using a synthetic waveform with values that are precisely known.
Artis Riepnieks, Harold Kirkham
openaire   +1 more source

Change of Ratings and Ratings of Change as Identified by Configural Frequency Analysis

Educational and Psychological Measurement, 1988
Configural frequency analysis (CFA) is suggested as a technique for longitudinal research in educational psychology. Assuming that N testees have been rated t times on an ordinal variable (e.g., grades in a subject), the emerging patterns, which are defined in the text, may be tested for changes in grades.
Gustav A. Lienert, Hans Zur Oeveste
openaire   +1 more source

A comparison of five algorithms for tracking frequency and frequency rate-of-change

International Conference on Acoustics, Speech, and Signal Processing, 2002
An experimental investigation of five simple algorithms for tracking frequency and frequency rate-of-change is reported. The algorithms were developed in an evolutionary fashion from an alpha beta tracker. Two of the algorithms consist of alpha beta trackers followed by low-order, finite-impulse-response differentiators for frequency-rate estimation ...
Mark McIntyre, Anthony Ashley
openaire   +1 more source

Home - About - Disclaimer - Privacy