Results 31 to 40 of about 542,257 (316)
Using Sequence-to-Sequence Models for Carrier Frequency Offset Estimation of Short Messages and Chaotic Maps [PDF]
, 2022 Deep Learning methods have produced good carrier frequency offset estimations for short message sequences in comparison with methods based on the Fast Fourier Transform. However, these performance gains were observed for short ranges of frequency offsets,
Deo, Ravinesh C. +4 more
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Optimal training sequences for channel estimation in cyclic-prefix-based single-carrier systems with transmit diversity [PDF]
, 2004 In this paper, we investigate a new class of training sequences that are optimal for least squares (LS) channel estimation in systems employing transmit diversity and single-carrier (SC) modulation with a cyclic prefix (CP) extension.
Coon, J, McGeehan, JP, Beach, MA
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Measurement Science Review, 2017 The convergence rate and the continuous tracking precision are two main problems of the existing adaptive notch filter (ANF) for frequency tracking. To solve the problems, the frequency is detected by interpolation FFT at first, which aims to overcome ...
Shen Ting-ao +3 more
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Distributed Frequency Offsets Estimation [PDF]
2018 IEEE 19th International Workshop on Signal Processing Advances in Wireless Communications (SPAWC), 2018 In this paper, we provide a distributed frequency offset estimation algorithm based on a variant of belief propagation (BP). Each agent in the network pre-compensates its carrier frequency individually so that there is no frequency offset from the desired carrier frequency between each pair of transceiver.
Jian Du, Shaodan Ma, Guanghua Yang
openaire +3 more sources
Frontiers in Psychology, 2018 Humans' judgment of relative-frequency, similar to their use of probability in decision-making, is often distorted as an inverted-S-shape curve—small relative-frequency overestimated and large relative-frequency underestimated.
Xiangjuan Ren +5 more
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On the robustness of the average power ratios in damping estimation: application in the structural health monitoring of composites beams [PDF]
, 2010 In composites structures, cracking, delamination will cause changes in the measured dynamic response of structure and so on experimentally modal parameters.
J. Morlier +4 more
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Method of estimation of frequency variation relying on estimation of shift of spectral peaks
Системный анализ и прикладная информатика, 2021 Problem of estimation of variated frequency of components of polyharmonic signals has been arose. Three-dimensional time-frequency representation of signals is usually used to resolve this problem.
D. A. Kechik +2 more
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Exact BER Analysis of OFDM Systems Communicating over Frequency-Selective Fading Channels Subjected to Carrier Frequency Offset [PDF]
, 2007 Orthogonal Frequency Division Multiplexing (OFDM) has been employed in numerous wireless standards. However, the performance of OFDM systems is degraded by both the Carrier Frequency Offset (CFO) and the Phase Estimation Error (PER).
Liu, X. +3 more
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IEEE Access, 2022 In this manuscript, the problem of detecting multiple targets and estimating their spatial coordinates (namely, their range and the direction of arrival of their electromagnetic echoes) in a colocated multiple-input multiple-output radar system operating
Pasquale Di Viesti +3 more
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A new technique for instantaneous frequency rate estimation [PDF]
, 2002 This letter introduces a two-dimensional bilinear mapping operator referred to as the cubic phase (CP) function. For first-, second-, or third-order polynomial phase signals, the energy of the CP function is concentrated along the frequency rate law of ...
O'Shea, Peter J.
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