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A Novel Method for Estimating Parameters of Magnetic Dipole Sources Under Low Signal-to-Noise Ratio Conditions Based on LM-OBF Algorithm
Published 2025-06-01“…Therefore, this study proposes a method for estimating magnetic source parameters based on the LM-OBF algorithm. …”
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102
Improved quantum algorithm for calculating eigenvalues of differential operators and its application to estimating the decay rate of the perturbation distribution tail in stochasti...
Published 2025-06-01“…In this paper, we propose a quantum algorithm for estimating the first eigenvalue of a differential operator L on R^{d} and its application to cosmic inflation theory. …”
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103
Acoustic impedance inversion via voting stacked regression (VStaR) algorithms
Published 2025-07-01“…To refine the AI estimation, we used stacking and voting regression algorithms, with depth, two-way travel time (TWTT), and nine seismic attributes as inputs. …”
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104
Autonomous defect estimation in aluminum plate and prognosis through stochastic process modeling
Published 2025-08-01“…Scanning Acoustic Microscopy (SAM) images serve as the data source, from which comprehensive features are extracted in time, frequency, and time-frequency domains using Short-Time Fourier Transform (STFT). The K-means algorithm enables precise localization and sizing of surface defects without prior labels, while the gamma process captures the stochastic progression of damage over time. …”
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105
Investigating Bias of DCFT, DPT and Promoted DPT Methods in terms of Phase Parameters Estimation of Chirp Signal
Published 2024-02-01“…Amongst the approaches proposed to estimate parameters of a chirp signal sequentially, i.e., the central frequency and the chirp rate, algorithms, such as discrete polynomial-phase transform (DPT) and promoted DPT, exhibit acceptable estimation accuracy. …”
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106
GPS Phase Integer Ambiguity Resolution Based on Eliminating Coordinate Parameters and Ant Colony Algorithm
Published 2025-01-01“…Therefore, a new integer ambiguity resolution method based on eliminating coordinate parameters and ant colony algorithm is proposed in this paper. The method eliminates the coordinate parameters in the observation equation using QR decomposition transformation, and only estimates the ambiguity parameters using the Kalman filter. …”
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107
Comparative Analysis of Analogue and Digital Methods for Magnetic Flux Estimation in the Core of a Medium-Voltage Voltage Transformer Operating Under Ferroresonance Conditions
Published 2024-12-01“…The main objective of the research described in the article was to determine the following: Is it possible to estimate the magnetic flux linkage in the core of a voltage transformer using analogue or digital methods? …”
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108
House Swallow Optimizer: A New Meta-Heuristic Algorithm and Its Application for DOA Estimation of Broadband Signal in Vector Hydrophone Array
Published 2025-01-01“…The experimental outcomes prove that HSO has a strong ability to balance exploration and development, with out-performance over comparative algorithms. In order to verify the engineering application potential of the optimization algorithm proposed in this paper, aiming at the problems of large estimation error, high computational complexity and low accuracy in the DOA estimation of broadband signal of vector hydrophone array, the HSO algorithm is applied to the ML algorithm, and the DOA estimation of broadband signal is successfully carried out. …”
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109
A Simple Algorithm for Compensation for Range Cell Migration in a Stripmap SAR
Published 2021-04-01“…The synthesis was performed using a simplified version of the Chirp Scaling algorithm.Results. A simple algorithm, which presents a modification of the Keystone Transform algorithm, was synthesized. …”
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110
Evaluation of the performance of algorithms for synthesizing radar images using Cuda technology
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111
Long-time coherent accumulation algorithms for reflected signal with non-zero higher derivatives of the range to radar target in the spectral domain
Published 2021-08-01“…The equivalence of the two variants of the algorithm is shown and estimates for the required number of receiver channels are given. …”
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112
Direction of Arrival (DOA) Estimation Using a Deep Unfolded Learned Iterative Shrinkage Thresholding Algorithm (LISTA) Network in a Non-Uniform Metasurface
Published 2025-04-01“…Additionally, a deep unfolded Learned Iterative Shrinkage Thresholding Algorithm (LISTA) network is constructed by transforming Iterative Shrinkage Thresholding Algorithm (ISTA) iterative steps into trainable neural network layers, combining model-driven logic with data-driven parameter optimization. …”
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113
Promoting or Hindering: The Impact of ESG Rating Differences on Energy Enterprises’ Green Transformation—A Causal Test from Double Machine-Learning Algorithms
Published 2025-01-01“…This study leverages data from companies listed on the Shanghai Stock Exchange in China, applying double machine-learning algorithms to precisely estimate the causal relationship between variations in ESG ratings and the green transition efficiency of energy companies. …”
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114
ADVANCED CHARACTERIZATION OF POWER SYSTEM HARMOICS USING MUSIC ALGORITHM ON NON-STATONARY WAVEFORMS
Published 2024-12-01“…This research investigates the Multiple Signal Classification (MUSIC) algorithm as a more advanced option for harmonic analysis in power systems. …”
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115
Doppler Shift Estimation Method for Frequency Diverse Array Radar Based on Graph Signal Processing
Published 2025-02-01“…Furthermore, the proposed method exhibits superior performance compared to the MUSIC algorithm, offering enhanced resolution and estimation accuracy. …”
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116
Research on the application of improved MCMC algorithm in the measurement of high-dimensional financial data
Published 2025-12-01“…In the empirical experiments, the estimation error of the fluctuation parameters of the improved algorithm is only 0.0018; the estimation error of the noise variance is only 0.0011; the annealing time is 342 s; and the iteration time is 364 s. …”
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Wavelet Analysis Method to Solve the Problem of Wireless Location Tracking
Published 2013-10-01“…The signal of non-line-of-sight propagation(NLoS)largely determine the positioning accuracy of the mobile station in wireless location,the wavelet analysis theory has obvious advantages in signal processing.A positioning and tracking algorithm of the mobile station(MS)in the NLoS environment of cellular network was presented.Using wavelet transform signal decomposition and reconstruction,the TDOA measurement error correction,re-use classic Chan algorithm to estimate the location of the mobile station,with the corresponding distance threshold to track the location of the mobile station location.The simulation results show that the algorithm can effectively achieve the static positioning and dynamic tracking of the location of the mobile station,and significantly better than the classical algorithm simulation results in the same environment,and effectively improve the positioning accuracy.…”
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120
Direction-of-Arrival Estimation for Wideband Chirps via Multi-Line Fitting in the Fractional Fourier Domain
Published 2025-01-01“…The referred estimation can be carried out using array signal processing in the fractional Fourier transform (FrFT) domain, which involves searching for peak amplitude in order to select the optimal (fractional) order. …”
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