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2921
A low complexity pilot assignment algorithm based on user polar coordinates in CF-mMIMO systems
Published 2023-07-01“…Absrtact: In order to reduce the pilot contamination in the cell-free massive multi-input multi-output (MIMO) system, a low complexity pilot assignment algorithm based on user polar coordinates was proposed.Firstly, a Gaussian weighted density algorithm was proposed to determine a centroid as the polar coordinates center point in the system coverage area, then pre-assigned the pilot in order according to the angular coordinates, so that users who reused the same pilot had a greater probability of having a longer distance, and henced reduce the pilot contamination.A low complexity distance detection algorithm was then proposed to ensure that the user spacing between any two users multiplexing the same pilot was greater than the threshold.The simulation results show that the proposed pilot assignment algorithm effectively reduce pilot contamination, improve the uplink throughput of 95% users of the system, and achieve a good compromise between performance and complexity.…”
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2922
Urine Test Strip Quantitative Assay with a Smartphone Camera
Published 2024-01-01“…The urine test strips with a camera as an output detector proved applicability to spiked urine samples, and the results were also well in comparison to the standard assays which confirms the practical relevance of the presented findings.…”
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2923
Adaptive Control of MEMS Gyroscope Based on T-S Fuzzy Model
Published 2015-01-01“…A new adaptive law can be selected to be the former adaptive law plus a nonnegative in variable to guarantee that the derivative of the Lyapunov function is smaller than zero. The controller output is implemented on the nonlinear model and T-S fuzzy model, respectively, for the purpose of comparison. …”
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2924
Comparison of Machine Learning Algorithms for the Prediction of Mechanical Stress in Three-Phase Power Transformer Winding Conductors
Published 2021-01-01“…The input data were the transient electrical fault currents of power system equivalents with impedances from low to high values. The output data were the mechanical stress in the conductors located in the middle of the winding. …”
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2925
Adaptive Neural Control and Modeling for Continuous Stirred Tank Reactor with Delays and Full State Constraints
Published 2021-01-01“…The unknown time delay and state constraints problem of the concentration in the reactor seriously affect the input-output ratio and stability of the entire system. Therefore, the design difficulty of this control scheme is how to debar the effect of time delay in CSTR systems. …”
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2926
Probing Neural Transplant Networks In Vivo with Optogenetics and Optogenetic fMRI
Published 2016-01-01“…Furthermore, the precise control afforded over activation enables the input-output properties of engrafted neurons to be systematically studied. …”
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2927
CCA-secure verifiable Mix-Net protocol
Published 2015-10-01“…A CCA-secure verifiable Mix-Net protocol with provable security was proposed.The protocol was based on Wikström’s Mix-Net and improves its security by introducing an improved key generation algorithm and a new method for constructing proof of secret shuffling.Without revealing the correspondence between inputs and outputs,proposed protocol enables everyone to verify the correctness of output plaintexts through checking evidences broadcasted by each server.Thus,it satisfies public verifiability.Any sender can trace and examine the processing procedure of its ciphertext.Thus,proposed protocol satisfies sender verifiability.It is prored to be CCA-secure under the assumption of random oracle.Compared with previous mix-net schemes which are CCA-secure,proposed protocol does not require any trusted center,and incurs fewer interactions between servers which also resulting in a lower computation and communication complexity.Hence,the protocol is an ideal cryptographic tool for constructing secure electronic election protocol.…”
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2928
2×2 Microfluidic Optical Switch with Ferromagnetic Fluid Drive
Published 2024-12-01“…【Results】The results show that the insertion losses at two output ports of optical switch are 0.42 and 0.20 dB, and the crosstalk are -24.13 and -42.63 dB, respectively.…”
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2929
Study on Meshing Stiffness and Dynamic Characteristics of Fine High Tooth Gears
Published 2023-08-01“…The dynamic loads of bearings and gear meshing excitation of standard gears and fine high gear transmission systems are compared, and the dynamic loads of input and output bearings of two pairs of gear systems at different speeds are solved. …”
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2930
Analysis of Copper Sleeve Magnetic Coupling Operation Characteristic and Design of Heat Dissipation Structure
Published 2018-01-01“…The relation among the output speed,the torque and the coupling length is obtained by using ANSYS for electromagnetic simulation analysis. …”
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2931
“I shall not concern the Union in this Discourse” : Prétérition et engagement dans l’écriture pro-unioniste de Daniel Defoe, voyageur en Écosse
Published 2016-12-01“…Defoe’s position as a secret spy for the government cannot but give a particular color to his literary output, and despite his strong commitment to the cause of the Union, he had to use a “cautious rhetoric” and to play a sort of hide-and-seek game with his readers. …”
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2932
Stability Analysis of Networked Control Systems with Random Time Delays and Packet Dropouts Modeled by Markov Chains
Published 2013-01-01“…Sufficient conditions of the stochastic stability for NCSs is obtained by constructing a novel Lyapunov functional, and the mode-dependent output feedback controller design method is presented based on linear matrix inequality (LMI) technique. …”
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2933
Prediction of Blasting Fragmentation Based on GWO-ELM
Published 2022-01-01“…The average size of blasting fragmentation X50 is selected as the output factor of the prediction model and compared with the results of PSO-ELM and ELM. …”
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2934
Urbain des bois, l’apprenti charbonnier
Published 2007-10-01“…Un peu partout en Europe vont se multipliant les fêtes de pays ayant pour thème les anciens métiers de la forêt. …”
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2935
The Acquisition of Subject-Verb Agreement Among Norwegian (Teenage) Learners of English: Focus on the Subject
Published 2019-12-01“…It is argued that this is the result of drilling of paradigms as well as high frequencies in the input and output. Another finding is that the error rate is particularly high when the subject consists of two or more conjoined noun phrases. …”
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2936
Research of the Characteristic of the Working Mode of Hydraulic Machinery Compound Transmission Sweeping Vehicle
Published 2019-02-01“…The simulation results show that different load torque has little effect on output speed. The experimental study on the prototype of hydraulic mechanical compound transmission device is carried out through building test bench and the stepless speed regulation curve and efficiency curve are obtained. …”
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2937
Design of Compact Dual-Polarized Antennas for MIMO Handsets
Published 2012-01-01“…A design method of compact dual-polarized antennas has been proposed for multiple input and multiple output (MIMO) handset application. For the sake of high isolation in dual polarizations, a printed monopole and a hybrid slot antenna are combined using a coplanar waveguide (CPW) and microstrip hybrid feeding structure. …”
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2938
VISIBILIDADE E RECONHECIMENTO SOCIOPOLÍTICO: O POVO DE AXÉ NAS PÓS-GRADUAÇÕES
Published 2025-01-01“…A pesquisa qualitativa pautou-se pela interlocução com afrorreligiosas(os) de oito estados brasileiros e se constrói em perspectiva decolonial. …”
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2939
Gearbox Fault Diagnosis based on Improved LMD and BP Neural Network
Published 2020-01-01“…The fault type of the gearbox is identified based on the output result. The results show that the method can be effectively applied to the fault diagnosis of military armored vehicle gearbox, and the diagnostic accuracy rate is 92.5%. …”
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2940
Optimization of Trajectory Tracking Control in Task Space for Dual-arm Space Robot
Published 2020-10-01“…Then, the SDC (state dependent coefficient) matrix is constructed by increasing the state variables, and the optimal tracking controller is designed based on the SDRE control theory, thus the trajectory tracking of the end grab and the base attitude of the dual-arm space robot is realized under the premise of optimizing the output torque energy. Finally, the Lyapunov method is used to prove the asymptotic stability of the system, and the effectiveness of the designed controller is verified by simulation experiments.…”
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