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381
UAS-Guided Analysis of Electric and Magnetic Field Distribution in High-Voltage Transmission Lines (Tx) and Multi-Stage Hybrid Machine Learning Models for Battery Drain Estimation
Published 2024-01-01“…This paper is first-of-its-kind large scale study that gathered field data (E/H) across 5 different Tx lines (<inline-formula> <tex-math notation="LaTeX">$69 kV_{AC}$ </tex-math></inline-formula>, <inline-formula> <tex-math notation="LaTeX">$230 kV_{AC}$ </tex-math></inline-formula>, <inline-formula> <tex-math notation="LaTeX">$345 kV_{AC}$ </tex-math></inline-formula>, <inline-formula> <tex-math notation="LaTeX">$500 kV_{AC}$ </tex-math></inline-formula>, and <inline-formula> <tex-math notation="LaTeX">$250 kV_{DC}$ </tex-math></inline-formula>). …”
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382
An Ultra-Low Power, Adaptive All-Digital Frequency-Locked Loop With Gain Estimation and Constant Current DCO
Published 2020-01-01“…The experimental results reveal, DCO draws <inline-formula> <tex-math notation="LaTeX">$480~\mu \text{A}$ </tex-math></inline-formula> current from 0.55 V supply voltage at center frequency. …”
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383
Generalized Weak Contractions Involving a Pair of Auxiliary Functions via Locally Transitive Binary Relations and Applications to Boundary Value Problems
Published 2025-01-01“…The intent of this paper was to investigate the fixed-point results under relation-theoretic generalized weak contractivity condition employing a pair of auxiliary functions <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mi>ϕ</mi></semantics></math></inline-formula> and <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mi>ψ</mi></semantics></math></inline-formula> verifying appropriate properties. …”
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384
On the Evidence of Dynamical Dark Energy
Published 2024-12-01“…While the DESI BAO data slightly tightens the constraints on model parameters and increases the tension between the Chevallier–Polarski–Linder (CPL) model and the <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mo>Λ</mo></semantics></math></inline-formula>CDM model, we find that the influence of DESI BAO data on the constraint of <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msub><mi>w</mi><mn>0</mn></msub></semantics></math></inline-formula> is small in the SSLCPL model. …”
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385
Characterization and Selection of WiFi Channel State Information Features for Human Activity Detection in a Smart Public Transportation System
Published 2024-01-01“…The reported classification results show that using only the chirp rate estimated from CSI information as a feature, we achieve precision = 83%, True Positive <inline-formula> <tex-math notation="LaTeX">$(TP)=94\%$ </tex-math></inline-formula>, True Negative <inline-formula> <tex-math notation="LaTeX">$(TN)= 91\%$ </tex-math></inline-formula> and F1-score = 87%. …”
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386
PSO-Aided Inverse Design of Silicon Modulator
Published 2024-01-01“…To tackle this issue, the idea of inverse design, widely adopted in passive photonic devices, can be employed in silicon active devices. As a result, we incorporate the inverse design method with the particle swarm optimization (PSO) algorithm and achieve a G-shaped doping profile for the modulator, exhibiting superior <inline-formula><tex-math notation="LaTeX">$V_{\pi } L$</tex-math></inline-formula> of 0.68 V<inline-formula><tex-math notation="LaTeX">$\cdot$</tex-math></inline-formula>cm and low loss of 9.3 dB/cm. …”
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387
FORMULATION OF CREAM BODY SCRUB FROM ETHANOL EXTRACT OF CASSAVA LEAVES (Manihot esculenta) AS ANTIOXIDANT
Published 2020-07-01“…Determination of antioxidant activity by the method of reduction of free radical DPPH (1,1-diphenyl-2-picryl-hydrazyl). Result : The ethanol extract of cassava leaves are formulated into dosage cream body scrub with concentration variations 0,0085 mg/mL (formula 1), 0,017 mg/mL (formula 2), and 0,0255 mg/mL (formula 3). …”
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388
Reliable Quantized Fuzzy Controller Design for Nonlinear Singularly Perturbed Systems With Markovian Jumps and Dynamic Event Triggered Mechanism
Published 2025-01-01“…The proposed approach is based on the following key attributes: 1) An event-triggered mechanism that establishes a suitable condition for independent signal transmission from each sensor node to the controller; 2) A stochastic failure model that describes actuator failures; 3) A non-stationary Markov chain that reflects the asynchronous relationship between the system and controller modes; 4) A mode-dependent Lyapunov function is used to establish sufficient conditions to show that the resultant closed-loop system is stochastically mean-square stable with a <inline-formula> <tex-math notation="LaTeX">$\gamma $ </tex-math></inline-formula> level of <inline-formula> <tex-math notation="LaTeX">$ l_{2}-l_{\infty } $ </tex-math></inline-formula> performance index; 5) The theoretical findings are validated by a real numerical example of the Van Der Pol circuit, confirming the effectiveness of the proposed strategy.…”
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389
Optimization of the Screw Conveyor Device Based on a GA-BP Neural Network
Published 2025-01-01“…The experimental results indicated that the model’s prediction results were reliable and exhibited higher efficiency compared to other combinations. …”
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390
Exponential Stability and ℒ<sub>1</sub>-Gain Performance for Positive Sampled-Data Control Systems
Published 2024-12-01“…This paper aims to explore the application of sampling control technology in positive Markov jump systems (PMJSs), focusing on the exponential stability in mean and <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msub><mi mathvariant="script">L</mi><mn>1</mn></msub></semantics></math></inline-formula>-gain performance of the system. …”
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391
Reconfigurable mmWave Planar Phased Array Featuring Wide Elevation and Full Azimuth Spatial Coverage for 5G Vehicular Application
Published 2025-01-01“…During simulation, the array demonstrates isolation levels surpassing 20 dB and exhibits a broad <inline-formula> <tex-math notation="LaTeX">$-10 \, \text {dB}$ </tex-math></inline-formula> impedance bandwidth spanning <inline-formula> <tex-math notation="LaTeX">$6570 \, \text {MHz}~(24.36$ </tex-math></inline-formula>–<inline-formula> <tex-math notation="LaTeX">$30.93 \, \text {GHz}$ </tex-math></inline-formula>). …”
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392
Relaxation Digital-to-Analog Converters Featuring Self-Calibration and Parasitics-Induced Error Suppression in 180-nm CMOS
Published 2025-01-01“…Experimental results at 0.65V reveal a 72.18dB-SFDR, a 65.59dB-THD and a 56.09dB SINAD, resulting in 9.02ENOB, with a power dissipation of just <inline-formula> <tex-math notation="LaTeX">$3.3\mu $ </tex-math></inline-formula> W, achieving a competitive energy-efficiency (area-normalized energy efficiency) figure of merit FOM (<inline-formula> <tex-math notation="LaTeX">$\mathrm {FOM_{A}}$ </tex-math></inline-formula>) of 166dB (175dB). …”
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393
Design and Analysis of Two-Port Self-Decoupled Highly Efficient MIMO Antenna for 5G New Radio Mid-Band (n1/n2/n3) Wireless Communication
Published 2025-01-01“…The proposed MIMO antenna have a total foot print area of <inline-formula> <tex-math notation="LaTeX">$0.82\lambda _{0}$ </tex-math></inline-formula> mm<inline-formula> <tex-math notation="LaTeX">$_{\mathrm {x}}~0.41\lambda _{0}$ </tex-math></inline-formula> mm x <inline-formula> <tex-math notation="LaTeX">$0.0057\lambda _{0}$ </tex-math></inline-formula> mm, where <inline-formula> <tex-math notation="LaTeX">$\lambda _{0}$ </tex-math></inline-formula> is free space wavelength considering 2.05GHz frequency. …”
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394
A reliable analytical procedure to determine the carbon isotopic signature of CO<sub>2</sub>-bearing COH fluids generated in petrological experiments
Published 2025-01-01“…<p>The ratio of stable carbon isotopes, <span class="inline-formula"><i>δ</i><sup>13</sup></span>C, serves as a fundamental tracer for geological processes. …”
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395
Voltage Reference and Voltage Regulator for the Cryogenic Performance Evaluation of the 22nm FDSOI Technology
Published 2024-01-01“…Our experimental results indicate that the cryogenic <inline-formula> <tex-math notation="LaTeX">$V_{\text {th}}$ </tex-math></inline-formula> saturation and the <inline-formula> <tex-math notation="LaTeX">$g_{m}$ </tex-math></inline-formula> increase can be used as circuit design tools, while the LF excess noise is a performance handicap for cryogenic analog circuits.…”
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396
High Stability Single-Port Dual Band Microwave Sensor Based on Interdigital Capacitor Structure With Asymmetry Branch Feedline
Published 2025-01-01“…Based on the measurement results, the sensor has high stability both without and with disturbance with an a Frequency Detection Resolution (FDR) of 0.009 - 0.4 GHz/<inline-formula> <tex-math notation="LaTeX">$\Delta \varepsilon _{\mathrm {r}}$ </tex-math></inline-formula>, a Normalized Sensitivity (NS) of 0.4% - 4.4%, and an average accuracy of 90% - 95% for both resonance frequencies, respectively. …”
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397
Office BP measurement using conical cuffs in children and adolescents with obesity
Published 2024-12-01“…Arm circumference AC was measured in all participants, and the appropriate cuff size was selected for both conical and cylindrical cuffs.Results Mean participants’ age was 11.8[Formula: see text]2.5 years, mean BMI was 28.8[Formula: see text]3.4 kg/m2, mean BMI z-score was 2.12[Formula: see text]0.32, and mean AC was 30.0[Formula: see text]3.6 cm. …”
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398
High-Throughput Phenotyping for Agronomic Traits in Cassava Using Aerial Imaging
Published 2024-12-01“…The predictive ability for dry matter content increased with flight height for the GLMSS model (<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><msup><mrow><mi>R</mi></mrow><mrow><mn>2</mn></mrow></msup></mrow></semantics></math></inline-formula> = 0.26 at 20 m and <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><msup><mrow><mi>R</mi></mrow><mrow><mn>2</mn></mrow></msup></mrow></semantics></math></inline-formula> = 0.44 at 60 m), while plant vigor ranged from <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><msup><mrow><mi>R</mi></mrow><mrow><mn>2</mn></mrow></msup></mrow></semantics></math></inline-formula> = 0.50 at 20 m to <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><msup><mrow><mi>R</mi></mrow><mrow><mn>2</mn></mrow></msup></mrow></semantics></math></inline-formula> = 0.47 at 40 m in the KNN model. …”
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399
Impact of Key DMD Parameters on Modal Analysis of High-Reynolds-Number Flow Around an Idealized Ground Vehicle
Published 2025-01-01“…Key findings show that a 90% contribution to the pressure drag comes from modes with a frequency of less than 26 Hz (<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mi>S</mi><mi>t</mi></mrow></semantics></math></inline-formula> = 0.187), while the friction drag requires 84 Hz (<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mi>S</mi><mi>t</mi></mrow></semantics></math></inline-formula> = 0.604) for similar energy capture. …”
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400
Quality check of pedagogical dough on the higher mathematics on a subject "theory of function of a complex variable"
Published 2017-06-01“…Results of researches showed that for improvement of quality of dough it is necessary to increase number of tasks according to a frequency rate formula, or to change some tasks.…”
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