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  1. 12541

    A Reconfigurable Analog Baseband Circuitry for LFMCW RADAR Receivers in 130-nm SiGe BiCMOS Process by Jingyu Han, Yu Jiang, Guiliang Guo, Xu Cheng

    Published 2020-05-01
    “…The topology includes a course gain tuning pre-amplifier, a folded Gilbert variable gain amplifier (VGA) with a symmetrical dB-linear voltage generator and a 10-bit R-2R DAC for fine gain tuning, a level shifter, a programmable G<sub>m</sub>-C low pass filter, a DC offset cancellation circuit, two fixed gain amplifiers with bandwidth extension and a novel buffer amplifier with active peaking for testing purposes. …”
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  2. 12542

    Time parameters linear approximation method in elastic systems by Ilya G. Martynchuk, Sergei A. Zhmylev

    Published 2023-06-01
    “…The developed method, in contrast to the least squares method, is free from the disadvantage associated with operations with quadratic dependencies, which makes it possible to use it more widely in the conditions of limited bit grid of some architectures.…”
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  3. 12543

    A High-Security Probabilistic Constellation Shaping Transmission Scheme Based on Recurrent Neural Networks by Shuyu Zhou, Bo Liu, Jianxin Ren, Yaya Mao, Xiangyu Wu, Zeqian Guo, Xu Zhu, Zhongwen Ding, Mengjie Wu, Feng Wang, Rahat Ullah, Yongfeng Wu, Lilong Zhao, Ying Li

    Published 2023-09-01
    “…The RNN-trained probabilistic shaping scheme achieves a transmission gain of 1.23 dB compared to the standard 16QAM signal, 0.39 dB compared to the standard Maxwell-Boltzmann (M-B) distribution signal, and a higher net bit rate. The proposed encryption scheme has higher randomness and security than the conventional integer-order chaotic system, with a key space of 10,163. …”
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  4. 12544

    Hydropower Generation Through Pump as Turbine: Experimental Study and Potential Application to Small-Scale WDN by Matteo Postacchini, Giovanna Darvini, Fiorenza Finizio, Leonardo Pelagalli, Luciano Soldini, Elisa Di Giuseppe

    Published 2020-03-01
    “…When a larger mean water demand is assumed, much better performances are reached, especially for large speeds (1250 rpm) that lead to mechanical powers larger than 1 kW combined to head drops a bit larger than those observed using the PRV. A suitable design is thus fundamental for the real-world PAT application.…”
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  5. 12545

    On the Energy Efficiency of On-Off Keying Transmitters with Two Distinct Types of Batteries by Tingting Shen, Tao Wang, Yanzan Sun, Yating Wu, Yanliang Jin

    Published 2018-04-01
    “…This paper considers a battery-powered transmitter using on-off keying (OOK) modulation and studies its energy efficiency in terms of the battery&rsquo;s energy consumption for per bit transmission (BECPB). In particular, the transmitter may use one of two distinct types of batteries with battery utilization factor (BUF) depending on discharge current. …”
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  6. 12546

    Prediction performance of scoring systems after out-of-hospital cardiac arrest: A systematic review and meta-analysis. by Boldizsár Kiss, Rita Nagy, Tamás Kói, Andrea Harnos, István Ferenc Édes, Pál Ábrahám, Henriette Mészáros, Péter Hegyi, Endre Zima

    Published 2024-01-01
    “…<h4>Conclusion</h4>Based on our results CAHP is the most accurate scoring system for predicting the neurological outcome at hospital discharge and is a bit less accurate than TTM score for the 6-month outcome. …”
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  7. 12547

    A Closed Form Selected Mapping Algorithm for PAPR Reduction in OFDM Multicarrier Transmission by Sara Carcangiu, Alessandra Fanni, Augusto Montisci

    Published 2022-03-01
    “…Moreover, as this calculation must be performed online, both the computational cost and the effect on the bit rate (BR) cannot be established a priori. The proposed analytic algorithm finds the optimal phase shifts of an approximated formulation of the PAPR. …”
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  8. 12548

    Fungal Community Analysis and Biodeterioration of Waterlogged Wooden Lacquerware from the Nanhai No. 1 Shipwreck by Yin Jia, Liuyu Yin, Fengyu Zhang, Mei Wang, Mingliang Sun, Cuiting Hu, Zijun Liu, Yue Chen, Jie Liu, Jiao Pan

    Published 2020-05-01
    “…Four biocidal products (Preventol<sup>®</sup> D7, P91, BIT 20N, and Euxyl<sup>®</sup> K100) inhibited the growth of the fungal species in vitro effectively. …”
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  9. 12549

    Efficient Layered Parallel Architecture and Application for Large Matrix LDPC Decoder by Jimin Wang, Jiarui Yang, Guojie Zhang, Xiaoyang Zeng, Yun Chen

    Published 2023-09-01
    “…By parallel processing of three submatrices and storage reuse of node information, optimizing the matrix partitioning and processing order of the 50G-PON standard, the throughput of 1235 bps was reached under 100 MHz circuit frequency in field-programmable gate array (FPGA) implementation, and 9.864 Gbps was achieved based on Taiwan semiconductor manufacturing company (TSMC) 65 nm synthesis with 800 MHz circuit frequency in an area of 2.61 mm<inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msup><mrow></mrow><mn>2</mn></msup></semantics></math></inline-formula> by proposing a mechanism of spare decision storage to avoid errors caused by quantization overflow of the decoder and using full verification to terminate decoding in advance to improve performance. Finally, at an input bit error rate (BER) of <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mn>2.3</mn><mo>×</mo><msup><mn>10</mn><mrow><mo>−</mo><mn>2</mn></mrow></msup></mrow></semantics></math></inline-formula> (signal-to-noise ratio (SNR) of about 3.72 dB), the output BER was lower than <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msup><mn>10</mn><mrow><mo>−</mo><mn>12</mn></mrow></msup></semantics></math></inline-formula>, and the throughput area rate (TAR) also increased by 2 to 4 times compared with other papers. …”
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  10. 12550
  11. 12551

    When Should Recommenders Account for Low QoS&#x003F; by Mateus Schulz Nogueira, Joao Ismael Damasceno Pinheiro, Felipe Assis, Daniel Sadoc Menasche, Pavlos Sermpezis, Thrasyvoulos Spyropoulos

    Published 2023-01-01
    “…Then, we verified that making requests a bit trendier can hit much closer content.…”
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  12. 12552

    A hybrid P300-SSVEP brain-computer interface speller with a frequency enhanced row and column paradigm by Xin Bai, Xin Bai, Minglun Li, Shouliang Qi, Shouliang Qi, Anna Ching Mei Ng, Tit Ng, Wei Qian

    Published 2023-03-01
    “…A wavelet and support vector machine (SVM) combination is adopted for P300 detection, an ensemble task-related component analysis (TRCA) method is used for SSVEP detection, and the two detection possibilities are fused using a weight control approach.ResultsThe implemented BCI speller achieved an accuracy of 94.29% and an information transfer rate (ITR) of 28.64 bit/min averaged across 10 subjects during the online tests. …”
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  13. 12553

    Geometric, kinematic and dynamic parameters of the disc ripper by V. A. Nikolayev

    Published 2021-11-01
    “…For loosening of soil in the unit used bit-like working bodies. Often, disc working bodies are used to cut the soil. …”
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  14. 12554

    A flexible and visually meaningful multi-image compression, encryption and hiding scheme based on 2D compressive sensing by Dongming Huo, Zhilong Zhu, Xin Zhou, Lisheng Wei, Xing Bai, Yanzhi Bai, Chao Han

    Published 2023-03-01
    “…In the embedding process, integer wavelet transform and bit-plane decomposition are used to embed multiple secret images into the quantized coefficient matrix of host image to get the modified coefficient matrix, and then the inverse integer wavelet transform is used to transform the modified coefficient matrix into spatial space to get the visually meaningful cipher image. …”
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  15. 12555

    Experimental and theoretical analysis of rock failure characteristics by a single PDC cutter under downhole pressurized conditions by Zhun Rong, Xianwei Dai, Shuang Yan, Yang Liu, Qi Zhang, Hao Fu, Jianlin Yao

    Published 2023-08-01
    “…The development of high-efficiency polycrystalline diamond compact (PDC) bits plays a major role in developing unconventional oil and gas. …”
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  16. 12556

    An Enhanced VLC Channel Model for Underground Mining Environments Considering a 3D Dust Particle Distribution Model by Pablo Palacios Játiva, Cesar A. Azurdia-Meza, Iván Sánchez, David Zabala-Blanco, Ali Dehghan Firoozabadi, Ismael Soto, Fabian Seguel

    Published 2022-03-01
    “…The performance of the proposed UM-VLC system is evaluated using computational numerical simulations following the IEEE 802.1.5.7 standard in terms of Channel Impulse Response (CIR), received power, Signal-to-Noise-Ratio (SNR), Root Mean Square (RMS) delay spread, and Bit Error Rate (BER). The results demonstrate that the hemispherical dust particle distribution model is more accurate and realistic in terms of the metrics evaluated compared to other models found in the literature. …”
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  17. 12557

    Silicon-based decoder for polarization-encoding quantum key distribution by Yongqiang Du, Xun Zhu, Xin Hua, Zhengeng Zhao, Xiao Hu, Yi Qian, Xi Xiao, Kejin Wei

    Published 2023-03-01
    “…In the experimental stability test, an average quantum bit error rate of 0.59% was achieved through continuous operation for 10 h without any polarization feedback. …”
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  18. 12558

    Phase-Dislocation-Mediated High-Dimensional Fractional Acoustic-Vortex Communication by Ruijie Cao, Gepu Guo, Wei Yue, Yang Huang, Xinpeng Li, Chengzhi Kai, Yuzhi Li, Juan Tu, Dong Zhang, Peng Xi, Qingyu Ma

    Published 2023-01-01
    “…We experimentally present that the 32-point dual-ring sampling can realize the 10-bit information transmission in a limited topological charge scope from ±0.6 to ±2.4 with the FOAM resolution of 0.2, which greatly reduce the divergence in AV communications. …”
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  19. 12559

    Physically unclonable functions with controlled propagation delay by V. N. Yarmolik, A. A. Ivaniuk, N. N. Shynkevich

    Published 2022-03-01
    “…The features and properties of PUF with controlled delay of signals of the ring oscillator type are investigated and possible solutions are shown for the case of two-bit input requests. A basic element and its modifications are proposed for constructing new PUF structures based on the control of the signal propagation delay. …”
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  20. 12560

    A Multilayered Magnetoelectric Transmitter with Suppressed Nonlinearity for Portable VLF Communication by Zhaoqiang Chu, Zhineng Mao, Kaixin Song, Shizhan Jiang, Shugang Min, Wei Dan, Chenyuan Yu, Meiyu Wu, Yinghui Ren, Zhichao Lu, Jie Jiao, Tianxiang Nan, Shuxiang Dong

    Published 2023-01-01
    “…Finally, a communication link transmitting binary American Standard Code for Information Interchange-coded message is built, which allows for an error-free communication with a distance of 18 m and a data rate of 300 bit/s in the presence of heavy environment noise. …”
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