Showing 241 - 260 results of 521 for search '"transmitter"', query time: 0.05s Refine Results
  1. 241

    Gamma Oscillations Facilitate Effective Learning in Excitatory-Inhibitory Balanced Neural Circuits by Kwan Tung Li, Junhao Liang, Changsong Zhou

    Published 2021-01-01
    “…We study an excitatory-inhibitory (E-I) integrate-and-fire neuronal network with triplet STDP, heterosynaptic plasticity, and a transmitter-induced plasticity. Our results show that the performance of plasticity is diverse in different synchronization levels. …”
    Get full text
    Article
  2. 242

    The Shipwreck of the Airship “Dirigibile Italia” in the 1928 Polar Venture: A Retrospective Analysis of the Ionospheric and Geomagnetic Conditions by B. Zolesi, M. Pezzopane, C. Bianchi, A. Meloni, Lj. R. Cander, R. Tozzi

    Published 2020-07-01
    “…Survivors, by using a portable high frequency (HF) radio transmitter, tried unsuccessfully to send SOS messages and to establish a radio link with the ship “Città di Milano” of the Italian Navy, closely anchored at King's Bay. …”
    Get full text
    Article
  3. 243

    Free space optical communication based on a multi-wavelength optical phased array using Fresnel reflection by Eisuke Haraguchi, Hitomi Ono, Takahiro Suzuki, Tomohiro Akiyama, Akihiro Fujie, Yuta Takemoto, Toshiyuki Ando

    Published 2025-01-01
    “…We report a coherent laser transmitter for free space optical communications based on multiwavelength coherent beam combining. …”
    Get full text
    Article
  4. 244

    Multi-Functional Reconfigurable Intelligent Surface Assisted Security Communication Systems Under Imperfect CSI of Eavesdroppers by Rui-Bao Zhang, Dian-Wu Yue, Yu Sun

    Published 2025-01-01
    “…Based on the bounded CSI error model, this paper strictly limits the upper bound of information leakage to potential eavesdroppers and seeks to maximize the system sum rate by jointly optimizing the beamforming at the transmitter side and the coupled phase shifts of the MF-RIS. …”
    Get full text
    Article
  5. 245

    From Antenna Design to High Fidelity, Full Physics Automotive Radar Sensor Corner Case Simulation by Ushemadzoro Chipengo, Peter M. Krenz, Shawn Carpenter

    Published 2018-01-01
    “…The design and optimization of both transmitter and receiver antennas is presented. Antenna interaction with vehicle bumper and fascia is also investigated. …”
    Get full text
    Article
  6. 246

    The Nrf2/ARE Pathway: A Promising Target to Counteract Mitochondrial Dysfunction in Parkinson's Disease by Kemal Ugur Tufekci, Ezgi Civi Bayin, Sermin Genc, Kursad Genc

    Published 2011-01-01
    “…Mitochondrial dysfunction is a prominent feature of various neurodegenerative diseases as strict regulation of integrated mitochondrial functions is essential for neuronal signaling, plasticity, and transmitter release. Many lines of evidence suggest that mitochondrial dysfunction plays a central role in the pathogenesis of Parkinson's disease (PD). …”
    Get full text
    Article
  7. 247

    Research on Pressure Drop in the Accelerate Zone of Horizontal Conveying of Concrete Spraying by Guanguo Ma, Zhaoxia Liu, Xiaobing Gong, Lianjun Chen, Guoming Liu, Gang Pan, Qizheng Dong

    Published 2019-01-01
    “…A pressure transmitter was installed at a specific position in a concrete conveying line to disclose the pressure drop when compressed air was conveyed during concrete spraying. …”
    Get full text
    Article
  8. 248

    Wavelength Tuning Free Transceiver Module in OLT Downstream Multicasting 4λ × 10 Gb/s TWDM-PON System by M. S. Salleh, A. S. M. Supa’at, S. M. Idrus, S. Yaakob, Z. M. Yusof

    Published 2014-01-01
    “…Meanwhile, the fixed wavelength optical line terminal (OLT) transmitter with wavelength tuning free features has been designed to integrate with the semiconductor optical amplifier (SOA) and passive arrayed waveguide grating (AWG). …”
    Get full text
    Article
  9. 249

    A Genetic Algorithm with Location Intelligence Method for Energy Optimization in 5G Wireless Networks by Ruchi Sachan, Tae Jong Choi, Chang Wook Ahn

    Published 2016-01-01
    “…In this paper, we define a network planning as an optimization problem with the decision variables such as transmission power and transmitter (BS) location in 5G networks. The decision variables lent themselves to interesting implementation using several heuristic approaches, such as differential evolution (DE) algorithm and Real-coded Genetic Algorithm (RGA). …”
    Get full text
    Article
  10. 250

    Real-Time Implementation of a Novel Design Approach for Sub-GHz Long-Range Antenna for Smart Internet of Things Communication by Sneha Bhardwaj, Praveen Kumar Malik, Anish Gupta, Rajesh Singh

    Published 2023-01-01
    “…The antenna is connected as a transmitter and receiver one by one to verify its performance with machine-to-machine communication using the LoRa module. …”
    Get full text
    Article
  11. 251

    Constellation Optimization for MIMO VLC System With Signal-Dependent Noise: Receiver-Side Design and Lookup Table Establishment by Jiaqi Wei, Yuan Wang, Nuo Huang, Yan-Yu Zhang, Yi-Jun Zhu, Wenliang Hao, Chen Gong

    Published 2025-01-01
    “…In order to obtain the transmitter constellation, we design the demapping rules from the perspective of energy efficiency and illumination uniformity. …”
    Get full text
    Article
  12. 252

    Information-Theoretic Analysis of Underwater Acoustic OFDM Systems in Highly Dispersive Channels by Francois-Xavier Socheleau, Milica Stojanovic, Christophe Laot, Jean-Michel Passerieux

    Published 2012-01-01
    “…This paper investigates the signal-to-interference ratio and the achievable rates of underwater acoustic (UA) OFDM systems over channels where time and frequency dispersion are high enough that (i) neither the transmitter nor the receiver can have a priori knowledge of the channel state information and (ii) intersymbol/intercarrier interference (ISI/ICI) cannot be neglected in the information-theoretic treatment. …”
    Get full text
    Article
  13. 253

    Dynamic connectedness and volatility spillover in the Brazilian agricultural market after the Covid-19 pandemic by Daniel Henrique Dario Capitani, Luiz Eduardo Gaio

    Published 2024-12-01
    “…Overall, the exchange rate and soybean were the largest net transmitters during the pre- and post-Covid-19 pandemic, and corn was a net receiver. …”
    Get full text
    Article
  14. 254

    Path Loss Channel Model for Inland River Radio Propagation at 1.4 GHz by Junyi Yu, Wei Chen, Kun Yang, Changzhen Li, Fang Li, Yishui Shui

    Published 2017-01-01
    “…., large buildings, bridges, or some other facilities near the river bank) is also taken into account; mixed-path methodology as another improvement is used for Inland River (IR) model because the actual propagation environment between transmitter (TX) antenna and receiver (RX) antenna contains both land part and water part. …”
    Get full text
    Article
  15. 255

    Télémonitorage des grandes fonctions physiologiques chez les primates vigiles by Guy Germain

    Published 2011-06-01
    “…All telemetry devices operate on the same basic principle which consists in one or more sensors coupled to a radio-encoder transmitter and an antenna system coupled to an analog or digital, receiver-decoder. …”
    Get full text
    Article
  16. 256

    Improve Quality Factor by Using DWDM Technology for Long Distances and Different Power Levels by Mariam lazem, Ali Mahdi Hammadi, Ali Al-Askery

    Published 2022-12-01
    “… In optical fiber communications, data travels from the transmitter to the receiver, where it is collected and converted from optical pulses into electrical signals. …”
    Get full text
    Article
  17. 257

    Hydroacoustic communication channel capacity by V. E. Denisov

    Published 2023-02-01
    “…A model of a single-path channel was considered, which is characteristic of the deep sea with the receiver or transmitter placed at a sufficient depth.Methods. Concepts of applied hydroacoustics, the theory of random processes, and information theory were used. …”
    Get full text
    Article
  18. 258

    Opposite roles of serotonin and neuropeptide FMRFamide in the regulation of epigenetic processes involved in the longterm memory formation by L. N. Grinkevich, O. V. Vorobiova

    Published 2016-05-01
    “…Serotonin strengthens synaptic connections between neurons of the network, and FMRFamid is an inhibitory transmitter leading to long-term depression. To study the epigenetic regulation of the processes involved in the long-term memory formation, we performed comparative studies on the serotonin and FMRFamide effects on histone H3 methylation in the CNS of the Helix. …”
    Get full text
    Article
  19. 259

    Optimal nonlinear filtering of MPSK signals in the presence of a Doppler frequency shift by G. V. Kulikov, T. T. Do, R. R. Usmanov

    Published 2022-03-01
    “…Comparison of the results of this work with results obtained in the case of the absence of fluctuations in the initial phase showed that, at a high relative speed of the transmitter and the receiver (satellite radio channel), the energy loss is no more than 1 dB, and at lower speeds of the objects, it is about 0.2 dB and less.…”
    Get full text
    Article
  20. 260

    Available Degrees of Spatial Multiplexing of a Uniform Linear Array With Multiple Polarizations: A Holographic Perspective by Xavier Mestre, Adrian Agustin, David Sarda

    Published 2025-01-01
    “…From the analysis it can be concluded that the use of three orthogonal polarizations at the transmitter guarantees the universal availability of at least two spatial streams everywhere.…”
    Get full text
    Article