Academic literature on the topic 'Signal stations'

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Journal articles on the topic "Signal stations"

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Mayowa, Gbalaja. "Assessment of Radio Waves Propagation Pattern from Radio Stations in Lokoja and Okene, Kogi State, Nigeria." Advanced Journal of Science, Technology and Engineering 2, no. 1 (2022): 78–92. http://dx.doi.org/10.52589/ajste-au9cs6sp.

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Okene, Lokoja and their environs have been experiencing radio signal distortions and have been of great concern to the citizens due to bad quality signals and signal attenuation increase. This study assesses the patterns of radio wave propagation from five radio stations in Lokoja and Okene, Kogi State, Nigeria. Equipment, a field strength metre was used to measure signal strengths and quality of radio signals. Six locations in both Lokoja, Okene and the environs were selected for each radio station. The approximate distances between the transmitting and receiving antennas were determined. Thi
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Wang, Xiaoye, Yalan Wang, Leyun Fu, and Qing Hu. "An AIS Base Station Credibility Monitoring Method Based on Service Radius Detection Patterns in Complex Sea Surface Environments." Journal of Marine Science and Engineering 12, no. 8 (2024): 1352. http://dx.doi.org/10.3390/jmse12081352.

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The Automatic Identification System (AIS) utilizes base stations to manage vessel traffic and disseminate waterway information. These stations broadcast maritime safety data to vessels within their service radius using VHF signals. However, the emergence of “spoofing base stations” poses a significant threat to maritime safety. These impostors mimic legitimate AIS base stations by appropriating their Maritime Mobile Service Identity (MMSI) information, interacting with vessels, potentially leading to erroneous decisions, or guiding vessels into hazardous areas. Therefore, ensuring the credibil
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Jin, Jionghua. "Individual Station Monitoring Using Press Tonnage Sensors for Multiple Operation Stamping Processes." Journal of Manufacturing Science and Engineering 126, no. 1 (2004): 83–90. http://dx.doi.org/10.1115/1.1643749.

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In multiple operation stamping processes, a press tonnage signal measured by press tonnage sensors installed on press linkages/uprights, is the summation of die forces at all stations. Different from the current practice of using a whole cycle of press tonnage signals to monitor the compound condition of all stations, this paper proposes a new method to use the partitioned monitoring segments of press tonnage signals to monitor individual station conditions. For this purpose, a generic signal segmentation principle is proposed, and the Hotelling T2 control charts are developed with considerati
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Yusuf, Samson Dauda, Mayowa Gbalaja, Obiri Game Okara, and Sule Idris Isah. "Comparative Analysis of the Signal Strength of Two Radio Stations in Okene, Kogi State, Nigeria." Archives of Current Research International 24, no. 11 (2024): 111–20. http://dx.doi.org/10.9734/acri/2024/v24i11953.

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There are significant concerns for the citizens of Okene and its surroundings; regarding the distortions experienced in radio signals due to increased attenuation, which have resulted in poor signal quality. This study carried out a comparative analysis of the signal strength of two radio broadcast stations in Okene, Kogi State, Nigeria, using a field strength meter. The study involved measuring the signal strength for each radio stations at six selected locations in Okene and surrounding area. The wavelength and free space path-loss was calculated at sixteen different locations. The results i
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Parshutkin, Andrey, Dmitry Levin, and Aleksey Galandzovskiy. "Simulation model of radar data processing in a station network under signal-like interference." Information and Control Systems, no. 6 (January 16, 2020): 22–31. http://dx.doi.org/10.31799/1684-8853-2019-6-22-31.

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Introduction: Radar stations, when tracking targets in a complex interference environment, form not only target marks but also false marks. A well-developed theory and technique of noise stability is not useful under signal-like interference caused by re-reflections, multi-path propagation or retransmission of the probing signals. The reliability of radar information processing under signal-like interference can be improved by joint processing of data from several spaced posts in a radar station network. Purpose: development of а simulation model which would allow you to estimate the effective
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Chang, Sang-Yoon, Kyungmin Park, Jonghyun Kim, and Jinoh Kim. "Flying Base Station Channel Capacity Limits: Dependent on Stationary Base Station and Independent of Positioning." Electronics 13, no. 12 (2024): 2234. http://dx.doi.org/10.3390/electronics13122234.

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Flying base stations, also known as aerial base stations, provide wireless connectivity to the user and utilize their aerial mobility to improve communication performance. Flying base stations depend on traditional stationary terrestrial base stations for connectivity, as stationary base stations act as the gateway to the backhaul/cloud via a wired connection. We introduce the flying base station channel capacity to build on the Shannon channel capacity, which quantifies the upper-bound limit of the rate at which information can be reliably transmitted using the communication channel regardles
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FABO, Peter, Pavol NEJEDLÍK, Michal KUBA, Milan ONDERKA, and Dušan PODHORSKÝ. "Applicability of the ultra-high radio frequency band (UHF) for hydrometeor detection by phase difference method." Contributions to Geophysics and Geodesy 51, no. 2 (2021): 109–27. http://dx.doi.org/10.31577/congeo.2021.51.2.1.

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Hydrometeors (rain, fog and ice crystals) affect the transmission of electromagnetic signals. Previous research showed that alterations in the signal (amplitude and phase) are affected by the composition of the atmosphere, e.g. the presence of hydrometeors. The majority of hydrometeorological detecting methods are based on the attenuation of electromagnetic signals as they penetrate the atmosphere. Novel methods based on monitoring of parameters of the signal appeared in recent time. This article presents the first results from our investigation of how hydrometeors affect the phase differences
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Turner, Ross J., Anya M. Reading, and Matt A. King. "Separation of tectonic and local components of horizontal GPS station velocities: a case study for glacial isostatic adjustment in East Antarctica." Geophysical Journal International 222, no. 3 (2020): 1555–69. http://dx.doi.org/10.1093/gji/ggaa265.

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SUMMARY Accurate measurement of the local component of geodetic motion at GPS stations presents a challenge due to the need to separate this signal from the tectonic plate rotation. A pressing example is the observation of glacial isostatic adjustment (GIA) which constrains the Earth’s response to ice unloading, and hence, contributions of ice-covered regions such as Antarctica to global sea level rise following ice mass loss. While both vertical and horizontal motions are of interest in general, we focus on horizontal GPS velocities which typically contain a large component of plate rotation
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Shi, Xinlei, Xiaofei Zhang, and Haowei Zeng. "Direct Position Determination of Non-Circular Sources for Multiple Arrays via Weighted Euler ESPRIT Data Fusion Method." Applied Sciences 12, no. 5 (2022): 2503. http://dx.doi.org/10.3390/app12052503.

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In recent years, direct position determination (DPD) with multiple arrays for non-circular (NC) signals is a hot topic to research. Conventional DPD techniques with spectral peak search methods have high computational complexity and are sensitive to the locations of the observation stations. Besides, there will be loss when the signal propagates in the air, which leads to different received signal-to-noise ratios (SNRs) for each observation station. To attack the problems mentioned above, this paper derives direct position determination of non-circular sources for multiple arrays via weighted
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Wei, S. S., Xiao Qing Zeng, T. Shen, Y. J. Chen, and W. Y. Wang. "A Method for Correction Ranging of Train Based on RSSI." Applied Mechanics and Materials 743 (March 2015): 484–90. http://dx.doi.org/10.4028/www.scientific.net/amm.743.484.

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In the railway operation, it's significant to obtain the distances between trains. A method based on RSSI for ranging and correction is proposed in this paper. The devices include a number of base stations installed along railways. The front train would send an active signal to the nearby base station N, when it transmits power signal to the following one. The following train also gives an active signal to its nearest base station 1 which would be enabled to gain signal from station N. The error of per meter of every section would be calculated by the known distance between base stations. The
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Dissertations / Theses on the topic "Signal stations"

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Qasim, Muhammad, and Ali Chaudhry Majid. "Signal Processing on Ambric Processor Array : Baseband processing in radio base stations." Thesis, Halmstad University, School of Information Science, Computer and Electrical Engineering (IDE), 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-1660.

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<p>The advanced signal processing systems of today require extreme data throughput and low power consumption. The only way to accomplish this is to use parallel processor architecture.</p><p>The aim of this thesis was to evaluate the use of parallel processor architecture in baseband signal processing. This has been done by implementing three demanding algorithms in LTE on Ambric Am2000 family Massively Parallel Processor Array (MPPA). The Ambric chip is evaluated in terms of computational performance, efficiency of the development tools, algorithm and I/O mapping.</p><p>Implementations of Ma
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Chaufray, Jean-Marie. "Détection et démodulation de stations de base dans le réseau UMTS." Marne-la-Vallée, 2003. http://www.theses.fr/2003MARN0161.

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Cette thèse qui s’est déroulée dans le cadre d’un contrat CIFRE entre Thales Communications et l’Université de Marne-la-Vallée s’inscrit dans le contexte d’un projet européen. Les travaux effectués concernent la détection et la démodulation de stations de base d’un réseau UMTS-FDD, à l’aide d’une antenne munie de plusieurs capteurs. Dans une première partie, nous avons développé et testé une procédure pour la détection et la synchronisation des stations de base basée sur des algorithmes exploitant les dimensions spatiale et temporelle des signaux reçus. La deuxième partie est consacrée à l’est
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Gollbo, Simon, and Adam Sköld. "Base stations for communication in obstructed environments." Thesis, Uppsala universitet, Signaler och System, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-255243.

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The purpose of this project was to produce signal relay stations that could receive information via 2.4 GHz radio and relay the information to a designated target station. If a relay station was located outside of signal range for the target station it was supposed to utilize other relay stations to transfer the information to the target station, so called multi-hop. The would-be application of the relay stations was orienteering. When an orienteer punches a checkpoint the signal stations would relay information of who punched the control, when it was punched and the checkpoint that was punche
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Law, Eugene. "TECHNIQUE FOR DETERMINING THE POWER FLUX DENSITY OF INTERFERING SIGNALS AT TELEMETRY RECEIVING STATIONS." International Foundation for Telemetering, 2005. http://hdl.handle.net/10150/604814.

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ITC/USA 2005 Conference Proceedings / The Forty-First Annual International Telemetering Conference and Technical Exhibition / October 24-27, 2005 / Riviera Hotel & Convention Center, Las Vegas, Nevada<br>This paper will present techniques for accurately measuring the power flux density (PFD) of interfering signals at telemetry receiving stations. The solar power flux density is measured daily by radio astronomers and will be used as a calibration signal. The electromagnetic spectrum is being used more intensely as time marches on so being familiar with interference measurement techniques i
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ERTUNCAY, DENIZ. "Temporal and spatial analysis of near fault stations in terms of impulsive behavior." Doctoral thesis, Università degli Studi di Trieste, 2020. http://hdl.handle.net/11368/2961198.

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Increasing number of seismic stations located in close proximity to active faults allows analysis of seismic signals that are recorded in near fault regions. Unique seismic signals, called “impulsive” or “pulse shaped” signals, are captured in velocity waveforms in numerous large magnitude earthquakes. In such waveforms, the earthquake is recorded as a one or several long period high amplitude signals. Long period signals are important in engineering seismology due to their large loads on structures. Ground motion prediction equations and design codes fail to capture the amplitudes in long per
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Ghorabi, Moncef. "Vitesses de groupe mesurée en deux stations du réseau GEOSCOPE et régionalisation de la structure globale du manteau supérieur." Paris 7, 1985. http://www.theses.fr/1985PA07F056.

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Analyse des données du mode fondamental des ondes de Love et de Rayleigh, obtenues aux deux premières stations du réseau, SSB et PCR, pendant les années 1982 à 1984. Calcul des courbes de dispersion en vitesse de groupe sur les trajets directs et inverses et quelques trains d'ordre supérieur, pour les séismes suffisammant forts enregistrés dans ces stations durant cette période. Discussion qualitative des courbes obtenues regroupées par azimuts et distances épicentrales proches par rapport à chacune des stations; influence des structures tectoniques traversées
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Wagner, Dörte [Verfasser], and Hans Von [Akademischer Betreuer] Storch. "Evaluation of Storminess by Early 20th Century Atmospheric Data from Signal Stations along the German Coastline / Dörte Wagner ; Betreuer: Hans von Storch." Hamburg : Staats- und Universitätsbibliothek Hamburg, 2017. http://d-nb.info/1147968993/34.

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Sundberg, Simon. "Localization of eNodeBs with a Large Set of Measurements from Train Routers." Thesis, Karlstads universitet, Institutionen för matematik och datavetenskap (from 2013), 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-75456.

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This master thesis investigates the possibility of locating LTE base stations, known as eNodeBs, using signal measurements collected by routers on trains. Four existing algorithms for transmitter localization are adopted: the centroid, strongest signal, Monte Carlo path loss simulation and power difference of arrival (PDoA) methods. An improved version of Monte Carlo path loss simulation called logloss fitting is proposed. Furthermore, a novel localization method called sector fitting is presented, which operates solely on the cell identity and geographical distribution of the measurements. Th
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Pelcat, Maxime. "Prototypage Rapide et Génération de Code pour DSP Multi-Coeurs Appliqués à la Couche Physique des Stations de Base 3GPP LTE." Phd thesis, INSA de Rennes, 2010. http://tel.archives-ouvertes.fr/tel-00578043.

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Le standard 3GPP LTE (Long Term Evolution) est un nouveau standard de télécommunication terrestre dont la couche physique des stations de base, appelées eNodeB, est particulièrement coûteuse. Les processeurs de traitement du signal (DSP) sont largement employés dans les stations de base pour calculer les algorithmes de la couche physique. Les DSPs de dernière génération sont des systèmes complexes et hétérogènes. Il n'existe pas actuellement de solution idéale pour distribuer les parties d'une application comme le LTE sur les différents cœurs contenus dans un eNodeB. Dans cette thèse, nous pré
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Sun, Zhibin. "Application of artificial neural networks in early detection of Mastitis from improved data collected on-line by robotic milking stations." Lincoln University, 2008. http://hdl.handle.net/10182/665.

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Two types of artificial neural networks, Multilayer Perceptron (MLP) and Self-organizing Feature Map (SOM), were employed to detect mastitis for robotic milking stations using the preprocessed data relating to the electrical conductivity and milk yield. The SOM was developed to classify the health status into three categories: healthy, moderately ill and severely ill. The clustering results were successfully evaluated and validated by using statistical techniques such as K-means clustering, ANOVA and Least Significant Difference. The result shows that the SOM could be used in the robotic milki
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Books on the topic "Signal stations"

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Vereshchagin A.V., Zatuchny D.A., Sinitsyn V.A., Sinitsyn E.A., and Shatrakov Y.G. Signal Processing of Airborne Radar Stations. Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-13-9988-6.

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Smith, Phyllis. Weather pioneers: The Signal Corps station at Pikes Peak. Swallow Press, Ohio University Press, 1993.

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Harrington, Thomas P. Tune the hidden signals on satellite tv: The secret signal on satellite tv. 3rd ed. Universal Electronics, Inc., 1992.

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Duffy, Robert A. Boosting the signal: A long year in the lives of four public television stations. Corporation for Public Broadcasting, 1996.

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Downey, Michael J. Engineer's handbook for earth station design and implementation. 2nd ed. M/R Communications, 1994.

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Keith, Michael C. Signals in the air: Native broadcasting in America. Praeger, 1995.

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W4UYZ and KC4TE, eds. Amateur Radio DX blue book: DX operation guide : up-dated world wide amateur radio prefix listings and new reference maps. J/C Enterprises, 1993.

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Nelson, Glenn K. NIST time and frequency radio stations: WWW, WWVH, and WWVB. U.S. Dept. of Commerce, Technology Administration, National Institute of Standards and Technology, Time and Frequncy Division, Physics Laboratory, 2005.

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Adhikari, B. Cropping system monitoring in Off-Station Research Site, Sigana. Lumle Regional Agricultural Research Centre, 1997.

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Association, Seven Seas Cruising, ed. S.S.C.A.: Amateur radio callsign book, including nets and worldwide weather reference digest. Seven Seas Cruising Association, 1992.

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Book chapters on the topic "Signal stations"

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Kholidy, Hisham A. "A Novel Blockchain Approach for Continuously Authenticating UAVs to Achieve Zero Trust Principles in 5G-Enabled UAVs." In Communications in Computer and Information Science. Springer Nature Switzerland, 2025. https://doi.org/10.1007/978-3-031-86240-3_1.

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Abstract Drones can provide real-time data transmission, improved signal quality, and reduced interference through beamforming technology The integration of drones (also known as Unmanned Aerial Vehicles (UAVs)) with 5G connectivity technology is revolutionizing various industries by enabling advanced features and capabilities, especially the reliable and secure network coverage. Security is an essential aspect of any digital or communications system. In drone-powered communication systems, security poses an even greater challenge. This is mainly due to the automated nature of the system and r
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Fedorenko, Yury V., Eystein S. Husebye, and Tatiana Matveeva. "A 2-D Seismic Signal Detector for Stand Alone 3-Component stations." In NATO Science Series: IV: Earth and Environmental Sciences. Springer Netherlands, 2008. http://dx.doi.org/10.1007/978-1-4020-6815-7_13.

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Zhang, Chen, Yu-Lai Zheng, Qiang Wang, Yong Li, and Zi-Han Li. "Monte Carlo Simulation and Analysis of Specified Element Samples by Nuclear Resonance Fluorescence Detection." In Springer Proceedings in Physics. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-99-1023-6_83.

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AbstractThe detection of explosives and drugs in large cargo distribution centers such as customs and logistics stations has a great effect on preventing smuggling crimes and terrorist incidents. However, the relatively thick shielding of container cargo makes the material composition information obtained by conventional detection methods such as X-ray transmission detection and imaging technology very limited. Nuclear Resonance Fluorescence (NRF) is an emerging nondestructive assay technology that uses the specific resonance energy of nuclides to identify unknown nuclides, which can be used t
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Wang, Xin, Qilian Liang, Baoju Zhang, and Xiaorong Wu. "Joint Power and Spectrum Allocation for Relay Stations in Mobile Relay Networks." In The Proceedings of the Second International Conference on Communications, Signal Processing, and Systems. Springer International Publishing, 2013. http://dx.doi.org/10.1007/978-3-319-00536-2_95.

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Lebrun, Stéphanie, Stéphane Kaloustian, Raphaël Rollier, and Colin Barschel. "GNSS Positioning Security: Automatic Anomaly Detection on Reference Stations." In Critical Information Infrastructures Security. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-93200-8_4.

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AbstractThe dependency of critical infrastructures on Global Navigation Satellite Systems (GNSS) keeps increasing over the years. This over-reliance brings concerns as those systems are vulnerable and consequently prone to human-made perturbations, such as jamming and spoofing attacks. Solutions for detecting such disturbances are therefore crucially needed to raise GNSS users’ awareness and protection. This paper suggests an approach for detecting anomalous events (i.e., potentially an attack attempt) based on measurements recorded by Continuously Operating GNSS Reference Stations (CORS). Pre
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Xie, Chao, Deyong Xian, Teng Li, Guotai Wang, and Qian Wang. "Analysis of GPS Signal Power Enhancement Effect Based on Data from Multiple Ground Stations." In Lecture Notes in Electrical Engineering. Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-3142-9_1.

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Fei, Zhou, and Fan Xin-Yue. "Improved Positioning Algorithm Using the Linear Constraints of Scatterer in Two Base Stations." In The Proceedings of the Second International Conference on Communications, Signal Processing, and Systems. Springer International Publishing, 2013. http://dx.doi.org/10.1007/978-3-319-00536-2_109.

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Gitterman, Yefim, Vladimir Pinsky, and Rami Hofstetter. "Signal Processing for Indian and Pakistan Nuclear Tests Recorded at IMS Stations Located in Israel." In Monitoring the Comprehensive Nuclear-Test-Ban Treaty: Seismic Event Discrimination and Identification. Birkhäuser Basel, 2002. http://dx.doi.org/10.1007/978-3-0348-8169-2_10.

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Shen, Yunzhong, and Weiwei Li. "Spatiotemporal Signal and Noise Analysis of GPS Position Time Series of the Permanent Stations in China." In International Association of Geodesy Symposia. Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-37222-3_30.

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Unwin, Philip. "Stations and Signals." In Travelling by Train in the Edwardian Age. Routledge, 2023. http://dx.doi.org/10.4324/9781003457107-5.

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Conference papers on the topic "Signal stations"

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Kakkad, Manav, Harsh Koradiya, Krisha Darji, et al. "SignalStats: Optimizing Analog Stations’ Signal Interference Management Through ML-based Statistical Analysis." In GLOBECOM 2024 - 2024 IEEE Global Communications Conference. IEEE, 2024. https://doi.org/10.1109/globecom52923.2024.10901831.

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Machado, Carolina E., Kleber Renato Da Paixão Ataíde, and Vinicius R. P. Borges. "Long Short-Term Memory Approaches for Weather Forecasting from Local Stations." In 2024 9th International Conference on Frontiers of Signal Processing (ICFSP). IEEE, 2024. https://doi.org/10.1109/icfsp62546.2024.10785333.

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He, Haoye, Faquan Yang, Hua Yang, Wenxiang Song, Jiming Xie, and Zhichao Ning. "Design of a compact broadband dual-polarized antenna for 5G base stations." In 4th International Conference on Signal Image Processing and Communication, edited by Xianye Ben and Lei Chen. SPIE, 2024. http://dx.doi.org/10.1117/12.3041203.

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Mishra, Rishabh, Mohammed Aslam Husain, Yudhishthir Pandey, Asif Khan, Alka Agrawal, and Shivam Mishra. "Optimal Dispatch Strategy for Roof Top Solar PV-Based EV Charging Stations." In 2025 10th International Conference on Signal Processing and Communication (ICSC). IEEE, 2025. https://doi.org/10.1109/icsc64553.2025.10968487.

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Su, Te-Jen, Jui-Chuan Cheng, Wei-Hong Lin, et al. "Application of Fuzzy Theory in Fault Diagnosis of Satellite Communication Ground Stations." In 2024 International Symposium on Intelligent Signal Processing and Communication Systems (ISPACS). IEEE, 2024. https://doi.org/10.1109/ispacs62486.2024.10868028.

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Murugesan, S., Geetha Sai Sree Palla, Chaganti Bhavya Harshita, Samvith Varadkar, and C. H. Ram Jethmalani. "Optimal Placement of Battery Swapping Stations in Power System Using Genetic Algorithm." In 2024 International Conference on Signal Processing, Computation, Electronics, Power and Telecommunication (IConSCEPT). IEEE, 2024. http://dx.doi.org/10.1109/iconscept61884.2024.10627841.

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Vosoughi, Aida, Michael Wu, and Joseph R. Cavallaro. "Baseband signal compression in wireless base stations." In GLOBECOM 2012 - 2012 IEEE Global Communications Conference. IEEE, 2012. http://dx.doi.org/10.1109/glocom.2012.6503828.

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Song, Ning, Yan Zhou, Dongjie Tan, Yunbin Ma, Honghui Qiu, and Baisong Li. "Research on Fiber Perimeter Security Technique of Station." In 2012 9th International Pipeline Conference. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/ipc2012-90074.

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The oil or gas station is an important producing unit, building a perimeter security system is an available method for protecting the stations and improving the capacity of dealing with the emergency incident. However, building high walls or fence and patrolling the stations are the main protecting methods, it is difficult to detect invasion immediately. So, it is necessary to construct a stable and reliable perimeter security system to protect the station. Traditional fiber perimeter security technology protects the station by sensing fiber on the fence or wall, but the wind will produce many
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Menon, Abhishek R., and Amritha Aravind. "Offline Train Tracking System." In 2nd International Conference on Modern Trends in Engineering Technology and Management. AIJR Publisher, 2023. http://dx.doi.org/10.21467/proceedings.160.19.

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Population growth is directly related to transportation connectivity. In India, transport facilities are primarily served by Indian Railways. The work “OFFLINE TRAIN TRACKING SYSTEM” works on transmitter receiver-based logic. Transmitters are installed at stations and receivers are installed inside trains. When the train comes within range of the transmitter, the receiver receives the signal and displays the station name on the LCD screen. Transmitters installed at stations operate on 230 V AC and receivers in trains operate on 9 V DC. Work is not manually controlled. If the transmitter is on
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Bugaj, Marek, and Rafał Przesmycki. "The measurement of baseband frequency range for military satellite terminals." In 8th International Conference on Human Interaction and Emerging Technologies. AHFE International, 2022. http://dx.doi.org/10.54941/ahfe1002740.

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VSAT stations (Very Small Aperture Terminals) are small, cheap terrestrial satellite stations, which are equipped with small antennas (typically from 1 m to 2 m), low power RF transmitters (typically from 0.5 W to 2 W) and in modems and signal converters, forming a compact structure. Stations can be very easily installed on the roof, wall or car park in front of the user's office, where the end devices are placed. Stations can be used in a very convenient and economical way to connect end users devices to the main computer located in a remote data center. VSAT stations are usually used to tran
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Reports on the topic "Signal stations"

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Heck, Stephen, Jorge Garcia, and Rigobert Tibi. Seismic Signal Detection on International Monitoring System 3-Component Stations using PhaseNet. Office of Scientific and Technical Information (OSTI), 2024. http://dx.doi.org/10.2172/2430120.

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2

Farahbod, A. M., and J. F. Cassidy. An overview of seismic attenuation in the Eastern Canadian Arctic and the Hudson Bay Complex, Manitoba, Newfoundland and Labrador, Nunavut, Ontario, and Quebec. Natural Resources Canada/CMSS/Information Management, 2022. http://dx.doi.org/10.4095/330396.

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In this study we investigated coda-wave attenuation (QC) from the eastern Canadian Arctic in Nunavut and the Hudson Bay complex including portions of northern Manitoba, Ontario, Quebec and Labrador. We used earthquake recordings from 15 broadband and 3 short period seismograph stations of the Canadian National Seismic Network (CNSN) and 29 broadband stations of the POLARIS network across the region. Our dataset is comprised of 637 earthquakes recorded between 1985 and 2021 with magnitudes ranging from 1.3 to 6.1, depths from 0 to 20 km and epicentral distances of 5 to 100 km. This gives a tota
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Farahbod, A. M., and J. F. Cassidy. An overview of seismic attenuation in the Charlevoix Seismic Zone, southern Quebec. Natural Resources Canada/CMSS/Information Management, 2023. http://dx.doi.org/10.4095/332158.

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We investigate seismic attenuation characteristics of the Charlevoix Seismic Zone. This zone is located ~100 km downstream from Quebec City and is the most seismically active region of eastern Canada. We used earthquake recordings from 8 seismograph stations of the Canadian National Seismic Network (CNSN) across the region. Our dataset is comprised of 584 earthquakes recorded between 1992 and 2022 with magnitudes ranging from 2.0 to 5.4, depths from 0 to 30 km and epicentral distances of 5 to 100 km. This gives a total of 1490 high signal-to-noise (S/N) traces (S/N?5.0) useful for QC calculati
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4

DeRobertis, Michelle, Christopher E. Ferrell, Richard W. Lee, and David Moore. City Best Practices to Improve Transit Operations and Safety. Mineta Transportation Institute, 2021. http://dx.doi.org/10.31979/mti.2021.1951.

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Public, fixed-route transit services most commonly operate on public streets. In addition, transit passengers must use sidewalks to access transit stops and stations. However, streets and sidewalks are under the jurisdiction of municipalities, not transit agencies. Various municipal policies, practices, and decisions affect transit operations, rider convenience, and passenger safety. Thus, these government entities have an important influence over the quality, safety, and convenience of transit services in their jurisdictions. This research identified municipal policies and practices that affe
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Nagel, Jessica, Holly Plaisted, Christopher Peck, and Paul Duffy. Condition and trends of estuarine water quality and seagrass in Cape Cod National Seashore: Northeast Coastal and Barrier Network, 2003-2022. National Park Service, 2025. https://doi.org/10.36967/2310108.

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This report summarizes conditions and trends in routine long-term water quality monitoring and seagrass data collected at Cape Cod National Seashore in Massachusetts from 2003 through 2022 as part of the NPS NCBN Vital Signs Estuarine Nutrient Enrichment monitoring program. This comprehensive program incorporates spatial surveys, repeated monitoring at trend stations, and continuous monitoring at a fixed logging station in an effort to establish overall water quality condition of the estuary as well as to identify potential trends or changes in condition over time. The monitored area included
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Farahbod, A., and J. F. Cassidy. Spatial and temporal variations in seismic coda Q attenuation in the lower St. Lawrence region, southeastern Quebec. Natural Resources Canada/CMSS/Information Management, 2023. http://dx.doi.org/10.4095/332027.

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We investigate seismic attenuation characteristics of the Lower St. Lawrence seismic zone in southeastern Quebec. This zone is located ~400 km downstream from Quebec City and is between the Quebec North Shore and the Lower St. Lawrence. We used earthquake recordings from 5 broadband and 5 short period seismograph stations of the Canadian National Seismic Network (CNSN) across the region. Our dataset is comprised of 847 earthquakes recorded between 1985 and 2022 with magnitudes ranging from 2.0 to 5.1, depths from 0 to 30 km and epicentral distances of 5 to 100 km. This gives a total of 446 hig
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Nagel, Jessica, Holly Plaisted, Christopher Peck, and Paul Duffy. Condition and trends of estuarine water quality and seagrass in Assateague Island National Seashore: Northeast Coastal and Barrier Network, 2005-2022. National Park Service, 2025. https://doi.org/10.36967/2310561.

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This report summarizes conditions and trends in routine long-term water quality monitoring and seagrass data collected at Assateague Island National Seashore in Maryland and Virginia from 2005 through 2022 as part of the NPS NCBN Vital Signs Estuarine Nutrient Enrichment monitoring program. This comprehensive program incorporates spatial surveys, repeated monitoring at trend stations, and continuous monitoring at a fixed logging station in an effort to establish overall water quality condition of the estuary as well as to identify potential trends or changes in condition over time. All monitor
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Nagel, Jessica, Holly Paisted, Christopher Peck, and Paul Duffy. Condition and trends of estuarine water quality and seagrass in Fire Island National Seashore: Northeast Coastal and Barrier Network, 2003–2022. National Park Service, 2025. https://doi.org/10.36967/2311455.

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This report summarizes conditions and trends in routine long-term water quality monitoring and seagrass data collected at Fire Island National Seashore in New York from 2003 through 2022 as part of the NPS NCBN Vital Signs Estuarine Nutrient Enrichment monitoring program. This comprehensive program incorporates spatial surveys, repeated monitoring at trend stations, and continuous monitoring at a fixed logging station in an effort to establish overall water quality condition of the estuary as well as to identify potential trends or changes in condition over time. All monitoring was conducted d
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9

Nagel, Jessica, Holly Paisted, Christopher Peck, and Paul Duffy. Condition and trends of estuarine water quality in Gateway National Recreation Area: Northeast Coastal and Barrier Network, 2003–2022. National Park Service, 2025. https://doi.org/10.36967/2310870.

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This report summarizes conditions and trends in routine long-term water quality monitoring data collected at Gateway National Recreation Area in New York from 2003 through 2022 as part of the NPS NCBN Vital Signs Estuarine Nutrient Enrichment monitoring program. This comprehensive program incorporates spatial surveys, repeated monitoring at trend stations, and continuous monitoring at a fixed logging station in an effort to establish overall condition of the estuary as well as to identify potential trends or changes in condition over time. All monitoring was conducted during a four-week summer
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10

Weissinger, Rebecca. Trends in water quality at Bryce Canyon National Park, water years 2006–2021. Edited by Alice Wondrak Biel. National Park Service, 2022. http://dx.doi.org/10.36967/2294946.

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The National Park Service collects water-quality samples on a rotating basis at three fixed water-quality stations in Bryce Canyon National Park (NP): Sheep Creek, Yellow Creek, and Mossy Cave Spring. Data collection began at Sheep Creek and Yellow Creek in November 2005 and at Mossy Cave in July 2008. Data on in-situ parameters, fecal-coliform samples, major ions, and nutrients are collected monthly, while trace elements are sampled quarterly. This report analyzes data from the beginning of the period of record for each station through water year 2021 to test for trends over time. Concentrati
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