Capabilities for Probing of Upper Atmosphere Density Variations and Seismic-Orbital Effects Using Small-Size Spacecraft by A. V. Tertyshnikov

“…The "falling spheres method" is used to probe variations in the density of the upper atmosphere.A technical solution for diagnostics of orbital sections with abnormal changes in the speed and acceleration of  spacecraft  equipped  with  onboard  navigation  receivers  and  micro-accelerometers is considered.The technical result of the proposed development is the efficiency and cost – effectiveness of sounding variations in the density of the upper atmosphere, seismic-orbital effects-variations in the density of the atmosphere over earthquake-regions and the seismic hazard.…”
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Analysis of user experience during interaction with automotive repair workshop websites by Radosław Danielkiewicz, Mariusz Dzieńkowski

“…The results show that users encountered a variety of problems with navigation and search functions, and made suggestions for improving and expanding the website functions. …”
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Autonomous Underwater Glider: A Comprehensive Review by Enrico Petritoli, Fabio Leccese

“…The review also addresses the challenges and limitations in areas like payload, navigation, swarm management, and the effects of underwater environments on glider performance. …”
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The Requirements Analysis of Satellite Application in Marine Transportation Industry by Zhen LI, Yumin ZHAO, Guangyue XUE, Yunfei AI, Falong LIU

“…With the rapid development of modern technologies and satellite communication, the need to apply satellite communication in the transport field in China has become stronger and stronger.The development and application status of the major satellite communication systems in China and abroad was introduced, and nine major application services of traff c navigation monitor at sea, emergency communications, broadband access of ship etc were studied, and the application of maritime satellite communications and the development tendency were explored, took into account the status and existing problems of maritime satellite communications in China.Based on the above, recommendations on the construction of an independent and controllable space-terrestrial integrated satellite communication network in China for maritime applications were provided.…”
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Discussion on the common sense of the Internet of things by Yu SUN

“…The development of Internet of things (IoT) in China is in the second decade.First of all,the outcome of the IoT was reviewed.The industry formation and system structure of IoT were introduced.Then,the development process,trends and key points of the next generation of IoT were summarized in the aspect of the service platform,sensor industry,access links and fusion with technologies such as cloud computing,edge computing,big data,identity resolution,blockchain,satellite navigation system,5G and so on.Finally,the problems and possible ideas of the development of IoT in China were put forward in the fields of the application positioning,theoretical research,standard-setting and security.Hope to provide reference for colleagues to understand the IoT.…”
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Safety monitoring and evacuation guide system for pipeline testing laboratory by indoor positioning technique and distributed sensor network by Lianhong Ding, Yu Xiao, Xiaotong Deng, Feng Li

“…Based on the analysis of various indoor position methods, inertial navigation system–aided ultra-wideband system is realized for human positioning. …”
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Developing Visual Elements on the Web by Ricky W. Telg, Laura M. Gorham, Tracy Irani

“…This 3-page publication is on developing visual elements (colors, images, navigation, and links) on the web and is the fourth of the Writing and Designing for the Web series. …”
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Developing Visual Elements on the Web by Ricky W. Telg, Laura M. Gorham, Tracy Irani

“…This 3-page publication is on developing visual elements (colors, images, navigation, and links) on the web and is the fourth of the Writing and Designing for the Web series. …”
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Étude et traitement de deux cartes portulans by Nadège Duqueyroix

“…Two portolan charts dated from the 17th century, from the National Maritime Museum in Paris, were studied and conserved in the conservation department of the Institut National du Patrimoine (Inp). These navigation maps were originally part of an atlas attributed to cartographer François Ollive’s workshop in Marseille. …”
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Verification of Spatial Heterodyne Spectral Velocimetry Technology Based on Solar Spectrum by Xiang Peng, Mu Gu, Sujun Li, Qifeng Ren, Rujin Zhao

“…The research content provides a preliminary verification for the development of spatial heterodyne spectral velocimetry technology in the aerospace field and also provides reference for the realization of high-precision autonomous navigation capability in future aerospace technology.…”
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Longitudinal Range of the Eastward‐Traveling Equatorial Plasma Bubble Inducing Ionospheric Scintillation by P. Abadi, Y. Otsuka, S. Saito, M. Yamamoto, S. Perwitasari, I. N. Muafiry, A. Y. Putra, A. Faturahman

“…Abstract Equatorial Plasma Bubbles (EPBs) can generate ionospheric scintillation at GHz frequencies used in the Global Navigation Satellite System (GNSS). Emerging at any longitude following sunset and typically moving eastward, monitoring the EPBs is essential for space weather services. …”
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Event-Based Slip Estimation Framework for Space Rovers Traversing Soft Terrains by Ruqayya Alhammadi, Yahya Zweiri, Ahmad Abubakar, Mubarak Yakubu, Laith Abuassi, Lakmal Seneviratne

“…Estimating terrain-induced longitudinal slip poses a significant challenge in space rover navigation, particularly when traversing soft terrains in low-light conditions. …”
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Learning from Demonstrations and Human Evaluative Feedbacks: Handling Sparsity and Imperfection Using Inverse Reinforcement Learning Approach by Nafee Mourad, Ali Ezzeddine, Babak Nadjar Araabi, Majid Nili Ahmadabadi

“…We apply our method to three domains: a simulated navigation task, a simulated car driving problem with human interactions, and a navigation experiment of a mobile robot. …”
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A War at the End of Empire: The Militarization of America and Matt Gallagher’s Empire City by Ari Räisänen

“…Literature written by veterans of the War on Terror provides a unique—and often overlooked—instrument for the mapping and navigation of this cultural terrain enveloped by “forever war.” …”
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Key technologies and standards progress for 5G positioning by Jianxiang LI, Yinan JIA, Xiaoyang TIAN, Bin REN, Xiaotao REN, Haiyang QUAN

“…Location service features are enabled in 5G to allow new and innovative location-based services to be developed for kinds of scenarios and the key performance requirements are identified by 3GPP.Firstly, the planning of location service feature in each standard release of 5G was introduced based on the standard process of 5G high-accuracy positioning in 3GPP.Secondly, 5G network-assisted BeiDou navigation satellite system was studied, including the positioning technologies and the standard progress of A-BDS in 3GPP.Thirdly, the network architecture, key technologies and the standards progress for sidelink positioning in 5G were introduced.Finally, the evolution of 6G positioning was analyzed.…”
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FINITE ELEMENT ANALYSIS OF ANTENNA-FEEDER SYSTEM ON TRUCKBORNE RADARS by HUANG QiongQiong

“…A truckborne radar system is widely applied in communication,radar navigation and electronic countermeasures,etc,and it can work in an extremely harsh field environments. …”
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Complementary Roles of Hippocampus and Medial Entorhinal Cortex in Episodic Memory by P. A. Lipton, H. Eichenbaum

“…Spatial mapping and navigation are figured prominently in the extant literature that describes hippocampal function. …”
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Detection and elimination method for deception jamming based on an antenna array by Shuyan Ni, Jianhua Cui, Naiping Cheng, Yurong Liao

“…A global positioning system is an important way of locating an aircraft, while deception jamming can affect the positioning accuracy of such navigation. Considering this, a detection and elimination method for deception jamming is proposed based on a specially designed array for the aircraft. …”
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An Optimization Synchronization Algorithm for TDDM Signal by Fang Liu, Yongxin Feng

“…The time division data modulation (TDDM) mechanism is recommended to improve the communications quality and enhance the antijamming capability of the spread spectrum communication system, which will be used in the next generation global navigation satellite (GNSS) systems. According to the principle and the characteristics of TDDM signal, an optimization synchronization algorithm is proposed. …”
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Achieving efficient location privacy protection based on cache by Lu-lu LI, Jia-feng HUA, Sheng WAN, Hui ZHU, Feng-hua LI

“…With the development of mobile Internet and the popularization of intelligent terminals,location based services(LBS) has been widespread in navigation,social network and other fields.Due to the sensitivity of personal location information,data privacy protection related to location of mobile objects has become the hotspots of research.Considering the openness of the background information,and based on the information cache mechanism,a dummy selection algorithm was proposed to reduce the number of interactions between the user and the untrusted server and combine the k-anonymity to achieve efficient location privacy.Without relying on trusted third party,the scheme can prevent the attackers owned background information from inference attack,and the detail simulation results indicate its effectiveness and efficiency.…”
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