Titlebook: Near-Field Antenna Measurements; Calculations and Fac Vadim Serafimovich Kalashnikov,Maxim Yurievich Pon Book 2021 The Editor(s) (if applic

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Vadim Serafimovich Kalashnikov,Maxim Yurievich Ponomarev,Oleg Yurievich Platonov,Victor Vasilievich troy infrastructures such as the gas grid and the power grid, so that people loose control and suddenly find themselves confronted with explosions, suffocation, and death. This paper presents a case study of a robot collective identifying gas leaks with a gas-sniffing wireless sensor network, while

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Vadim Serafimovich Kalashnikov,Maxim Yurievich Ponomarev,Oleg Yurievich Platonov,Victor Vasilievich tion decision making process. Thus resource management should be ideally solved in an online manner. To address this, approaches have been presented in the literature to set thresholds that trigger VM migration. One challenge with these approaches is they typically use node metrics (e.g., CPU and me

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Methods of Measurement of Radio Characteristics of Antennas (Brief Overview),parative analysis of the advantages and disadvantages of these methods are given. Recommendations are given for choosing a measurement method depending on the type of antenna being studied and the required amount of information about its parameters.

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Planar Near-Field Antenna Measurements: Calculation Expressions, on the Kirchhoff equations and the wave equation is presented, which allows one to calculate the antenna parameters from the results of measuring the amplitude-phase distribution of the field on a flat scanning surface. Based on the theory of scattering matrices, formulas are derived for probe comp

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Planar Near-Field Facility: Electrical and Mechanical Parts, Software,ts elements are examined in detail with an analysis of possible realizations. Various probe designs, their advantages and disadvantages are described. Various options for building software for communication with a receiver (vector network analyzer) are considered. Attention is paid to the issues of

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Antenna Testing,idered. Recommendations on the organization of mechanical and climatic tests are given. A description of flight tests of onboard antennas is given and an analysis of the advantages and disadvantages of this type of test is performed. The features of methods for measuring the radio characteristics of

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accuracy of the three probabilistic clustering algorithms (PLSA, LDA and CTM) with that of a classical clustering algorithm. We evaluated also our service discovery approach by calculating the precision (P@n) and normalized discounted cumulative gain (NDCGn). The results show that both approaches b

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