VHF communication channel characterisations over complex wooded propagation paths with applications to ground wireless sensor networks
Fluctuations level against wind conditions. K-factor estimation as a function of range. The concept of a forward scattering micro-sensors radar network for situational awareness. Vegetation clutter spectral properties in VHF/UHF bistatic doppler radar.
Подобные документы
The damped oscillations in telemetry signals caused by the lack of homogeneity of the communication channel. Characteristic of communication channels between satellite and ground stations, receiving the BER parameter with reference to telemetry signals.
статья, добавлен 30.10.2018Classification, general parameters and composition of REE. Distance Measurement Equipment. Radio Altimeters. Doppler Systems. Direction Finders. Radio Beacon Landing Systems. Design and Operation Principles of A/C Communication. Equipment Layout of REE.
курс лекций, добавлен 08.05.2013The problem of increasing the security level of the IP-telephony network and access to confidential information within this network. Restricting access to telephony by blocking unauthorized IP addresses and adding suspicious transactions to the blacklist.
статья, добавлен 22.02.2021Different architectures and types of artificial neural networks. The prominent features of the recurrent network architecture. Examples of application of artificial neural network algorithms in pharmacy. Promising tools of reduce time and costs.
статья, добавлен 19.03.2024Asymptotic properties of an online gradient algorithm with a constant step size used to study in a neural network a model of nonlinear systems having a single hidden layer. Substantiation of the conditions guaranteeing the convergence of this algorithm.
статья, добавлен 14.09.2016Problems with Radio communication as a significant cause, a contributory factor in many aircraft accidents, serious incidents. Seven functions of language: instrumental, regulatory, representational, interactional, personal, heuristic, imaginative.
статья, добавлен 28.10.2020The essence of the process of acquiring effective communication skills in the network space in the context of ensuring personal information security. The individual's assimilation of the rules and practices common in the communication environment.
статья, добавлен 03.05.2023Familiarization with the scheme of passive and active transducer with mode of preset voltage. Characterization electric models of capacitive sensors at alternating current. Analysis of electrophysical parameters monitoring of nonelectric products.
статья, добавлен 30.01.2016The role and significance of attenuation by vegetation in remote sensing. The model of vegetation as a continuous medium. Effective dielectric constant of vegetation. Methods of measurements of attenuation. The directions of future research needs.
статья, добавлен 04.11.2018A case of an integrated-optical waveguide with statistic surface roughness. A case of optical nanofibers with random rough surface. The peculiarities of approximate solutions of vector electrodynamic problems. Evaluations of losses due to scattering.
статья, добавлен 04.11.2018A method of in-situ calibrating 3D magnetic sensors based on Hall devices that have linear field characteristics and are non-orthogonal, with known position of each Hall device in relation to the 3D sensor’s substrate. The method’s efficiency is proved.
статья, добавлен 20.01.2017The theoretical effects of using parallel TCP flows to improve network performance for intensive applications with distributed data. Choosing of the maximum number of sockets necessary to maximize TCP throughput while imultaneously and avoid congestion.
статья, добавлен 30.01.2017Examinations of the pulses envelopes scattered on several micror-esonator band-stop filters in optical transmission line. The possibilities of pulses time manipulation with various carrier frequencies. Approaches to indistinguishable pulses separation.
статья, добавлен 29.01.2017- 39. Research on noise reduction technology of blade-icing signal based on acoustic emission technology
Using wavelet analysis with five-level decomposition to suppress noise in the signal of icing of wind turbine blades using acoustic emission. Extraction of information about the presence of icing using the signal energy at the second decomposition level.
статья, добавлен 30.08.2021 A comprehensive study of the communication of the best British museums on the Facebook network. Maintaining contacts with followers, informing and entertaining the digital audience. Innovative and creative approaches in communication with the audience.
статья, добавлен 08.03.2023A numerical method based on the Fourier Transform Method applications for the study of the optical waves propagating in dielectric planar waveguides. Research waveguide search wavelengths of light according to the received propagation constants.
статья, добавлен 30.07.2016Software technology transfer fuzzy information through a quantum communication channel with quantum teleportation. Description of membership functions of quantum information, the fuzzy variables and the tensor of the multiplication of unitary operators.
статья, добавлен 18.02.2016Characteristic and investigation of basic trends and promising of development for the mobile backhaul are provided. Introduction to the process of designing radio communications terahertz range capable of applying to build super high-rate backhauls.
статья, добавлен 26.06.2016Analisys of hotelling decision statistics generator using quadrature channel signals decorrelation at the level of structural schemes. Consideration of detection procedures characteristics with and without the use of quadrature components decorrelation.
статья, добавлен 30.07.2016Electronic Chart Display and Information Systems. Improving the efficiency and responsiveness of radio communication to enhance the safety of navigation. Selective Calling controller. An analysis of the navigation environment while reducing the risk.
статья, добавлен 12.08.2016Directions and conditions of interaction of a scientist in the space of scientific communication. Identifying the impact of social changes on scientific communication. The authority of a scientist and communication standards of academic integrity.
статья, добавлен 03.05.2023Comprehensive study of methodological prerequisites and regularities of complex modeling of innovative communication in the field of obtaining new knowledge in digital discourse. Ontological nature of lexical innovations of globalized languages.
статья, добавлен 25.01.2023Improvement of state regulation of electronic communications in Ukraine. Elucidation of the issue of legal policy and the prospects of its coordination with the revolutionary cross-border processes of building an integrated GAIA-X network ecosystem.
статья, добавлен 16.01.2024Rules of quality assessment of the imaging systems image. Modern technologies of transmission and communication applications. Characteristics of multimedia apps designed for television systems. The essence of the principle of adaptive visualization.
статья, добавлен 26.03.2016Cross-cultural communication of students as a defining feature of civilization, and intercultural understanding as one of the most important and complex challenges of our time. Mixed foreign language teaching as a manifestation of internationalization.
статья, добавлен 18.10.2021