Signal analysis: time, frequency, scale and structure
Mathematical approach to problems in signal interpretation with using the methods for texture identification, segmentation, template matching, pattern recognition. Fundamental basics about analog and discrete signals, linear systems, Fourier transforms.
Подобные документы
Improving the logistics of delivering goods to the end consumer through the introduction of automation and minimal human involvement. Achievements in development, concepts and ideas for the creation of delivery systems using unmanned aerial vehicles.
статья, добавлен 26.10.2020Rules 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 26.03.2016Analysis of optimal control. Implementation of a digital autopilot capable of providing the position of aircraft step. Optimization of the determination of the parameters of the digital PI controller, necessary for stabilizing the position of the pitch.
статья, добавлен 22.12.2016Asymptotic 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 14.09.2016Discussion of traffic and determining the load transport system. Investigation of the general operation of the network and telephone service. Daily measurement methods and normal and high load traffic intensities. Using statistical analysis and modeling.
статья, добавлен 21.01.2014Are given the method of determination of angular parameters, which is used in micromechanical inertial-satellite systems, constructed by the method of compensation or based on the reduced Kalman filter. Measurement errors of angles are investigated.
статья, добавлен 22.12.2016Global Positioning System as one of history's most exciting and revolutionary developments. Use of this technology in the aviation, automotive and transport industry. Detect, decode, process satellite signals - the main functions of GPS receivers.
статья, добавлен 10.10.2016Analysis of the occurrence of specific situations in flight. Consideration of the process of applying the methods of system control surfaces to prevent a catastrophic situation in the transition. The study of active fault tolerant control scheme system.
статья, добавлен 26.06.2016The investigation of the state of EGNOS Approach with Vertical guidance for Europe. EGNOS performance parameters are described in terms of accuracy, integrity, availability and continuity. The established results confirm the need for the EGNOS service.
доклад, добавлен 21.05.2016- 110. Smart antenna application for satellite communication systems with space division multiple access
Two different beamforming approaches in space division multiple access for mobile satellite communications: switched-beam antennas and adaptive array antenna systems are considered. The hardware implementation of adaptive algorithm is considered as well.
статья, добавлен 04.11.2018 Cascaded structure for adaptive digital filtering used with the Normalized Least Mean Square Algorithm (CNLMS) that can be obtained by the expansion of Laguerre's polynomials. The filter structure using the Normalized Least Mean Square Algorithm.
статья, добавлен 04.11.2018The boundary problem for eigenmodes in coaxial quad-ridged waveguides has been solved by the transverse field-matching technique. The formulas obtained provide possibilities to calculate cutoff wave numbers and electric and magnetic fields modes.
статья, добавлен 07.12.2016The concept and the basic principles of electronics as a scientific field, the history of its development and modern achievements. Classification and types of antennas, basics principles of operation. The materials used in the manufacture of antennas.
учебное пособие, добавлен 25.11.2013The heterojunctions, like electronic devices, are non-linear elements, which means that their OCA cannot be described by the usual Ohm's law. When illuminated from the side of the n-type semiconductor, the radiation is absorbed in the semiconductor.
статья, добавлен 15.09.2024A 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 04.11.2018Consideration of the linear model of the closed type speaker. Investigation of the sound velocity and diaphragm displacement. Major features method of organizing feedback electromechanical (EMOS) in loudspeakers. The main characteristics of the feedback.
статья, добавлен 21.06.2016Понятие, характеристика и архитектура WiMAX. Структура и формирование OFDMA (Orthogonal Frequency Division Multiple Access), распределение поднесущих. Обеспечение качества обслуживания. Управление мощностью и безопасностью. Передача вызова (хэндовер).
курсовая работа, добавлен 09.04.2010Simulation of a homogeneous linear array using a matrix of inverse-normalized least average squares for adaptive beam formation with a minimum of the bit error rate. Beam shaping with digital modulation of 16 quadrature amplitude modulation points.
статья, добавлен 04.11.2018Familiarization with the concept of field-effect transistors. Laying out circuit boards and mounting RF devices. Classes of operation, forms of modulation, biasing, and operating in a pulse mode. The basic factors affecting low power amplifier design.
учебное пособие, добавлен 25.11.2013Wireless networks for sparsely populated rural areas of the Far North. Spatial pattern optimization of the developed wireless network based on the variant probability method. The problem of choice of place for access points of the growing network.
статья, добавлен 13.02.2018A broadband coherent orthomode converter based on a coaxial four-ribbed waveguide for a frequency band of 3.4-5.4 GHz was developed. Each element of the design was separately optimized with CST Microwave Studio. Final modeling of characteristics.
статья, добавлен 29.09.2016The IEC 61850 standard is the key document for implementation of communication between protection IED and control center as well as communication of IEDs with one another. The IEC standard is support of Ethernet technology and international recognition.
статья, добавлен 23.06.2013Conventional space-vector modulation. Basics of a novel method of syznchronized pulsewidth modulation for voltage sours inverters. Main practical relevance of the proposed pulsewidth modulation method. Cancellation of undesirable common-mode voltages.
статья, добавлен 02.02.2019Uncooled infrared imaging arrays in semiconductors and semimetals. Thermal imaging with PbSnSe-on-Si linear arrays. Growing the IR sensitive layers directly on silicon would lead to much simpler and less expensive monolithic hetero-epitaxial structures.
статья, добавлен 28.06.2013The path and loss - the dominant feature of the propagation environment. Operating frequency, antenna array size - one of the parameters, that plays a significant influence on overall system performance of the next generation wireless communications.
статья, добавлен 17.03.2022