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
The implementation of beamforming and spatial diversity in Orthogonal Frequency Division Multiplexing systems. The differences of OFDM transmission over scenarios with different angular spread, which can viewed clearly from the base station antenna (BSA).
статья, добавлен 24.09.2016Development an approach of routing control which does not demand any special facilities of the ISP or telecommunication channels. The 2-criteria model of the routing tables estimation and the real-time algorithm for the corresponding optimization problem.
статья, добавлен 13.02.2018Checking the "Subjective Entropy Extremization Principle" on the basis of the necessary conditions. Distribution of maximizing preferences for a combined continuous alternative. Characteristic of mathematical models of distributions of "goodness".
статья, добавлен 22.12.2016Review of new methods of navigation accuracy adjustment. Explanation of the terms accuracy, reliability in terms of calculating the coordinates. A comparative analysis of the methods of calculating the coordinates, convergence estimates of their results.
статья, добавлен 09.09.2012The 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 04.11.2018Heat transfer of phonons with a generalized model of Landauer-Datta-Lundstrom. A quantitative description of the transport processes for any size resistors in ballistic, quasi-ballistic and diffuse linear modes. The crystal lattice thermal conductivity.
статья, добавлен 30.07.2016Classification, 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 08.05.2013Discusses the main characteristics of reliability of radio electronic devices, methods of their calculation. Proposed mathematical models for the determination of parameters of thermal fields and recieved an analytical solution for the calculation.
статья, добавлен 26.06.2016Functional requirements for a smartphone - a mobile phone with an advanced mobile operating system, which combines the functions of a personal computer with other features that are useful for mobile or portable use. The software of the mobile device.
контрольная работа, добавлен 08.12.2015Определение трех показателей оценки качества сигналов синхронизации: TIE (Time Interval Error), МТIE (Maximum Time Interval Error) и TDEV (Time Deviation). Проведение измерений параметров сети синхронизации в IP/MPLS-сети и осуществление контроля.
статья, добавлен 27.07.2016A 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 20.01.2017Especially the use of measuring instruments for the diagnosis of energy system models that represent the stationary states in the second and third stages of the transition process. Usage of PMU for diagnostics of power system's mathematical model.
статья, добавлен 23.06.2013Design of complex large-scale systems. Multilevel multiobjective optimization methodology that can be implemented in the computer-aided design software for technical means optimal choice. Scheme of the simulation table for navigation equipment testing.
статья, добавлен 14.09.2016Review of modern systems of control which are intended for use in nuclear power plants including their functions and main tasks. Discussion on the application of programmable logic gates (FPGA). Experience of modernization of the digital systems on FPGA.
статья, добавлен 29.06.2016Orthogonal frequency division multiplexing как способ форматирования сигналов в телекоммуникационных системах, его отличия от одночастотной передачи. Метод синтеза сигнально-кодовых конструкций для OFDM сигнала в канале с постоянными параметрами.
статья, добавлен 30.07.2016Research of efficiency of a ultrasonic transducer for excitation longitudinal and shear waves on base of yttrium iron garnet thin films. Study of value and the direction of an external magnetic field, geometric sizes of a films, and ultrasound frequency.
статья, добавлен 17.01.2016Brain-computer interfaces as an innovative technology enabling direct communication between the human brain and computing systems. The connection of this problem with important scientific and practical tasks. Ways to solve problems related to IMC.
статья, добавлен 25.11.2023The use of two-step hybrid asymptotic method, based on the methods of perturbation theory and phase integrals for solutions of the nonlinear problem of oscillation of the aircraft. Direct numerical integration of the equations of the original problem.
статья, добавлен 22.12.2016Identification of the main means used in online communications for the organization of polite communication. Features of politeness in the little-studied field of Russian-language online communication. Prohibitions on certain forms of speech behavior.
статья, добавлен 11.03.2021Electronic 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 12.08.2016Smart Blind Stick is an innovative device that helps blind people solve problems in their lives. A system device that includes navigation, an emergency call button. Using sensors present in Smart Blind Stick systems to automatically detect obstacles.
статья, добавлен 12.12.2024Software 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 18.02.2016Понятие цифровых сигнальных процессоров как специализированных микропроцессоров, предназначенных для обработки сигналов. Характеристика областей применения. Расположение памяти команд и данных на кристалле ЦСП. Структурная схема фирмы Analog Devices.
контрольная работа, добавлен 22.01.2014The mechanisms for the formation of zones of possible icing of aircraft during the flight are considered. The algorithm of radar detection of such zones, and the conditions for its use. Identification of the threat of icing during an aircraft flight.
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 28.10.2020