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
Analisys 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 30.07.2016Технология Radio Frequency Identification - бесконтактная идентификация с помощью радиочастоты. Техника автоматической идентификации на основе сохранения и приема сигналов от удаленного предмета с использованием смарт-карт. Система распознавания лиц.
статья, добавлен 06.05.2018Analysis of systems for monitoring the parameters of the telecommunication network with increased information content of the point measurements. Designing the structure of the upgraded monitoring system for the stationary and mobile measurement devices.
статья, добавлен 27.07.2016Features a mathematical model of wireless mesh-network, which implements the principle of access time to a common radio resources. Allocation of slots and their routing. Analysis of finite delay in terms of the allocation of slots along the route.
статья, добавлен 22.03.2016Modelling of Chaotic Rossler System in LabView. Time dependences of the Rossler system. Fourier spectral analysis when the number of iterations. Software interface for masking and decryption of the information carrier with the chaotic Rossler system.
статья, добавлен 30.10.2016The modern methods of evaluation time for study electronic devices for low-level noise. Qualitative determination of reliability characteristics. Performance evaluation of monitoring tools of electronic products by the level of low-frequency noise.
статья, добавлен 21.06.2016Study of the main problems with heating and ways to resolve them. Review of computer design, methods and techniques used in it, performance analysis. Analysis of possible universal approaches to the automated design of a heating system using a heat pump.
статья, добавлен 14.09.2016Increasing the speed of information transmission in telecommunication systems. The study of signal distortion due to nonlinearities and types of dispersion. Using amplitude modulation to increase the speed of transmission in telecommunication networks.
статья, добавлен 27.07.2016The mutual information approach, correlation integral analysis, false nearest neighbour algorithm. Lyapunov exponent's analysis, and surrogate data method are used for comprehensive characterization on the basis of Geomath microsystem technology.
статья, добавлен 29.07.2016Generator frequency tags, the structural scheme of the sweep generator frequency determinant. Analysis of changes in the frequency of the generator harmonics. The relationship between the nonlinearity coefficient and multiplier nonlinearity of the sweep.
статья, добавлен 21.06.2016Research and characterization of features of the method of information transfer using perfect binary arrays, which is based on their structural and correlation properties. Transmission of discrete digital messages by means of cyclic wideband signals.
статья, добавлен 30.07.2016The development of a positioning algorithm on the board of a moving object using the information about the direction of signal reception from Global System for Mobile Communications base stations. The system as the effective method of positioning.
статья, добавлен 22.12.2016Задача сокрытия информации в стеганоконтейнере. Метод LSB matching, его преимущества. Изменение частотной гистограммы при сокрытии сообщения в 100% отсчетов аудиофайла методом LSB-matching. Методика простой замены последнего бита части отсчетов.
статья, добавлен 30.05.2017Collection, storage and analysis of information from a trade organization with synchronization and output to an application installed on a PC or smartphone. Development of an algorithm for creating a user recognition system in order to identify buyers.
статья, добавлен 30.10.2020The studying the latest model of simultaneous interpretation booths in the market - iBooth. The best acoustic environment for the distinction of various languages. The principal benefits of innovative digital technology to modern conference systems.
презентация, добавлен 16.05.2014Performing Fourier transform by optical devices. Features of schemes of fundamental models of optical computing devices for constructing correlation characteristics and the creation of a correlation-extreme guidance systems and landing spacecraft.
статья, добавлен 08.03.2019Identification of asymptotic dependence of the impedances on frequency for very low frequencies and for very high frequencies, and explanation of this dependence physically. The proof of that a studied network works in a sinusoidal steady condition.
контрольная работа, добавлен 27.07.2012The mathematical foundation of filtration technology of useful information from noises in the radiotechnical and radiocomputer systems on the basis of the stochastic modification of Gilbert-Huang transformation has been developed in the article.
статья, добавлен 27.07.2016Mathematical model of electrode processes in systems with amalgam electrodes of limited volume. The influence of the concentration values of the supporting electrolyte solution on the peak height of dissolution is researched. Characteristics of amalgam.
статья, добавлен 29.07.2016A novel method of digital modulation with a high spectral efficiency, called the Angle Modulated M-ary Quadrature Amplitude Modulation. The main advantage of EM-MQAM is an ability to transmit a multilevel MQAM constellation as a constant envelope signal.
статья, добавлен 13.05.2011New approach to remote sensing, which combines the spectral and polarization-metric characteristics of signals. Theory for the case of rain monitoring by an active monostatic radar. Examples of the spectral polarimetric approach in various fields.
статья, добавлен 14.09.2016The technique of identification of the mechanical backlash of navigational equipment test table is considered as means for certification requirements verification. Identification procedures of mathematical model of mechanical backlash are considered.
статья, добавлен 22.12.2016- 48. Optimal suppression of an electromagnetic interference effect on an acceleration measuring device
Analysis the algorithms of the synthesis of optimal structure. Investigation of parameters of the filter transfer functions matrix which enables to extract the vector of useful signals with the noise correction from the acceleration measuring data.
статья, добавлен 22.12.2016 Current-voltage characteristics of semiconductor ultrahigh frequency diode. The detection of an electromagnetic field and measurement of its density. The equivalent scheme of the ultrahigh frequency semiconductor diode. Microwave diode, linear regression.
статья, добавлен 27.07.2016Methods of improving channels for the transmission of TV-signals. The algorithm for determining the colour gamut of a digital space. Means of determining the color of a point in the uniform color space. The properties of a adaptive model of channel.
статья, добавлен 26.03.2016