Efficiency of partly errors correction in ARQ DTS based on timer signal construction
Development of a method of transmission based on systems with decision feedback and the timer signal designs with the fix part of the error interval of the "good" state equation as. The definition of the boundary conditions of its use and effectiveness.
Подобные документы
Development and justification of new methods for tracking the frequency of a harmonic acceleration signal based on estimates of the instantaneous frequency and phase. Ways to improve the efficiency of new systems, assess their advantages, disadvantages.
статья, добавлен 14.09.2016An iterative approach to the construction of second-order numerical methods based on the Liniger-Willaby method with minimal error of discretization is proposed. Improved time and accuracy in the process of determining the characteristics of quartz.
статья, добавлен 23.10.2020Increasing 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 27.07.2016- 4. 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 The 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 22.12.2016Mathematical 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.
книга, добавлен 25.11.2013The breadth and depth of digital signal processing as one of the most powerful technologies. The most important concepts in statistics and probability. A variety of signal processing techniques. Properties and usage of convolution in several areas.
учебное пособие, добавлен 25.11.2013Are 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 22.12.2016Examination flow chart of the proposed construction approach. Characteristic features the integral output of the receiver, which gives a correct detection signal due to other channels, which still operate properly and an optimally set threschold.
статья, добавлен 01.11.2014The article is devoted to the researches the accuracy of the measurement of range by the multifrequency phase method. The sources of error of probing signals are identified: instability of frequency probing signal, error of measurement amplitude.
статья, добавлен 27.07.2016Research 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 30.07.2016A 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 13.05.2011The development of the GPR "ODYAG -4", designed to monitor the state of pavement. Description, device's characteristics of testing on the road. Development of the radiating and receiving modules for efficient radiation and reception of radar signals.
статья, добавлен 07.11.2018Mathematical modelling methods in the processes of the formation and transmission of the signals of avionic systems. Model of the modulation processes having different initial data. Implementation of the model using the modulation system Simulink.
статья, добавлен 26.06.2016The non-stationary random process disorder detection. The segmentation consists in splitting of speech signal into phonemes. The speech signal disorder points detection is mostly solving in case of small number of its states. The methods of segmentation.
статья, добавлен 14.09.2016Method for obtaining optimal signal spectra. Features of construction of optical test tables for Ultra High Definition Television (UHDTV). spectrum parameters using white type D65 source. Selection of material for colorimetric assessment quality UHDTV.
статья, добавлен 21.06.2016A 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 20.01.2017Создание программ обработки сигналов для современных научных и технических приложений. Частотный анализ и спектральная оценка. Генерация сигналов в пакете Signal Processing. Свойства дискретной свертки двух сигналов. Визуальное представление сигнала.
лабораторная работа, добавлен 26.05.2015Investigation of small-angle X-ray scattering via registering diffraction signal from a sample in the small-angle area. Application of highly-periodic synchrotron radiation from the accelerator complex VEPP-3 to measuring SAXS with exhibition for 1 ns.
статья, добавлен 13.11.2018In the study the possibilities of application of known methods for estimating the life to the task of forecasting the ultimate state of radio-electronic means of the surface-to-air missile system during the operation status of the requested technical.
статья, добавлен 21.03.2022- 21. The frequency-locked loop system of the narrow-band follow-up voltage-controlled oscillator filter
Astatic system of the frequency-locked loop with improved noise immunity. Increasing noise immunity by applying radiopulses convert the spectrum of the input harmonic signal. Implementation radiopulses Converter of the spectrum of the harmonic signal.
статья, добавлен 14.08.2016 Современные тенденции техники радиоприема в последние десятилетия. Взаимосвязанные процессы развития интегральной микроэлектроники, внедрение методов и средств цифровой обработки сигналов и вычислительной техники. Диагностика радиоприемника "Signal-301".
курсовая работа, добавлен 12.09.2014Consideration 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 21.06.2016The 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 30.10.2018Определение 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 27.07.2016