FRAT-OFDM vs. FFT-OFDM Systems in fading ?dditive white Gaussian noise ?hannels
Development of a system of digital wireless high-speed data transmission with orthogonal frequency division. Mathematical modeling and efficiency in the use of Fourier transform and finite Radon transform in a system with orthogonal frequency division.
Подобные документы
????? ?????????????? ???????? ??????????? ?????? ??????????? ?????. OFDM ??? ??????????????????? ? ????????????? ????????? ??????????? ???????. ?????????? ? ????????? ????????????? ?????????? ???-??????? ??????? ? OFDM ??????? ??????????? ?????.
??????, добавлен 27.01.2019The higher frequency bands in satellite telecommunication systems and in astronomy. Design of the Orthomode Transducer. The Optimized Right-Angle Coaxial Junction. Problem of development of multiband feeds for reflector an-tennas in wide frequency ranges.
??????, добавлен 27.07.2016???????? ??????? ?????????? ???-??????? OFDM ??????? ? ??????? ???????, ?????????? ?? ??????????? ????????. ??????????? ????????? ? MatLab ??? ????????????? ???????? OFDM ??????? ????? ????? ? ?????????? ????? ??????????? ?????. ???????? ?????? ?????????.
??????, добавлен 30.04.2018Research 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.
??????, добавлен 17.01.2016Characteristics of wired video camera control interfaces and devices. Ensuring high speed and accuracy of time synchronization of the control system. Operating principle and advantages of the LANC protocol two-way data exchange system for remote control.
??????, добавлен 16.06.2024Identification 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.
??????????? ??????, добавлен 27.07.2012Analysis of the development of super-sensitive superconducting nanobolometer sensors for radiometers with image matrices in the terahertz frequency range. Prospects for the use of nanobolometers with hot electrons with a combined radiation absorber.
??????, добавлен 30.10.2018Research of the process of simulation modeling as a way of predicting the behavior of the information security system. Use Graphical Network Simulator, Kali Linux for intrusion testing and security audit. GNS3 package as a virtual network simulation tool.
??????, добавлен 11.10.2020Especially 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.
??????, добавлен 23.06.2013?????????? ???????????? ????????? ??????????? ? ????????????? ??????????? ????, ???? ???? ??????????? ???????? ??? ??????????? ? ?????????? ??? ???????? ? ?????????? ??????????. ?????????? ???????????? ??’???? ??? ??????????? ?????? ??????? OFDM.
??????, добавлен 24.01.2018- 36. 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.
??????, добавлен 04.11.2018 Presents new and improved method of marking speech signals. The method is based on the use condition Gelder for the speech signal spectrum. Features of the method are its accuracy during decoding of the watermark and independence from the source data.
??????, добавлен 20.01.2017????? ???????????? ??????????? ??? ???? ?? ???????????????? ???????? ?????????? ???-???????. ????? ?????????????? ???????????? ??????? ????????????? ???????????? ????????. ?????????? ? ????????? ???????? ???????? ???-??????? ??????? ? OFDM ??????????.
??????, добавлен 27.01.2019?????????? ?????? ??????? ???????????? ???????? ????????????? ????????????? ???????? OFDM, ???????????????? ??? ?????? ???????? ?????? ? ????????? ????????. ??????????? ?????????????? ????????, ????????? ?????????, ?????????? ?????????????? ?????????.
??????, добавлен 26.03.2016The problem of object detection and recognition, namely, its solution without the use of expensive, resource-intensive and complex data collection and processing systems, with the possibility of its mobility, ease of installation and initial setup.
??????, добавлен 16.08.2021???????????? ???????? ?????????? ?????? ????? ? OFDM-????????? ?? ??????? ??????????-???????????? ????????????. ???????????? ??????????? ?????? ?????????? ???? ??????, ????? ??? ?????? ?????????? ???? ? ??????????? ???????????? ???? ??????????????.
??????, добавлен 30.10.2018???????? ?????????? ? ??????? ???????????. ??????? ???????? ??????? WiMAX. ????????????? ????????? 802.16 WiMAX, ???????? ?????????? ?????????? ??????. ?????????? OFDM ??????? ? QAM ?????????, ???????????? ????????????? OFDM ??????? ??????? WiMAX.
???????, добавлен 15.04.2012?????????? ?????? ???????????? ?????????? ?? ???????????? ??????? ? ??????????? ????? ?? ?????? ???????? ??????? ???????, ??????????? ?????????? ? ???????? ???????????? ?????????????? ????????? ??????? ? ?????? OFDM ???????? ? ?????????? ??????????.
??????, добавлен 25.12.2016- 44. ????????? ???????????? ? ?????? OFDM ???????? ?? ?????? ??????????? ? ??????????? ??????? ???????
????????????? ?????????? ????????? ??? ???????????? OFDM-??? ????????, ?????? ?????????? ???????????? ?????? ?????? ??????????? ???????????????? ?????. ????????????? ?????????????? ??? ???????? ????????? ????????. ?????? ???????? ???-??????? ???????.
??????, добавлен 30.10.2018 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.
??????, добавлен 22.12.2016A 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.
??????, добавлен 13.05.2011Analysis of the existing theoretical and applied aspects of decision support systems. Outlining of the features of using decision support systems in the field of strategic communications. Principles of the functional model of decision support systems.
??????, добавлен 16.06.2024Description of the transitional period of society development based on the use of digital information, communication technologies. Characteristics of the main approaches to the modernization of the personnel training system, the strategy of universities.
??????, добавлен 01.04.2022?????????? ??????? ???????? ?????. ???????????? ?? ????????? ?????????. ????? ??????? ???? ?????????? ??????????????? ??????????? OFDM-???????. ??????? ?? ????????? ??????????? ?????????. ????????? ????????? ???????. ?????????? ????????????? ???????.
??????, добавлен 24.01.2018?????????? ?????? ?????????? ????????? ???????? OFDM ?????? ??? ??????????? ?????? ???????????? ?? ?????? ????????? ??????? ??? ???? ?????????? ???????????. ????????????? ?????? ??????????? ????????? ?????????? ?? ?????????? ???????? ? ???? ?????????.
??????, добавлен 30.10.2018
