Results 11 to 20 of about 643,838 (299)
2023 IEEE International Conference on Acoustics, Speech, and Signal Processing Workshops (ICASSPW), 2023 Delay-Doppler waveform design has been considered as a promising solution to achieve reliable communication under high-mobility channels for the space-air-ground-integrated networks (SAGIN). In this paper, we introduce the cyclic delay-Doppler shift (CDDS) technique for delay-Doppler waveforms to extract transmit diversity in doubly selective channels.
Haoran Yin 0001 +6 more
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Improving OFDM Using Delay-Doppler Channel Estimation
IEEE Open Journal of the Communications SocietyIn high-mobility environments, rapid channel variations and intercarrier interference (ICI) hinder the performance of orthogonal frequency division multiplexing (OFDM).
Hamish Peter Hayes Shaw +2 more
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Exploiting Time And Frequency Information For Delay/Doppler Altimetry
, 2014 Publication in the conference proceedings of EUSIPCO, Lisbon, Portugal ...
Halimi, Abderrahim +4 more
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Modeling the Effects of Topography on Delay-Doppler Maps [PDF]
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2020 A method for simulating delay-Doppler maps (DDMs) of global navigation satellite system signals reflected from land surfaces with heterogeneous terrain is developed from first principles. The method follows previous work for ocean DDMs in the geometric optics limit of the Kirchhoff approximation.
James D. Campbell +2 more
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Scatterer Identification by Atomic Norm Minimization in Vehicular mm-Wave Propagation Channels
IEEE Access, 2022 Sparse scatterer identification with atomic norm minimization (ANM) techniques in the delay-Doppler domain is investigated for a vehicle-to-infrastructure millimeter wave propagation channel.
Herbert Groll +5 more
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Sensing Sea Ice Based on Doppler Spread Analysis of Spaceborne GNSS-R Data
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2020 The spaceborne Global Navigation Satellite System-Reflectometry (GNSS-R) delay-Doppler map (DDM) data collected over ocean carry typical feature information about the ocean surface, which may be covered by open water, mixed water/ice, complete ice, etc ...
Yongchao Zhu +9 more
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Leida xuebao, 2013 The active decoy jamming to SAR based on the Time-Delay Doppler-Shift (TDDS) method takes effect in certain region. Proper utilization of jamming ensuring decoy quality is based on the study of the effective region. After the mathematical analysis of the
Liu Yong-cai +3 more
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Orthogonal Delay-Doppler Division Multiplexing Modulation
IEEE Transactions on Wireless Communications, 2022 Inspired by the orthogonal time frequency space (OTFS) modulation, in this paper, we consider designing a multicarrier (MC) modulation on delay-Doppler (DD) plane, to couple the modulated signal with a doubly-selective channel having DD resolutions. A key challenge for the design of DD plane MC modulation is to investigate whether a realizable pulse ...
Hai Lin 0001, Jinhong Yuan
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Hearing Characteristics and Doppler Shift Compensation in South Indian CF-FM Bats [PDF]
, 1980 1. Echolocation pulses, Doppler shift compensation behaviour under laboratory conditions and frequency response characteristics of hearing were recorded inRhinolophus rouxi, Hipposideros speoris andHipposideros bicolor. 2.
Schuller, Gerd
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Известия высших учебных заведений России: Радиоэлектроника, 2018 Narrowband approximation of Doppler effect by a frequency shift is inappropriate for some problems of radiolocation, hydro acoustics or passive location.
I. V. Gogolev
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