Joint channel estimation and multi-user detection for SDMA/OFDM based on dual repeated weighted boosting search [PDF]
, 2011 A joint channel estimation and Multi-User Detection (MUD) scheme is proposed for multi-user Multiple-Input Multiple-Output (MIMO) Space Division Multiple Access / Orthogonal Frequency-Division Multiplexing (SDMA/OFDM) systems.
Sheng Chen +8 more
core +3 more sources
A Man-Made Target Extraction Method Based on Scattering Characteristics Using Multiaspect SAR Data
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2021 Multiaspect synthetic aperture radar (SAR) can obtain the response of the target to the radar illumination in the angle dimension. The radar cross section data referring to scattering behavior can be obtained by multiaspect SAR.
Xiaoyang Yue +3 more
doaj +1 more source
Research on Risk Identification of Dual-channel Green Supply Chain under Dual-carbon Background [PDF]
SHS Web of Conferences, 2022 Based on the double-carbon background, this article analyzes the development requirements of green supply chain. According to the characteristics of dual-channel green supply chain, the risks are divided into external risks and internal risks, and the ...
Ye Hui
doaj +1 more source
IEEE Access, 2021 Big data technology and analytics makes the e-commerce platform obtain more accurate demand information from large-scale customer data. In this paper, we consider a dual-channel supply chain including a manufacturer with risk preference, a traditional ...
Cong Wang +3 more
doaj +1 more source
Speed Calibration and Traceability for Train-Borne 24 GHz Continuous-Wave Doppler Radar Sensor
Sensors, 2020 The 24 GHz continuous-wave (CW) Doppler radar sensor (DRS) is widely used for measuring the instantaneous speed of moving objects by using a non-contact approach, and has begun to be used in train-borne movable speed measurements in recent years in China
Lei Du +4 more
doaj +1 more source
Energies, 2022 In order to improve the performance of a mini-type air-cooled diesel engine in terms of the overall efficiency and engine emissions, a swirl chamber of a variable cross-section dual-channel model was developed.
Lei Wu, Jun Fu, Yi Ma, Donghe Xie
doaj +1 more source
Dual-Channel Surface Waves Directional Radiation with Customizable Intensity and Switchable Pattern
, 2023 Achieving the conversion from surface waves (SWs) to propagating waves has captivated long-standing interest, and various ingenious metasurfaces benefiting from the powerful control capability for electromagnetic waves are able to realize efficient SWs ...
Yueyu Meng (12029318) +23 more
core +1 more source
A Low-Cost and Portable Dual-Channel Fiber Optic Surface Plasmon Resonance System
Sensors, 2017 A miniaturization and integration dual-channel fiber optic surface plasmon resonance (SPR) system was proposed and demonstrated in this paper. We used a yellow light-emitting diode (LED, peak wavelength 595 nm) and built-in web camera as a light source ...
Qiang Liu +4 more
doaj +1 more source
Microstrip three-port 4-channel multiplexers using dual-band bandpass filters for wireless applications [PDF]
, 2008 This paper presents a compact microstrip three-port 4-channel multiplexer using dual-band bandpass filters with good transmission and reflection characteristics on each channel.
Budimir, D. +3 more
core +1 more source
Fore and Aft Channel Reconstruction in the TerraSAR-X Dual Receive Antenna Mode [PDF]
, 2010 The TerraSAR-X satellite is a high resolution synthetic aperture radar (SAR) system launched in June 2007 which provides the option to split the antenna in along-track direction and sample two physical channels separately.
Schulze, Daniel +5 more
core +1 more source