Results 91 to 100 of about 35,288,445 (167)

Beamforming method: suppression of spatial aliasing using moving arrays

, 2008
In the scientific and industrial community a growing interest is nowadays devoted to sound source localization techniques. Among all the existing methods, the use of the beamforming algorithm in sound source localization problems is increasing, thanks ...
LURATI M., RIPAMONTI F., VANALI, Marcello, CIGADA A   +3 more
core  

High Resolution Wide Swath SAR Imaging with Digital Beamforming - Performance Analysis, Optimization, System Design [PDF]

, 2006
Multi-aperture synthetic aperture radar (SAR) systems in combination with an appropriate coherent processing of the individual aperture signals enable high resolution wide swath (HRWS) SAR imaging.
Moreira, Alberto, Gebert, Nicolas, Krieger, Gerhard   +2 more
core  

Spatially Corrected Digital Boundary File - 1991 Census Tracts

, 2017
This dataset is a spatially corrected version of the 1991 Canadian Census Tract Digital Boundary File (DBF). The original boundary file from Statistics Canada contained substantial spatial mismatch error compared to boundaries of other census years.
Allen, Jeff
core   +1 more source

A Novel Frequency Scanning Variable PRI Imaging Mode for Ultrawide Continuous Swath Spaceborne SAR Imaging

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
Digital beamforming (DBF) technique in elevation and variable pulse repetition interval (PRI) technique in azimuth are used to achieve ultrawide continuous swath imaging in synthetic aperture radar (SAR).
Ruizhen Song, Wei Wang, Yongwei Zhang, Yuwei Wu, Weidong Yu   +4 more
doaj   +1 more source

Low-cost digital beamforming based radar systems

, 2013
There are fast-growing demands for radar systems based on smart antennas in civilian applications such as automotive radar, homeland security, corporate security, environmental remote sensing, and etc.
Tang, Yue.
core  

A Novel MIMO SAR Scheme with Intra–Inter-Pulse Phase Coding and Azimuth–Elevation Joint Processing

Remote Sensing
Echo separation has long been a challenging and prominent research focus for Multiple-Input Multiple-Output Synthetic Aperture Radar (MIMO SAR) systems. Digital beamforming (DBF) plays a critical role in achieving effective echo separation, but it often ...
Wulin Peng, Wei Wang, Yongwei Zhang, Yihai Wei, Zixuan Zhang   +4 more
doaj   +1 more source

Single-Snapshot Direction of Arrival Estimation for Vehicle-Mounted Millimeter-Wave Radar via Fast Deterministic Maximum Likelihood Algorithm

World Electric Vehicle Journal
As one of the fundamental vehicular perception technologies, millimeter-wave radar’s accuracy in angle measurement affects the decision-making and control of vehicles.
Hong Liu, Han Xie, Zhen Wang, Xianling Wang, Donghang Chai   +4 more
doaj   +1 more source

Combining MIMO DBF With Automotive Synthetic Aperture Radar Imaging and Phase Error Correction

IEEE Access
Automotive radar systems face challenges in generating high-resolution images that are essential for advancing autonomous driving technology. One promising solution to improve the angle resolution of radar images is the synthetic aperture radar (SAR ...
Masoud Farhadi, Reinhard Feger, Johannes Fink, Thomas Wagner, Andreas Stelzer   +4 more
doaj   +1 more source

A New Concept of Contiguous-Swath SAR Imaging with High Resolution: Strip-Spot SAR. [PDF]

Sensors (Basel), 2022
Korkmaz F, Antoniou M.
europepmc   +1 more source

Robust Low-Sidelobe Transmit Beamforming under Peak-to-Average-Power Ratio Constraint. [PDF]

Sensors (Basel), 2023
Cai L, Chu R, Ding Z, Zou Y, Li H.
europepmc   +1 more source