Results 51 to 60 of about 13,471 (265)

Improved range model based on parameter estimation for high resolution and high squint LEO SAR

The Journal of Engineering, 2019
Due to the curve of the LEO synthetic aperture radar (SAR) orbit and the rotation of the earth, the high resolution imaging for LEO SAR is always facing the problem of obtaining accurate range history.
Tong Gu, Gui Sheng Liao, Zhi Wei Yang, Yi Fan Guo   +3 more
doaj   +1 more source

Radar Signal Processing Architecture for Early Detection of Automotive Obstacles

, 2023
With the mass adoption of automotive vehicles, road accidents have become a common occurrence. One solution to this problem is to employ safety systems that can provide early warning for potential accidents.
Marija Petrović, Vladimir Milovanović, Petrović, Marija, Milovanović, Vladimir, Petrović, Nikola, Nikola Petrović   +5 more
core   +1 more source

Multimodal Perception and Machine Learning‐Empowered Human Machine Interfaces With Double‐Network Hydrogel Fibers

Advanced Functional Materials, EarlyView.
This work develops polyacrylamide‐alginate (PAM‐Alg) double‐network hydrogel fibers for multimodal perception and intelligent human‐machine interfaces. The covalent‐ionic network provides high strength, toughness, and stable conductivity. Easily woven into wearables and integrated with soft robots, the fibers enable object and temperature recognitions ...
Yujue Yang, Minyu Qiu, Di Tan, Xinlong Liu, Junze Zhang, Ziyu He, Jing Han, Yuanyuan Gao, Zihua Li, Hong Fu, Bingang Xu   +10 more
wiley   +1 more source

A Coherent Integration Segment Searching Based GRT-GRFT Hybrid Integration Method for Arbitrary Fluctuating Target

Remote Sensing, 2022
Long-time integration is an effective method for improving the signal–to–noise ratio (SNR) of an echo. However, if the target radar cross-section (RCS) fluctuates over the long integration time, the traditional coherent integration and noncoherent ...
Zhenghe Zhang, Nan Liu, Yongning Hou, Shiyu Zhang, Linrang Zhang   +4 more
doaj   +1 more source

Oxidized MoS2‐Based Multifunctional Memristive Hardware for Energy‐Efficient mmWave Signal Processing and In‐Memory Matrix Multiplication

Advanced Functional Materials, EarlyView.
Thermally oxidized MoS2‐based radio‐frequency switches enable a multifunctional platform that unifies broadband RF switching and in‐memory computation. The device achieves a cutoff frequency of 33.2 THz with high energy efficiency and supports hardware‐aware signal processing.
Juho Son, Changwoo Pyo, Sungmoon Park, Yoongi Cho, Seungchan Lee, Myungsoo Kim   +5 more
wiley   +1 more source

The SIMCA algorithm for processing Ground Penetrating Radar data and its use in landmine detection [PDF]

, 2012
The main challenge of ground penetrating radar (GPR) based land mine detection is to have an accurate image analysis method that is capable of reducing false alarms.
Cockshott, W.P., Anand Sengodan, Sengodan, A., W. Paul Cockshott   +3 more
core   +1 more source

New‐Era Polymer Thermoelectrics: Material Innovations, Doping Frontiers, Decoupling Strategies, and Unconventional Applications

Advanced Materials, EarlyView.
The field of polymer thermoelectrics is entering a new era, featuring breakthroughs in addressing the conventional performance disparity between p‐type and n‐type polymers, pioneering doping frontiers, and sophisticated decoupling strategies. This review explores innovations in molecular design and superior stabilities, bridging the gap from ...
Suhao Wang
wiley   +1 more source

Ground Moving Target Imaging and Analysis for Near-Space Hypersonic Vehicle-Borne Synthetic Aperture Radar System with Squint Angle

Remote Sensing, 2018
Near space is the key to integrating “sky„ and “space„ into the future. A synthetic aperture radar (SAR) that works in this area would initiate a technological revolution for remote sensing applications.
Zhanye Chen, Yu Zhou, Linrang Zhang, Chunhui Lin, Yan Huang, Shiyang Tang   +5 more
doaj   +1 more source

Sonar and radar SAR processing for parking lot detection [PDF]

, 2011
In this paper, SAR processing algorithms for automotive applications are presented and illustrated on data from non-trivial test scenes. The chosen application is parking lot detection.
Mure-Dubois, James, Bonacci, David, Vincent, François   +2 more
core  

Fractional fourier transform based monopulse radar for combating jamming interference

, 2010
Monopulse radars are used to track a target that appears in the look direction beam width. The distortion produced when manmade high power interference (jamming).
S.A. Elgamel, Elgamel, Sherif A.E.H., Soraghan, J.J., J.J. Soraghan   +3 more
core   +1 more source