Results 51 to 60 of about 11,419,317 (219)

Waveform Selection Method of Cognitive Radar Target Tracking Based on Reinforcement Learning

Leida xuebao, 2023
Based on the obtained knowledge through ceaseless interaction with the environment and learning from the experience, cognitive radar continuously adjusts its waveform, parameters, and illumination strategies to achieve robust target tracking in complex ...
Peikun ZHU, Jing LIANG, Zihan LUO, Xiaofeng SHEN   +3 more
doaj   +1 more source

Strategy of Triple‐Gradient in Binary Pixels for Flexible Pressure Sensing with High Sensitivity and Wide‐Range Linearity

Advanced Science, EarlyView.
A flexible pressure sensor with triple‐gradient design of conductivity, modulus, and dimension in binary micro‐dome pixels is proposed. Based on precisely‐designed CNT/PDMS matrix, the device exhibits a linear sensitivity of 974.1 kPa−1 across range up to 1.8 MPa (R2 > 0.99), offering an effective strategy for potential applications in healthcare ...
Yifan Liu, Xiao Xu, Fengming Hu, Yuanzhe Liang, Zidong Yin, Biao Qi, Ruolin Liu, Ziyi Dai, Jianyi Luo, Bingpu Zhou   +9 more
wiley   +1 more source

Waveform Selection for a Scanning Radar in the Maritime Environment

, 2021
Detection of slow moving targets for a scanning radar in the maritime domain is typically performed using noncoherent detectors with both pulse-to-pulse and/or scan-to-scan integration.
Rosenberg, L., Ng, B., Azam Mehboob, Kutluyil Dogancay, Dogancay, K., Luke Rosenberg, Brian Ng, Mehboob, A., Mike Hartas, Hartas, M.   +9 more
core   +1 more source

A Waveform Design for Integrated Radar and Jamming Based on Smart Modulation and Complementary Coding

Remote Sensing
Waveform design for integrated radar and jamming is generally based on the concept of shared waveform, which uses jamming signals without typical radar signal characteristics for detection.
Huabin Yan, Shiyuan Zhang, Xingyu Lu, Jianchao Yang, Lunhao Duan, Ke Tan, Hong Gu   +6 more
doaj   +1 more source

Friendly Spectrally Shaped Radar Waveform With Legacy Communication Systems for Shared Access and Spectrum Management

IEEE Access, 2015
In this paper, we investigate a friendly spectrally shaped radar waveform design that can be used in a spectral band being utilized by one or more communication systems.
Ric A. Romero, Kevin D. Shepherd
doaj   +1 more source

A Spatial–Temporal Joint Radar-Communication Waveform Design Method with Low Sidelobe Level of Beampattern

Remote Sensing, 2023
A joint radar-communication (JRC) system utilizes the integrated transmit waveform and a single platform to perform radar and communication functions simultaneously. Admittedly, the multibeam waveform design approach could transmit the assigned waveforms
Liu Liu, Xingdong Liang, Yanlei Li, Yunlong Liu, Xiangxi Bu, Mingming Wang   +5 more
doaj   +1 more source

A Microenvironment‐Adaptive Scaffold Rejuvenates Peripheral Nerve Regeneration During Aging Via Dual Modulation of Ferroptotic Stimuli in Schwann Cells

Advanced Science, EarlyView.
(i) Aging impairs peripheral nerve regeneration via its dual ferroptosis‐mediated pathologies in senescent schwann cells. (ii) The composite nerve conduit is a symbiosis niche integrating microenvironment‐responsive nanoparticles (Ga‐PTAs) and maxillofacial‐derived mesenchymal stem cells (Mmscs).
Ning Zhan, Lixin Tian, Lianjie Peng, Jingyu Zhang, Lining Lin, Xiaoting Zhang, Yaxian Luo, Zhichao Liu, Xinhua Yao, Mouyuan Sun, Yong He, Mengfei Yu, Huiming Wang   +12 more
wiley   +1 more source

Stepped-Frequency Waveform radar demonstrator and its jamming

, 2009
In this paper we present some applications of the Stepped-Frequency Signal Waveform designed for the obtention of HRRP (High Resolution Range Profiles) and ISAR (Inverse Synthetic Aperture Radar) images for their ulterior use in NCTI (Non-Cooperative ...
Eduardo de Diego, Montiel, Ignacio, Enrique Millan, González-Blanco, Pilar, Borja Errasti, Millán, Enrique, De Diego, Eduardo, Ignacio Montiel, Pilar Gonzalez-Blanco, Errasti, Borja   +9 more
core   +1 more source

MI-Based Robust Waveform Design in Radar and Jammer Games

Complexity, 2019
Due to the uncertainties of the radar target prior information in the actual scene, the waveform designed based on the radar target prior information cannot meet the needs of parameter estimation.
Bin Wang, Xu Chen, Fengming Xin, Xin Song   +3 more
doaj   +1 more source

Radar Constant-Modulus Waveform Design with Prior Information of the Extended Target and Clutter

Sensors, 2016
Radar waveform design is of great importance for radar system performances and has drawn considerable attention recently. Constant modulus is an important waveform design consideration, both from the point of view of hardware realization and to allow for
Wenzhen Yue, Yan Zhang, Yimin Liu, Jingwen Xie   +3 more
doaj   +1 more source