Results 101 to 110 of about 26,636 (252)

Geometric Characterization of LEO–GEO Inter‐Satellite Links for Bidirectional Communications

International Journal of Satellite Communications and Networking, EarlyView.
ABSTRACT Incorporating geosynchronous Earth orbit (GEO) and low Earth orbit (LEO) satellites can extend communication services far beyond the reach of terrestrial infrastructure. A key enabler of such architectures is the establishment of inter‐satellite links (ISLs) between LEOs and GEOs to support bidirectional communications.
Muhammad Furqan, Lingfeng Ye, Yanming Feng   +2 more
wiley   +1 more source

Estimation of vibration amplitude in Fourier domain optical coherence tomography interferometric signals from Doppler spectrum

, 2013
In presented method combination of Fourier and Time domain detection enables to broaden the effective bandwidth for time dependent Doppler Signal that allows for using higher-order Bessel functions to calculate unambiguously the vibration ...
Krzysztof Maliszewski, Maciej Wojtkowski, David Alonso-Caneiro, Alonso-Caneiro, David, Karol Karnowski, Wojtkowski, Maciej, Karnowski, Karol, Maliszewski, Krzysztof, Szkulmowski, Maciej, Maciej Szkulmowski   +9 more
core   +1 more source

Small‐Scale Magnetic Soft Robots for Medical Applications: From Laboratory to Clinical Use

SmartBot, EarlyView.
Small‐scale magnetic soft robots are emerging as promising platforms for minimally invasive diagnosis and therapy in complex in vivo environments. This review compares untethered and tethered medical magnetic robots in parallel across five translational stages, from basic performance testing to clinical evaluation.
Xingxing Ke, Shizhi Li, Tianrui Zhang, Yue Zhong, Songyang Li, Shuo Zhang, Zhiping Chai, Menghao Pu, Zisheng Zong, Haochen Yong, Xingxing Dong, Lanting Huang, Zhen Deng, Shuaizheng Yan, Yue Zhang, Zhaoju Zhu, Mingzhu Zhu, Linze Li, Ruiquan Chen, Shu Zhang, Chong Wu, Di Wu, Lei Yang, Rui Chen, Tongzhi Niu, Hongling Qin, Han Ding, Bingwei He, Siqi Wu, Zhigang Wu   +29 more
wiley   +1 more source

Frame synchronization algorithm based on delay-Doppler domain signal sparsity for OTFS system

Dianxin kexue
A frame synchronization algorithm based on delay-Doppler domain was proposed for orthogonal time frequency and space (OTFS) modulation systems with a single pilot structure.
CHEN Yang, YANG Haiyan, CHENG Kaiying, LIU Heng, MA Zheng   +4 more
doaj   +2 more sources

Left and right myocardial performance indices in growth‐restricted fetuses: systematic review and meta‐analysis

Ultrasound in Obstetrics &Gynecology, EarlyView.
ABSTRACT Objectives To evaluate alterations in fetal cardiac function in pregnancies complicated by fetal growth restriction (FGR) by synthesizing evidence on myocardial performance index (MPI) and its constituent parameters for both the left and right ventricles.
A. Sirico, I. Mappa, G. M. Maruotti, L. Cobellis, G. Rizzo   +4 more
wiley   +1 more source

A Method of Interference Suppression in Integrated OTFS Communication and Sensing Systems

IEEE Access
The orthogonal time-frequency space (OTFS) modulation is resistant to double selective fading, making it a promising modulation scheme for next-generation integrated sensing and communication (ISAC) systems.
Zhiling Tang, Long Yu
doaj   +1 more source

An Acoustic OFDM System with Symbol-by-Symbol Doppler Compensation for Underwater Communication

The Scientific World Journal, 2016
We propose an acoustic OFDM system for underwater communication, specifically for vertical link communications such as between a robot in the sea bottom and a mother ship in the surface.
Tran MinhHai, Saotome Rie, Taisaku Suzuki, Tomohisa Wada   +3 more
doaj   +1 more source

From OTFS to DD-ISAC: Integrating Sensing and Communications in the Delay Doppler Domain

IEEE Wireless Communications
Magazine paper submitted to ...
Weijie Yuan 0001, Lin Zhou 0002, Saeid K. Dehkordi, Shuangyang Li, Pingzhi Fan, Giuseppe Caire, H. Vincent Poor   +6 more
openaire   +2 more sources

Airborne wind retrieval using GPS delay-Doppler maps

, 2012
Global Navigation Satellite System Reflectometry (GNSSR) has emerged recently as a promising remote sensing tool to retrieve various geophysical parameters of Earth’s surface. GNSS-reflected signals, after being received and processed by the airborne
Valery Zavorotny, Camps Carmona, Adriano José, Rodríguez, Nereida, Nereida Rodriguez-Alvarez, Zavorotny, Valery, Adriano Camps, Akos, D.M., Dennis Akos   +7 more
core   +1 more source

Potentially Preventable Mortality After Elective Colorectal Cancer Surgery: Insights From a National Surgical Mortality Audit

ANZ Journal of Surgery, EarlyView.
ABSTRACT Background Colorectal cancer (CRC) is a significant contributor to preventable deaths worldwide. The assessment of potentially avoidable mortality following elective CRC surgery has yet to be reported. The Australian and New Zealand Audit of Surgical Mortality (ANZASM) seeks to peer‐review all deaths associated with surgical care.
Sergei Bedrikovetski, Luke Traeger, Nathan Procter, Helena S. Kopunic, Guy J. Maddern   +4 more
wiley   +1 more source