Results 111 to 120 of about 812,823 (303)
IEEE AccessThis work proposes a miniaturized, circularly polarized (CP), triple-band, MIMO implantable antenna for wireless capsule endoscopy (WCE) and deep tissue applications in an internet of medical things (IoMT) scenario.
Syed Nazim Shah +4 more
doaj +1 more source
Advanced Materials Technologies, EarlyView.Transducers convert physical signals into electrical and optical representations, yet each mechanism is bounded by intrinsic trade‐offs across bandwidth, sensitivity, speed, and energy. This review maps transduction mechanisms across physical scale and frequency, showing how heterogeneous integration and multiphysics co‐design transform isolated ...
Aolei Xu +8 more
wiley +1 more source
Sensor Networks with Random Links: Topology Design for Distributed Consensus
, 2007 In a sensor network, in practice, the communication among sensors is subject to:(1) errors or failures at random times; (3) costs; and(2) constraints since sensors and networks operate under scarce resources, such as power, data rate, or communication ...
José M. F. Moura +2 more
core +3 more sources
Optoelectronically Active GaAs/GeSn‐MQW/Ge Heterojunctions Created via Semiconductor Grafting
Advanced Optical Materials, EarlyView.Semiconductor Grafting enables a lattice‐mismatched GaAs/GeSn‐MQW/Ge heterojunction with engineered band offsets and optical field distribution. The enlarged conduction and valence band discontinuities govern asymmetric carrier transport, producing bias‐dependent dual‐mode photodetection from visible to near‐infrared wavelengths.
Jie Zhou +22 more
wiley +1 more source
Advanced Robotics Research, EarlyView.This work presents a state‐adaptive Koopman linear quadratic regulator framework for real‐time manipulation of a deformable swab tool in robotic environmental sampling. By combining Koopman linearization, tactile sensing, and centroid‐based force regulation, the system maintains stable contact forces and high coverage across flat and inclined surfaces.
Siavash Mahmoudi +2 more
wiley +1 more source
Comparison of direct and heterodyne detection optical intersatellite communication links [PDF]
The performance of direct and heterodyne detection optical intersatellite communication links are evaluated and compared. It is shown that the performance of optical links is very sensitive to the pointing and tracking errors at the transmitter and ...
Chen, C. C., Gardner, C. S.
core +1 more source
Advanced Science, EarlyView.Climate change reshapes the spatial alignment between crop production and environmental resources. Using multi‐source data and a crop model, integrated climatic, water, and soil endowments for maize and wheat are quantified and compared with harvest distributions.
Zheng'e Su +13 more
wiley +1 more source
Analisis Unjuk Kerja Radio Ip Dalam Penanganan Jaringan Akses Menggunakan Perangkat Hardware Alcatel-lucent 9500 Microwave Packet Radio (Mpr) [PDF]
, 2014 Tujuan mengevaluasi unjuk kerja Radio Ip dalam menangani jaringan akses dengan menggunakan perangkat hardware Alcatel-Lucent 9500 MPR adalah dapat membantu untuk mendapatkan jaringan akses yang tidak dapat dijangkau pada daerah sub urban seperti Rasau ...
Rahmaniah, S. R. (Syarifah)
core +1 more source
Global Nitrogen Deposition Promotes Carbon Sink Formation in Terrestrial Ecosystems
Advanced Science, EarlyView.Nitrogen deposition alleviates ecosystem N limitation and enhances carbon sinks. Using 829 observations, we show 36% of deposited N is retained globally (39.15 Tg N yr−1), with distinct NHx and NOy contributions. This retention drives a terrestrial C sink of 0.88 Pg C yr−1 (25.48%), highlighting the importance of pool‐specific C:N stoichiometry ...
Lei Li +6 more
wiley +1 more source
Is foreign aid fungible? Evidence from the education and health sectors [PDF]
This paper takes a fresh look at the issue of foreign aid fungibility. Unlike the bulk of existing empirical studies, I employ panel data that contain information on the specific purpose for which aid is given.
Nicolas Van de Sijpe
core