Results 51 to 60 of about 53,100 (266)

Polarized Bidirectional Reflectance Distribution Function Matrix Derived from Two-Scale Roughness Theory and Its Applications in Active Remote Sensing

Remote Sensing
A polarized bidirectional reflectance distribution function (pBRDF) matrix was developed based on the two-scale roughness theory to provide consistent simulations of fully polarized microwave emission and scattering, required for the ocean–atmosphere ...
Lingli He, Fuzhong Weng, Jinghan Wen, Tong Jia   +3 more
doaj   +1 more source

Estimation and Validation Study of Soil Moisture Using GPS-IR Technique Over a Tropical Region: Variability of SM With Rainfall and Energy Fluxes

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2022
Soil Moisture (SM) data play an important role in different fields of research like hydrology, agriculture, climatology, etc. In this article, global positioning system interferometric reflectometry technique was used to estimate SM.
G. N. Madhavi, P. Sharath Kumar, R. A. Chipade, Jyoti Bhate, Tummalapalli Venkata Chandrasekhar Sarma   +4 more
doaj   +1 more source

Field‐Free, Deterministic Giant Spin‐Orbit Torque Switching of 1.3 T Perpendicular Magnetization With Symmetry‐Lifted Topological Surface States

Advanced Materials, EarlyView.
We show a giant, bias‐field free, deterministic, spin‐orbit‐torque switching of perpendicular hard magnets with HC over 1.3 T. By combining the three‐fold 3m symmetry from topological insulator surface states with the rectangular mm2 symmetry from the 2 x 1 intercalation in Cr3Te4, the interface symmetry is significantly reduced into a unidirectional m
He Ren, Yawen Peng, Meixin Cheng, Yu Shi, Reza Asadi, Adam W. Tsen, Guo‐Xing Miao   +6 more
wiley   +1 more source

Cross-talk statistics and impact in interferometric GNSS-R [PDF]

, 2016
©2016 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new ...
Alonso Arroyo, Alberto, Camps Carmona, Adriano José, Hyuk, Park, Onrubia Ibáñez, Raúl, Pascual Biosca, Daniel, Querol Borràs, Jorge   +5 more
core   +2 more sources

Thickness Dependence of Linear and Nonlinear Optical Properties of Multilayer 3R‐MoS2

Advanced Optical Materials, EarlyView.
Thickness as a key design parameter for optimizing the nonlinear optical response of layered transition metal dichalcogenides (TMDs) materials is established. The demonstrated correlation between thickness, linear spectra, and harmonic generation efficiency provides a powerful framework for tailoring nonlinear performance.
Fatemeh Abtahi, Alen Shaji, Gia Quyet Ngo, Benjamin Laudert, Hossein Esfandiar, Sebastian W. Schmitt, Falk Eilenberger   +6 more
wiley   +1 more source

A Geophysical Model Function for S‐Band Reflectometry of Ocean Surface Winds in Tropical Cyclones

Geophysical Research Letters, 2019
Ocean surface wind remote sensing using reflectometry measurements from S‐band (2.3 GHz) digital communication satellite transmissions is demonstrated in tropical cyclones.
Han Zhang, James L. Garrison, Rozaine Wijekularatne, James Warnecke   +3 more
doaj   +1 more source

AI‐Optimized Vanadium Oxide Multilayers for More Than 20‐fold Enhancement in Bolometric Performance

Advanced Science, EarlyView.
Machine‐learning‐optimized WxV1‐xOy multilayer thin films with graded doping achieve a high TCR (7.3 % K−1), reduced hysteresis, and low noise under CMOS‐compatible growth conditions. This approach overcomes the long‐standing trade‐off in microbolometers between linear response and performance, offering a universal bolometric parameter greatly enhanced
Jin‐Hyun Choi, Hyoung‐Taek Lee, Jeonghoon Kim, Miju Park, Seungjoon Sun, Gye‐Hyeon Kim, Myung‐Ho Kwon, Hyeong‐Ryeol Park, Changhee Sohn   +8 more
wiley   +1 more source

Integrating UAS-Based GNSS-R, LiDAR, and Multispectral Data for Soil Moisture Estimation: Summary of Results From a Three-Year-Long Field Campaign

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
Accurate and high-resolution soil moisture (SM) measurement is a critical component for site-specific precision agriculture (PA) management. Efficiently observing SM at high resolution on a subfield scale can enhance irrigation planning and management ...
Md Mehedi Farhad, Volkan Senyurek, Mohammad Abdus Shahid Rafi, Sriman Bidhan Baray, Cary McCraine, Lee A. Hathcock, Ardeshir Adeli, Huang Yanbo, Ali C. Gurbuz, Mehmet Kurum   +9 more
doaj   +1 more source

Sensitivity to Soil Moisture and Observation Geometry of Spaceborne GNSS-R Delay-Doppler Maps [PDF]

, 2019
© 2019 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes,creating new ...
Camps Carmona, Adriano José, Castellví Esturi, Jordi, Hyuk, Park, Portal González, Gerard, Spatafora, Luciana Rossato, Vall-Llossera Ferran, Mercedes Magdalena   +5 more
core   +1 more source

Small and Simple Molecular Structure Based Thermally Stable Ruthenium Precursor in Advancing Ruthenium ALD Process for Scaled Interconnect Metallization

Advanced Science, EarlyView.
A thermally robust (≈400 °C), critically small‐size‐simple ligand structure ruthenium (Ru) precursor enables exceptional growth per cycle (≈1.28 Å cycle−1), short incubation (≈8 cycles), ultralow resistivity (8.65 µΩ cm) and outstanding substrate selectivity via atomic layer deposition (ALD) process at high temperatures, overcoming prior Ru‐ALD ...
Hideaki Nakatsubo, Debananda Mohapatra, Eun‐Soo Lee, Jeongha Kim, Iaan Cho, Masato Iseki, Toshiyuki Shigetomi, Ryosuke Harada, Sang‐Woong Na, Taehoon Cheon, Bonggeun Shong, Soo‐Hyun Kim   +11 more
wiley   +1 more source