Results 71 to 80 of about 1,257,379 (230)

Local Azimuth Ambiguity-to-Signal Ratio Estimation Method Based on the Doppler Power Spectrum in SAR Images

Remote Sensing, 2019
In synthetic aperture radar (SAR) images, azimuth ambiguity is one of the important factors that affect image quality. Generally, the azimuth ambiguity-to-signal ratio (AASR) is a measure of the azimuth ambiguity of SAR images.
Hui Meng, Jinsong Chong, Yuhang Wang, Yan Li, Zhuofan Yan   +4 more
doaj   +1 more source

Directed transport born from chaos in asymmetric antidot structures

, 2005
It is shown that a polarized microwave radiation creates directed transport in an asymmetric antidot superlattice in a two dimensional electron gas. A numerical method is developed that allows to establish the dependence of this ratchet effect on several
A. D. Chepelianskii, Abrahams, Astumian, Baskin, Belinicher, Bertsch, Bykov, Calvayrac, Chepelianskii, Cristadoro, Fleischmann, Gusev, Jülicher, Linke, Majer, Matthias, Mennerat-Robilliard, Metropolis, Reimann, Studer, Sturman, Ustinov, Villegas, Weiss   +23 more
core   +2 more sources

A Polarization-Power-Maximum-Based 3-D Imaging Method for Ku-Band UAV-Borne Fully Polarimetric Array InSAR

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
Fully polarimetric array InSAR (Pol-array-InSAR) can obtain 3-D position information and the polarization scattering characteristics of targets. In this article, we propose a polarization analysis-based processing framework for the synthetic aperture ...
Shujie Song, Xiaolan Qiu, Songtao Shangguan, Yitong Luo, Ziya Li, Zhe Zhang, Hang Li   +6 more
doaj   +1 more source

Near-Field Microwave Microscopy of Materials Properties

, 2000
Near-field microwave microscopy has created the opportunity for a new class of electrodynamics experiments of materials. Freed from the constraints of traditional microwave optics, experiments can be carried out at high spatial resolution over a broad ...
Anlage, Steven M., Feenstra, B. J., International School for Advanced Studies, Trieste (Italy), Steinhauer, D. E., Vlahacos, C. P., Wellstood, F. C.   +5 more
core   +2 more sources

Relationship between structure and properties of microwave dielectric ceramic Li(1+)2MgTi3O8 based on Li non-stoichiometry

, 2022
Kui Liu, Cheng Liu, Jie Li, Lichuan Jin, Huaiwu Zhang   +4 more
openalex   +1 more source

Quantization of the superconducting energy gap in an intense microwave field

, 2015
We study photon assisted tunneling in Nb/AlOx/Nb Josephson junctions. A quantitative calibration of the microwave field in the junction allowed direct verification of the quantum efficiency of microwave photon detection by the junctions.
Boris, A. A., Krasnov, V. M.
core   +1 more source

Microwave Photonic Frequency Translators With Large Spurious Suppression and Wide Bandwidth [PDF]

, 2021
Chongjia Huang, Erwin H. W. Chan
openalex   +1 more source

Estimating the power spectrum of the cosmic microwave background [PDF]

, 1998
J. Richard Bond, Andrew H. Jaffe, L. Knox   +2 more
openalex   +1 more source

Low Power Superconducting Microwave Applications and Microwave Microscopy [PDF]

, 1998
We briefly review some non-accelerator high-frequency applications of superconductors. These include the use of high-Tc superconductors in front-end band-pass filters in cellular telephone base stations, the High Temperature Superconductor Space ...
Anlage, Steven M., Dutta, S. K., Feenstra, B. J., Steinhauer, D. E., Thanawalla, A., Vlahacos, C. P., Wellstood, F. C.   +6 more
core   +2 more sources

Microwave photovoltage and photoresistance effects in ferromagnetic microstrips [PDF]

, 2007
N. Mecking, Y. S. Gui, C.‐M. Hu
openalex   +1 more source