Results 1 to 10 of about 334,526 (272)
Realization of a compact mercury ion microwave clock with frequency stability of 6.3 × 10− 16 [PDF]
Scientific ReportsThe mercury ion microwave clock is considered to be one of the leading candidates for new generation satellite navigation atomic clocks due to its excellent long-term frequency stability, extremely low frequency drift rate, high reliability and good ...
Hao Liu +8 more
doaj +2 more sources
A Ku-Band Miniaturized System-in-Package Using HTCC for Radar Transceiver Module Application
Micromachines, 2022 This paper introduces a miniaturized system in package (SIP) for a Ku-band four-channel RF transceiver front-end. The SIP adopts the packaging scheme of an inner heat-dissipation gasket and multi-layer substrate in the high temperature co-fired ceramics (
Fan Yang, Bowen Zhang, Leijun Song
doaj +1 more source
Microwave Passive Direction-Finding Method Based on NV Color Center in Diamond
Micromachines, 2023 In this study, we established a passive direction-finding scheme based on microwave power measurement: Microwave intensity was detected using microwave-frequency proportion integration differentiation control and coherent population oscillation effect ...
Qi Wang +4 more
doaj +1 more source
Low-Profile Frequency-Reconfigurable LTE-CRLH Antenna for Smartphones
IEEE Access, 2020 This paper presents a monopole antenna loaded with one frequency-reconfigurable composite right/left-handed (CRLH) unit cell. This antenna is designed by means of two varactor diodes and with changing capacitance operating at LTE700 (698-798 MHz), LTE850
A. Shahgholi, G. Moradi, A. Abdipour
doaj +1 more source
Imaging Simulation and Damage Assessment Feature Analysis of Ku Band Polarized SAR of Buildings
Leida xuebao, 2020 Building damage assessment is important in disaster emergency monitoring. In recent years, with the increase of multi-polarization capability of Synthetic Aperture Radar (SAR), Polarimetric Synthetic Aperture Radar (PolSAR) provides more possibilities ...
PANG Lei +7 more
doaj +1 more source
Photonic Approach for Measuring AOA of Multiple Signals With Improved Measurement Accuracy
IEEE Photonics Journal, 2020 The objective of this paper is to present a microwave photonic system that can measure the angle of arrival (AOA) of multiple microwave signals with improved measurement accuracy.
Hao Chen +2 more
doaj +1 more source
Nonlinear Analysis, 2022 In this paper, the full-wave analysis of the direct scattering problem in the rectangular waveguide is derived. The numerical calculation results of the scattering characteristics are presented.
Ilona Zamaraite +5 more
doaj +1 more source
Non-absorbing high-efficiency counter for itinerant microwave photons [PDF]
, 2014 Detecting an itinerant microwave photon with high efficiency is an outstanding problem in microwave photonics and its applications. We present a scheme to detect an itinerant microwave photon in a transmission line via the nonlinearity provided by a ...
Combes, Joshua +4 more
core +2 more sources
Microwave Moisture Measurements
Measurement Science and Technology, 2007 Microwave moisture measurements refer to a methodology by which the water content of materials is non-invasively determined using electromagnetic fields of radio and microwave frequencies. Being the omnipresent liquid on our planet, water occurs as a component in most materials and often exercises a significant influence on their properties.
Kaatze, Udo +2 more
openaire +2 more sources
Quantum nondemolition detection of a propagating microwave photon [PDF]
, 2013 The ability to nondestructively detect the presence of a single, traveling photon has been a long-standing goal in optics, with applications in quantum information and measurement.
Baragiola, Ben Q. +7 more
core +2 more sources