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Programmable nonreciprocal meta-prism
Optical prisms are made of glass and map temporal frequencies into spatial frequencies by
decomposing incident white light into its constituent colors and refract them into different …
decomposing incident white light into its constituent colors and refract them into different …
Wideband inter-beam interference cancellation for mmW/sub-THz phased arrays with squint
As relative bandwidth increases, beam squint, ie, frequency dependent directivity, limits the
wideband performance of phase-shifter steered arrays. This effect is already notable in 5G …
wideband performance of phase-shifter steered arrays. This effect is already notable in 5G …
Novel application of the hollow dielectric resonator antenna as a packaging cover
The dual functions of the rectangular hollow dielectric resonator antenna (DRA) as an
antenna and a packaging cover are investigated. The design methodology is discussed, and …
antenna and a packaging cover are investigated. The design methodology is discussed, and …
Noise cancellation effects in integrated photonics with Wilkinson power dividers
Wilkinson power dividers (WPDs) are a popular element in RF and microwave technologies
known for providing isolation capabilities. However, the benefits that WPDs could offer to …
known for providing isolation capabilities. However, the benefits that WPDs could offer to …
Noise figure of an active antenna array and receiver system
Progress has been made in extending traditional antenna terms to complex phased array
receivers, but a satisfactory definition for the noise figure of an active antenna and receiver …
receivers, but a satisfactory definition for the noise figure of an active antenna and receiver …
A four-channel bi-directional CMOS core chip for X-band phased array T/R modules
This paper presents a four-channel bi-directional core chip in 0.13 um CMOS for X-band
phased array Transmit/Receive (T/R) module. Each channel consists of a 5-bit step …
phased array Transmit/Receive (T/R) module. Each channel consists of a 5-bit step …
Spatial interference reduction by subarray stacking in large two-dimensional antenna arrays
This article proposes a systematic approach for stacking uniform linear arrays (ULAs) of
different sizes to reduce sidelobes and form nulls to the radiated beam pattern. In sidelobe …
different sizes to reduce sidelobes and form nulls to the radiated beam pattern. In sidelobe …
Specification, verification, and calibration of active electronically scanned array (AESA) antennas
Active Electronically Scanned Arrays (AESA's) have gained over the last years an increasing
interest and utilization, for both space and ground applications. On board satellites, such …
interest and utilization, for both space and ground applications. On board satellites, such …
Orthogonal Thermal Noise and Transmission Signals: A New Coherent Perfect Absorption's Feature
Coherent perfect absorption (CPA) is an interference process associated with the zeros of
the scattering matrix of interest for optical computing, data processing, and sensing …
the scattering matrix of interest for optical computing, data processing, and sensing …
An AESA antenna comprising an RF feeding network with strongly coupled antenna ports
MJP Porras, T Bertuch, C Loecker… - … on Antennas and …, 2014 - ieeexplore.ieee.org
This paper presents an S-band AESA antenna with inexpensive T/R-modules and a novel
RF feeding network operation technique. The antenna ports of the front-end's feeding …
RF feeding network operation technique. The antenna ports of the front-end's feeding …