Line Intensity Mapping (LIM) is a new observational technique that uses low-resolution observations of line emission to efficiently trace the large-scale structure Universe out high redshift. Common mm/sub-mm lines are accessible from ground-based observatories, and requirements on detectors for LIM at mm-wavelengths well matched capabilities large-format arrays superconducting sensors. We desc...

in this article, the linear array (with 20 elements in the horizontal orientation) of microstrip antenna is examined with horizontal polarization. the set includes three microstrip substrates. there is a power network in two lower substrates and microstrip patches in the upper substrate. excitation of patches has been done as coupled through the power network in two lower substrates. using the ...

This letter focuses on providing an analytical framework for the quantification and evaluation of pointing error at high-frequency millimeter wave (mmWave) terahertz (THz) communication links. For this aim, we first characterize channel a point-to-point link between unstable transmitter (Tx) receiver (Rx) then, derive probability density function (PDF) cumulative distribution functions (CDF) in...

Here, we propose a low-profile polarizing technique integrated in parallel plate waveguide (PPW) configuration, compatible with fully metallic geodesic lens antennas. The shape of the antenna is chosen to resemble operation Luneburg lens. fed 11 ports 10° separation producing switchable beams an angular range <inline-formula xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www...

INTRODUCTION We compared the efficacy of Karl Storz CMAC Tip™ with inline suction to CMAC with traditional suction device in cadaveric models simulating difficult airways, using media mimicking pulmonary edema and vomit. METHODS This was a prospective, cohort study in which we invited emergency medicine faculty and residents to participate. Each participant intubated 2 cadavers (one with simu...

This paper presents a novel structure based on liquid crystal (LC) technology to achieve high figure of merit $(FOM)$ phase shifter that works at sub-6 notation="LaTeX">$GHz$ frequencies. The phase-shifting mechanism is enabled through the constant variation in main microstrip line, which loaded p...

Quantized constant envelope (QCE) transmission is a popular and effective technique to reduce the hardware cost improve power efficiency of 5G beyond systems equipped with large antenna arrays. It has been widely observed that number quantization levels substantial impact on system performance. This paper aims quantify Specifically, we consider downlink single-user multiple-input-single-output ...

Inline skating belongs like ice hockey, rugby, and boxing to sporting activities with high-risk of suffering tooth accidents. Because of high velocity and loss of balance, especially on uneven ground, the injury potential in inline skating is higher. The objective of this work was to conduct a comparative study between Switzerland and Germany. The questions focussed on the frequency of tooth ac...