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3-20 GHz Wideband Tightly-Coupled Dual-Polarized Vivaldi Antenna Array
(2025)
conferenceVery wideband apertures are needed in positioning, sensing, spectrum monitoring, and modern spread spectrum, e.g., frequency hopping systems. Vivaldi antennas are one of the prominent choices for the aforementioned systems ... -
3-Year Follow-Up of Radiation-Associated Changes in Diastolic Function by Speckle Tracking Echocardiography
(06 / 2021)
articleBackground: Radiation therapy (RT) results in myocardial changes consisting of diffuse fibrosis, which may result in changes in diastolic function. Objectives: The aim of this study was to explore RT-associated changes in ... -
A 30-dBm class-d power amplifier with On/Off logic for an integrated tri-phasing transmitter in 28-nm CMOS
(07.08.2018)
conference<p>This paper presents an eight-unit class-D power amplifier (PA), implemented in 28-nm CMOS. The PA is designed to utilize tri-phasing modulation, which combines coarse-amplitude polar modulation with fine-resolution ... -
A 30-GHz Switched-Capacitor Power Amplifier for 5G SoCs
(01.11.2020)
conferenceSwitched-capacitor power amplifier has gained popularity within the radio frequency integrated circuit community, since it is CMOS compatible offering high integration density and good performance particularly in terms of ... -
30-Year Trends in the Incidence, Characteristics, and Outcome of Cardiac Sarcoidosis in a Nationwide Cohort
(08 / 2024)
articleBackground: Cardiac sarcoidosis (CS) is a rare but potentially fatal inflammatory cardiomyopathy. Objectives: The authors studied temporal changes in the incidence, characteristics, and outcome of CS. Methods: A retrospective ... -
31% European InGaP/GaAs/InGaNAs Solar Cells For Space Application
E3S Web of Conferences (2017)
conferenceWe report a triple junction InGaP/GaAs/InGaNAs solar cell with efficiency of ~31% at AM0, 25 °C fabricated using a combined molecular beam epitaxy (MBE) and metal-organic chemical vapour deposition (MOCVD) processes. The ... -
33 W continuous output power semiconductor disk laser emitting at 1275 nm
(20.03.2017)
article<p>We demonstrate a semiconductor disk laser emitting at 1275nm, employing a wafer fused AlInGaAs/InP-AlAs/GaAs gain mirror. A built-in Au-reflector was used to reflect the pump light not absorbed in a single pass ... -
3D angle-of-arrival positioning using von Mises-Fisher distribution
(2018)
conferenceWe propose modeling an angle-of-arrival (AOA) positioning measurement as a 3-dimensional von Mises-Fisher (VMF)-distributed unit vector instead of the conventional normally distributed azimuth and elevation measurements. ... -
3D Attitude Calculation for the Grasper of a Crane System with a Rotary Gyroscope
(11 / 2018)
conferenceThis paper focuses on attitude calculation for a grasper, which hangs on a heavy-duty machine with rope or links at the boom tip, using a triad-axis rotary gyroscope attached on the grasper. The aim of the attitude calculation ... -
The 3D bioprinted human induced pluripotent stem cell-derived cardiac model: Toward functional and patient-derived in vitro models for disease modeling and drug screening
(2023)
articleMore relevant human tissue models are needed to produce reliable results when studying disease mechanisms of genetic diseases and developing or testing novel drugs in cardiac tissue engineering (TE). Three-dimensional (3D) ... -
3D bioprinting of the kidney—hype or hope?
(28.08.2018)
reviewarticleThree-dimensional (3D) bioprinting is an evolving technique that is expected to revolutionize the field of regenerative medicine. Since the organ donation does not meet the demands for transplantable organs, it is important ... -
3D Component Method Based on the Rakes
Tampere University of Technology. Publication (01.12.2017)
docThere are not practical design tools adequately available for the three-dimensional (3D) modelling and analysis of the structural steel joints. Especially, the missing guidance given in the standard has negative influence ... -
3D Continuum Modelling of PDC Cutting of Rock with a Simple Contact-Erosion Scheme
(2023)
articleThis paper presents a relatively simple numerical approach to predict the cutting force during PDC (polycrystalline diamond contact) cutting of rock. The rock failure model is based on a damage-viscoplasticity model, with ... -
3D Finite Element Model as a Tool for Analyzing the Structural Behavior of a Railway Track
(2016)
article<p>The rising public and commercial demands on railway network increases the need to improve systems that comprise the railway network. Especially in case of mixed corridors, the demands for track smoothness and load ... -
3D folded loop UAV antenna design
Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (2018)
conference<p>Utilization of Unmanned Aerial Vehicles (UAVs), also known as “drones”, has a great potential for many emerging applications, such as delivering the connectivity on-demand, providing services for public safety, ... -
3D interfacial debonding during microbond testing: Advantages of local strain recording
(10.04.2020)
articleThe microbond (MB) test is the most widely adopted micromechanical test to characterize fibre matrix interfaces but typically lacks reliability and output for determining multi-parameter interface models. In the current ... -
3D laparoscopic prostatectomy: A prospective single-surgeon learning curve in the first 200 cases with oncologic and functional results
(01.04.2021)
articleBackground: Studies for 3D-laparoscopic prostatectomy (3D-LRP) learning curve and surgical results are lacking. Combining 3D vision to LRP attenuates differences compared to Robotic assisted laparoscopic prostatectomy ... -
3D laparoscopic prostatectomy: results of multicentre study
(2022)
articleIntroduction: Three-dimensional laparoscopic prostatectomy (3D LRP) is a potentially cost-effective option for robot-assisted laparoscopic prostatectomy (RALP). Results for two-dimensional LRP and RALP are well documented; ... -
3D Magneto-Mechanical Finite Element Analysis of Galfenol-Based Energy Harvester Using an Equivalent Stress Model
(2020)
articleThis article presents the implementation of an equivalent stress model to analyze a Galfenol-based magneto-mechanical energy harvesting concept device. The equivalent stress approach can transform any arbitrary stress ...
