Results 11 to 20 of about 221,949 (346)

Multi-Threshold Corner Detection and Region Matching Algorithm Based on Texture Classification

open access: yesIEEE Access, 2019
In order to address the unreasonable distributed corners in single threshold Harris detection and expensive computation cost incurred from image region matching performed by normalized cross correlation (NCC) algorithm, multi-threshold corner detection ...
Zetian Tang   +6 more
doaj   +1 more source

Radiation Pattern Measurement in the Planar Coordinate

open access: yesIEEE Photonics Journal, 2019
A planar measurement approach is presented to obtain the radiation pattern, by which rotation operations can be removed or reduced for a source with narrow and divergent viewing angle, respectively.
Chen Yang   +5 more
doaj   +1 more source

Design of Ellipsoid and Spherical Combined Light Source for Uniform Flux and Color Mixing

open access: yesIEEE Photonics Journal, 2019
In this letter, an ellipsoid–spherical combined light source structure is presented for the purpose of uniform flux and color mixing, when considering heat dissipation.
Rui-Min Zeng   +8 more
doaj   +1 more source

An LDMOS VHF class-E power amplifier using a high-Q novel variable inductor [PDF]

open access: yes, 1999
In this paper, an lateral diffused metal-oxide-semiconductor-based very high-frequency class-E power amplifier has been investigated theoretically and experimentally.
Rutledge, David B., Zirath, Herbert
core   +2 more sources

New approach to power semiconductor devices modeling

open access: yesJournal of Telecommunications and Information Technology, 2004
The main problems occurring during high power device modeling are discussed in this paper. Unipolar and bipolar device properties are compared and the problems concerning high time-constant values related to the diffusion phenomena in the large base are
Andrzej Napieralski   +1 more
doaj   +1 more source

Robustness analysis and experimental validation of a fault detection and isolation method for the modular multilevel converter [PDF]

open access: yes, 2016
This paper presents a fault detection and isolation (FDI) method for open-circuit faults of power semiconductor devices in a modular multilevel converter (MMC).
Clare, Jon C.   +3 more
core   +2 more sources

New Figure-of-Merit Combining Semiconductor and Multi-Level Converter Properties

open access: yesIEEE Open Journal of Power Electronics, 2020
Figures-of-Merit (FOMs) are widely-used to compare power semiconductor materials and devices and to motivate research and development of new technology nodes. These material- and device-specific FOMs, however, fail to directly translate into quantifiable
Jon Azurza Anderson   +3 more
doaj   +1 more source

No external load measurement strategy for micro thermoelectric generator based on high-performance Si1−x−yGexSny film

open access: yesJournal of Materiomics, 2021
In this study, a micro in-plane p-type thermoelectric generator (TEG), which consists of thin-film Si1−x−yGexSny ternary alloy semiconductor on insulator, is developed to make efficient use of waste heat such as human body.
Ying Peng   +8 more
doaj   +1 more source

High Power Semiconductor Technology Status and Progresses

open access: yes机车电传动, 2021
The evolution of modern Si based high power semiconductor devices and recent progress of novel device structures,as well as the status of wide bandgap semiconductor materials and devices were presented in this paper.
Guoyou LIU   +5 more
doaj  

Parallel semiconductor device simulation: from power to 'atomistic' devices [PDF]

open access: yes, 1998
This paper discusses various aspects of the parallel simulation of semiconductor devices on mesh connected MIMD platforms with distributed memory and a message passing programming paradigm. We describe the spatial domain decomposition approach adopted in
Asenov, A., Brown, A.R., Roy, S.
core   +1 more source

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