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292 Results for 'Information Technology'
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Technology
Database Engine for Faster Analytics
Given the ever increasing amount of “big data” available, new analysis and processing tools are needed to fully leverage it. Big data is challenging to manage, requiring sophisticated mechanisms a...
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Jignesh Patel, Yinan Li | P140266US01
Technology
Managing Memory in Virtualized Computer Systems
Computer programs access memory using virtual addresses, which are translated by hardware into unique physical addresses that locate the data in the cache or memory. The set of virtual addresses acces...
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Mark Hill, Michael Swift, Jayneel Gandhi | P150108US01
Technology
Method Predicts Porting Speedup
High-performance computers may employ two processor systems having very different architectures, such as a CPU (computer processing unit) and a GPU (graphic processing unit). The ability of a GPU to h...
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Karthikeyan Sankaralingam, Newsha Ardalani, Xiaojin (Jerry) Zhu | P140165US01
Technology
Measuring Lignin in Corn Stalks
The lignin in corn stalks makes it difficult to process for biomass and harder for animals to digest. Levels are especially high in the tough outer ‘rind’ and vascular bundles of the stem.For this...
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Edgar Spalding, Sven Heckwolf | P140381US01
Technology
Predicting Protein Hot Spot Residues
Most biological processes involve multiple proteins interacting with each other. While the principles governing protein-protein interactions are not fully understood, it is known that a small subset o...
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Julie Mitchell, Xiaolei Zhu, Steven Darnell | P140357US01
Technology
Ultrawide Band, Low-Profile ‘Stacked’ Antenna System
High frequency (HF), very high frequency (VHF) and ultrahigh frequency (UHF) bands have long been used for many different communication systems, particularly in military applications. Standard monopol...
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Nader Behdad, Kasra Ghaemi | P140308US01
Technology
Energy-Efficient Parallel Processing
In a multicore processor, the different cores share a common clock timing and operate at a synchronized frequency. Such processors are fast because their cores can work in parallel to execute differen...
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Nam Sung Kim | P140039US01
Technology
Qubit Measurement System Is Efficient, Scalable
In the field of quantum computing, the performance of quantum bits (‘qubits’) has advanced rapidly in recent years. A truly scalable system requires the ability to rapidly and accurately measure q...
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Robert McDermott, Frank Wilhelm-Mauch, Britton Plourde, Maxim Vavilov, Luke Govia, Emily Pritchett | P140246US01
Technology
Improved Gate Design for Quantum Computers
Some extremely complex tasks – like sorting very large databases or factoring large numbers – are challenging for classical computers. Quantum computers can solve such problems because they use qu...
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Mark Eriksson, John Gamble, Daniel Ward, Susan Coppersmith, Mark Friesen | P130184US02
Technology
Predicting Computer Memory Failure
It is widely accepted that future processor technology will suffer from some degree of failure due to core aging. This failure leads to device faults. Anticipating faults before they occur can help th...
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Karthikeyan Sankaralingam, Amir Yazdanbakhsh, Raghuraman Balasubramanian, Anthony Nowatzki | P150070US01
Technology
Computer Accelerator System Boosts Efficiency
Hardware accelerators improve computer performance by allowing the main processor to off-load certain tasks, for example, processing floating-point or graphics calculations. The accelerator is designe...
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Karthikeyan Sankaralingam, Chen-Han Ho, Sung Kim | P140164US01
Technology
Managing Computer Power and Performance
Energy consumption is a major constraint in computer design because of factors like power costs, operating life and heat. The tradeoff between energy consumption and performance is managed to some deg...
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David Wood, Rathijit Sen | P140071US01
Technology
More Efficient Semiconductor Lasers
Quantum cascade lasers (QCLs) are semiconductor lasers that provide light in the mid- and far-infrared wavelength ranges. They are designed so that the generated light is transverse-magnetic (TM) pola...
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Luke Mawst, Dan Botez, Thomas Earles, Jeremy Kirch, Christopher Sigler | P140047US01
Technology
Statistical Imaging Reconstruction Is Faster, Cuts Noise
In recent years, statistical imaging reconstruction has been introduced in clinics by different computed tomography (CT) manufacturers as a means to reduce radiation dose levels. Essentially, the meth...
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Guang-Hong Chen, Jie Tang | P130341US01
Technology
More Accurate Branch Predictor Circuit
A branch predictor is a digital circuit that attempts to direct traffic in an instruction stream. Branching is usually implemented with a conditional jump instruction, and branches may be ‘taken’ ...
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Mikko Lipasti, Dibakar Gope | P140330US01
Technology
Enhanced Traveling Wave Tube
A traveling wave tube (TWT) is a vacuum electronic device that acts as a microwave amplifier capable of providing high gain and high output power. TWTs are used in many wireless devices like radar sys...
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Nader Behdad, Arash Rashidi Tarhani | P140188US01
Technology
Predicting Logic Gate Failure
Logic gates are the building blocks of integrated circuits. They use multiple transistors to receive and interpret voltage inputs, then provide outputs.
Future generations of integrated circuit micr...
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Karthikeyan Sankaralingam, Raghuraman Balasubramanian | P130365US01
Technology
More Efficient Processing with Self-Invalidating IOMMU Mapping
In a computer, an input-output memory management unit (IOMMU) may be positioned between the physical memory and I/O devices such as disk drives. The IOMMU provides the I/O devices with virtual address...
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Michael Swift, Mark Hill, Arkaprava Basu | P140029US01
Technology
Maximizing Multicore Processor Performance
Computer processors typically include a number of central processing unit (CPU) cores for executing instructions. Each core is capable of reading and executing a sequence of instruction code, or ‘th...
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Nam Sung Kim | P130137US01
Technology
Optimizing Parallelism During Run-Time
Executing different portions of a program in parallel on different processors is known as parallelism. While this can boost how fast a program is executed, increased parallelism is not always benefici...
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Gurindar Sohi, Srinath Sridharan | P130131US01
Technology
Dynamic Predictor Improves Machine Control
Articulated mechanisms, such as walking robots or robotic arms, can be understood as a set of rigid links connected to each other by joints. The joints are put into motion using motors, sensors that i...
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Paul Milenkovic | P130307US01
Technology
Statistical Noise Map for Reducing X-Ray Exposure
Iterative image reconstruction techniques can be used to produce high quality tomographic images from noise-contaminated data. It is known that a statistical weight is critical for great image quality...
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Guang-Hong Chen, Jie Tang | P130056US01
Technology
Low-Profile, Ultrawide Band Antenna
Monopole antennas are a type of radio antenna consisting of a straight, rod-shaped conductor often mounted perpendicularly over a conductive surface (a ‘ground plane’) such as the earth. This type...
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Nader Behdad, Seyed Mohamad Amin Momeni Hasan Abadi | P130215US01
Technology
Bedside Diagnosis of Swallowing Disorders
Approximately 15 million Americans suffer from a swallowing disorder (dysphagia). People with acid reflux, a neurological disorder or cancer of the head and neck are particularly at risk. The leading ...
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Matthew Hoffman, Jack Jiang, Timothy McCulloch, Zhixian Geng | P130237US01
Technology
More Efficient High-Speed Data Packet Classification
In contrast to random access memory (RAM), content addressable memories (CAMs) allow data to be located simply by knowing the desired data value. CAM memory receives the desired value and then returns...
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Suman Banerjee, Yadi Ma | P130240US01