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- Microwaves from silicon chips?
- X-rays are widely used for medical imaging and security, but they still are dangerous. Would it be possible to replace X-rays by an imaging technology based on microwave radiation? Until now, it was not feasible because portable devices were not powerful enough. Now, two U.S. scientists have found how to...
- Tags: Microwave, Signal, Silicon Chip, Capacitor, Chip, Lattice, X-rays, Ehsan Afshari, Semiconductors, Network Technology, Document Management, Telecom & Utilities, Hardware, Networking, Enterprise Software, Software, Finance, Managerial Accounting, Roland Piquepaille
- Blog posts 2008-05-30
- Syllable Lattice Based Re-Scoring for Speaker Verification
- The Gaussian mixture based GMM-UBM approaches have shown good performance in speaker verification without using contextual information. This paper exploits the information provided in the arcs of a decoded syllable lattice for speaker verification. The forward algorithm is used to summarize this information in the syllable lattice instead of the...
- Tags: Algorithm, Performance, Lattice, Speaker Verification, Engineering, Performance Management, Human Resources, Workforce Management
- White papers 2006-04-19
- Maximum Entropy Based Normalization of Word Posteriors for Phonetic and LVCSR Lattice Search
- In many keyword-spotting systems, the word posterior probability is an elementary quantity. In theory, the posterior of a keyword match denotes the probability of the match being correct. However, posteriors estimated on lattices, in particular phoneme lattices, are often off by orders of magnitude. This paper investigates the problem of...
- Tags: Lattice, Microsoft Word, Word Processors, Microsoft Office, Office Suites, Software
- White papers 2006-04-19
- Even metals can lose weight
- Engineers at the University of Liverpool are using a new manufacturing process to turn steel, titanium and other metals into light customized components. This technology, based on selective laser melting SLM, allows to assemble parts with lattice-like structures. These components are 50% lighter as those built with conventional processes even...
- Tags: EPSRC, selective laser melting
- Blog posts 2005-12-13
- Space Frequency Codes From Spherical Codes
- A new design method for high rate, fully diverse ('Spherical') space frequency codes for MIMO-OFDM systems is proposed, which works for arbitrary numbers of antennas and subcarriers. The construction exploits a differential geometric connection between spherical codes and space time codes. The former are well studied e.g. in the context...
- Tags: Algorithm, Construction, Lattice, Engineering
- White papers 2005-08-03
- Lattice Codes and Generalized Minimum Distance Decoding for OFDM Systems
- Lattice coding of orthogonal frequency division multiplexing OFDM systems is considered. Mapping of multilevel construction lattices to OFDM blocks is shown, and a methodology for probabilistic analysis of multistage generalized minimum distance GMD decoding of the received OFDM blocks is derived. As a case study transmission of points from a...
- Tags: Lattice, OFDM, Wireless
- White papers 2005-03-09
Additional Resources
- Sudoku Mania Pro (prc)
- Join to billions fans of Sudoku! Solve the mystery of the number grid with reasoning and patience no math required. The Sudoku board is a lattice consists of nine columns and nine rows and is divided into nine 3x3 boxes. Some squares have initial numbers (from 1 to 9) in...
- Tags: Row, Square, PDArt, Sudoku Board, Corporate Governance, Business Operations, Corporate Law
- Software downloads 2008-03-21
- Protein+nanotech+in+next+gen+storage
- Protein+nanotech+in+next+gen+storageviruses?Perhaps too far in advance for any testing, but I wonder if this places a new spin on the term "computer virus". Imagine somehow "infecting" a hard drive with a pathogen which feeds on proteins. Your machine would no longer need to be turned on to be destroyed. Plus, the...
- Tags: Advertising & Promotion, SECURITY, protein, storage, media, attack, hard drive
- Discussion threads 2008-02-14
- Snowflakes or 3-D snowfakes?
- Snowflakes have been puzzling mathematicians for about four centuries. Still, scientists have never been able to fully explain snowflake shapes. For example, is this true that their six-pointed structure reflect an underlying crystal structure? Now, two U.S. mathematicians have developed software that simulates 3-D snowflakes. And they discovered that even...
- Tags: 3D, Researcher, Image, Computer, Molecule, Productivity, Roland Piquepaille
- Blog posts 2008-01-21
- Alliances represent new Microsoft direction
- Alliances represent new Microsoft directionGreat marketingThis way, Microsoft gets to be the "face" that the end-users see.It's not fundamentally different from the arrangement that they made with Lattice for C compilers back in the day: when MS came out with their own, nobody knew or cared who Lattice had been.M$...
- Tags: Strategy, alliance, Microsoft Corp.
- Discussion threads 2008-01-07
- Foams with good memory for space applications
- The U.S. National Science Foundation NSF has recently reported that two research teams have developed a new porous foam of an alloy that changes shape when exposed to a magnetic field. The NSF states that this new material is able to remember its original shape after it's been deformed by...
- Tags: National Science Foundation, Foam, Memory, Material, Team Management, Nanotechnology, Management, Emerging Technologies, Roland Piquepaille
- Blog posts 2008-01-01
- Graphene-based transistors on the way?
- The idea of replacing silicon with carbon to make computer chips is not new. However, using graphene -- a single layer of carbon atoms arranged in a honeycomb lattice -- wasn't feasible because it is not possible today to make wafers as big as ones made from silicon. But two...
- Tags: Technique, Researcher, Stamp, Transistor, Semiconductors, Productivity, Hardware, Roland Piquepaille
- Blog posts 2007-12-19
- Building 3-D particles with light
- Engineers at the Massachusetts Institute of Technology MIT have used ultraviolet light to create mass-producing 3-D microparticles that could be used for medical diagnostics and tissue engineering. 'For example, they could be designed to act as probes to detect certain molecules, such as DNA, or to release drugs or nutrients.'...
- Tags: 3D, Massachusetts Institute Of Technology, Particle, Biotechnology, Roland Piquepaille
- Blog posts 2007-12-04
- Who is afraid of the GGG?
- Who is afraid of the GGG?Like trying to make a fish ride a bicycleThe semantic web is basically predicate logic just like its close cousin the RDBMS.Trying to do predicate logic with XML is like trying to make a fish ride a bicycle.Not sure about this graph businessI simply don't...
- Tags: Ity, GGG, Semantic Web
- Discussion threads 2007-11-28
- New nanotechnology fabrication techniques
- A recent American Chemical Society's Weekly PressPac briefly describes an important advance toward industrial-scale production of nanodevices (scroll down to item #4). With this new technique, 'zinc oxide nanowires are grown in the exact positions where nanodevices later will be fabricated, in a way that involves a minimum number of...
- Tags: Technique, Method, American Chemical Society, Nanotechnology, NIST, NW, Productivity, Roland Piquepaille
- Blog posts 2007-11-13
- A one-atom thick billiard table
- A team of physicists at the University of California at Riverside UCR have found that graphene, which was isolated experimentally only less than three years ago, and which is a one-atom thick sheet of carbon atoms arranged in hexagonal rings, can act as an atomic-scale billiard table. They found that...
- Tags: Electron, Quantum, Transistor, Electronics, Carbon Atom, Roland Piquepaille
- Blog posts 2007-09-15
- Polymer opal films are not for rings
- British and German researchers have developed a new type of flexible plastic film. These 'polymer opal films' can change colors under certain conditions. For example, they could easily help you to see if some kind of perishable food items are not good anymore because the packaging would change color. They...
- Tags: Science &, Nature, Nanotechnology, Engineering &, Innovation
- Blog posts 2007-07-28
- Microsoft headed for a services show-down with its hosting partners
- Microsoft headed for a services show-down with its hosting partnersGlad we didn'tWhen SharePoint first came on the scene one of my clients was very interested in providing hosting services for it. At the time I suggested that one of two things would happen. A.) Not enough people would...
- Tags: Business structures, Microsoft Corp., partnership
- Discussion threads 2007-06-18
- Diamond-based quantum computing
- Quantum computing is usually associated with extremely low temperatures. Now, physicists at Harvard University have shown that diamonds can be used to create stable quantum computing building blocks at room temperature. A nitrogen vacancy in diamond could lead to quantum registers able to store or retrieve data. One of the...
- Tags: Science &, Nature, Engineering &, Innovation, Computers &, Internet
- Blog posts 2007-06-01
- Memory storage for light-based computers
- In a brief article, Japanese scientists cage light, The Register reports that scientists working for NTT have used photonic crystals to trap light by over one nanosecond. In fact, light was trapped inside a wavelength-sized micro-cavity, delaying its transmission. So the apparent speed of light was reduced by a factor...
- Tags: Semiconductors, storage, computer, NTT Corp., photonic crystal
- Blog posts 2006-12-26
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