BLOOMINGDALE, Ill. -- PCTEL, Inc. (NASDAQ: PCTI), a leader in propagation and optimization solutions for the wireless industry, announced today it will release third-quarter 2008 financial results after the market closes on Monday, October 27, 2008. An earnings conference call will follow the release at 5:15 p.m. ET. The...
The newest features offer both contemporary planning capabilities and timesaving operations, with specific emphasis on WiMAX network design. EUGENE, Ore. -- EDX Wireless, a leading provider of carrier-class RF planning tools, announced EDX SignalPro v7.0. This major version release of EDX's proven planning tool for wireless network design builds...
BLOOMINGDALE, Ill. -- PCTEL, Inc. (NASDAQ: PCTI), a leader in propagation and optimization solutions for the wireless industry, announced today it will release second-quarter 2008 financial results after the market closes on Thursday, July 24, 2008. An earnings conference call will follow the release at 5:15 p.m. ET. The...
Pure and Applied Chemistry Vol. 79, No 8, pp. 1463-1469, 2007 doi:10.1351/pac200779081463 Critically evaluated propagation rate coefficients, [k.sub.p], for free-radical polymerization of methacrylic acid, MAA, in aqueous solution are presented. The underlying [k.sub.p] values are from two independent sources, which both used the IUPAC-recommended technique of pulsed-laser-initiated...
Righteous Propagation: African Americans and the Politics of Destiny After Reconstruction. By Michele Mitchell. (Chapel Hill, N.C.: University of North Carolina Press, 2004. Pp. xxi, 388. $22.50.) This study makes vital contributions to the historiography of American sexuality and offers a provocative reinterpretation of...
The rise of Islamic extremism is examined in a new GAO report. The report evaluates what U.S. government agencies are doing to identify, monitor, and counter support and funding for the global propagation of Islamic extremism. It also takes a look at what the government and other...
Introduction The Declaration of Independence does not include the pursuit of fish as one of the unalienable rights of men to be secured by government, nor does the U.S. Constitution specify the regulation and preservation of the nation's fishery resources as an enumerated power of Congress. When those documents...
HELSINKI AFP ? The propagation of the Netsky.D Internet worm was tapering off, but the virulent bug was still generating millions of infected e-mails throughout the world, Internet security experts said. "It seems to have leveled out now, and it won't reach the high levels that we initially expected,"...
Airspan Networks Inc. (NASDAQ: AIRN) today announced that it has made its final selection of 3D ray-tracing propagation models for use in its Fixed and Mobile WiMAX network deployments.
A new type of broadband isolator, using coupled microstrip lines on a transversely magnetized gyrotropic substrate, is proposed in this article. The nonreciprocal coupling between two microstrip lines can be used to create an isolation mechanism. Based on this phenomenon, an isolator is designed at 20...
A proposal to improve the fire resistance of airliners has come under sharp criticism for not requiring all-around, 360? protection against burnthrough. In response to a Federal Aviation Administration FAA proposal to equip airliners with thermal/acoustic insulation capable of withstanding a more demanding test of heat and...
They study the survey propagation algorithm [18, 4, 3], which is an iterative technique that appears to be very effective in solving random k-SAT problems even with densities close to threshold. They first describe how any SAT formula can be associated with a novel family of Markov random fields MRFs,...
The paper applies some rigorous mathematical results obtained in the frame of micro local analysis to derive the exact propagation features of the high-frequency energy of randomly heterogeneous elastic structures. The theory shows that the energy observables satisfy transport equations, instead of the commonly assumed diffusion equations invoked in the...
An enrichment technique for accurately modeling two dimensional crack propagation within the framework of the finite element method is presented. The technique uses an enriched basis that spans the asymptotic dynamic crack-tip solution. The enrichment functions and their spatial derivatives are able to exactly reproduce the asymptotic displacement field and...
Sumitomo Forestry, a Japanese house manufacturer, has established a tree tissue culture technique that will enable the mass propagation of a valuable timber species, Shorea roxburghii, a species of the Dipterocarpaceae family. The technique, says the company, could ultimately lead to the regeneration of tropical rain forests. Dipterocarps are...
The Sept. 2 tragedy involved an MD-11; the airplane hit the water off the Halifax coastline about 18 minutes after the crew first reported "smoke in the cockpit" (see ASW, Sept. 14).Between 1993 and 1995, a number of incidents involving flame propagation on thermal acoustical insulation blankets have been reported....
The new tester for the measurement of the propagation delay times in high-speed IC logic by the use of multichannel sample converter is considered. The multichannel sample converter is a rather simple device with a small level of internal noise and was developed on the basis of peak detecting sample...
Introduction Implementation of radio LAN or wireless PCS in the UHF 300 MHz to 3 GHz bands inside buildings has sparked a large interest in understanding the propagation characteristics of radio signals within buildings. Many measurements for both single floor and multiple floor propagation have ...
Conducted EMI compliance is based on a single frequency measurement at the mains input of a power converter, using a Line Impedance Stabilization Network LISN. A measurement method based on a new probe is proposed with which the sources and propagation of noise can be measured. The characteristics of the...
Quasi-Optics in Radar Systems (*) Introduction Radar systems present exceptionally large range of design challenges for the microwave engineer, in that great variety of disciplines, including antennas, transmitters, signal processing and low noise receivers, are involved. Radar...
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