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Displaying 25901 - 25925 of 73969

How to Model a TCP/IP Network Using Only 20 Parameters

December 5, 2010
Author(s)
Kevin L. Mills, Edward J. Schwartz, Jian Yuan
Most simulation models for data communication networks encompass hundreds of parameters that can each take on millions of values. Such models are difficult to understand, parameterize and investigate. This paper explains how to model a modern data

Precise Throughput Determination of the PanSTARRS Telescope and the Gigapixel Imager using a Calibrated Silicon Photodiode and a Tunable Laser: Initial Results

December 2, 2010
Author(s)
Christopher W. Stubbs, Peter Doherty, Claire Cramer, Gautham Narayan, Yorke Brown, Ned Henry, Keith R. Lykke, John T. Woodward IV, John L. Tinry
We have used a precision calibrated photodiode as the fundamental metrology reference in order to determine the relative throughput of the PanSTARRS telescope and the Gigapixel imager, from 400 nm to 1050 nm. Our technique uses a tunable laser as a source

A Framework of Product and Process Metrics for Sustainable Manufacturing

December 1, 2010
Author(s)
T. Lu, A. Gupta, A. D. Jayal, F. Badurdeen, Shaw C. Feng, O. W. Dillon, I. S. Jawahir
This paper presents a framework for developing comprehensive product and process metrics for sustainable manufacturing, using machined products and machining processes examples, and addressing all three aspects of the triple bottom line environment

Analysis of Uncertainties in Stray-Light Correction

December 1, 2010
Author(s)
Yuqin Zong
Measurement errors arising from stray light within a spectroradiometer are often the dominant source of uncertainty and are difficult to reduce. However, the stray-light errors can be corrected by using a stray-light correction matrix that is derived from

Characterization of high-purity, pulsed squeezed light at telecom wavelengths from pp-KTP for quantum information applications

December 1, 2010
Author(s)
Thomas Gerrits, Burm Baek, Martin J. Stevens, Brice R. Calkins, Adriana E. Lita, Scott C. Glancy, Emanuel H. Knill, Sae Woo Nam, Richard P. Mirin, Robert Hadfield, Ryan Bennink, Warren Grice, Sander N. Dorenbos, Tony Zijlstra, Teun Klapwijk, Val Zwiller
Pure optical squeezing in a single mode is highly desirable for quantum information applications such as continuous variable quantum computing and the generation of optical Schrödinger cat states. To generate optical cat states, photons are subtracted from

Derivation of Isosceles Trapezoidal Distribution

December 1, 2010
Author(s)
Raghu N. Kacker, James F. Lawrence
It is known that, if the mid-point of a rectangular distribution is specified, the half-width is inexactly known, and the state of knowledge about the half-width may be represented by a narrower rectangular distribution then the resulting distribution

Designing Sustainable Products, Services and Manufacturing Systems

December 1, 2010
Author(s)
Amaresh Chakrabarti, Sudarsan Rachuri, Prabir Sarkar, Srinivas Kota
This book is based on an anthology of papers from experts from the United States and India, along with a summary of focused discussions and suggestions in several areas of critical importance within the broad topic of sustainability in development of

From the Editor's Desk: A Little Friendly Competition

December 1, 2010
Author(s)
Catherine A. Remley
This is an Editorial for the December, 2010 issue of IEEE Microwave Magazine. Kate Remley, the Editor-in-Chief, writes about timely topics for the members of the Microwave Theory and Techniques Society (MTT-S).

MEASUREMENT OF WEIGHTED LED RADIANCE RELATED TO PHOTOBIOLOGICAL SAFETY

December 1, 2010
Author(s)
Tongsheng Mou, Yuqin Zong, Yoshi Ohno
Optical radiation safety of light-emitting diode (LED) products is being addressed in the International Electrotechnical Commission (IEC) standard document 62471-2006. Measurement of weighted radiance of LEDs, used to assess the maximal exposure related to

Modeling Smoldering Fires using the Computer Model CONTAM

December 1, 2010
Author(s)
William D. Davis
The computer model CONTAM was used to simulate the spread of smoke in a house with a working furnace during smoldering fires. Three smoldering experiments from a study on detector sensitivity and siting requirements conducted in 1975 using a two story

SANS from Pluronic P85 in d-water

December 1, 2010
Author(s)
Boualem Hammouda
Small-angle neutron scattering (SANS) has been used to investigate pluronic P85 (EO 26PO 40EO 26) copolymer in deuterated water. A range of P85 fractions were measured for a wide sample temperature window. A rich phase behavior is reported. Unimers were
Displaying 25901 - 25925 of 73969
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