... Trang 2The Broadband ProblemTrang 3This page intentionally left blankTrang 4Broadband Problem Anatomy of a Market Failure and a Policy Dilemma Charles H Ferguson brookings institution press Washington, ... Library of Congress Cataloging-in-Publication data Ferguson, Charles H. The broadband problem : anatomy of a market failure and a policy dilemma / Charles H Ferguson. p cm. Includes bibliographical ... add to the woes of the industry and of the economy in general,local broadband usage remains far lower, and prices far higher, than opti-mal personal computer usage requires and data communications
Ngày tải lên: 03/06/2014, 00:55
... an image of a star as a ring or arc of light Some nice examples of gravitational lenses can be found at www.iam.ubc.ca/⬃newbury/lenses/glgallery.html The web page at http://imagine.gsfc.nasa.gov/docs/features/news/07nov97.html ... it actually falls. Room Near a Star Acceleration or Gravitational Pull Light Beam Bends Trang 6around an intervening star in any direction (360 degrees), gravitational lenses often pro-vide an ... “special purpose” (to be defined later), then several companies have probably written software that takes advantage of the special features of the computer We can purchase this software and use
Ngày tải lên: 10/08/2014, 01:22
Anatomy of a Robot Part 6 pot
... so a boot program will always exist and will not change The boot program can download and burn pro-gram flash That way, we have a minimal chance of corrupting the propro-gram to the extent that ... multiply and accumulate steps Each term in the equation is another MAC Generally, the remainder can be made arbitrarily small by carrying out more terms (making n larger) A tutorial on the Taylor ... time DRAM behaves the way it does for one primary reason: It only uses one transistor to store a bit It does this by taking advantage of some of the capacitance under the transistor A capacitor
Ngày tải lên: 10/08/2014, 01:22
Anatomy of a Robot Part 7 doc
... requir-ing a great deal of media data (audio or video) Cameras and other media devices connect together using thin, hot-patch serial cables Audio and video can be trans-ferred in real time, without ... will only address magnetic HD disks An HD is basically a spinning disk of magnetic material that can contain bits on its surface A read/write head glides over the surface and provides access to ... problem, and HDs probably do too ■ Error rates HDs do make errors Generally, the signals that are recorded are more than sufficient to allow a proper read of the data ■ Bad disk surface HDs also have
Ngày tải lên: 10/08/2014, 01:22
Anatomy of a Robot Part 9 pps
... significant number of API hooks to enable applications... specialized situations such as handheld systems and unattended robots Software interaction The software has a significant number of API ... CONTROL AND SOFTWARE 163 I Software interaction The software is unaware of power-saving measures, so no energy API is needed ENERGY AWARE This is a robot that incorporates one or two of the ... and the battery can contain 1.8 watt hours. We have a margin of about 2 to 1. That’s not too bad, hauling a robot the size of a 12-year-old boy up a long ladder with one battery. Clearly, to
Ngày tải lên: 10/08/2014, 01:22
Anatomy of a Robot Part 10 pdf
... from a distance This is save a characteristic, the straight the bacon can from the project crew of a daily The read translations of this text are now considerable at this pig-like Idiom rather ... bacon” of the project team someday Those reading translations of this text are now rather quite confused at this porcine idiom As an experiment, I have fed this paragraph to a computerized translator ... konfus As experiment I drew in this point to an automated translator and him from English to the German and to the back translated Before you regard a robot translator establishing, read Trang 9the
Ngày tải lên: 10/08/2014, 01:22
Anatomy of a Robot Part 11 pot
... real While you are a passenger, just imagine you are driving and pay-ing attention to the road Drive down the street past a long row of parked cars At a con-stant speed, pass one parked car each ... conservation and the con-servation of momentum Just as the human brain must act to turn a awkward person into a graceful athlete, so too a robot’s control system must run algorithms capable of streamlining ... Theorem We cannot capture the essence of a digitized signal without sampling it at a frequency twice that of the signal Stated another way, we must sample a signal twice as fast as the highest-frequency
Ngày tải lên: 10/08/2014, 01:22
Anatomy of a Robot Part 12 pptx
... filters are a mathemati-cal construct that can be realized in various physimathemati-cal ways We will discuss the mathe-matical structure first and the physical implementation much later in a separate ... low-pass filter, the calculations are simpler The gain is flat at a value of 1 and then drops off completely (in the ideal math equation) Taking advantage of the simplified filter shape, and with ... that runs computations for the antisinc compensation The result is a new compute block outputting a stream of D/A values at a rate faster than rate N The D/A will then run at a higher rate than
Ngày tải lên: 10/08/2014, 01:22
Anatomy of a Robot Part 13 pps
... and ran a pirate radio sta-tion out of a private house We broadcast as WRFI for about two years, playing the music we felt like playing and rebroadcasting the BBC as our newscast I was a DJ and ... involve a modification of one or more of these three parameters One or more of the parameters (A, v, or u) may take on one or more values based on the data As the data input, I, takes on one of n ... Data is recorded as pulses on tape and is read back at a later time A sequence of pulses can be constructed in many different ways Engineers have nat-urally come up with dozens of different ways
Ngày tải lên: 10/08/2014, 01:22
Anatomy of a Robot Part 14 docx
... unexpanded data as an input The state Trang 8machine creates the output data The state machine changes states depending on the flow of input data bits Each one and zero from the unexpanded data ... accumulated back a few cycles ■ Outputs data As the decoder state machine changes states, it triggers an exam-ination of the historical state change data If the historical data all makes sense, ... generally means that an extra amount of redundant data will be sent in one form or another Since extra data will be sent over the channel, and since the channel’s Eb/No value is already marginal,
Ngày tải lên: 10/08/2014, 01:22
Anatomy of a Robot Part 15 ppsx
... DATA ENCRYPTION STANDARD (DES) DES has won the backing of the government and is present in many commercial trans-actions today The calculation methods are fairly straightforward and chipsets are ... originally designed as a one-way system, many of the cable systems now have reverse channels capable of taking information from the homes back to the cable company The standard that most cable ... URLs Many computer soft-ware libraries contain subroutines to support secure communications If the data stream moves too fast for software encryption, hardware chips are available that can encrypt
Ngày tải lên: 10/08/2014, 01:22
Anatomy of a Robot Part 16 docx
... one small example of a trick that may help Consider a three-part robot with parts A, B, and C Also, assume all fasteners have some play that increases over time Let’s call the typical play T millimeters; ... shape and extrapolate the parame-ters Here’s one example. Suppose you want to know the compression strength of an L-shaped beam made of a specific type of plastic If the manufacturer has already ... to a fixed speed? Let’s assume the following: The bike chassis, without the wheels, has a mass of W1 Each wheel has a mass of W2 and has a radius of R The bike will accelerate to a speed of V
Ngày tải lên: 10/08/2014, 01:22
danielsson saltoglu-anatomy of a market crash - a market microstructure analysis of the turkish overnigh~0
... has a lifetime of one trading day Throughoutthe trading day market participants are trading an asset that onlyexchanges hands after trading ceases Since a one day repo today isnot the same asset ... day 234 (Dec 1) Statistical analysis of the dataand newspaper accounts of the crisis indicate that the buildup to the crisisstarts a few days earlier Effectively, we observe a structural break ... happens in a blink of an eye The 2000 Turkish crisisplayed out in the financial markets Arguably, individual trading strate-gies, and not macroeconomic fundamentals were the main direct cause of
Ngày tải lên: 31/10/2014, 11:24
Sách Anatomy of the dog
... namely, a cra-nial and caudal thoracic mammary gland complex, a cracra-nial and caudal abdominal mammary gland complex, and an inguinal mammary gland complex The mammae of the male are characterized ... (ramus) 60 Palmar metacarpal aa., vv and nn I – IV 61 Dorsal abaxial n of digit I (dorsal view)Palmar abaxial n of digit I (palmar view) 62 Dorsal carpal branch of the radial a and v 63 Dorsal ... at the level of the distal inter-phalangeal joints, the metacarpal (13) or metatarsal pad at the level of the metacarpophalangeal and metatarsophalangeal joints and the carpal pad (12) that
Ngày tải lên: 22/01/2018, 20:34
Jarsulic anatomy of a financial crisis; a real estate bubble, runaway credit markets, and regulatory failure (2010)
... 978–0–230–61568–7 Library of Congress Cataloging-in-Publication Data Jarsulic, Marc. Anatomy of a financial crisis : a real estate bubble, runaway credit markets, and regulatory failure / Marc Jarsulic. ... Trang 4Anatomy of a Financial CrisisA Real Estate Bubble, Runaway Credit Markets, and Regulatory Failure Marc Jarsulic Trang 5All rights reserved First published in 2010 by PALGRAVE MACMILLAN® ... 13Data are copyright © 2009 Standard & Poor’s, a division of T he McGraw-Hill Companies, Inc All rights reserved STANDARD & POOR’S and S&P are registered trade-marks of Standard &
Ngày tải lên: 29/03/2018, 13:37
The works anatomy of a city
... Korean Mountain Ash is a n a r r o w , small tree t h a t produces a Japanese Tree Lilac h a s a pyramidal shape and produces a white flower Bald Cypress has a pyramidal shape a n d can g r o ... infrastructure adjacent to a repair area These seemingly random colored markings on streets are actually part of a sophisticated repair language: different colors and shapes are used to indicate either ... orderly than at any time in New York's history The earliest roads, clustered in lower Manhattan, were narrow affairs—easily choked with the traffic of the day As Manhattan expanded northward, roads
Ngày tải lên: 29/09/2018, 11:44
The works anatomy of a city
... Korean Mountain Ash is a n a r r o w , small tree t h a t produces a Japanese Tree Lilac h a s a pyramidal shape and produces a white flower Bald Cypress has a pyramidal shape a n d can g r o ... infrastructure adjacent to a repair area These seemingly random colored markings on streets are actually part of a sophisticated repair language: different colors and shapes are used to indicate either ... orderly than at any time in New York's history The earliest roads, clustered in lower Manhattan, were narrow affairs—easily choked with the traffic of the day As Manhattan expanded northward, roads
Ngày tải lên: 05/10/2018, 11:43
The works anatomy of a city
... Korean Mountain Ash is a n a r r o w , small tree t h a t produces a Japanese Tree Lilac h a s a pyramidal shape and produces a white flower Bald Cypress has a pyramidal shape a n d can g r o ... infrastructure adjacent to a repair area These seemingly random colored markings on streets are actually part of a sophisticated repair language: different colors and shapes are used to indicate either ... orderly than at any time in New York's history The earliest roads, clustered in lower Manhattan, were narrow affairs—easily choked with the traffic of the day As Manhattan expanded northward, roads
Ngày tải lên: 14/12/2018, 09:09
02 the anatomy of a thriller
... reel back to the last images he could recall—cold and dark—walking alone across the Harvard campus to a Saturday-night lecture series That was two days ago?! A sharper panic now gripped him as he ... mustache, and gentle eyes that radiated a thoughtful calm beneath his overgrown eyebrows “What … happened?” Langdon managed “Did I have an accident?” The bearded man put a finger to his lips and ... reflection had disappeared, replaced by an illuminated skyline in the distance Amid a contour of spires and domes, a single regal facade dominated Langdon’s field of view The building was an imposing
Ngày tải lên: 09/11/2019, 10:24
Tài liệu Eye of a Dog ppt
... Gather your drawing pencils and prepare to add shading to Shadow’s eye. Shading refers to the various shades of gray (values) in a drawing that make drawings look three-dimensional. Values are ... included graphic design, and teaching recreational drawing and painting classes. As supervisor of her community’s recreational art department, Brenda hired and trained teachers, and designed ... honored with a commendation from the Royal Canadian Mounted Police, and in 1994, she was awarded a Certificate of Membership from “Forensic Artists International”. Her home-based art career included...
Ngày tải lên: 23/12/2013, 10:16
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