... ADCs Among various ADC architectures, flash ADC suits this purpose favorably because of its inherent parallel thus very fast structure and low signal latency Also, the large area overhead that ... voltage gain while achieving high speed, there are usually multiple stages of preamplifiers involved and each stage is interpolated and averaged at its output As a result of this powerful combination, ... comparator calibration technique and more importantly, its application to a low power and high speed flash ADC design 21 Chapter A Background Comparator Offset Calibration Technique Chapter A Background...
Ngày tải lên: 04/10/2015, 10:26
... at each end) T h e nonlinear coupling term was assumed to be small and was dropped A small amount of external viscous damping was assumed (that is, e, f = 1) Finally, t h e dimensionless parameter ... (2 5a) ai (a3 a2 — a4 ai) — a3 2a0 > e'ai - ee2d2 where Z is a matrix defined by the equivalence of equations (21) with (23) The characteristic equation of the system (21) is seen to be6 «o, ai, a2 , ... dimensionless spatial coordinate r/> = angle defined in Fig co = angular velocity of crank (l./sec) E = Young's modulus (psi) I = area moment of inertia about neutral axis (in ) A = cross-sectional area (in...
Ngày tải lên: 25/08/2016, 23:27
Tài liệu Experiences in Design and Implementation of a High Performance Transport Protocol doc
... stream! UDT – UDP-based Data Transfer Protocol • Application level transport protocol built above UDP • Reliable data delivery • End-to-end approach • Bi-directional • General transport API; ... Efficiency and Fairness Characteristics • Takes 7.5 seconds to reach 90% of the link capacity, independent of BDP • Satisfies max-min fairness if all the flows have the same end-to-end link capacity ... avoidance Overlapped IO Data scattering/gathering Speculation of next packet User Buffer Data Protocol Buffer Protocol Buffer New Data API • Socket-like API • Support overlapped IO • File transfer...
Ngày tải lên: 15/01/2014, 15:59
Báo cáo khoa học: Characterization of a high-affinity binding site for the pea albumin 1b entomotoxin in the weevil Sitophilus ppt
... 60%) and transferred on gamma counter tubes The radioactivity was counted on a gamma counter (Riastar, Packard Instrument, USA), and each point was the mean of triplicates Binding data were analyzed ... the 125I-labelled PA1b, calculated by the ratio of the radioactivity measured by gamma counting and the amount of peptide evaluated by absorbance at 210 nm during HPLC analysis, was about 942 ... quantified by the measurement of the peak area and referred to known quantities of pure peptides used as standards Biological material Labeling of the toxin Cereal weevils (S oryzae, zeamais and...
Ngày tải lên: 08/03/2014, 02:21
Báo cáo khoa học: "A High-Speed Large-Capacity Dictionary System" docx
... Type of Program for Mechanical Translation, Mechanical Translation 4.54-58 (1957) For the purposes of this paper, a machine word consists of 36 bits An abbreviated exposition of more than average ... dictionary, an appreciable amount of memory space to provide for additional ones, with only a small increase in look-up time can be made available by a device which involves “quasi-segmentation” of ... in the source language as analyzed in isolation but not necessarily as analyzed for an MT system.21 Examples for Russian as source language, where the target language is non-Slavic, would be...
Ngày tải lên: 16/03/2014, 19:20
Báo cáo " Research, design and fabrication of a high-power combiner using Wilkinson bridge of L-band " pptx
... showed that at 1030 MHz the amplifying coefficient reached high value, the input amplitude was set at -10dB and the output one was above 16dB The adjustment of current regime may increase the amplifying ... have also investigated the S11 factor of the power divider Wilkinson on network analyzer, the result was relatively similar to that of the simulink model Afterthat we have measured the characteristics ... Thanh, Nguyen Anh Tuan, Bach Gia Duong, Research, Design And Fabrication Of The 45W And The 200W, L-Band Power Amplifier Using The Modern Microstrip Technology For Application In The National...
Ngày tải lên: 22/03/2014, 11:20
báo cáo hóa học:" Establishment of an animal model of a pasteurized bone graft, with a preliminary analysis of muscle coverage or FGF-2 administration to the graft" potx
... size of the bone formation was also quantitatively measured in the lateral view using Alpha Ease FC software (Alpha Innotech, San Leandro, CA, USA) The area was calculated in relation with that ... by AS, TY and NT Tartrate-resistant acid phosphatase (TRAP) staining After radiographical examination, the femurs with the graft were decalcified with EDTA (ethylenediaminetetraacetic acid), and ... immediate reimplantation of resected bone J Craniomaxillofac Surg 1991, 19:31-39 Ehara S, Nishida J, Shiraishi H, Tamakawa Y: Pasteurized intercalary autogenous bone graft: radiographic and scintigraphic...
Ngày tải lên: 20/06/2014, 04:20
Báo cáo hóa học: " Linear Rashba Model of a Hydrogenic Donor Impurity in GaAs/GaAlAs Quantum Wells" potx
... -W/2 W/2 W Fig The Rashba parameter as a function of z The horizontal and vertical dashed lines indicate the value of a0 and the borderline of the QW, respectively Fig The change in spin-orbit ... splitting energy of a hydrogenic donor impurity in a GaAs=Ga0:65 Al0:35 As QW We take the effective mass parameters of [13] and the Rashba parameter a0 ¼ 10À12 eV m [14] The spin-orbit splitting energy ... jzj W; W aR ðzÞ ¼ ð3Þ for jzj [ W; where a0 is the maximum value of the Rashba spin-orbit effect at the side of the QW The Rashba parameter is a function of z and is dependent on the size of the...
Ngày tải lên: 22/06/2014, 01:20
Báo cáo hóa học: " A High-Speed Four-Transmitter Four-Receiver MIMO OFDM Testbed: Experimental Results and Analyses" doc
... complex gain is h = h + αζ, where the h is the real channel complex gain, α is a factor, and ζ is a complex Gaussian variable with zero mean and a variance of The relative channel inaccuracy is ... testbed also adopts a × configuration offering four times data rate compared to a SISO system and the 64 quadrature amplitude modulation (QAM) Finally, the actual peak data rate is 35 × × × 200/256 ... capacity roughly and the computation loads for calculating singular values are much less than the BLAST demodulation Approximately, the singular values can be acquired during the singular value...
Ngày tải lên: 22/06/2014, 23:20
Improving the performance of a high power, lead–acid battery with paste additives docx
... sulfate ions Researchers w15,16x have found that after a certain amount of the active material has reacted the remaining material becomes isolated and cannot react The amount of active material ... cell discharge was simulated Table gives the performance of this battery at a discharge rate of 18 Wrkg, approximately the 2-h rate The model predicts a discharge energy of 150 W h and a specific ... understanding the behavior of lead–acid batteries and can be used to develop new cell designs Once the plate and cell parameters are established, the model can predict the cell’s performance and allows...
Ngày tải lên: 05/07/2014, 20:21
Báo cáo khoa học: " Implications of a high-definition multileaf collimator (HD-MLC) on treatment planning techniques for stereotactic body radiation therapy (SBRT): a planning study" pdf
... DesRosiers C, Randall M: Extracranial stereotactic radioablation: Physical principles Acta Oncol 2003, 42:882-894 Nagata Y, Takayama K, Matsuo Y, Norihisa Y, Mizowaki T, Sakamoto T, Sakamoto M, Mitsumori ... Haedinger U: Stereotactic radiotherapy of primary liver cancer and hepatic metastases Acta Oncol 2006, 45:838-847 Schefter TE, Kavanagh BD, Timmerman RD, Cardenes HR, Baron A, Gaspar LE: A phase ... twelve beams were used to generate the IMRT and 3DCRT plans Beam angles were arranged in a practical manner according to tumor and critical organ location for the purpose of achieving maximal target...
Ngày tải lên: 09/08/2014, 10:20
Báo cáo y học: "Construction of a high-resolution genetic linkage map and comparative genome analysis for the reef-building coral Acropora millepora" ppt
... RE: MapChart: Software for the graphical presentation of linkage maps and QTLs J Hered 2002, 93:77-78 Fanarraga ML, Parraga M, Aloria K, del Mazo J, Avila J, Zabala JC: Regulated expression of ... several hundred PCR amplifications, we used the REPLI-g Mini kit (Qiagen) for whole-genome amplification of larval DNA samples For each larva, approximately 10 ng larval DNA was used as input DNA ... that Placozoa are basal relative to all other non-Bilaterian animals ([70], but see [71]) Whole genome analysis of placozoan T adhaerens shows that the placozoan genome has the lowest amount of...
Ngày tải lên: 09/08/2014, 20:20
Báo cáo y học: " Identification of a high incidence region for retroviral vector integration near exon 1 of the LMO2 locus" pot
... North Carolina, Chapel Hill, NC, USA) for providing pcDNA VSV-G, Dr H Sakai (Shinshu University, Nagano, Japan) for help with statistical analyses, and Dr T 10 Takeshita T, Asao H, Ohtani K, ... N, Kumaki S, Tanaka N, Munakata H, Nakamura M, Sugamura K: Cloning of the gamma chain of the human IL-2 receptor Science 1992, 257:379-382 Noguchi M, Yi H, Rosenblatt HM, Filipovich AH, Adelstein ... detected integrations per 15 PCR amplifications, as calculated by Poisson distribution analyses Each data set gave straight lines fitted by a linear approximation with a correlation coefficient...
Ngày tải lên: 12/08/2014, 23:22
Báo cáo khoa học: "The epidemiology of severe sepsis in England, Wales and Northern Ireland, 1996 to 2004: secondary analysis of a high quality clinical" pps
... frame and were unable to describe changes over time We present data from an analysis of a database arising from a national audit of patient outcomes from critical care units in England, Wales and ... for citation purposes) Case Mix Programme Database The Case Mix Programme Database is a high quality clinical database containing data on demographics, case mix, outcome and activity for admissions ... care for England, Wales and Northern Ireland and is co-ordinated by the Intensive Care National Audit & Research Centre (ICNARC) [13] Patient data are abstracted by trained data collectors according...
Ngày tải lên: 12/08/2014, 23:22
Báo cáo y học: "Formulas The pursuit of a high central venous oxygen saturation in sepsis: growing concern" pptx
... MM, Carlet JM, Bion J, Parker MM, Jaeschke R, Reinhart K, Angus DC, Brun-Buisson C, Beale R, Calandra T, Dhainaut JF, Gerlach H, Harvey M, Marini JJ, Marshall J, Ranieri M, Ramsay G, Sevransky ... Research Council-funded randomised controlled trial, the Australasian Resuscitation In Sepsis Evaluation (ARISE) This trial will randomize 1,500 patients and compare EGDT with standard care US ... exists? Is high lactate a marker of tissue hypoxia and ‘anaerobic metabolism’? The answer to this last question is an easy, emphatic ‘absolutely not’! [11-15] Should we pursue EGDT in septic patients?...
Ngày tải lên: 13/08/2014, 08:21
Báo cáo y học: "Causes of a high physiological dead space in critically ill patients" ppt
... cardiac output and, separately, acidosis This also means that a high cardiac output will reduce the dead space effect of shunt, as will alkalosis The clinical message is that observed Page of ... Critical Care Vol 12 No Wagner Figure changes in dead space may reflect changes in cardiac output or acid/base state rather than changes in the shunt itself In summary, the calculations of Niklason ... shunting on alveolar dead space Bull Eur Physiopathol Respir 1984, 20:513-519 Riley RL, Cournand A: ‘Ideal’ alveolar air and the analysis of ventilation/perfusion relationships in the lung J Appl Physiol...
Ngày tải lên: 13/08/2014, 11:22
Development and characterisation of a high performance distributed feedback fibre laser hydrophone
... hydrophones array though a finite element analysis based calculation procedure It also aims to arrive at a simplified analytical model of fluid filled towed arrays for flow noise predictions Field application ... chapter presents a miniature pressure compensated metal diaphragm based fibre laser hydrophone capable of measuring acoustic signals as small as sea state zero noise levels and a flat frequency response ... at the output of interferometer b ratio of amplitudes of first and second Bessel harmonics of the carrier signal C modulation depth c speed of sound Ceq equivalent damping coefficient D signal amplitude...
Ngày tải lên: 09/09/2015, 11:16
Realizing an AD+ model as a derived model of a premouse
... HOD analysis of AD+ models below LST (the largest ✓ is a Suslin cardinal) The translation is likely to generalize as long as HOD of an AD+ model is well understood A plausible conjecture is that ... there is a set of ordinals S, an ordinal and a formula such that x ✓ A $ L↵ [S, x] = [S, x] If is an ordinal and A ✓ ! , then A is determined if either of the two players has a winning strategy ... cardinals are overlapped by extenders Woodin’s derived model theorem plays a important role in analysis of premice with Woodin cardinals Models of determinacy appears when we reach Woodin cardinals...
Ngày tải lên: 09/09/2015, 17:54
Development and application of a high throughput assay for discovery of starch hydrolase inhibitors
... αglucosidase and α-amylase can significantly reduce the post-prandial increase in blood glucose after a meal, with starch as the major calorie intake The apparent advantage of the starch hydrolase ... complementary to acarbose 2.3.1 Acarbose Acarbose is a pseudo-tetrasaccharide, because of its structural similarity to typical tetrasaccharides It is bio-synthesized by Actinoplanes, a type of bacteria ... of starch involves saliva α-amylase, pancreatic αamylase, and the small intestinal brush border α-glucosidase, that is, maltaseamyloglucosidase and sucrase-isomaltase [19, 67] Determination of...
Ngày tải lên: 10/09/2015, 09:01
System on chip design of a high performance low power full hardware cabac encoder in h 264 AVC
... processing of BAD and BM (4) Solutions to Pipeline Hazards of CABAC Decoding A FPGA-based acceleration of critical decoding loop of context model access (CA) of 30 Chapter Review of Existing CABAC Designs ... value of bits is confirmed This coded bit output mechanism of binary arithmetic coding is adopted by CABAC of H.264/AVC 2.2 CABAC of H.264/AVC CABAC stands for Context-based Adaptive Binary Arithmetic ... range of applications and high compression capability 1.1 Overview of H.264/AVC Standard H.264/AVC was jointly developed by ITU-T and ISO/IEC, and gained rapid adoptions in a wide variety of applications,...
Ngày tải lên: 10/09/2015, 15:50