advances in fiber design and processing

... working on the function language in use and expression in these terms which during the preliminary research, I myself found prominent This causes readers certain difficulties in understanding and ... on: Pointing out the definition of web language, the process of designing web pages, classifying of static and dynamic website languages Collecting and presenting some commonly used WDT in English ... 49 4.4.2 Translation by paraphrasing using unrelated word 50 Trang 114.5 Addition and omission 51 CHAPTER III: MAIN FINDINGS 51 I Common Mistakes in understanding 52 II Some suggestions 52

Ngày tải lên: 11/12/2013, 23:48

... averaging in time and accounting for diversity and suppressing noise in spatial Trang 12diversity brunches Depending on amount of noise (SNR) and fading (fading figure (Simon& Alouini, 2000)) one ... detection Modulatedsignals are in general couple with sine wave carriers, pulse trains, repeating spreading,hopping sequences or cyclic prefixes, which result in built-in periodicity Kontorovich et ... better than the energydetector in discriminating against noise due to its robustness to the uncertainty in noise power.Nonetheless, it is computationally complex and requires significantly long

Ngày tải lên: 19/06/2014, 19:20

... minimizing the sum of inverse of SNRs, and a closed-form expression can be obtained Note that minimizing the sum of inverse of SNRsis similar to the maximization of the harmonic mean of the SINRs ... total power constraint and the following cost function, using again the Lagrangian multipliers method, is minimized, Now, setting the partial derivatives of J c,2 to zero and after some mathematical ... on minimizing the sum of inverse of SNRs In this case, the optimization problem is written as, Trang 10The objective function is convex in p b k l, , , and the constraint functions are linear,

Ngày tải lên: 19/06/2014, 19:20

... call intensity in UMTS cell ωn = 10, new call intensity in WLAN ρn = 10, vertical handoff intensity ρv = 5 Since the weight of handoff dropping is larger than both the weights of blocking calls in ... the relay and the destination can beobtained using training sequences and the CSI of the forward channels at the source and therelay can be obtained either using reciprocity of the links or feedback ... vertical handoffs, as shown in follows: It is easy to prove that blocking probability in WLAN is a monotonically increasing continuous function of δ, while blocking probability and dropping probability

Ngày tải lên: 19/06/2014, 19:20

... 244 Recent Advances in Wireless Communications and Networks Pollini G P ( 199 6) Trends in handover design,... explained in the previous section (see code line 10 in Fig 3) Then, ... Communications and Networks one data stream between source and destination endpoints Multistream SCTP includes multistreaming, and finally, multihomed SCTP incorporates multihoming The three ... MN preferences and handover policies. Finally, the handover is performed according to the IEEE 802.21 message exchange in the scheme of Figure 2. Finally, in order to determine the probability

Ngày tải lên: 19/06/2014, 19:20

... Socket initiation time in TCP and SCTP in two-file downloading Fig 8 Socket initiation time in TCP and SCTP in four-file downloading Trang 5On the Use of SCTP in Wireless Networks 263 Finally, ... Using SIP and SCTP for Multimedia Applications Proceedings of International Conference on Multimedia and Ubiquitous Engineering, pp 564-569 Trang 8Recent Advances in Wireless Communications and ... IEEE802.11/16 Links 3• Each terminal is equipped with IEEE802.11a/b-interfaces and IEEE802.16-interface, andcan communicate with base station by using each interface • IEEE802.11a/b-antennas and terminals

Ngày tải lên: 19/06/2014, 19:20

... distribute to11a-link brings low delay to IP because of wide bandwidth and few accommodated terminals in 11a, as mentioned in 5.2 In area-B, the packet collision and loss in 11b further increasebecause ... the increase in traffic, and the large number of retransmissions in MAC brings theincrease in delay to IP Furthermore, the packet loss in 11b brings the decrease in throughput to IP Each 16-link ... IEEE802.11/16 Links 29increases, the 11b-link load of M-route in 11b-coverage and outside 11a-coverage becomeshigh, then M-route including 11b-link needs to distribute packets to 11a-link or 16-link SL

Ngày tải lên: 19/06/2014, 19:20

... Architecture for Integrating Wireless Sensor Networks into the Internet of Things, Proceedings of 3rd Symposium of Ubiquitous Computing and Ambient Intelligence 2008, Springer Berlin/Heidelberg, ... sensing means of a CR, • Decide: represents all that implies some intelligence including learning, planning decisiontaking, • Adapt: reconfigures the radio, designed with SDR principles, in order ... (2001) Dynamic Fine-grained localization in Ad-Hoc Networks of Sensors Proceedings of 7th ACM Annual International Conference on Mobile Computing and Networking (MobiCom), pp 166-179 Kandris, D.;

Ngày tải lên: 19/06/2014, 19:20

... monitoring and inferring the mobile devices' context, and an object-oriented framework for instantiating customized application proxies Hua et al (2006) integrated content adaptation algorithm and ... devices to balance information loss and information availability For the rest of this chapter, we will review related work in Section 2 In Section 3, we describe the design principle and system architecture ... and content caching strategy for serving dynamic web content in a mobile computing environment They constructed a testbed to investigate the effectiveness of their design in improving web content

Ngày tải lên: 19/06/2014, 19:20

... capacitive discharge, plus the one produce in the ESR of the capacitor is: C ESR V Bearing mind the reasoning followed on the previous lines, and replacing Ec 5 and 12 in Ec 5, the capacitor discharge ... lower and cause, mainly, by switching losses Trang 7and the voltage drop in the active device over cut and saturation The power is delivered to the load through the energy store in an inductor, ... conversion, remains without answer the topic of switched or linear conversion The advantages and drawbacks of linear regulation versus switched regulation are exposed in the following lines 1) Linear regulation

Ngày tải lên: 19/06/2014, 19:20

... sensing units and the server A finite state machine consists of a set of states and definable transitions between the states (Tweed 1994) At any point in time, the state machine can only be in ... software are designed in tandem to allow seamless integration and coordination Wireless Sensor Network Server Structural Sensors Signal Conditioning Wireless Sensing Unit Wireless Sensing Unit Structural ... units in the sensor network The server is responsible for: 1) commanding all the corresponding wireless sensing units to perform data collection or interrogation tasks, 2) synchronizing the internal

Ngày tải lên: 19/06/2014, 19:20

... Harland and Wolff of Belfast Following short periods in Defence Consultancy in the UK, and teaching engineering in Hong Kong, he returned to the UK to pursue his interests in long-range engineering ... (Commissioning Editor) and Lou Attwood (Co-ordinating Editor) of Professional Engineering Publishing, Ltd, for their consideration, contributions and patience with the author in arriving at the near-final ... turbine engine system A modern engine for a modern fleet In International Gas Turbine and Aeroengine Congress and Exposition, Cincinnati, Ohio, 24-27 May 1993, ASME Paper 93-GT-231 Das, S.K and Roetzel,...

Ngày tải lên: 02/04/2014, 15:14

... binders) and C (4-wt.% YF3 + 3-wt.% CaF2 and 4.5-wt.% organic binders) sintered at 1750ºC for 2h after de-waxing in Air 228 Advances in Ceramics - Synthesis and Characterization, Processing and ... Backscattering images of the polished AlN samples (A, B, C, D, E, and F) after sintering at 1750°C for h Last Advances in Aqueous Processing of Aluminium Nitride (AlN) - A Review 221 grains, indicating ... achieved using pure AlN as the powder bed and a large amount of processing aids giving carbon residue during firing (Olhero et al., 2007) Conclusions According to the main findings reported in the...

Ngày tải lên: 29/06/2014, 13:20

... aggressive media, and various kinds of wear These are, first and foremost, cutting and stamping tools; forming rolls; parts in aviation engines, gas turbines, and compressors; slider bearings; nozzles ... the current and initial weights of the sample, K and n are the constant coefficients, and τ is the holding time 16 Advances in Ceramics - Synthesis and Characterization, Processing and Specific ... by determining the dihedral surface angle of defined compacts sintered in solid-phase under certain conditions The surface modification and properties induced by a laser beam in pressings of ceramic...

Ngày tải lên: 29/06/2014, 13:20

... parameters which satisfies Eq (5) and has infinite magnitude Finding all real solutions of Eq (5) – both finite and at infinity – has been thus reduced to determining all real finite solutions of Eq (6), ... Unfortunately, this kind of systems are very expensive, their J Lenar i and B Roth (eds.), Advances in Robot Kinematics, 3–14 © 2006 Springer Printed in the Netherlands 4 J Andrade-Cetto and F Thomas ... Bobrow and Park, 1995 and Martinez and Duffy, 1995 However, a metric that is independent of these choices, 33 J Lenarcic and B Roth (eds.), Advances in Robot Kinematics, 33 40 © 2006 Springer Printed...

Ngày tải lên: 13/02/2014, 09:20

... b-hexosaminidase content in SG+ ⁄ + cells at day 33 is set as 100% Results are expressed as means of triplicate determinations ± SD detected in SG– ⁄ – cells, indicating that pro-CPA processing into ... lack of SG also results in defective cathepsin E storage and that this, in turn, results in defective pro-CPA processing, leading to an accumulation of pro-CPA Next, we investigated the possibility ... and protein analysis (A) Total RNA was prepared from serglycin (SG)+ ⁄ + and SG– ⁄ – bone marrow-derived cells after different durations (days 0–33) of culture in medium containing interleukin...

Ngày tải lên: 07/03/2014, 11:20

... tract infections (RTI) Two studies have examined the effect in adults of a combined multi-strain probiotic and multivitamin/mineral supplement containing L gasseri, B longum and B bifidum on the incidence, ... help in influencing the growth of a favourable intestinal ecosystem, decreasing the quote of Clostridium, Bacillus and Bacteroides Fragilis and increasing the rate of bifidobacteria, also improving ... can alter the intestinal microflora and reduce the growth of pathogenic microorganisms in the intestines of preterm infants, decreasing the incidence of necrotizing enterocolitis and sepsis Moreover,...

Ngày tải lên: 07/03/2014, 20:20

... collecting new contributions in this area of research and science The scien tific production in the field is, in fact, rapidly growing and updating, mainly on the fronts of new and original applications ... (-TCP, alumina and composites) The sintering temperature of the initial powder began at about 900C and at about 1400C for the -TCP and alumina (Figure 4a-b and Table 2) The sintering temperature ... temperatures (1500C, 1550C and 1600C) for different sintering times (0 min, 30 min, 60 and 90 min) The optimum value of the rupture strength was indeed obtained after an hour-long sintering process at 1600C...

Ngày tải lên: 17/03/2014, 02:20

... adopted in evaluating health promoting school initiatives In Finland, a clear commitment was adopted to a collaborative model both in developing and evaluating the impact of innovation in schools – ... health and wellbeing of those who live or work or receive care there It involves integrating health promotion into all aspects of the setting and including within its remit all those who come into ... provide three kinds of skill: individual skills; ‘dyadic’ social interaction skills (‘me and you’) and skills that helped individuals interact in groups While ‘me and you’ and ‘me and others’ skills,...

Ngày tải lên: 22/03/2014, 15:20