design and analysis of surface excavations

Ngày tải lên: 17/04/2014, 09:16

... here of fixed length (i.e., independent of the number of sensors in the BSN) and contains two new fields for specific energy-saving purposes, the modulation and coding scheme (MCS) and length of the ... Daly, A Chandrakasan, and W Dehaene, “Energy efficiency of the IEEE 802.15.4 standard in dense wireless microsensor networks: modeling and improvement perspectives,” in Proceedings of the IEEE Design ... essential for the understanding of the new energy-saving enhancements and energy-efficient theoretical analysis proposed in this paper The introduction of the Distributed Queuing Random Access Protocol...

Ngày tải lên: 21/06/2014, 11:20

... Lett (2008) 3:416–420 that the designed device can be utilized as SRAM and DRAM In this paper, the design and analysis procedure can be extended for other NEMS designs Acknowledgment The authors ... XO and XI are the configurations of the outer and inner tubes, respectively Then, the force applied on particle I can be derived as the first derivative of U with respect to the coordinates of ... outside surface of the nanotube, preventing their deposition on the inside of the nanotube In this configuration, the inner tube sits in a doublebottom electromagnetic potential well The depth of the...

Ngày tải lên: 22/06/2014, 01:20

... the contest has been designed and analyzes the general progress of the attacks during the two phases composing the contest itself DESIGN OF THE CONTEST The general form of the contest was conceived ... Thanks to this modification and to the growing advertisement of the contest, the number of participants and uploaded attacked images increased alot At the end of the first phase of the contest, 72074 ... following results: PSNR of the image Strawberry = 39.67 dB, PSNR of the image Wood Path = 39.65 dB, and the PSNR of the image Church = 38.45 dB By analyzing the hall of fame at the end of the first phase,...

Ngày tải lên: 22/06/2014, 19:20

... HCM Terminate (b) Proposed soft handoff procedure Figure 6: Soft handoff algorithm and procedure 4.2 Soft handoff One of the major benefits of a CDMA system is the ability of a mobile to communicate ... [29] K M Rege, S Nanda, C F Weaver, and W.-C Peng, Analysis of fade margins for soft and hard handoffs,” in Proceedings of the 6th IEEE International Symposium on Personal, Indoor and Mobile Radio ... Prsv grd , and Psum ho denote total number of received handoff calls, the number of blocked (dropped) handoff calls, the number of successful handoff users, total reserved guard power, and total...

Ngày tải lên: 22/06/2014, 22:20

... broadcast, wake-up, and traversal on the tree Broadcast will cost exactly n − messages, and the cost of wake-up and traversal will be twice that amount These costs are independent of m and thus not ... Costs The message costs of Flood+Reply, and thus of Shout, are simple to analyze As mentioned before, Flood+Reply consists of an execution of Flooding(Q) with the addition of a reply (either Yes ... depicted in Figure 2.14 composed of a chain of four nodes x, y, z, and w Let y and z be both initiators, and start the traversal by sending the T message to x and w, respectively Also in this...

Ngày tải lên: 12/08/2014, 16:21

... have just designed is shown in Figures 3.43, 3.44, and 3.45 Let us analyze the cost of the protocol How many candidates there can be in stage i? As each of them has a territory of size i and these ... two copies of G and remove from both of them the edge e; we then connect these two graphs G and G by adding two new edges e1 = (x , x ) and e2 = (y , y ), where x and x (respective y and y ) are ... messages regardless of the location and the number of the initiators Exercise 3.10.55 Show that the effect of rounding up α i does not affect the order of magnitude of the cost of Protocol MarkBorder...

Ngày tải lên: 12/08/2014, 16:21

... 5.4.6, and informs each yj of Q(j ); yj locally and directly evaluates Q(j ) and sends the result to x; and x computes the union of all the received items To understand the advantages of this ... OPERATIONS and Michael Rodeh [21] Nicola Santoro, Jeffrey Sidney, and Stuart Sidney designed Protocol RandomFlipSelect [19] Protocol RandomRandomSelect is due to Nicola Santoro, Michael Scheutzow, and ... on the estimation of the size of the output of a set operation and thus of the entire query The IDP structure for minimum-volume operations on distributed sets was designed and analyzed in this...

Ngày tải lên: 12/08/2014, 16:21

... the result If the result of AND is 1, all the entities have value and are in state minimum, and thus know the result If the result of AND MIN-FINDING AND ELECTION: WAITING AND GUESSING 367 is 0, ... interesting properties of the waiting function Computing AND and OR Consider the situation where every entity x has a Boolean value b(x) ∈ {0, 1}, and we need to compute the AND of all those values ... the number of bits by using pipeline For example, during every stage of protocol Stages and thus of protocol SynchStages, the information from each candidate must reach the neighboring candidate...

Ngày tải lên: 12/08/2014, 16:21

... entity), and we will treat both spontaneous events and the ringing of the alarm clocks as the same type of events and call them timeouts We represent by (x, M) the event of x receiving message M, and ... of Kn into three sets, A, B, and C, of size at least and at most f each; we then set the initial values of the entities in A to Ia , those in B to Ib , and those in C to Ic ; entities a, b, and ... computing AND or the OR of the input values of the nonfaulty entities, or the value of an elected leader In other words, consensus (fault tolerant or not) can be solved by solving any of a variety of...

Ngày tải lên: 12/08/2014, 16:21

... predicate (using and, ” “or,” and “p -of- q” connectors) on its outgoing links; examples of such predicates are as follows: “(two of l1 , l2 , l3 ) or ( l1 and l4 )” and “( l1 and l2 ) or ( l3 and l4 ),” ... part of the protocol obviously increases the overall complexity of the design An approach has thus been to detach the task of global termination detection from the rest of the protocol and to handle ... Chandra and Sam Toueg [8], to whom Exercise 7.10.25 is due; the proof that ⍀ is the weakest failure detector is due to Tushar Chandra, Vassos Hadzilacos, and Sam Toueg [7] The positive effect of...

Ngày tải lên: 12/08/2014, 16:21

... worst case, where k is the number of initiators and m is the number of links in the wait-for graph Prove the correctness and analyze the cost of your design Implement and throughly test your protocol ... worst case, where k is the number of initiators and m is the number of links in the wait-for graph Prove the correctness and analyze the cost of your design Implement and throughly test your protocol ... is the number of initiators and m is the number of links in the wait-for graph 538 DETECTING STABLE PROPERTIES Prove the correctness and analyze the cost of your design Implement and throughly...

Ngày tải lên: 12/08/2014, 16:21

... half-cycle of the load current, S1 and S2 are switched off As the inductive impedance of the load circuit tends to maintain the load current, C1 and C3 now support the current of S1, and C2 and C4 ... sequence of the inverter stage: S1 and S2 on; S1, S2, S3, and S4 on; S3 and S4 on; S1, S2, S3, and S4 on The paper does discuss the presence of ‘ringing’ due to the parasitic lead inductance and the ... where ρc and µc are the resistivity and permeability of the coil, and ρw and µw are those of the work piece, respectively To provide an efficient solution, the work coil is always made of copper,...

Ngày tải lên: 13/11/2014, 06:49

Ngày tải lên: 14/11/2014, 06:22

... thought of as running on some sort of idealized computer with an infinite random access memory and an unlimited word size Algorithm design is all about the mathematical theory behind the design of ... involve numerical data (the subject of courses on numerical analysis) , but often they involve discrete data This is where the topic of algorithm design and analysis is important Although the algorithms ... origin of e and v is the destination of e In undirected graphs u and v are the endpoints of the edge The edge e is incident (meaning that it touches) both u and v In a digraph, the number of edges...

Ngày tải lên: 24/12/2014, 19:58

... the frequency bandwidth of the transmitted signal could be narrowband, multiband or broadband, so that the rectenna should have the capability for narrowband, multiband, or broadband operation ... Photograph of the fabricated antenna with transition and matching circuit (b) Configuration of the transition and matching circuit part 53 Figure 3.5 Simulated and measured |S11| of the antenna ... position and orientation of the transmitting and the receiving antennas may vary and are not particularly specified This research work focuses on this type of WPT For the first feature of the third...

Ngày tải lên: 09/09/2015, 11:12

... less bias and lower variation For the space-filling design, the dispersion of the design points determines the characteristic and performance of the design Assuming the design Dn contains design ... estimation and experimental design still need further investigation for the heteroscedastic case 21 2.3 Review of Design of Experiment for Computer Simulation 2.3 Review of Design of Experiment ... the design and metamodeling methods for the Design and Analysis of Computer Experiments(DACE) for stochastic systems In this chapter, we first briefly introduce the background and development of...

Ngày tải lên: 09/09/2015, 17:52

... a thesis entitled Design and Analysis of Ultra-wide Band and Millimeter-wave Antennas ” by Zhang Yaqiong in partial fulfillment of the requirements for the degree of Doctor of Philosophy Dated: ... constraints and to increase performances for the same power consumption In this case, the challenge of co -design consists of finding the best tradeoff between the maximum power gain of the LNA and the ... In the second part of this thesis, various 60 GHz wideband antennas and arrays are designed A new wideband planar circularly polarized (CP) helical antenna array is designed and realized Moreover,...

Ngày tải lên: 10/09/2015, 15:49

... Mathematical Equivalence of Eq (5.5b) and Eq (5.6) 147 B.2 Proof of Lemma 5.1 148 B.2.1 Proof of Lemma 5.1 with Complex-valued Data 148 B.2.2 Proof of Lemma 5.1 with ... problem of finding a set of smallest eigenvalues and corresponding eigenvectors, and PCA is the problem of finding a set of largest eigenvalues and corresponding eigenvectors Stating in the language of ... algorithms are provided Development and analysis of subspace estimation algorithms require knowledge of linear algebra and matrix computations So we start with a short review of the essential mathematical...

Ngày tải lên: 14/09/2015, 08:44

... DESIGN AND ANALYSIS OF ALGORITHMS FOR SOLVING A CLASS OF ROUTING SHOP SCHEDULING PROBLEMS LIU SHUBIN (M.Eng NUS) A THESIS SUBMITTED FOR THE DEGREE OF DOCTOR OF PHILOSOPHY DEPARTMENT OF INDUSTRIAL ... Comparison of efficiency of dominance rules based on Strategy I 54 Table 3.5 Comparison of efficiency of dominance rules based on Strategy II 55 Table 3.6 Comparison of efficiency of dominance ... on the type of organization, e.g personnel, space and time in a restaurant, processing power of a server, machines and raw material in a manufacturing company and so on The objective of the scheduling...

Ngày tải lên: 14/09/2015, 14:07