beware the performance of string concatenation

... function of the LQI of the link. The link cost is an estimate of the number of transmission attempts required for successful frame delivery in a link The path cost is the sum of the link costs of the ... considers the quality of the worst link of a path It does not explicitly take into account the other characteristics of the path, such as the hop count or the LQI of the rest of the links 4.9 PATH-DR ... used in many technologies The cost of a path is the sum of the ETX values of the links of the path Hence, the ETX metric aims to select the path with the smallest number of total link layer transmission

Ngày tải lên: 21/06/2014, 11:20

... on the length of the TCP connection in terms of number of hops for RPGM because of the strict movements of nodes On the other hand, for FRW and MAN, the higher the node speed, the higher the ... shows the values of all parameters used in the simulation The following metrics are computed to evaluate the impact of each mobility model on the performance of the Bypass-AODV as well as the original ... of introducing the new protocol (2) The goodput of the TCP is the number of sequenced bits that a TCP receiver receives per unit of time This measure will show the effectiveness of the routing protocol

Ngày tải lên: 21/06/2014, 11:20

... captures most of the data points, and −1 in the other half region The criterion followed therein consists of first mapping the data into F, and then separating the mapped points from the origin ... corresponding to the constrains The KKT conditions allow us to obtain the sphere center in the feature space, a=l i =1α i ϕ(x i), and then, the distance of the image of a given point x to the center ... is the number of support vectors (α i > 0) and l is the number of training samples The tuning set for adjusting the decision threshold consisted of the skin samples and the same amount of

Ngày tải lên: 21/06/2014, 20:20

... profile of the accesses between the hardware units, on the organization of the segments, and on the assignment of the units to the segments The idea in the present paper is to organize the component ... connectivity of the respective segment to the rest of the platform A balance between parallelism and complexity of the system is therefore to be found The success of an SB implementation depends on the ... one of the other segments, and (3) to the other one The data to be transferred is generated by a counter associated with each of the masters For a model of this system, see the upper part of Figure

Ngày tải lên: 21/06/2014, 20:20

... in the project, through the national coverage given to the formation of the cooperatives and their marketing ventures The direct involvement of farmers’ group has been one of the strengths of the ... demand The key outcomes for the project lie in the formation of four functioning farmers associations; the training of trainers and the delivery of training at village level; the improvement of farm ... 'Thinking of Asia' program i) Performance indicators will be the number of SOFRI, Cantho University, provincial staff trained in the 'train the trainers' workshops; the number of participants in the

Ngày tải lên: 22/06/2014, 13:20

... min-imize the volume of data sent over the air, content coding of the HTTP message body may be employed by the HTTP client in the WAP terminal, and either at the HTTP server or in the WAP Proxy ... bytes The IP packets captured from the live traffic by the node are first fragmented at link layer (LL) and then transmitted to the other node The received fragments are then defragmented in the ... compression is used as the basis for comparison purposes All other config-urations are evaluated by comparing the ATDiffs, which are the WATs of other configurations minus the WAT of uncom-pressed WAP

Ngày tải lên: 23/06/2014, 00:20

... output of ES batteries will increase an ES’s range Generally, the higher the energy density, the lower battery the application costs The battery cost is critical to the total ES cost The battery ... aimed to determine the effects of the different amounts of Na SO additive on the perfor-2 4 mance of the positive electrode at higher curing tures ) 858C Various amounts of Na SO2 4 additive, ... cell testing in all of the cell groups The cell capacity data shown in Table 2 are based on initial cell capacity The table includes the values of the capacity loss rate and the average delivered

Ngày tải lên: 05/07/2014, 21:20

... function of the number of weeks. Fig. 5 shows the dependencies of the number of week-cycles (giving the cycle life of the battery) on the content of phenolic groups in the lignin for both types of ... evolved on the negative plate [1]. Hence, the chemical stability of the expander is important for the cycle life of the battery. In a previous paper of ours, we studied the effect of the functional ... measured at the end of each week-cycle versus the number of week-cycles. Fig. 7 shows the dependencies of the U 30 00 voltage during the CCA test at the 10th week-cycle as a function of the phenolic

Ngày tải lên: 05/07/2014, 21:20

... the detection of concrete cracking The distance to the edge of the bearing plate from the centerline of the corresponding anchor shall be three times the diameter do of ... minimum of five an- chors using the weight and number of drops from Table 6.5 for partial expansion. For each anchor, measure the depth of the plug from the upper end of the anchor. Calculate the ... holding strength from the expansion of one or more sleeves or other elements against the sides of the drilled hole through the ap- plication of torque, which pulls the cone(s) into the expan- sion

Ngày tải lên: 24/10/2014, 21:58

... interested in the banks’ level of profitability and exposure to risk? 2 What are the principal components of ROE, and what does each of the these components measure? 3 Suppose a bank has an ROA of 0.80% ... changes 6-45 Trang 46Capital riskProbability of the value of the bank’s assets declining below the level of its total liabilities The probability of the bank’s long run survival 6-46 Trang 47Capital ... deviation or variance of net income 3. Standard deviation or variance of ROE & ROA The higher σ and σ2, the greater the overall risk Trang 27Credit riskThe probability that some of the financial

Ngày tải lên: 31/10/2014, 10:03

... crystallize The degree of crystallinity is dependent upon the size of the side groups and the regularity of the chain Increased crystallinity will enhance the mechanical properties of the polymer ... is the arrangement of substituents around the backbone, determines the degree of crystallinity Isotactic (R groups on the same side of the backbone) and syndiotactic (alternating R groups on the ... produce the desired characteristics For example, the strength of the carbon nanotubes can be used to increase the yield strength and tear resistance of the polymer while other unique properties of

Ngày tải lên: 14/11/2014, 12:32

... (WTO), the North American Free Trade Agreement (NAFTA) There is also the development of other trading blocks like the European Union (EU), the Association of South East Asian Nations (ASEAN), the ... LOGISTICS Up till the 1970's the focus of the producer was to get the product to the market This was first done through “unimodal transport” The development of containerization in the seventies and ... provided In general, they are based on published tariffs, which reflect the local market conditions, the quality of the service, and the management capacity of the service provider These considerations

Ngày tải lên: 24/11/2014, 00:35

... suggestions of objectives in evaluating the performance of public investments and the definition of performance mentioned by Pestieau (2009), in the present study the performance of public investments of ... the management yet Some people approach the performance of public investment in aspect of efficiency, some others approach the performance of public investment in aspect of effectiveness or the ... corporation and of the whole country In addition, HIFU is a pilot model of the public organization operating under the objective programs of the local The results from the evaluating performance of HIFU

Ngày tải lên: 26/05/2015, 08:45

... likelihood of moral hazard on the part of the entrepreneur self-An important stream of literature has investigated the impact of financial constraints on the initial performance of new firms, ... Furthermore, the amount of personal equity injected at the start has a strongly negative effect on the extent of capital constraints The probability of this effect decreases as the amount of ... entrepreneurial performance are current age and size of the firm Size of the firm is measured in both employment size (logarithm of total number of employees) and economic size (logarithm of total assets of

Ngày tải lên: 08/08/2015, 19:13

... from the solar radiation, the tank wall heats a thin vertical layer of water along the tank wall Part of this heat is then transferred by diffusion towards the core of the tank The water of the ... August and the theoretical results of [1] in June Figure 10 The time variation of solar radiation and stored energy of the present experimental study in August and the theoretical results of [1] ... difference of around 3% for the most of the day In both comparisons, the experimental study gives lower values for most hours of the day, which may be attributed to different kind of thermal losses...

Ngày tải lên: 05/09/2013, 15:28

... support the charities of the 14 companies‟ ranked bottom of the list less than 0.01% of the profits Looking at the other side of the coin, according to the research center on the management of Ashridge, ... indirectly, by the actions of the firm In the traditional view of the firm, the shareholders view, the shareholders or stockholders are the owners of the company, and the firm only addresses the needs ... out the survey, I also interviewed the director and chief accountant of the company on the CSR of the company The question is to play a close look at the financial situation of the company and the...

Ngày tải lên: 13/03/2014, 14:20

... Along the lines of the previous researches, they reported the negative influence of fund size on manager performance While digging deeper towards the origin of these diseconomies of scale, the ... and performance Then, when the significance of the relationship or the error limit was tested to accept or reject the hypothesis, the value was far higher than the minimum limit of 5% Thus; the ... checked the determinants of mutual fund performance using four factor models for the funds from 19 countries The major finding of the study explained that size of the funds did matter and the performance...

Ngày tải lên: 16/03/2014, 17:20

... product of its inputs The experiments measure the effect of varying the selectivity of the scans on the inputs to the join as follows (1) Varying the selectivity of the outer collection (v1) The ... Cardinality of the left input Cardinality of the right input Length of the predicate Type of the object Number of objects Extent of the database (e.g AtomicParts) Number of pages Size of a bucket ... varied here is the selectivities of the scans of the collections being joined, not the join selectivity itself, which is ratio of the number of tuples returned by a join to the size of the Cartesian...

Ngày tải lên: 17/03/2014, 00:20

... to the quantiles of the standard normal distribution The quality of the approximation depends on the values of the parameters N Y,, the number of rated entities with the same rating grade at the ... distribution The mean of this distribution, the probability of default of the benchmark, is estimated at ˆ ෈[0.0%, 0.1%] p (with an average of 0.04%) The other binomial parameter is the number of trials ... should therefore combine the variance of the ex-ante estimated probability of default of the rating source and that of the benchmark in one measure in order to conduct the backtesting The difference...

Ngày tải lên: 22/03/2014, 20:20

... on the PSSA It therefore has an ASA of 80 The school with the lowest level of student achievement across all tests has an average of 13% of its students achieving proficiency on the PSSA It therefore ... interpreted as measures of the performance of schools Achievement levels are a product not only of school performance, but also of a wide range of other forces that are outside the control of schools, including ... school performance This section describes the analyses RAND conducted with the aim of identifying the school’s contribution to student achievement, thereby measuring the performance of the school...

Ngày tải lên: 23/03/2014, 05:24