... 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 ... pathcost metric which is computed as the sum of the link costs of the path Let φ(l) be an estimate of the LDR of a link l The link cost, denoted by C(l) of link l is defined as follows [4]: ⎧ ⎪7, ... 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
... of trapping sets neutralization based on learning Experimental results are given in Section In Section 6, we conclude the paper OVERVIEW OF LDPC CODES LDPC codes are a class of linear block codes ... j ≤ M In this case, the code is (p, q) regular LDPC code Otherwise, the code is considered irregular – Code girth: the minimum cycle length in the Tanner graph of the code The iterative message-passing ... a decoder convergence to a codeword other than the transmitted one and thus causes undetected decoder failure Table shows examples of percentages of the three error patterns for three LDPC codes...
Ngày tải lên: 21/06/2014, 23:20
Experimental study on the performance of a prism-shaped integrated collector-storage solar water heater
... 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 ... 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] in June ISSN ... the theoretical results of [1] in January Figure 12 The time variation of solar radiation and stored energy of the present experimental study and the theoretical results of [1] in January ISSN...
Ngày tải lên: 05/09/2013, 15:28
Indoor tests to investigate the effect of brine depth on the performance of solar still
... The objective of this work is to investigate the effect of brine depth on the productivity and efficiency of solar still under laboratory conditions Table shows a summary of some of the studies ... flux to the basin of the still The dimension of each one of the three heaters is 66×21.5 cm Each heater is manufactured by twisting a wire with resistance of 2.5 (Ω /m) on a piece of mica with thickness ... inflation of the mica as it becomes heated during the operation The three heaters were connected in series to supply a total current of 4.5 A, a voltage of 220 V and a total power flux of approximately...
Ngày tải lên: 05/09/2013, 16:10
Chapter-7-The tools of the trade
... mouse To the right of that are icons for the currently active windows The size expands and contracts depending on the number of different kinds of window active If you select one of these icons with ... that: what we’re doing here is feeding the output of a program into the input of another program That happens so often that there’s a special method of doing it, called pipes: $ ls -l | grep -rw-r ... changes texts Another divergence of concept between UNIX and Microsoft environments is that UNIX gives you a choice of editors in just about anything you Microsoft products frequently try to redefine...
Ngày tải lên: 16/10/2013, 16:15
Tài liệu Dive Into Python-Chapter 4. The Power Of Introspection ppt
... list of all the methods of a list Note that the returned list contains the names of the methods as strings, not the methods themselves d is a dictionary, so dir(d) returns a list of the names of ... will change in future versions of Python.) The Whole Python FAQ has examples of obfuscated one-liners using lambda 4.8 Putting It All Together The last line of code, the only one you haven't ... object of any type Here it works on a list which you've constructed in bits and pieces str also works on modules Note that the string representation of the module includes the pathname of the...
Ngày tải lên: 14/12/2013, 14:15
Chapter 11 the cost of capital
... next dollar of total new financing Is an increasing function of the level of total new financing The ‘break point’ is the level of total new financing at which the cost of one of the financing ... expected at the end of year Rs = Cost of ordinary share capital Copyright © 2011 of growth of Pearson Australia Group Pty Ltd) – Australia g = Constant rate PearsonGitman et (a division ofdividends / ... ease of calculation, availability of data and ease of adjustment for flotation costs when calculating the cost of new ordinary share capital Copyright © 2011 Pearson Australia (a division of Pearson...
Ngày tải lên: 16/12/2013, 14:57
CHAPTER 5 The Logic of Group Behavior In Business and Elsewhere
... payoff matrix represented the length of prison sentences, so the higher number represented lower payoffs 25 Of course, not everyone can receive this payoff 26 Jane would receive a lower payoff of ... forms of teams that are the subject of much business abuse, both in terms of the number of meetings held and in terms of what business people think of most meetings Indeed, business people often ... Kraft, “Profitability and Profit-Sharing,” Journal of Industrial Economics, vol 35 (no 2) December 1986, pp 113-130; Bion B Howard and Peter O Dietz, A Study of the Financial Significance of Profit...
Ngày tải lên: 17/12/2013, 15:18
Tài liệu Practical mod_perl-CHAPTER 15:Improving Performance Through Build Options pptx
... reader a feel of what code optimization is and how it can increase the efficiency of the generated object code • Using and Porting GNU CC for Version 2.8, by Richard Stallman (Free Software Foundation) ... compiled applications to take advantage of the benefits of your machine’s architecture Everything depends on the kind of compiler that you use, the kind of CPU(s) you use, and your OS For example, ... to gettimeofday(2) (or times(2), depending on your operating system) This is done so that the status report contains timing information For highest performance, set ExtendedStatus Off (which...
Ngày tải lên: 26/01/2014, 07:20
the importantce and effect of csr reporting on the performance of vietnam companies
... Secretary General of the United Nations (UN) Kofi Annan proposed at the World Economic Forum and May / 2000 was officially launched as a code of UN's handling of social responsibility of multinational ... important for operating of a company? Sub-problem 2: What is effect of CSR on the performance of Vietnam companies? Sub- problem 3: What are methods of effective implementation of CSR? 1.5.Reason ... 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, the management of 10 senior executives,...
Ngày tải lên: 13/03/2014, 14:20
Effect of Fund Size on the Performance of Mutual Funds Evidence from Iran pdf
... 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 of large ... ratios For more profound study of their performances, this research used some of the measures including turnover, liquidity, size and diversification of portfolios The results of the first hypothesis ... period of this study was five years which may not truly represent the performance of funds The performance of newly started funds may be over or under estimated due to short time span Most of the...
Ngày tải lên: 16/03/2014, 17:20
The Aesthetics of Generative Code docx
... by-product of the score) but that the code and the execution of the code need to be experienced in parallel This is both necessary and impossible for generative or autonomous systems Any sense of code s ... equally reductive to offer a synthesis of sense perception and the organising function in terms of the computer – emanating from the same legacy of an over-reliance on audio-visual codes If this is ... that lie behind the raw code that in themselves can sense or think nothing Poetry In the tradition of this line of thinking, Hegel elevated the ‘art of sound’ to the realm of the spiritual, and...
Ngày tải lên: 16/03/2014, 18:20
Plant physiology - Chapter 24 The Control of Flowering pdf
... SUPPRESSOR OF OVEREXPRESSION OF CONSTANS (SOC1) The Control of Flowering web site) As discussed in Chapter 14, mutations in the fruit fly, Drosophila, led to the identification of a set of homeotic ... expression of homeotic genes thus gives organs their identity As we have seen already in this chapter, dicot flowers consist of successive whorls of organs that form as a result of the activity of floral ... the acquisition of floral organ identity is based on the interactions of three different types of activities of floral homeotic genes: A, B, and C In the first whorl, expression of type A (AP2)...
Ngày tải lên: 16/03/2014, 22:20
Measuring and modelling the performance of a parallel ODMG compliant object database server potx
... of elements) Cardinality of a relationship times a factor based on the selectivity of the predicate Number of referenced objects Number of windows of input Size of a window of input (number of ... 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 ... of elements) Size of the hash table (number of buckets) Cardinality of a collection Number of attributes to be projected Size of a tuple (in bytes) Number of tuples Number of packets to be transmitted...
Ngày tải lên: 17/03/2014, 00:20
Báo cáo khoa học: "Estimating Upper and Lower Bounds on the Performance of Word-Sense Disambiguation Programs" docx
... datasets of tens of millions of words of parallel English and French text (e.g., the Canadian Hansards) By aligning the text as we have, we were able to collect a large set of examples of polysemous ... random sample of 97 words; 67 of them were unambiguous and therefore had a baseline performance of 100%) The remaining thirty words are listed along with the number of senses and baseline performance: ... establish a rough estimate of the upper and lower bounds on the level of performance that can be expected W e will estimate the lower bound by evaluating the performance of a straw man system, which...
Ngày tải lên: 17/03/2014, 08:20
THE PERFORMANCE OF CREDIT RATING SYSTEMS IN THE ASSESSMENT OF COLLATERAL USED IN EUROSYSTEM MONETARY POLICY OPERATIONS pot
... results in one of the main contributions of our work, i.e the statistical deduction of an ex ante benchmark of a single “A” rating grade in terms of probability of default The second aim of this paper ... system that could identify problems of calibration in a rating For an exposition of discriminatory power measures in the context of the assessment of performance of a rating source see, for example, ... simulations to study the impact of heterogeneous probabilities of default on confidence intervals The impact of a violation of the assumption of a uniform probability of default across all 10 ECB...
Ngày tải lên: 22/03/2014, 20:20
THE FIRST BANK OF THE UNITED STATES - A CHAPTER IN THE HISTORY OF CENTRAL BANKING pdf
... 2007 Stockholders of the Bank of the United States “Proceedings of the Stockholders of the Bank of the United States Preparatory to the Creation of a Trust for Closing the Concerns of That Institution,” ... member He was one of the authors of the “Federalist Papers,” of the Continental Congress, drafter essays often credited with contributing to the ratification of the Declaration of Independence, ... First Bank of the United States Image of William Duer from the New York Public Library Image of Thomas Willing from the Collections of the University of Pennsylvania Archives Image of Alexander...
Ngày tải lên: 22/03/2014, 21:20
Assessing the Performance of Public Schools in Pittsburgh docx
... 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 ... average of 80% of its students achieving proficiency 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 ... its students achieving proficiency on the PSSA It therefore has an 2-Dec-05 10 Performance of Public Schools in Pittsburgh RAND WR-315-1-EDU ASA of 13 The remainder of the schools in Pittsburgh...
Ngày tải lên: 23/03/2014, 05:24
Assessing The Performance Of Mortality Prediction Models pot
Ngày tải lên: 23/03/2014, 10:21