... due to the fact that RS codes need smaller code length N (at the symbol level) to achieve a given code rate, in contrast to binary BCH codes Considering again the previous example, only 31×2 decoders ... product code obtained from with two identical (N, K) component codes over GF(2m ) For 2m -ary RS codes, m > whereas m = for binary BCH codes 10−8 10−10 10 11 12 13 14 15 Q-factor (dB) Uncoded OOK ... block lengths (>60000 coded bits) are required to achieve high code rates (R > 0.9) On the other hand, RS product codes can achieve the same code rate than BCH product codes, but with a block...
Ngày tải lên: 21/06/2014, 23:20
... order to sort out the relationship between code- switching and language shift, it is crucial to analyse the role of code- switching on the way from language acquisition to language shift and from ... unmarked RO set may change…No matter what the situational factors, it remains up to the speaker to make the choice to act upon them.”(Myers-Scotton 1993a: 114)详见本论文第 2.2.1 节。 12 即可以发生在双向的交流活动中,也可以以单向的方式出现(包括书面形式的表 ... 信息限制、对话者特指、个性化和客观化对比。 另一方面,Myers-Scotton 与伙伴开创了另一条途径来研究语码转换的社会导 因(cf Myers-Scotton and Ury, 1975; Scotton, 1982; 1983; 1988; Myers-Scotton 1993a; 1998)。基于 Grice(1975)的合作原则,Myers-Scotton(1993a: 113)提议语码选 择受到某种“谈判原则”的影响,意味着说话人会根据自己想在会话中强调的权利...
Ngày tải lên: 06/10/2015, 21:22
Model Driven Architecture Software Development – Applying and Evaluation
Ngày tải lên: 11/02/2015, 16:57
Tài liệu COMMUNICATION FROM THE COMMISSION TO THE COUNCIL AND THE EUROPEAN PARLIAMENT Innovation in a knowledge-driven economy ppt
... policies) To continue studies on topics relevant to innovation These will notably focus on the regulatory environment, in order to contribute to its adaptation to render it more 25 favourable to innovation ... compared to 1998, total funds raised by the European private equity industry in 1999 increased by 25 % from 20.3 billion to 25.4 billion, with total investment up 74 % from 14.5 billion to 25.1 ... form, sector or location, are to have the potential to grow and develop so as to contribute to the overall goal To survive in the new competitive environment, no enterprise can afford to stand...
Ngày tải lên: 16/01/2014, 16:33
Tài liệu Test-Driven iOS Development ppt
... Contents 13 Beyond Today’s Test -Driven Development Expressing Ranges of Input and Output Behavior -Driven Development 215 216 Automatic Test Case Generation 217 Automatically Creating Code to Pass Tests ... Networking Code 113 View Controllers 127 10 Putting It All Together 171 11 Designing for Test -Driven Development 201 12 Applying Test -Driven Development to an Existing Project 209 13 Beyond Today’s ... Test -Driven Development to an Existing Project 209 The Most Important Test You’ll Write Is the First Refactoring to Support Testing 210 Testing to Support Refactoring 212 Do I Really Need to Write...
Ngày tải lên: 17/02/2014, 23:20
RNA Interference Technology FROM BASIC SCIENCE TO DRUG DEVELOPMENT ppt
... Contributors Yerramilli V B K Subrahmanyam, PhD QIAGEN, Inc 19300 Germantown Rd Germantown, MD 20874 USA E-mail: subu.yerramilli@qiagen.com Asako Sugimoto, Ph.D Laboratory Head Laboratory for Developmental ... recognized to permeate the genomes of all multi-cellular organisms These tiny RNA regulators are being implicated in diverse biological pathways, ranging from development to neuronal differentiation to ... University of Bristol The School of Medical Sciences University Walk, Bristol BS8 1TD UK E-mail: p.kuwabara@bristol.ac.uk Eric Lader, PhD QIAGEN, Inc 19300 Germantown Rd Germantown, MD 20874 USA...
Ngày tải lên: 06/03/2014, 09:21
Components of Software Development Risk: How to Address Them? A Project Manager Survey ppt
... improvements in the overall software process) They are, however, crucial issues to pay attention to and to take actions to reduce risks related to them Our findings need to be interpreted with caution ... in the research model Each model component will be discussed next 2.3 Research Model 2.3.1 Components of Software Development Risk We define a risk as a state or property of a development task ... important predictor to successfully manage risks ([47], [29]) Similarly, software engineering educationÐboth in computing and project managementÐwas expected to affect the capability to handle software...
Ngày tải lên: 07/03/2014, 00:20
Project risk management: lessons learned from software development environment pdf
... 2000 A model and prototype tool to manage software risks In: Proceedings of First Asia–Pacific Conference on Quality Software, , pp 297–305 Klein, S.A., 1998 Putting methodology in perspective from ... process unique from other general Various software development risk management processes Despite the inherent risks associated with software development projects, there are strong indicators that ... metrics obtained from Unified Modeling Language (UML) specifications to determine the most risky components of the software architecture It is mathematical analysis models derived from the UML diagram,...
Ngày tải lên: 07/03/2014, 00:20
Báo cáo khoa học: "From route descriptions to sketches: a model for a text-to-image translator" doc
... route expressed by: "tournez k gauche et puis droite" ("turn to the left and then to the right"), must be completed by adding a transfer between the two turns Apart from models for linguistic ... RDs into graphic maps will thus consist in the transition from the linguistic representation to the conceptual one For the sake of the linguistic representation, we thought it necessary to carry ... respectively) Another aspect of modeling consists in specifying graphic objects corresponding to the entities in the route model For the time being, we decided to with simple symbolic elements,...
Ngày tải lên: 08/03/2014, 07:20
Báo cáo khoa học: "FROM STRUCTURE-DRIVEN SEPARATE SEMANTIC GENERATION REPRESENTATIONS" ppt
... Pattern-Action Rules for NP-Topicalization from the storage and unify it with the :mother of the local tree it is about to generate To illustrate this let us return to the topicalization example The ... occurrences of it to unify with the mother (el [Gazdar et al 1985, p 16211]) While this is easy to handle for a bottom-up process, a top-down strategy would have to guess at which daughters to instantiate ... only lthree 1GAs for storing information into and removing from the auxiliary storage T h e auxiliary storage is a two-dimensional array of a fixed size It may contain atomic values for a set...
Ngày tải lên: 09/03/2014, 01:20
Test-Driven iOS Development pptx
... figure 1.4: test -code- refactor Traditional development cycle Design Code Test Code Design Test -driven development cycle Test Figure 1.3 TDD turns around the traditional design -code- test sequence ... of software, TDD is not exactly a new invention Many old-timers have stories to tell about how they used to write the tests before the code, back in the day Today, this way of developing software ... problem with poorly written code, but such code is also a nightmare to maintain and slow and costly to develop further Nightmare to maintain, slow to develop Well-written code exhibits good design...
Ngày tải lên: 29/03/2014, 19:20
test driven web development with python
... book isn’t a guide to Python syntax, or a tutorial on web development per se Instead, I hope to teach you how to use TDD to get more reliably to our shared, holy goal: clean code that works xii ... command-line tools like ls, touch and grep, plus forward-slashes directory sepa‐ rators After you install Python 3, you’ll need to add two directories to your system PATH: the main Python directory (eg ... instructions Starting a Git repository | Figure 1-3 First Git Commit If you want to really go to town on Git, this is the time to also learn about how to push your work to a cloud-based VCS hosting...
Ngày tải lên: 05/04/2014, 15:51
Addison wesley test driven iOS development (2012)
... Contents 13 Beyond Today’s Test -Driven Development Expressing Ranges of Input and Output Behavior -Driven Development 215 216 Automatic Test Case Generation 217 Automatically Creating Code to Pass Tests ... Networking Code 113 View Controllers 127 10 Putting It All Together 171 11 Designing for Test -Driven Development 201 12 Applying Test -Driven Development to an Existing Project 209 13 Beyond Today’s ... Test -Driven Development to an Existing Project 209 The Most Important Test You’ll Write Is the First Refactoring to Support Testing 210 Testing to Support Refactoring 212 Do I Really Need to Write...
Ngày tải lên: 24/04/2014, 10:16
test-driven javascript development
... manually test and tinker with code In this chapter we are going to turn our focus from testing to specification as we delve into test -driven development Test -driven development (TDD) is a programming ... of Test -Driven Development In his book, Test -Driven Development By Example[3], Kent Beck states that the goal of test -driven development is Clean code that works TDD is an iterative development ... will find all the code listings from the book, both as zip archives and full Git repositories, which allow you to navigate the history and see how the code evolves The Git repositories are especially...
Ngày tải lên: 24/04/2014, 16:09
addison-wesley test-driven javascript development
... we are going to turn our focus from testing to specification as we delve into test -driven development Test -driven development (TDD) is a programming technique that moves unit tests to the front ... of Test -Driven Development In his book, Test -Driven Development By Example[3], Kent Beck states that the goal of test -driven development is Clean code that works TDD is an iterative development ... will find all the code listings from the book, both as zip archives and full Git repositories, which allow you to navigate the history and see how the code evolves The Git repositories are especially...
Ngày tải lên: 28/04/2014, 16:15
test driven .net development with fitnesse
... FitNesse, when not to use it, and when to combine it with unit testing tools You will also Introduction discover how to get customers to help out with testing and how to use FitNesse to make project ... be easy to write, and if they are not, then we need to change the code to make testing easier This makes it easier for other people to use our code Divide and conquer In order to test code modules ... are somewhat harder to debug, and are not automatically refactored with the code Unit tools are excellent for testing code, but they suffer from a domain mismatch when we try to describe something...
Ngày tải lên: 29/04/2014, 14:55
Recommended Approach to Software Development Revision 3
... from more than 100 software development projects Typical projects range in size from approximately 35,000 to 300,000 delivered source lines of code (SLOC) and require from to 60 staff-years to ... approach to software development that is based on studies conducted by the Software Engineering Laboratory (SEL) since 1976 It describes methods and practices for each phase of a software development ... for Software Development, teams of technical managers from NASA/GSFC and Computer Sciences Corporation (CSC) met weekly for many months to resolve issues related to flight dynamics software development...
Ngày tải lên: 13/05/2014, 21:49
FINITE ELEMENT ANALYSIS – FROM BIOMEDICAL APPLICATIONS TO INDUSTRIAL DEVELOPMENTS docx
... a model to obtain accurate results from a FEA is very important The development of FEA models can follow different protocols, depending on the aim of the study Models used to analyze laboratory ... solid model obtained by CT or μCT to more closely reproduce accurate organic geometry Organic modeling (biomodeling) extensively uses splines and curves to model the complex geometry FE software ... Bio-CAD modeling 28 Finite Element Analysis – From Biomedical Applications to Industrial Developments Fig Finite element models of test specimens made directly in FEA software 2.2 Bio-CAD protocol...
Ngày tải lên: 28/06/2014, 14:20
Test Driven JavaScript Development- P1 pptx
... Objects with Constructors 130 7.2.1 prototype and [[Prototype]] 130 7.2.2 Creating Objects with new 131 7.2.3 Constructor Prototypes 132 7.2.3.1 Adding Properties to the Prototype 132 7.2.4 The ... Test -Driven JavaScript Development Please purchase PDF Split-Merge on www.verypdf.com to remove this watermark Test -Driven JavaScript Development Christian Johansen Upper Saddle River, NJ • Boston ... suggested by Test -Driven Development It is about gaining confidence in your code through test coverage, and gaining the ability to fearlessly refactor and organically evolve your code base It is...
Ngày tải lên: 03/07/2014, 05:20
Test Driven JavaScript Development- P2 docx
... will find all the code listings from the book, both as zip archives and full Git repositories, which allow you to navigate the history and see how the code evolves The Git repositories are especially ... seek to automate the manual behavior, allowing us to spend our time doing something meaningful In fact, as web developers, our job is more often than not to automate some tedious task in order to ... Still, automated testing seems to have less momentum in the JavaScript/web development community than most other programming communities In this chapter we’ll investigate one means to automate software...
Ngày tải lên: 03/07/2014, 05:20