Constrained systems

Xem 1-20 trên 84 kết quả Constrained systems
  • Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành hóa học dành cho các bạn yêu hóa học tham khảo đề tài: Research Article Stochastic Resource Allocation for Energy-Constrained Systems

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  • This chapter is devoted to ‘‘fundamental’’ fundamentals—certain principles which lay the foundation for what is to come. Starting with the original author’s suggested thought process for analyzing typical problems, the reader is then exposed to a buzzword of our time: value engineering. Next follows a discussion of codes and regulations, political criteria which constrain potential design solutions to the bounds of public health and welfare, and sometimes to special interest group sponsored legislation....

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  • This chapter discusses the problematic nature of interfacial sciences when constrained to the mesoscale. Interfacial sciences are trapped between the atomistic and the three- dimensional bulk regimes - the mesoscale. We experience a breakdown of phenomenological descriptions used to characterize macrosystems. Furthermore, submicrometer systems with their fractal-like dimension cannot be adequately described with quantum or molecular interaction theories. The challenge of describing the mesoscale for the...

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  • Chapter 3: The enhanced entity - relationship (EER) model. This chapter presents the following content: EER model; Subclasses, superclasses and inheritance; specialization and generalization; constrains and characteristics; union.

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  • The paper introduces an algorithm to design a feedback controller, which guarantees the tracking of time varying bilinear system outputs for desired values in the presence of input constraint. The proposed controller employs the ideas of receding horizon principle and constrained optimal control.

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  • The ability of PHI to reduce demand pressures on the public system has nonetheless proven to be constrained. Increases in the population covered by PHI in Australia and Ireland have not resulted in unambiguous signs of decline in the level of waiting (Colombo and Tapay, 2003 and 2004b). PHI membership has not only shifted demand across public and private hospitals but has also increased overall demand, thereby limiting the impact on waiting times.

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  • At the global level, the relationship between population and environ- mental impact is not easy to test in a way that leads to reliable and non- spurious estimates. This is because of the lack of data on environmental degradation covering a sufficiently large number of countries over a suffi- ciently large period of time. It is for this reason that studies have tended to focus on CO2 emissions and energy use, for which cross-country and time- series data are available.

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  • Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành hóa học dành cho các bạn yêu hóa học tham khảo đề tài: Research Article ASAP: A MAC Protocol for Dense and Time-Constrained RFID Systems

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  • Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành hóa học dành cho các bạn yêu hóa học tham khảo đề tài: Bounds on the Outage-Constrained Capacity Region of Space-Division Multiple-Access Radio Systems

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  • Services to implementing agencies. The limited capacity of implementing agencies to mainstream gender-responsive approach- es sometimes constrains the success of Bank projects and programs. The Bank itself has a limited capacity to provide technical assistance to implementing agencies, but one region has successfully estab- lished technical service facilities that rely on part-time consultants to advise these agencies on integrating gender-responsive approaches into project implementation.

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  • The staff meeting is just coming to an end and there’s been a lively debate on the school’s system for end-of-course assessment. A lot of the teachers are unhappy with the present tests because they find them too grammar based and this doesn’t fit with the kind of communicative teaching that is used in class. However no one has any clear ideas about exactly what kind of system to replace it with… So, it’s been decided to appoint a project group to make proposals.

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  • Event-driven programming is a popular model for writing programs for tiny embedded systems and sensor network nodes. While event-driven programming can keep the memory overhead down, it enforces a state machine programming style which makes many programs difcult to write, maintain, and debug. We present a novel programming abstraction called protothreads that makes it possible to write eventdriven programs in a thread-like style, with a memory overhead of only two bytes per protothread.

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  • A vehicle on elastic suspensions may be modelled as a system made by a certain number of rigid bodies connected with each other by mechanisms of various kinds and by a set of massless springs and dampers simulating the suspensions. A vehicle with four wheels can be modelled as a system with 10 degrees of freedom, six for the body and one for each wheel. This holds for any type of suspension, if the motion of the wheels due to the compliance of the system constraining the motion of the suspensions (longitudinal and transversal compliance of the suspensions) is neglected....

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  • Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành hóa học dành cho các bạn yêu hóa học tham khảo đề tài: Research Article CDIT-Based Constrained Resource Allocation for Mobile WiMAX Systems

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  • Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành hóa học dành cho các bạn yêu hóa học tham khảo đề tài: Review Article Bit and Power Allocation in Constrained Multicarrier Systems: The Single-User Case

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  • Current investment management practice typically assumes that the OE portfolio is defined by the fund manager’s investment “style.” Roughly, style refers to a subset of the investment universe in which a manager is constrained to operate, such as small capitalization stocks versus large stocks, or “value” versus “growth” firms. The style con- straint may be a self-declared specialization, or it may be imposed on the manager by the firm.

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  • In every period, each population of investors receives its speci…c endowment and risk sharing is implemented through trade of contracts which specify future transfers of endowments between the two populations of investors.2 These contracts represent …nancial securities which pay the speci…c endowments as dividends. In the standard case where all investors can commit not to default on any prescribed endowment transfer, the optimal contracts achieve an e¢ cient risk-sharing allocation.

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  • For an equivalent level of security, elliptic curve cryptography uses shorter key sizes and is considered to be an excellent candidate for constrained environments like wireless/mobile communications. In FIPS 186-2, NIST recommends several finite fields to be used in the elliptic curve digital signature algorithm (ECDSA). Of the ten recommended finite fields, five are binary extension fields with degrees ranging from 163 to 571. The fundamental building block of the ECDSA, like any ECC based protocol, is elliptic curve scalar mul- tiplication.

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  • Most of the information that we include for each node and edge is straightforward to obtain from the Twitter stream. However, there are some data processing aspects that require special handling: Mapping user names to IDs: The Twitter stream relates the tweets with internal user identifiers, while user mentions are expressed as user names. To match them, we use the Twitter API to resolve the user-id and user-name reference. URL shortening: A tweet is constrained to 140 characters, so most URLs are shortened using a URL shortening service such as http: //

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  • In the first year of an internal audit start-up, companies typically do not have a formal baseline from which to evaluate the effectiveness of control activities. As such, the initial risk assessment and audit plan are developed primarily at inherent risk level. Inherent risks are those present in the normal course of conducting business activities. These include external risks such as changes to global, national and economic climates, as well as technological, legal and political changes.

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