... level of noise – Interference can take place • To reduce the interference of noise – Boost the strength of the signal – Use of filters when receiving the signal • Attenuation – A loss of signal ... (continued) 12 Multiple Access (continued) 2 Objectives • List the components of a radio system • Describe how different factors affect the design of a radio system • Explain the radio frequency spectrum 17 Multiple ... single output – Output is in the range of the highest sum and the lowest difference of the two frequencies – Sum and differences are known as the sidebands of the frequency carrier • Shield transmitted...
Ngày tải lên: 13/09/2012, 10:52
Principles of Digital Communication Systems and Computer Networks
... chương II trong sách “Principles of Digital Communication Systems and Computer Networks” của nhóm em. Phần I – Các hệ thống truyền thông số (Digital Communation System) Chương 2: Lý Thuyết Thông ... kỹ sư truyền thông. Tài liệu tham khảo C. E. Shannon. "A Mathematical Theory of Communication." Bell System Technical Journal, Vol. 27, 1948. Tất cả các kỹ sư truyền thông phải đọc ... Cuốn sách của ông “A Maththemathical Theroy of Communication ” (Một lý thuyết toán học của sự truyền thông tin) được xuất bản trong Tạp chí Bell System Technical là cơ sở cho sự phát triển toàn...
Ngày tải lên: 18/09/2012, 10:13
Analysis of Brand Identity System of Vietnam Airline
... and a host of other factors beyond the control of AAPA airlines, all of its members posted a massive, collective loss of US$843.8 million in the 1997-1998 financial year. In view of financial ... report of AAPA traffic in 1998, which provides an overview of operating result of all AAPA members in 1998. 30 Tables of Contents Tittle page ……………………………………………………………………………………….i 1.1 Rationale of ... Passenger Transport Projection 60 Table 4.12: Number of Personnel as of May 1999 61 Table 4.13: Level of education of Vietnam Airlines employees (as of May 1999) 61 Table 4.14: Vietnam Airlines Resources...
Ngày tải lên: 13/04/2013, 10:33
Performance analysis of wind turbine systems under different parameters effect
Ngày tải lên: 05/09/2013, 16:10
Exergoeconomic optimization and improvement of a cogeneration system modeled in a process simulator using direct search and evolutionary methods
Ngày tải lên: 05/09/2013, 16:30
Simulation of Wireless Network Systems
... model for the purpose either of understanding the behavior of the system or of evaluating various strategies for the operation of the system. ’ Based on the above definition of a model, we can redefine ... strategies of its operation. Others defined simulation as the process of experimenting with a model of the system under study using computer program- ming. It measures a model of the system rather ... than the system itself. A model is a description of a system by symbolic language or theory to be seen as a system with which the world of objects can be expressed. Thus, a model is a system interpretation...
Ngày tải lên: 29/09/2013, 21:20
Developement of Multi-Agent system (MAS) model for Bac Lieu case study
... the full set of farmers or for specific set of farmers. For instance in the following figure, again given as an illustration, one can observe the evolution of the proportion of the different ... 5 topographic position of the plot? And finally what are the economic conditions of the farmers? Depending on the combination of these three parameters, the household will have different kind of activities ... scenarios of management of the sluices. It has been validated and is used on the field: for given needs the model helps the management of different sluices. The main potential input of multi-agent...
Ngày tải lên: 16/10/2013, 01:15
Developmentof the Microfinance system in Russia
... Microfinance Programs program of Russian Women’s Microfinance Chain, supported by Ford’s Fund Opportunity International FINCA International USAID programs ACDI/VOCA Basic conditions of Microfinance IInterest ... total number of establishments; 44 % of GDP; 45 % of employment. Social Effect of MFIs MFIs create new work places MFIs give an opportunity for economic development for a lot of people ... Banks Microfinancing Institutes Credit UnionsAgriculture/country credit cooperatives State Funds (Regional Funds) for support of small entrepreneurship Main objective of Microfinance creation of a...
Ngày tải lên: 24/10/2013, 03:15
Internal Reasons and the Scope of Blame
... within the scope of this class of reasons, and thus within the range of “x.” The cognitive internalist explains this by invoking the obvious fact that the bird is not an agent capable of appreciating ... wants to say that since they have no such reasons they do not fall within the scope of blame. At this point, of course, someone might wish to deny (IV). But although it has been disputed, we ... reading of Kant – cf Williams [1995], p. 44, n. 3.) P1: SBT 9780521662161c03 CUNY946/Thomas 978 0 521 66216 1 July 11, 2007 12:10 3 Internal Reasons and the Scope of Blame JOHN SKORUPSKI One of Bernard...
Ngày tải lên: 01/11/2013, 07:20
The Critique of the Morality System
... Critique of the Morality System 113 2. KANT AND THE MORALITY SYSTEM Now that we have a better idea of what Williams means by “the moral- ity system, ” what are we to make of his complete dismissal of ... of practical neces- sity outside of contexts of moral deliberation, that there exist no options between the extremes of reason and force, and so on. As one reviewer of Ethics and the Limits of ... thorough investigation of all of its myriad mysteries is far beyond the scope of this essay. Rather, my aim is the more manageable one of examining briefly those specific aspects of it that are targeted...
Ngày tải lên: 01/11/2013, 07:20
Motion Control Theory Needed in the Implementation of Practical Robotic Systems
... limits are the preferred method of controlling the velocity profile of a motor control system set up as a velocity regulator. However, in a positioning system, or servo system, motors are tuned to ... diagram of system to be observer and better controlled. The design of a sliding mode controller will follow the method of Slotine and Li [25] for the simpler case of a first order system. ... when tuning systems where small position changes are required, the system with the compensator of Figure 3.6b, which forgoes the velocity loop altogether, often outperforms the system using...
Ngày tải lên: 05/11/2013, 21:15
An Introduction to Intelligent and Autonomous Control-Chapter 5: Modeling and Design of Distributed Intelligence Systems
Ngày tải lên: 07/11/2013, 09:15
A review of agile manufacturing systems
... development of new systems (table 8). Manufacturing software systems play a key role in the implementation of process planning for agile manufacturing . However, current software systems are monolithic. ... Journal of Manufacturing Systems, 18(6), 383±395. Montreuil, B., Venkatadri, U. and Lefrancois, P., 1991, Holographic layout of manu- facturing systems. 19th IIE Systems Integration Conference. Systems ... application of the concept of agility in service industries. In product and manufacturing systems design, e orts have been made in the compatibility of the systems, in the creation of standards,...
Ngày tải lên: 23/11/2013, 10:01
Tài liệu Điều khiển thích ứng hệ thống xác định một phần ( Adaptive control of partially known system) ppt
... method of partially known system and shows its application result to control of a two-wheeled welding mobile robot. The controlled system is designed using Lyapunov stability. The effectiveness of ... Sarkar, X. Yun and V. Kumar, “Control of Mechanical Systems With Rolling Constrains: Application to Dynamic Control of Mobile Robots”, The Int. Journal of Robotics Research, Vol. 13, No. 1, ... [18] X. Yun and Y. Yamamoto, “Internal dynamics of a Wheeled Mobile Robot”, Proc. of the 1993 IEEE/RSJ Int. Conference on Intelligent Robots and Systems , Japan, pp. 1288-1294, July 1993. [19]...
Ngày tải lên: 10/12/2013, 13:16
Tài liệu Scope of this document pptx
... especially over very slow connections, where there are overheads and security implications of using a browser. Of course, there are some basic shortfalls to this method; attachments will not be decoded, ... emails more bloated than they need to be (for the same amount of information conveyed), but it also is the root cause of a lot of the rogue programs that are transmitted by email. Sending emails Nomenclature: ... other software. There is another need to keeping knowledge of these skills handy, this method is impervious to any email trojan, virus, spyware etc. which means that you can safely get a gist of...
Ngày tải lên: 24/12/2013, 18:15
Ebook - Bản chất và phạm vi của Logic Nature and Scope of Logic
Ngày tải lên: 27/12/2013, 16:54