Ngày tải lên: 31/03/2014, 21:20
Multi-Carrier Digital Communications - Theory and Applications of OFDM
... Polytechnic Institute and State University Blacksburg, Virginia Multi-Carrier Digital Communications: Theory and Applications of OFDM Ahmad R. S. Bahai and Burton R. Saltzberg Principles of Digital Transmission: ... padded pre/postfix, and before the DFT at the receiver copy the beginning and end of frame as prefix and postfix. This creates the same effect of cyclic extension with the advantage of reducing transmit power and ... 1. Figure 1.7. OFDM modulation concept: Real and Imaginery components of an OFDM symbol is the superposition of several harmonics modulated by data symbols. The major contribution to the OFDM complexity...
Ngày tải lên: 02/03/2013, 16:58
Theory and Practice of Online Learning.doc
... distance education and educational technology and has recently co-authored two new books: Anderson and Kanuka, (2002), eResearch: Methods, Issues and Strategies; and Garrison and Anderson, (2002), ... or sense of all encompassing whole- ness, implying a study of all that is relevant and an acceptance of all types of pursuit of knowledge. The word also retains the sense of evolution and growth ... http://www .fernuni-hagen.de/ICDE/D-2001/final/keynote_speeches/ wednesday/taylor_keynote.pdf xxiv Theory and Practice of Online Learning xii Theory and Practice of Online Learning INTRODUCTION Terry Anderson & Fathi Elloumi The Online Learning Series is a collection of works...
Ngày tải lên: 03/09/2013, 12:10
Theory and Design of Electrical and Electronic Circuits
... Chap. 09 Amplification of Audiofrecuency in low level class A Chap. 10 Amplification of Audiofrecuenciy on high level classes A and B Chap. 11 Amplification of Radiofrecuency in low level ... filters of frequency and displaced of phase (I Part) Chap. 24 Active networks as filters of frequency and displaced of phase (II Part) Chap. 25 Amplitude Modulation Chap. 26 Demodulación of ... /2)1/2 Theory and Design of Electrical and Electronic Circuits Index Introduction Chap. 01 Generalities Chap. 02 Polarization of components Chap. 03 Dissipator of heat ...
Ngày tải lên: 23/10/2013, 16:15
Electronics - Theory and Design of Electrical and Electronic Circuits
... copper of the wire of the primary R 2 resistance of the copper of the wire of the secondary R 0 resistance of losses for Foucault and hysteresis C 1 distributed capacitance of the winding of ... inductance of the winding of the secondary (primary open) L 1 (1-k) inductance of dispersion of the primary L 2 (1-k) / n 2 inductance of reflected dispersion of the secondary R 1 resistance of ... Inductors and Transformadores of great value Equivalent circuit of a transformer Equivalent circuit of a inductor Measurement of the characteristics Transformer of alimentation Design Transformer of...
Ngày tải lên: 27/10/2013, 16:15
Tài liệu SERVQUAL and Model of Service Quality Gaps pptx
... SERVQUAL and Model of Service Quality Gaps: A Framework for Determining and Prioritizing Critical Factors in Delivering Quality Services Dr. Arash Shahin Department of Management, University of ... Edvardsson et al. , 1997; Lings and Brooks, 1998; Reynoso and Moore, 1995; Young and Varble, 1997; Sahney et al. , 2004). One of the aims of this study involves the use of SERVQUAL instrument in ... customer expectations and perceptions of the service offered. Another aim of this paper is to point out how management of service improvement can become more logical and integrated with respect...
Ngày tải lên: 23/12/2013, 02:16
Tài liệu Theory and Problems of Digital Principles pdf
... equipment and controls, and office, medical, military, and communications equipment. This expanding use of digital circuits is the result of the development of inexpensive integrated circuits and ... apply to any one of several codes. The most popular BCD code is the 8421 code. The numbers 8, 4, 2, and 1 stand for the weight of each bit in the 4-bit group. Examples of other weighted ... at the output of gate (1) in Fig. 3-15b. Gate (2) is also a 2-input AND gate. The output of this gate will be B C (B AND C). This expression is written at the output of gate (2). Next...
Ngày tải lên: 21/01/2014, 06:20
theory and problems of finite mathematics schaums outlines s lipschutz pptx
Ngày tải lên: 14/03/2014, 18:20
Miller puckette theory and techniques of electronic music
... frequency—has been heretofore used to control two separate aspects of the output: the period at which we start new copies of the waveform, and also the length of each individual copy. The idea of timbre stretching ... schemes are often used to increase the ac- curacy of table lookup. Here we will give a somewhat simplified account of the effects of table sizes and interpolation schemes on the result of table lookup. To ... both x[n] and y[n] are allowed to take negative and positive values and/ or to change quickly, the effect of multiplying them can’t be described as simply changing the amplitude of one of them;...
Ngày tải lên: 15/03/2014, 12:54
The Theory and Practice of Online Learning (Au Press) ppt
... the area of distance education and educational technology and has recently co-authored two new books: Anderson and Kanuka, (2002), eResearch: Methods, Issues and Strategies; and Garrison and Anderson, ... the six forms of interaction and their critical role in engaging and supporting both learners and teachers. The author presents a model of online learning, a first step toward a theory in which ... synchronous tools of video and audio tele- conferencing, and yet another based on computer conferencing. The first part of the twenty -first century has produced the first visions of a fifth generation—based...
Ngày tải lên: 16/03/2014, 05:20
THEORY AND APPLICATIONS OF MONTE CARLO SIMULATIONS ppt
... Gaussian distribution, with mean of 35.7653 kg and standard deviation equal to the standard deviation of the mean, i.e. 0.3 g / 10=9.49ì10 -5 kg. Theory and Applications of Monte Carlo Simulations38 ... and u ( x 3 ) are their respective uncertainties and y and u ( y ) are the measurand and its uncertainty, re‐ spectively; and b) propagation of distributions, where g ( x 1 ) , g ( x 2 ) and ... to define and exemplify the position of this book within the fields of science and engineering. Imagine that one can place MCS at the centerpoint of an umbrella and define the tip of each spoke...
Ngày tải lên: 16/03/2014, 12:20
SCHAUM''S OUTLINE of theory and problems of PROBABILITY
... 5 RANDOM VARIABLES 74 Introduction. Distribution and expectation of a finite random variable. Variance and standard deviation. Joint distribution. Independent random variables. Func- Functions of ... intersection of A and B, denoted by AnB, is the set of elements which belong to both A and B: АП В = {x: xGA and x G B) If AnB — JZ>, that is, if A and В do not have any elements in common, then A and ... a result of investigations of various games of chance. Since then many leading mathematicians and scientists made contributions to the theory of probability. However, despite its long and active...
Ngày tải lên: 18/03/2014, 11:38
Theory and Design of Air Cushion Craft pdf
... between PAR/WIG and ACV/SES craft, the theory and design of PAR/WIG are not discussed further in this book. Air cushion craft are part of the larger group of high performance ... sincerely. Publications of the China Society of Naval Architects and Marine Engineers (CSNAME), the Society of Naval Architects and Marine Engineers (USA), the Royal Institution of Naval Architects ... secured the assistance of a fellow boatbuilder in constructing a working model of the type of craft envisaged. This was used as a test model for several years and is now in the Science...
Ngày tải lên: 22/03/2014, 13:20
Rating Based Modeling of Credit Risk: Theory and Application of Migration Matrices doc
... default model validation and bench- marking. More precisely, we focus on robust segmentation of the data for model validation and testing, and measures of model performance and inter -model comparison ... given year, the logit model would express the effects of X on the log of the odds of a birth versus a nonbirth. On the other hand, the left side of the probit model can be thought of as being a score ... fraction of approximately 10% defaulted firms. Hereby, CAP curves for a random model, an exemplary scoring model, and the perfect model are provided. Obviously, one of the most useful properties of...
Ngày tải lên: 22/03/2014, 23:20
Assessing the Theory and Practice of Land Value Taxation pot
... separate tax on land. In Land value taxation: Theory, evidence, and practice, Dye and England, eds. Bird, Richard M. and Enid Slack. 2004. International handbook of land and property taxation. ... experience with land value taxation. In Land value taxation: Theory, evidence, and practice, Dye and England, eds. * ———. 2009b. The political economy of enacting land value taxation. In Land value ... framework for land value taxation in the United States. In Land value taxation: Theory, evidence, and practice, Dye and England, eds. Dye, Richard F., and Richard W. England, eds. 2009. Land value...
Ngày tải lên: 23/03/2014, 11:20
Báo cáo khoa học: "Computational Modeling of Human Language Acquisition" ppt
Ngày tải lên: 23/03/2014, 17:20