fundamentals of electric circuits

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Ngày tải lên: 31/12/2013, 22:30

Ngày tải lên: 23/03/2014, 08:21

... sort of chart with one stroke of each colour using the thickness of the pastel. This will give you some idea of the density of tone and brightness of colour for each crayon. 1 Now make a patch of ... side of the face, one side of the nose, the upper edge of the upper lip, the lower lip and the top of the chin. The eyes are both in shadow, the right one more so, as are the right side of the ... the details of the buildings. Cover the areas of distant vegetation with a green tone. Then with a much deeper version of the original colour of the canal, put in the reflection of the buildings...

Ngày tải lên: 13/09/2012, 14:19

Ngày tải lên: 18/09/2012, 10:11

... –Distributed processing Enables the use of resources across the network Main Capabilities of the Common Desktop Environment (CDE) - ( )CDE is Motif based and users of other UNIX and personal computer ... are supported: directory An absolute or relative pathname of the directory that becomes the new working directory. The interpretation of a relative pathname by cd depends on the CDPATH environment ... the man command / string Search forward for information n Find the next occurrence of string h Give a description of all scrolling capabilities Changing Your Password .Changing your password frequently...

Ngày tải lên: 18/09/2012, 10:11

... later that the official term for this was coined for Web and we entered the age of progressive enhancement. In 1999, Microsoft created the earliest stage of Ajax in the form of an ActiveX control ... in a browser. Knowing all the capabilities of CSS and understanding the separation between presentation and behavior will allow you to offload a lot of heavy JavaScript functions to its more ... Proofreader Debbie Williams Technical Reviewers Evan Burchard Alex Moffat Publishing Coordinator Olivia Basegio Cover Designer Chuti Prasertsith Compositor Nonie Ratcliff Many of...

Ngày tải lên: 03/01/2013, 15:51

... extension of the course material provided to delegates on advanced one-week intensive courses offered to industry by the University of York. These are offered either as a single course or as part of ... and therefore an in-depth understanding of the underlying/fundamental principles used is very important. The aim of this book is to explain the fundamentals of the basic building blocks used in ... writing of the Publisher, with the exception of any material supplied specifically for the purpose of being entered and executed on a computer system, for exclusive use by the purchaser of the...

Ngày tải lên: 08/04/2013, 10:50

... Professor Robert Heath and Mr. Runhua Chen from the University of Texas at Austin. Both Professor Heath and Mr. Chen possess an incredi- ble degree of intuition and understanding in the area of ... the United States Fundamentals of WiMAX Understanding Broadband Wireless Networking Jeffrey G. Andrews, Ph.D. Department of Electrical and Computer Engineering The University of Texas at Austin Arunabha ... general. —Paul Struhsaker, VP of Engineering, Chipset platforms, Motorola Mobile Device Business Unit, former vice chair of IEEE 802.16 working group xxi Preface Fundamentals of WiMAX was consciously...

Ngày tải lên: 27/04/2013, 08:58

Ngày tải lên: 25/08/2013, 09:33

Ngày tải lên: 19/09/2013, 15:53

... chỉ ra tại tham số (mặc định là 1). © 2003 Prentice Hall, Inc. All rights reserved. 4 8.2 Fundamentals of Operator Overloading •Sử dụng toán tử với một đối tượng –Nó phải được overloaded cho lớp ... Inc. All rights reserved. 1 Chapter 8 - Operator Overloading Outline 8.1 Introduction 8.2 Fundamentals of Operator Overloading 8.3 Restrictions on Operator Overloading 8.4 Operator Functions as ... HugeIntClass © 2003 Prentice Hall, Inc. All rights reserved. Outline 12 fig08_03.cpp (3 of 3) fig08_03.cpp output (1 of 1) 53 54 } // end function operator>> 55 56 int main() 57 { 58 PhoneNumber...

Ngày tải lên: 29/09/2013, 07:20

... representative values of C’s are tabulated in Table 1 below. Table 1. Values of C for various types of joints Type of joint Value of C Metal to metal joint with through bolt 0.00 – 0.10 Soft copper ... The pressure causes external force of magnitude c pA F n = , where n= number of equally spaced bolts on the bolt circle = area of cross section of the cylinder c A p = fluid pressure ... the root area of each bolt. The advantage of initial pretension is at once visible from the above expressions. The ratio b A amp m σ σ gets drastically reduced, The safe size of the bolt can...

Ngày tải lên: 18/10/2013, 09:15

... I-1 Fundamentals of Digital Electronics Introduction Digital electronics is one of the fundamental courses found in all electrical engineering and most science programs. The great variety of ... passage of a logical signal. From only a handful of basic gate types (AND, OR, XOR, and NOT), a vast array of gating functions can be created. The AND Gate A basic AND gate consists of two inputs ... wealth of programming structures and functions, make LabVIEW an excellent tool to visualize and demonstrate many of the fundamental concepts of digital electronics. The inherent modularity of...

Ngày tải lên: 19/10/2013, 11:15

... function of SNR for different number of diversity branches L. 41 channel gain at the receiver. If the transmitted symbol is x[0] = ±a, then for a given value of h[0], the error probability of detecting ... gain, there is a law of diminishing marginal return: as L increases, the marginal benefit decreases because of the law of large numbers, eventually converging to the performance of the AWGN channel. ... diversity is achieved by averaging over the fading of the channel over time. Typically, the channel coherence time is of the order of 10’s to 100’s of symbols and therefore the channel is highly...

Ngày tải lên: 20/10/2013, 07:15

... Professor Robert Heath and Mr. Runhua Chen from the University of Texas at Austin. Both Professor Heath and Mr. Chen possess an incredi- ble degree of intuition and understanding in the area of ... Andrews is an assistant professor in the Department of Electrical and Computer Engi- neering at the University of Texas at Austin, where he is the associate director of the Wireless Networking ... standard. In Part III of the book, Chapters 8 and 9 describe the details of the physical and media access control layers of the WiMAX standard and can be viewed as a distilled summary of the far more lengthy...

Ngày tải lên: 20/10/2013, 07:15

... historical survey of these is beyond the scope of this section. Instead, we provide a brief review of some of the broader patterns in this development. A chronological listing of some of the notable ... because of the fragmentation of the industry due to the lack of a common standard. The emergence of WiMAX as an industry standard is expected to change this situation. Given the wide variety of solutions ... handoffs. Multicast and broadcast services are also 3 C HAPTER 1 Introduction to Broadband Wireless B roadband wireless sits at the confluence of two of the most remarkable growth stories of...

Ngày tải lên: 24/10/2013, 05:15

... What are the advantages of a belt drive? A1. The advantages of a belt drive are that, it can absorb a good amount of shock and vibration. It can take care of some degree of misalignment between ... - Diameter of the larger pulley d S – Diameter of the smaller pulley α L - Angle of wrap of the larger pulley α S – Angle of wrap of the smaller pulley L C- Center distance between ... velocity of the pulley m is the mass of the belt of unit length, m = btρ (13.1.4) where, b is the width, t is the thickness and ρ is the density of the belt material. From the equation of...

Ngày tải lên: 25/10/2013, 12:15

... The decision of the material to be used depends on the type of service. No. of ply and Thickness Ply is the number of layers as indicated earlier. Therefore, the number of ply is decided ... Coefficient of friction of the belt material Coefficient of friction for a pair of belt material and pulley material is provided in design data book. 13.2.4 Modification of Belt stress ... one. When angle of wrap is less than 180 0 : The maximum stress values are given for an angle of wrap is 180 ο for both the pulleys, ie, pulleys are of same diameter. Reduction of belt stress...

Ngày tải lên: 25/10/2013, 12:15

... end of this lesson, the students should be able to understand: • Features of V-belt drives • Nomenclature of V-belt, types of V-belt section and its power rating • Selection procedure of ... angle of wrap of 3.00 radian (smaller pulley herefore, incorporating the correction factors, odified power rating of a belt (kW ) = Power rating of a belt (kW) x C vw x C vl ), the angle of ... transmission falls in the lower side of the given range. Another restriction of choice of belt section arises from the view point of minimum pulley diameter. If a belt of higher thickness (higher...

Ngày tải lên: 29/10/2013, 19:15