fundamentals of wireless communication technology ppt
Fundamentals of Wireless Communication
... hugemongous.46EE 290S: Fundamentals of Wireless Communication Course NotesU.C. Berkeley Fall 2002Instructor: David TseCo-written with: Pramod ViswanathSeptember 18, 2002fades of the channel (i.e. ... 1000 (30 dB). Stupendous amounts of power would be required formore reliable communication. Before we explore further the root cause of the poor performance of this detector,we note that there ... gain, there is a law of diminishing marginal return: as L increases, themarginal benefit decreases because of the law of large numbers, eventually convergingto the performance of the AWGN channel....
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Tài liệu Fundamentals Of Power Electronics P2 pptx
... m) of boost, 18, 26, 127, 381 of buck, 18, 120, 381 of buck-boost, 18, 128, 381 of Cuk converter, 32, 381 of loss-free resistor networks, 376-381in low-harmonic rectifiers, 593-595modeling of, ... currents, table of, 609 of near-ideal rectifier waveforms, 604-609Rotation of three-terminal cell, 141-142Saturation of inductors, 462, 465-466 of magnetic materials, 458-460 of transformers, ... 458-460 of free space, m0, 458relative, mr, 458Phase asymptotes of complex poles, 279-282inverted forms, 272 of real pole, 266-268 of real zero, 269 of RHP zero, 270Phase control of resonant...
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Tài liệu Fundamentals of Machine Design P2 ppt
... • Types and uses of some common non-ferrous metals. • Types and uses of some non-metals. • Important mechanical properties of materials. 1.2.1 Introduction Choice of materials for a ... considered to be the ability of the material to absorb energy in the plastic zone. The measure of toughness is the amount of energy absorbed after being stressed upto the point of fracture. (i) Creep- ... loading, such as, fasteners, springs etc. 1.2.8 Summary of this Lesson In this lesson the properties and uses of different types of metals and non-metals, generally used in machine design,...
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Tài liệu Fundamentals of Machine Design P3 pptx
... other, the nature of fit is dependent on the limits of tolerances and fundamental deviations of the mating parts. The nature of assembly of two mating parts is defined by three types of fit system, ... or manufacture a product range. The range of operational speeds of a machine or the range of powers of a typical machine may be also as per a series of preferred numbers. Version 2 ... The nature of assembly of two mating parts is defined by three types of fit system, Clearance Fit, Transition Fit and Interference Fit. Clearance Fit: In this type of fit, the shaft of largest...
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Tài liệu Fundamentals of Fiber Cable Management pptx
... +1-952-917-3237 • For a listing of ADC’s global sales office locations, please refer to our web site. FUNDAMENTALS OF FIBER CABLE MANAGEMENT8/05 • 10273 Fundamentals of Fiber Cable Management12www.adc.com ... enable providers to reap the fullbenefits of fiber and operate a highly profitable network. Fundamentals of Fiber Cable Management8/05 • 10273 Fundamentals of Fiber Cable Management13www.adc.com ... optical couplers Fundamentals of Fiber Cable ManagementWHITE PAPER8/05 • 10273 Fundamentals of Fiber Cable Management23www.adc.com • +1-952-938-8080 • 1-800-366-3891The focus of the purchasing...
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Tài liệu Fundamentals of Machine Design P6 pptx
... strains may be derived in terms of these displacements. 2.3.2 Normal strains Consider an element AB of length δx ( figure-2.3.2.1). If displacement of end A is u, that of end B is uux∂+δ∂x ... discussed. 2.3.9 Reference for Module-2 1) Mechanics of materials by E.P.Popov, Prentice hall of India, 1989. 2) Mechanics of materials by Ferdinand P. Boer, E. Russel Johnson, J.T Dewolf, ... principal strains in terms of principal stresses as [][][]112322333121()E1()E1()Eε= σ−νσ+σε= σ−νσ+σε= σ−νσ+σ 1 From the point of view of volume change or dilatation...
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Tài liệu Fundamentals of Machine Design P11 ppt
... the end of this lesson, the students should have the knowledge of • Fasteners and their types: permanent and detachable fasteners. • Different types of pin joints. • Different types of keys ... of keys and their applications. 4.1.1 Introduction: Types of fasteners A machine or a structure is made of a large number of parts and they need be joined suitably for the machine to ... and d are the width, length and diameter of the shaft respectively and τy is the yield stress in shear of the key material. Taking τy to be half of the tensile yield stress and substituting...
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Tài liệu Fundamentals of Machine Design P13 ppt
... Summary of this Lesson In this lesson firstly different types of bolts, set screws and studs are discussed. Some details of set and tapping screws are also discussed. Constructional details of ... point styles are available. Some of them are shown in figure-4.3.1.3. Version 2 ME, IIT Kharagpur 4.3.1.3F- Different types of set screws (Ref.[6]) 4.3.2 ... 3 Threaded Fasteners Version 2 ME, IIT Kharagpur 4.3.1.2F- Types of bolt heads (Ref.[6]) Tapping screws These are one piece fasteners which cut or form a mating...
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Tài liệu Fundamentals of Machine Design P16 ppt
... diameter of rubber bushing dr is given by dr= db +2 tbr +2 trwhere db is the diameter of the bolt or pin , tbr is the thickness of the brass sleeve and tr is the thickness of rubber ... yield shear value of flange material 60MPa. fτ Q.2: Determine the suitable dimensions of a rubber bush for a flexible coupling to connect of a motor and a pump. The motor is of 50 KW and runs ... diameter of the rubber bush as dbush = Enlarged diameter of the pin + 2x brass sleeve thickness. A brass sleeve of 2mm thickness is sufficient and we have dbush = 20mm Rubber bush of core...
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Tài liệu Fundamentals of Machine Design P17 ppt
... factor of safety let d = 10 mm. Q.2. A single square thread power screw is to raise a load of 50 KN. A screw thread of major diameter of 34 mm and a pitch of 6 mm is used. The coefficient of friction ... pitch of 2 mm. The frictional coefficient is 0.15 for both the threads and the collar. The collar has a frictional diameter of 16 mm. The handle is made of steel with allowable bending stress of ... is 3My 32MIdσ= =π where d is the diameter of the handle. Version 2 ME, IIT Kharagpur 6.1.1.1T – Dimensions of three different series of square thread form. Fine Series Normal...
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Tài liệu Fundamentals of Machine Design P21 ppt
... used in the design of leaf springs. 7.3.6 Standard sizes of leaf spring Width (mm) : 25-80 mm in steps of 5mm Thickness (mm) : 2-8 mm in steps of 1mm, 10-16 mm in steps of 2mm Version ... leaf. This practice of stress relief in the master leaf is known as Nipping of leaf spring. As a matter of fact, all the leaves of a laminated leaf spring do have certain amount of nipping, so that ... • Design theme of leaf springs • Laminated spring and its modifications 7.3.1 Leaf Springs In order to have an idea of working principle of a leaf spring, let us think of the diving...
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Tài liệu Fundamentals of Machine Design P28 ppt
... At the end of this lesson, the students should be able to understand: • Basic failure mechanisms of riveted joints. • Concepts of design of a riveted joint. 1. Strength of riveted joint: ... shear. There are other mechanisms of failure of the joint e.g. tearing along the innermost row and shearing or crushing of rivets in other two rows etc., but all of them will have higher resistance ... allowable tensile stress of the plate material ts = pitch p = diameter of the rivet hole d t = thickness of the plate Failure path in tensionP P Figure 10.2.1: Failure of plate in tension...
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Tài liệu Fundamentals of Machine Design P29 ppt
... may change leading to weakening of the joint. (iv) Defects: of various kinds like incomplete penetration, porosity, slag inclusion which affect the strength of a welded joint. (v) Stress concentration: ... standard textbook on welding. 3. Strength of welded joints: Adequate care must be taken to enhance strength of the welded joint. It is seen that strength of a welded joint gets affected mainly ... Groove angle Length of weld Pitch (center to center spacing) Arrow connecting reference line to arrow Side of joint Field weld symbol Weld all around symbol No of spots or projection...
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Tài liệu Fundamentals of Machine Design P32 ppt
... stress of the rivet. Model questions and answers: Q. 1. The base of a pillar crane is fastened to the foundation by n bolts equally placed on a bolt circle of diameter d. The diameter of the ... load. Choose the line joining the center of the base and the point of application of the load as the reference line. In this case iy=distance of the i-th bolt from the tilting point ... 332211tanlylyly===≈θθ where iy=elongation of the i-th bolt =distance of the axis of the i-th bolt from point O. ilIf the bolts are made of same material and have same dimension, then...
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Tài liệu OVERSIGHT OF ASSISTED REPRODUCTIVE TECHNOLOGY pptx
... as well. In the realm of professional self-regulation, an on-going system of quality assurance includes specialtytraining and certification of physicians, accreditation of clinics and ethicaland ... (www.cms.hhs.gov/CLIA/07_Program_Descriptions_Projects.asp#TopOfPage).Professional Self-RegulationA profession is characterized by skill based on a unique body of knowledge, acode of ethics, and a social contract with ... Reproductive Technology (SART), strictly monitors member clinics for adherence to ASRM guidelines,accreditation of their embryology labs, qualification of their staff, and submission of data to...
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