Fundamentals of WiMAX (P2)
Fundamentals of WiMAX (P2)
... 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 ... 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...
Fundamentals-of-wimax-understanding-broadband-wireless-networking
... of WiMAX 33 2.1 Background on IEEE 802.16 and WiMAX 33 2.2 Salient Features of WiMAX 37 2.3 WiMAX Physical Layer 39 2.3.1 OFDM Basics 39 2.3.2 OFDM Pros and Cons 40 2.3.3 OFDM Parameters in WiMAX ... engineers who want to know WiMAX fundamentals and its performance. The concepts of OFDMA, multiple antenna techniques, and various diversity techniques—which are the backbone...
Fundamentals of WiMAX (P1)
... of WiMAX 33 2.1 Background on IEEE 802.16 and WiMAX 33 2.2 Salient Features of WiMAX 37 2.3 WiMAX Physical Layer 39 2.3.1 OFDM Basics 39 2.3.2 OFDM Pros and Cons 40 2.3.3 OFDM Parameters in WiMAX ... engineers who want to know WiMAX fundamentals and its performance. The concepts of OFDMA, multiple antenna techniques, and various diversity techniques—which are the backbone...
Tài liệu Fundamentals Of Power Electronics P2 pptx
... 458-460
of free space, m
0
, 458
relative, m
r
, 458
Phase asymptotes
of complex poles, 279-282
inverted forms, 272
of real pole, 266-268
of real zero, 269
of RHP zero, 270
Phase control
of resonant ... currents, table of, 609
of near-ideal rectifier waveforms, 604-609
Rotation of three-terminal cell, 141-142
Saturation
of inductors, 462, 465-466
of magnetic materials, 45...
Tài liệu Fundamentals of Machine Design P2 ppt
... 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- ...
• 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...
Tài liệu Fundamentals of Robotic Mechanical Systems: Theory, Methods, and Algorithms, Second Edition P2 pdf
... range of a linear transformation L of U into V is the set of vectors
v of V into which some vector u of U is mapped, i.e., the range of L is
defined as the set of v = Lu, for every vector u of U.Thekernel ... position and orientation of the vehicle body.
As a matter of fact, the control of rolling robots bears common features
with that of the redundancy resolution of...
Tài liệu Fundamentals of Machine Design P20 pdf
...
Inner diameter of spring, .
i
D32mm=
3
900 300
40N/mm 40 10 N/m
15
−
===×
Spring rate,
k
Once the value of stiffness is known, then the value of number of active turns, N of
the spring ... 4 6
−
=+=
−
k
So the value of mean shear stress,
and the value of stress amplitude,
Estimation of material properties:
As no specific use of the spring is mentio...
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 ...
• 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...
Tài liệu Fundamentals of Machine Design P22 docx
...
(8.1.1)
Where,
M : Bending moment at the point of interest
d
o
: Outer diameter of the shaft
k : Ratio of inner to outer diameters of the
shaft ( k = 0 for a solid shaft because ... Kamalesh, Design of Machine Elements, Prentice
Hall of India, New Delhi, 2003.
Version 2 ME , IIT Kharagpur
Module
8
Design of Shaft...
Tài liệu Fundamentals of Machine Design P23 pdf
...
Where,
θ = angle of twist
L = length of the shaft
Version 2 ME , IIT Kharagpur
G = shear modulus of elasticity
I
p
= Polar moment of inertia
The limiting value of θ varies from 0.3 ... can be shown that the frequency of free vibration of a non-rotating
shaft is same as its critical speed.
The equation of fundamental or lowest critical speed of a shaft on tw...
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