radio engineering electronics and telecommunications
Environmental engineering Dictionary and Directory
Ngày tải lên :
08/10/2012, 14:44
... environmental engineering and
environmental science, and the definitions provided relate to their use in an envi-
ronmental context only.
The commercial terms represent company brand names or trademarks, and ... herbicides, and
pesticides.
agricultural pollution Farming wastes, including runoff and leaching of pesti-
cides and fertilizers; erosion and dust from plowing; improper disposal of
animal manure and ... acquisitions. This led to an expanded directory entitled,
The Dictionary of Water and Wastewater Treatment Trademarks and Brand Names
,
published in 1991, and which contained 1200 commercial...
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Bài 8. Postal and telecommunications service
Ngày tải lên :
24/06/2013, 01:27
... experiences and opinions so
quickly and easily if there weren’t Internet
connectivity. The Internet has really made big changes
in the way many people live and work.
D
c) Read the text again and ... information search, and
entertainment. Businesses use the Internet for
advertising and electronic commerce.
Organizations use the Internet for
teleconferencing and telecommuting. Media and
entertaining ... long distance, far.
Telecommunications /,telikə,mju:ni'kei∫nz/
= telecoms (informal): the technology of
sending signals, images and messages over
long distances by radio, telephone, television,...
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Electronics and Circuit Analysis Using MATLAB P1
Ngày tải lên :
23/10/2013, 16:15
... obtain the dot product and the vector product
of two vectors a and b. Use the function to evaluate the dot and
vector products of vectors x and y, where x = (1 5 6) and
y = (2 3 8).
1.4 ... sensitive in naming variables, commands and functions.
Thus b and B are not the same variable. If you do not want MATLAB to be
case sensitive, you can use the command
casesen off
To obtain ... sign and the function name. The
© 1999 CRC Press LLC
© 1999 CRC Press LLC
1.6 M-FILES
Normally, when single line commands are entered, MATLAB processes the
commands immediately and...
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Electronics and Circuit Analysis Using MATLAB
Ngày tải lên :
27/10/2013, 23:15
... electrical and electrical engineering technology students and
professionals who want to use MATLAB to explore the characteristics of
semiconductor devices and the application of MATLAB for analysis and ... obtain the dot product and the vector product
of two vectors a and b. Use the function to evaluate the dot and
vector products of vectors x and y, where x = (1 5 6) and
y = (2 3 8).
1.4 ... the commands
loglog, semilogx, and semilogy. The use of the above plot commands is
similar to those of the plot command discussed in the previous section. The
description of these commands are...
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Electronics and Circuit Analysis Using MATLAB P3
Ngày tải lên :
27/10/2013, 23:15
... =
3.4 INPUT/OUTPUT COMMANDS
MATLAB has commands for inputting information in the command window
and outputting data. Examples of input/output commands are echo, input,
pause, keyboard, ... 86, 77, 45,
67, 88, 64, 79, 75, 92, and 69
(a) Determine the number of students who attained the grade of A
and F.
(b) What are the mean grade and the standard deviation?
3.5 Write a ... identity matrix
and
disp(eye(3,3))
will result in
1 0 0
0 1 0
0 0 1
Echo
The echo command can be used for debugging purposes. The echo command
allows commands to be viewed...
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- 0
Electronics and Circuit Analysis Using MATLAB P2
Ngày tải lên :
27/10/2013, 23:15
... erased. The
hold command holds the current plot on the screen, and inhibits erasure and
rescaling. Subsequent plot commands will overplot on the original curves.
The hold command remains in effect ... effect until the command is issued again.
When a graph is drawn, one can add a grid, a title, a label and x- and y-axes
to the graph. The commands for grid, title, x-axis label, and y-axis label ...
2.3 LOGARITHMIC AND POLAR PLOTS
Logarithmic and semi-logarithmic plots can be generated using the commands
loglog, semilogx, and semilogy. The use of the above plot commands is
similar...
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Electronics and Circuit Analysis Using MATLAB P6
Ngày tải lên :
06/11/2013, 09:15
... power and quadrature
power. Three-phase circuits are analyzed by converting the circuits into the
frequency domain and by using the Kirchoff voltage and current laws. The un-
known voltages and ... determination of
the rms value and the average power. MATLAB has two functions, quad and
quad8, for performing numerical function integration.
6.1.1 MATLAB Functions quad and quad8
The quad ... t
() cos( )
=+
10 120 30
0
π
and
it t
() cos( )
=+
6 120 60
0
π
. Determine the average power, rms value of
vt
()
and the power factor using (a) analytical solution and (b) numerical so-
lution....
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- 0
Electronics and Circuit Analysis Using MATLAB P5
Ngày tải lên :
06/11/2013, 09:15
...
yt
yt
yt
yt
n
()
()
()
.
.
()
=
1
2
and
A, B, C
, and
D
are matrices determined by constants of a system.
For example, consider a single-input and a single-output system described by ... charging and discharging curves.
Figure 5.4 Charging and Discharging of a Capacitor with Different
Time Constants
© 1999 CRC Press LLC
© 1999 CRC Press LLC
[]
C =
1000
and ... K
123
10
=== Ω
,
CC F
12
5
==
µ
,
and
L
= 10 H, find and plot
the voltage
vt
0
()
within the intervals of 0 to 5 s.
Solution
Using the element values and Equations (5.36) to (5.38), we...
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Electronics and Circuit Analysis Using MATLAB P4
Ngày tải lên :
06/11/2013, 09:15
... CRC PRESS LLC
% given the admittance matrix Y and current vector I
% Y is the admittance matrix and I is the current vector
% initialize matrix y and vector I using YV=I form
Y = [ 0.15 -0.1 ... the matrix
Z
The matrix left and right divisions can also be used to obtain the loop currents.
Thus, the current I can be obtained by the MATLAB commands
I
V
Z
=
(4.20)
or
... 4.3. Example 4.4 illustrates the use of KVL and MATLAB to
solve loop currents.
Example 4.4
Find the power dissipated by the 8 Ohm resistor and the current supplied by
the 10-volt source....
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Tài liệu Electronics and Circuit Analysis Using MATLAB P12 pdf
Ngày tải lên :
13/12/2013, 01:15
... CRC Press LLC
and
III
CFFR
=−
α
(12.3)
II I
EFRR
=− +
α
(12.4)
and
()()
III
BFFRR
=− +−
11
αα
(12.5)
where
I
ES
and
I
CS
are the base-emitter and base-collector ...
reference and output currents for the
β
F
from 40 to 200. Assume that for
both figures,
VV
CC
=
10 ,
RK
C
=
50
Ω
and
VV
BE
=
07
Solution
We use Equation (12.50) to calculate
I
R
and ... for the simple current
mirror and Wilson current source.
Figure 12.12 Percentage Error between Reference and Output
Currents for Simple Current Mirror and Wilson
Current Source
...
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Tài liệu Electronics and Circuit Analysis Using MATLAB P11 doc
Ngày tải lên :
13/12/2013, 01:15
... function. (b) Use MATLAB to
find the poles and zeros. ( c ) Plot the magnitude and phase response, assume
that
C
1
= 0.1uF,
C
2
= 1000 0.1uF,
R
1
= 10KΩ, and
R
2
= 10 Ω.
V
o
V
in
R
2
R
1
V
1
C
1
C
2
... Figure 11.12, if the open-loop gain is 106,
R
2
= 24K, and
R
1
= 1K, plot the frequency response for a unity gain
bandwidth of
10 10
67
,,
and
10
8
Hz.
11.5 For the inverting amplifier, ...
Substituting Equations (11.14) and (11.15) into Equation (11.16) we have
© 1999 CRC Press LLC
© 1999 CRC Press LLC
Attia, John Okyere. “Operational Amplifiers.”
Electronics and Circuit Analysis...
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Tài liệu Electronics and Circuit Analysis Using MATLAB P10 ppt
Ngày tải lên :
13/12/2013, 01:15
... the conduction band
E
V
= energy in the valence band
and
k, T, m
n
*
and
m
p
*
were defined in Section 10.1.
In an intrinsic semiconductor (Si and Ge)
m
n
*
and
m
p
*
are ... direct band gap semiconductor.
The energy levels of the outer electrons form energy bands. In insulators, the
lower energy band (valence band) is completely filled and the next energy
band (conduction ...
band (conduction band) is completely empty. The valence and conduction
bands are separated by a forbidden energy gap.
energy of electrons
conduction band
1.21 eV gap
valence band
energy of electrons
conduction...
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- 0
Tài liệu Electronics and Circuit Analysis Using MATLAB P9 docx
Ngày tải lên :
13/12/2013, 01:15
... approaches for solving
I
D
and
V
D
.
In one approach,
Equations (9.10) and (9.11) are plotted and the intersection of the linear curve
of Equation (9.10) and the nonlinear curve of Equation ... 10V, and the
reverse saturation current of the diode is 10
-12
A and
n
= 2.0. (Assume a
temperature of 25
o
C.)
(a) Use MATLAB to plot the diode forward characteristic curve and the ...
The diode current and voltage will be related by the diode equation
iIe
DS
vnV
DT
=
(/ )
(9.11)
Equations (9.10) and (9.11) can be used to solve for the current
I
D
and volt-
age
V
D
.
...
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Tài liệu Electronics and Circuit Analysis Using MATLAB P8 ppt
Ngày tải lên :
13/12/2013, 01:15
... T
p
() ( )
=±
(8.1)
and in any finite interval
gt
()
has at most a finite number of discontinuities
and a finite number of maxima and minima (Dirichlets conditions), and in
addition,
... 8.1. If
gt
()
is continuous and non-
periodic, then
Gf
()
will be continuous and periodic. However, if
g(t)
is
continuous and periodic, then
Gf
()
will discrete and nonperiodic; that is
...
a
n
and
b
n
of Equations (8.5) and (8.6)
by the expression
cab
b
a
nnn
n
n
=+∠−
−
1
2
22 1
tan ( )
(8.16)
In addition,
c
n
relates to
A
n
and
φ
n
of Equations (8.8) and (8.9)...
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- 0
- english electronics and telecommunications industries
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- electrical engineering and telecommunications unsw
- electronic engineering and telecommunications
- international journal of electrical and electronic engineering and telecommunications
- international journal of electrical electronics and telecommunication engineering impact factor
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