digital automatic gain control method
Tài liệu Giáo trình kỹ thuật điện: Mạch tự động điều chỉnh độ lợi AGC AUTOMATIC GAIN CONTROL pptx
Ngày tải lên :
15/12/2013, 16:15
... (R - Y) như sau:
Giáo trình kỹ thuật điện
Mạch tự động điều chỉnh độ lợi AGC
AUTOMATIC GAIN CONTROL
Ta dùng 2 Transistor T
1
và T
2
dẫn điện ở 2 thời ... cực yếu và đổi lại khi C yếu thì AGC cho phép
phân cực mạnh. Với màu AGC có tên là ACC (Automatic Color Control) .
hình
Khi qua nhiều mạch, sóng tải phụ đổi pha nên sắc của màu bị sai, ta sửa...
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Báo cáo hóa học: " A Sigma-Delta ADC with Decimation and Gain Control Function for a Bluetooth Receiver in 130 nm Digital CMOS" pdf
Ngày tải lên :
22/06/2014, 22:20
... the
settling requirements of the amplifier. The two-step gain
control increases the overall dynamic range and also relaxes
the automatic gain control burden in the Bluetooth system
Jinseok Koh et ... from the
Bluetooth system requirements, there is a need for an au-
tomatic gain control (AGC) function. Providing some gain
control at the input of the ADC helps distributing the AGC
function between ... successfully implemented and characterized in a 1.5 V
130 nm digital CMOS technolog y. The built-in antialiasing
filter and a two-step gain control are merged into the sam-
pling network. The decimation-by-two...
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Tài liệu PDA Robotics - Using Your Personal Digital Assistant to Control Your Robot ppt
Ngày tải lên :
24/12/2013, 14:16
... Summary of IrDA Data and IrDA Control 31
IrDA’s New Full Range of Digital Information
Exchange via Cordless IR Connections 31
Optional IrDA Data Protocols 33
IrDA Control 33
Windows CE (Pocket ... Parts 15
Microchip MCP2150 IrDA Standard
Protocol Stack Controller 15
Vishay TFDS4500 Serial Infrared Transceiver 17
PIC16F876 Microcontroller 18
L7805ACV Voltage Regulator (5 Volts) 18
L298 ... protects the PDA from any dam-
Chapter 1 / Anatomy of a Personal Digital Assistant (PDA)
3
PDA 01 5/30/03 9:09 AM Page 3
PIC16F876 Microcontroller
This powerful (200 nanosecond instruction execution)...
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Direct control methods for matrix converter and induction motor
Ngày tải lên :
13/05/2014, 00:55
... basics of Direct Torque Control, Direct Current Control
and Sliding Mode Control of matrix converters.
I. INTRODUCTION
In recent years many research results on control
methods for matrix converters ... closed loop
control of a drive system consisting of matrix converter
and induction machine. Slip control and field oriented
control are the basic methods applied for closed loop
control [4]. ... section III the basic ideas of the
three control methods mentioned above will be outlined,
starting with Direct Torque Control and Sliding Mode
Control, as these methods use the same switch
configurations...
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wilhelm burger, mark j. burge - principles of digital image processing. advanced methods
Ngày tải lên :
05/06/2014, 12:06
... Burger and M.J. Burge, Principles of Digital Image Processing: Advanced Methods,
Preface
This is the 3
rd
volume of the authors’ textbook series on Principles of Digital
Image Processing that is ... . . 11
2.1.4 Otsu’smethod 14
2.1.5 Maximumentropythresholding 18
2.1.6 Minimumerrorthresholding 22
2.2 Localadaptivethresholding 30
2.2.1 Bernsen’smethod 30
2.2.2 Niblack’smethod 34
2.3 Javaimplementation ... H.
34 2. Automatic Thresholding
(a) I(u, v) (b) I
min
(u, v) (c) I
max
(u, v)
(d) r =7 (e) r =15 (f) r =30
(g) r =7 (h) r =15 (i) r =30
Figure 2.9 Adaptive thresholding using Bernsen’s method. ...
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báo cáo hóa học: " Locomotor adaptation to a powered ankle-foot orthosis depends on control method" ppt
Ngày tải lên :
19/06/2014, 10:20
... different orthosis control methods. The first orthosis
control method used a footswitch to provide bang-bang control (a kinematic control) and the
second orthosis control method used a proportional ... kinematic/kinetic
orthosis control method, depending only upon the gait
kinematics of the subject and the forces acting on the foot
during gait. The proportional myoelectric control is an
orthosis control method ... using two different
orthosis control methods. The two control methods affect
the relationship of the efferent signal to movement in dif-
ferent ways. In footswitch control the supplied exoskele-
ton...
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Automatic Flight Control Systems Latest Developments Part 15 pot
Ngày tải lên :
20/06/2014, 23:20
...
reconfigurable control techniques has been developed within the framework of the
European GARTEUR Flight Mechanics Action Group FM-AG(16) on Fault Tolerant Control.
Validated against data from the Digital ... analysis of new fault tolerant flight control
system algorithms and integration on simulation platforms for piloted hardware in the loop
Automatic Flight Control Systems – Latest Developments ... within the SUPRA project employs
a unique combination of engineering methods, including the application of validated CFD
methods and innovative physical modeling to capture the major aerodynamic...
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Báo cáo hóa học: " Research Article Pushing it to the Limit: Adaptation with Dynamically Switching Gain Control" docx
Ngày tải lên :
22/06/2014, 23:20
... amplification.
0 1 2 3 4 5
0.5
1
1.5
2
2.5
15
10
5
0
log
10
intensity
Time (t)
Gain G(t)
Figure 5: Dynamics of the “switching” gain control: the same as in
Figure 4, but here the dynamics of the signal ... which
is used for exerting divisive gain control directly on inten-
sity values (cf. Table 1). The lateral connectivity between cells
that form the diffusion layer is controlled by inverse We-
ber contrasts. ... respec-
tively. The model behavior is quite robust against changes
in the damping time constant τ
1
, since this mechanism is
backed up by the signal gain control stage (3). Nevertheless,
variations...
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AUTOMATIC FLIGHT CONTROL SYSTEMS – LATEST DEVELOPMENTS pot
Ngày tải lên :
29/06/2014, 09:20
... earth’s
rotation rate of approximately 15 degrees per hour.
4
Automatic Flight Control Systems – Latest Developments
Automatic Flight Control Systems – Latest Developments
40
Fig. 3. LTI ... Tolerant Flight Control 93
Chapter 4 Adaptive Feedforward Control for Gust Loads Alleviation 95
Jie Zeng, Raymond De Callafon and Martin J. Brenner
Chapter 5 Fault Tolerant Flight Control Techniques ...
Chapter 6 Effects of Automatic Flight Control
System on Chinook Underslung Load Failures 151
Marilena D. Pavel
Chapter 7 Tool-Based Design and
Evaluation of Resilient Flight Control Systems 185...
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Báo cáo y học: "A comparison of foot arch measurement reliability using both digital photography and calliper methods" pdf
Ngày tải lên :
10/08/2014, 21:24
... collected using both methods. AHI values
calculated using the digital photographic method tended to be greater than those derived using the AHIMS.
Conclusion: Digital photographic methods offer equivalent ... reliability
using both digital photography and calliper
methods
Michael B Pohl*
1,2
and Lindsay Farr
2
Abstract
Background: Both calliper devices and digital photographic methods have been used ... digital photographic methods. These
reliability data will provide confirmation as to whether
photographic techniques can calculate AHI with similar
reliability to existing calliper methods.
Methods
Subjects
Twenty...
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Electronics - Digital Control of Switching Power Supply
Ngày tải lên :
27/10/2013, 16:15
... PFC control is the current
industry choice but this type of control is not flexible. Therefore, digital based control has many
advantages with higher performance since the cost of digital controller ... standard for the control of switch mode power supply (SMPS) systems has been
analog control. Now with the advent of high speed, lower cost digital signal processing (DSP) ICs,
digital control there ... boost converter controlled by open-loop control. The duty ratio
PI
D
by closed loop PI control is obtained from the control block diagram which consists of dc
voltage and current controllers...
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Tài liệu EIA-530 Digital Patching Control Platform pptx
Ngày tải lên :
10/12/2013, 17:15
...
EIA-530 Digital Patching Control Platform
www.adc.com ã +1-952-938-8080 ã 1-800-366-3891
The PatchMate digital control platform provides a convenient, organized, and secure method of digital
communication ... ADC's global sales office locations, please refer to our web site.
PatchMate
™
EIA-530 Digital Patching Control Platform
Description
Modules
Patch module with LEDs PMM-614001
– Rear/top (DTE) ... 9/02 ã 528
PatchMate
3
PatchMate
EIA-530 Digital Patching Control Platform
www.adc.com ã +1-952-938-8080 ã 1-800-366-3891
EIA-530 Modules Specifications
PHYSICAL
Dimensions...
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Tài liệu Microcontroller Based Applied Digital Control pdf
Ngày tải lên :
22/12/2013, 21:15
... techniques.
The analysis and design of digital controllers are described in Chapter 9, where various
digital controller algorithms are developed with examples.
After a digital controller is designed, it ... JWBK063-Ibrahim January 4, 2006 18:11 Char Count= 0
Microcontroller Based
Applied Digital Control
i
Microcontroller Based Applied Digital Control D. Ibrahim
C
2006 John Wiley & Sons, Ltd. ... 205
8.7 Exercises 208
Further Reading 211
9 Discrete Controller Design 213
9.1 Digital Controllers 214
9.1.1 Dead-Beat Controller 215
9.1.2 Dahlin Controller 217
JWBK063-01 JWBK063-Ibrahim December...
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