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After the successful global introduction during the past decade of the second generation (2G) digital
mobile communications systems, it seems that the third generation (3G) Universal Mobile Communication
System (UMTS) has finally taken off, at least in some regions. The plethora of new services that
are expected to be offered by this system requires the development of new paradigms in the way scarce
radio resources should be managed. The Quality of Service (QoS) concept, which introduces in a natural
way the service differentiation and the possibility of adapting the resource consumption to the specific
service requirements, will open the door for the provision of advanced wireless services to the mass
market.
標簽：
the
introduction
successful
generation
上傳時間：
2013-12-30
上傳用戶：qq21508895
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The TMS320C54x, TMS320LC54x, and TMS320VC54x fixed-point, digital signal processor (DSP) families
(hereafter referred to as the ’54x unless otherwise specified) are based on an advanced modified Harvard
architecture that has one program memory bus and three data memory buses. These processors also provide
an arithmetic logic unit (ALU) that has a high degree of parallelism, application-specific hardware logic, on-chip
memory, and additional on-chip peripherals. These DSP families also provide a highly specialized instruction
set, which is the basis of the operational flexibility and speed of these DSPs.
標簽：
TMS
320
fixed-point
processor
上傳時間：
2013-12-27
上傳用戶：宋桃子
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The TMS320LF240xA and TMS320LC240xA devices, new members of the TMS320C24x generation of
digital signal processor (DSP) controllers, are part of the TMS320C2000 platform of fixed-point DSPs. The
240xA devices offer the enhanced TMS320 DSP architectural design of the C2xx core CPU for low-cost,
low-power, and high-performance processing capabilities. Several advanced peripherals, optimized for digital
motor and motion control applications, have been integrated to provide a true single-chip DSP controller. While
code-compatible with the existing C24x DSP controller devices, the 240xA offers increased processing
performance (40 MIPS) and a higher level of peripheral integration. See the TMS320x240xA Device Summary
section for device-specific features.
標簽：
TMS
320
generation
240
上傳時間：
2013-12-16
上傳用戶：GavinNeko
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This paper addresses the subject of SQL Injection in a Microsoft SQL Server/IIS/Active
Server Pages environment, but most of the techniques discussed have equivalents in other
database environments. It should be viewed as a "follow up", or perhaps an appendix, to
the previous paper, "Advanced SQL Injection".
The paper covers in more detail some of the points described in its predecessor, providing
examples to clarify areas where the previous paper was perhaps unclear. An effective
method for privilege escalation is described that makes use of the openrowset function to
scan a network. A novel method for extracting information in the absence of helpful
error messages is described the use of time delays as a transmission channel. Finally, a
number of miscellaneous observations and useful hints are provided, collated from
responses to the original paper, and various conversations around the subject of SQL
injection in a SQL Server environment.
標簽：
Server
SQL
Injection
Microsoft
上傳時間：
2014-07-28
上傳用戶：xhz1993
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MATLAB是一個非常好的用于測量，分析和可視化的數據，控制儀器，并建立測試系統。安捷倫信號和頻譜分析儀可讓您分析失真，虛假的，相位噪聲，用于2G到4G無線通信測量。這種Matlab下開發的高級數據可視化（ADV）的應用軟件，擴展了安捷倫信號和頻譜分析儀的可視化功能，提供了四個不同的顯示格式：Analog Advanced, Analog Plus, Waterfall,和Spectrogram。這些顯示使得更加容易捕獲間歇性信號。
標簽：
MATLAB
測量
上傳時間：
2016-12-24
上傳用戶：zhaoq123
-
Design of Integrated Circuits for Optical Communications deals with the design of high-speed integrated circuits for optical communication systems. Written for both students and practicing engineers, the book systematically takes the reader from basic concepts to advanced topics, establishing both rigor and intuition. The text emphasizes analysis and design in modern VLSI technologies, particularly CMOS, and presents numerous broadband circuit techniques. Leading researcher Behzad Razavi is also the author of Design of Analog CMOS Integrated Circuits.
標簽：
Communications
Integrated
high-speed
Circuits
上傳時間：
2013-12-21
上傳用戶：zhouchang199
-
These are P-Channel enhancement mode silicon gate
power fi eld effect transistors. They are advanced power
MOSFETs designed, tested, and guaranteed to withstand a
specifi ed level of energy in the breakdown avalanche mode
of operation. All of these power MOSFETs are designed for
applications such as switching regulators, switching
converters, motor drivers, relay drivers and drivers for other
high-power switching devices. The high input impedance
allows these types to be operated directly from integrated
circuits.
標簽：
enhancement
transistors
P-Channel
are
上傳時間：
2017-02-17
上傳用戶：aeiouetla
-
Learn about the design tradeoffs involved in creating Windows CE .NET operating system (OS) solutions for hardware that implements one of many nonvolatile storage technologies. Different storage technologies, such as NAND and NOR flash memory, masked ROM, and electromechanical Advanced Technology Attachment (ATA) or Integrated Drive Electronics (IDE) storage, impose design constraints and create opportunities for the software environment. (30 printed pages)
標簽：
operating
tradeoffs
creating
involved
上傳時間：
2014-01-11
上傳用戶：181992417
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What I am trying to introduce here is a full fledged Java Instant messenger, which has all the features supplied by commercial messengers like Yahoo or MSN. Although it cannot compared to be in par with those messengers, it is an attempt by me to learn Advanced Java and JNI concepts. The challenges I faced here were often overcome by referring to numerous sites, which nearly zeroes in or completely solved the issues I faced at that point of time. It improved my learning curve and also believe would do the same to you too. Ofcourse, there are some bugs and glitches, which I hope you would excuse. Thanks to anyone who takes the pain to report them or even suggest better way of doing things to me.
標簽：
introduce
messenger
Instant
fledged
上傳時間：
2014-12-05
上傳用戶：電子世界
-
pccard driver s3c2440.The S3C2440A offers outstanding features with its CPU core, a 16/32-bit ARM920T RISC processor designed by
Advanced RISC Machines, Ltd. The ARM920T implements MMU, AMBA BUS, and Harvard cache architecture
with separate 16KB instruction and 16KB data caches, each with an 8-word line length.
標簽：
outstanding
S3C2440A
features
pccard
上傳時間：
2013-12-24
上傳用戶：lizhen9880
