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After an introduction to the history of mobile communications, this guide considers the basics of mobile radio, the design of cellular and private radio systems, and issues of interworking with the fixed network. It then looks at the role of the mobile radio operator, the design and operation of mobile radio networks, the needs of large user groups, and relevant regulatory and government decisions. A final section focuses on career development through resolution of conflicts, understanding managerial issues, and professional vehicles.
標(biāo)簽：
communications
introduction
considers
the
上傳時(shí)間：
2016-06-24
上傳用戶：nanshan
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The CD Audio sample allows some non-SCSI2 CD ROMs to support audio operations by intercepting the relevant audio ioctls and translating them into the command block(s) expected by the non-compliant cdroms. It supports Plug and Play and Power Management, and is 64-bit compliant.
No INF file is needed to install this driver.
標(biāo)簽：
intercepting
operations
non-SCSI
support
上傳時(shí)間：
2014-08-17
上傳用戶：pkkkkp
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PRINCIPLE: The UVE algorithm detects and eliminates from a PLS model (including from 1 to A components) those variables that do not carry any relevant information to model Y. The criterion used to trace the un-informative variables is the reliability of the regression coefficients: c_j=mean(b_j)/std(b_j), obtained by jackknifing. The cutoff level, below which c_j is considered to be too small, indicating that the variable j should be removed, is estimated using a matrix of random variables.The predictive power of PLS models built on the retained variables only is evaluated over all 1-a dimensions =(yielding RMSECVnew).
標(biāo)簽：
from
eliminates
PRINCIPLE
algorithm
上傳時(shí)間：
2016-11-27
上傳用戶：凌云御清風(fēng)
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MySQL claims to be the world s most popular open source database, and with good
reason. It is free, runs on a wide variety of platforms, is relatively simple, easy to
configure and performs well even under significant load. By comparison to some other
popular database management systems, configuring it is quite simple, but there are still a
sufficiently wide variety of security-relevant configuration issues to make securing it a
challenge.
標(biāo)簽：
database
popular
claims
source
上傳時(shí)間：
2016-12-13
上傳用戶：王者A
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Master the essentials of concurrent programming,including testing and debugging
This textbook examines languages and libraries for multithreaded programming. Readers learn how to create threads in Java and C++, and develop essential concurrent programming and problem-solving skills. Moreover, the textbook sets itself apart from other comparable works by helping readers to become proficient in key testing and debugging techniques. Among the topics covered, readers are introduced to the relevant aspects of Java, the POSIX Pthreads library, and the Windows Win32 Applications Programming Interface.
標(biāo)簽：
programming
essentials
concurrent
debugging
上傳時(shí)間：
2013-12-20
上傳用戶：fxf126@126.com
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This code outputs various NMEA strings to a com port. The code was
originally used to test naviation programmes.
First select the required com port and the required NMEA message string.
There is a default starting position but this can be changed to suit just by typing
in a new position.
Click on the Start button the current position displayed will change according
to the speed and heading selected and the selected NMEA string will be output to the com port
and will reflect the current position as displayed.
There is a text box which is normally not visible. If you change this to visible the relevant
NMEA string can be displayed.
標(biāo)簽：
code
originally
outputs
naviati
上傳時(shí)間：
2013-11-30
上傳用戶：熊少鋒
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This material is not only up-to-date, it defines up-to-date. It is truly cutting-edge. As the only book on the subject, Rootkits will be of interest to any Windows security researcher or security programmer. It s detailed, well researched and the technical information is excellent. The level of technical detail, research, and time invested in developing relevant examples is impressive.
標(biāo)簽：
up-to-date
only
cutting-edge
material
上傳時(shí)間：
2017-07-09
上傳用戶：comua
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This book provides the reader with the basics in radio engineering,
the techniques needed to generate, control, detect, and use radio waves. The
text approaches the relevant problems both from the electromagnetic theory
based on Maxwell抯 equations and from the circuit theory based on Kirchoff
and Ohm抯 laws. Brief introductions to the electromagnetic theory as well
as to the circuit theory are provided. Besides passive transmission lines and
components, active RF circuits are also addressed.
標(biāo)簽：
the
engineering
techniques
provides
上傳時(shí)間：
2014-01-17
上傳用戶：rocketrevenge
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This report presents a tutorial of fundamental array processing and beamforming theory relevant to microphone array speech processing. A microphone array consists of multiple microphones placed at different spatial locations. Built upon a knowledge of sound propagation principles, the multiple inputs can be manipulated to enhance or attenuate signals emanating from particular directions. In this way, microphone arrays provide a means of enhancing a desired signal in the presence of corrupting noise sources. Moreover, this enhancement is based purely on knowledge of the source location, and so microphone array techniques are applicable to a wide variety of noise types. Microphone arrays have great potential in practical applications of speech processing, due to their ability to provide both noise robustness and hands-free signal acquisition.
標(biāo)簽：
Microphone array
Tutorial
Array Signal Processing
上傳時(shí)間：
2016-06-12
上傳用戶：halias
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The current methods of communications are becoming less relevant under
today’s growing demand for and reliance on constant connectivity. Of
decreasing relevance are the models of a single radio to perform a single
task. The expansion of wireless access points among coffee shops, airports,
malls, and other public arenas is opening up opportunities for new services
and applications.
標(biāo)簽：
Intelligence
Artificial
上傳時(shí)間：
2020-05-26
上傳用戶：shancjb
