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技术资料 自适应多码率编码器
·In this paper, we describe the Adaptive Multi-Rate (AMR)speech coder currently under standardization for GSM systemsas part of the AMR speech service. The coder is a multi-rateACELP coder with 8 modes
技术资料 IEC 60601-1-2电磁兼容标准文件 192页
Medical electrical equipment –Part 1-2: General requirements for basic safety and essential performance Collateral Standard: Electromagnetic disturbances Requirements and tests1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
all natio ...
书籍 Wireless+Networking+Complete
This chapter provides extensive coverage of existing mobile wireless technologies. Much of the
emphasis is on the highly anticipated 3G cellular networks and widely deployed wireless local
area networks (LANs), as the next-generation smart phones are likely to offer at least these two
types of conne ...
通讯编程文档 The Point-to-Point Protocol (PPP) for the Transmission of Multi-protocol Datagrams over Point-to-
The Point-to-Point Protocol (PPP)
for the
Transmission of Multi-protocol Datagrams
over Point-to-Point Links
Status of this Memo
This RFC specifies an IAB standards track protocol for the Internet
community, and requests discussion and suggestions for improvements.
Please refer to the current editio ...
软件工程 For a programming language, Fortran has been around a long time. It was one of the first widely use
For a programming language, Fortran has been around a long time. It was one
of the first widely used 鈥渉igh-level鈥?languages, as well as the first
programming language to be standardized. It is still the premier language for
scientific and engineering computing applications.
The purpose of this ha ...
书籍 SAE and the Evolved Packet Core
The outcome of the 3GPP SAE (system architecture evolution) technical study
and specification work is a set of standards that specifies the evolution of the
packet core network for GSM/GPRS and WCDMA/HSPA to an all-IP architec-
ture and enables a feature-rich ‘common packet core’ for radio accesse ...
书籍 The+LTE-SAE+Deployment+Handbook
Long-TermEvolution(LTE)isarguablyoneofthemostimportantstepsinthecurrentphaseof
the development of modern mobile communications. It provides a suitable base for enhanced
services due to increased data throughput and lower latency figures, and also gives extra
impetus to the modernization of telecom a ...
压缩解压 DIGITAL IMAGERY is pervasive in our world today. Consequently, standards for the efficient represen
DIGITAL IMAGERY is pervasive in our world today. Consequently,
standards for the efficient representation and
interchange of digital images are essential. To date, some of
the most successful still image compression standards have resulted
from the ongoing work of the Joint Photographic Experts
Grou ...
书籍 Mobile WiMAX Toward Broadband Wireless
Wireless metropolitan area networks (WirelessMANs) is emerging as a promising
broadband wireless access (BWA) technology to provide high-speed, high bandwidth
efficiency and high-capacity multimedia services for residential as well as enterprise
applications. It is observed that WirelessMAN (e.g., W ...
其他书籍 This handbook presents a thorough overview in 45 chapters from more than 100 renowned experts in the
This handbook presents a thorough overview in 45 chapters from more than 100 renowned experts in the field. It provides the tools to help overcome the problems of video storage, cataloging, and retrieval, by exploring content standardization and other content classification and analysis methods. The ...