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技术资料 整数变换在VLIW_DSP上的优化与仿真
·摘要：  支持超长指令字(Very Long Instruction Word,VLIW)DSP的应用越来越广泛,而H.264视频压缩算法在向此类DSP平台上移植时,由于程序结构设计不合理、数据结构冗余等原因,导致缓存命中率下降,DSP的利用率降低.因此研究最新的视频压缩算法H.264/AVC在此类DSP上的优化就显得越发重要.文中介绍了VLIW DSP的体系结构特 ...
技术资料 Specifying the Jitter Performance
The question of sample-clock quality is a perennial one for digital audio equipment designers. Yet most chip makers
provide very little information about the jitter performance of their products. Consequently, equipment designers
sometimes get burnt by jitter issues. The increasing use of packet-bas ...
技术书籍 C语言常见问题集_必知的495个问题
1.1 我如何决定使用那种整数类型？
如果需要大数值(大于32, 767 或小于¡32, 767), 使用long 型。否则, 如果空间很重要(如有大数组或很多结构), 使用short 型。除此之外, 就使用int 型。如果严格定义的溢出特征很重要而负值无关紧要, 或者你希望在操作二进制位和字节时避免符号扩展的问题, 请使用对应的无符号类型。但 ...
其他书籍 The ability to write efficient, high-speed arithmetic routines ultimately depends upon your knowled
The ability to write efficient, high-speed arithmetic routines ultimately depends
upon your knowledge of the elements of arithmetic as they exist on a computer. That
conclusion and this book are the result of a long and frustrating search for
information on writing arithmetic routines for real-time ...
Linux/Unix编程 2.0.12 (May 13th, 2004) - Flag driver threads with PF_FREEZE to support software suspend. 2.0.
2.0.12 (May 13th, 2004)
- Flag driver threads with PF_FREEZE to support software suspend.
2.0.11 (May 7th, 2004)
- Avoid split-completion bugs in certain PCI-X chipsets by
breaking up large completion entry DMAs on ADB boundaries.
2.0.10 (April 9th, 2004)
- Return "command timeout" status in ...
其他书籍 Recent advances in experimental methods have resulted in the generation of enormous volumes of data
Recent advances in experimental methods have resulted in the generation
of enormous volumes of data across the life sciences. Hence clustering and
classification techniques that were once predominantly the domain of ecologists
are now being used more widely. This book provides an overview of these
i ...
微处理器开发 The MINI2440 is an effecient ARM9 development board with a comprehensive price, it characterizes sim
The MINI2440 is an effecient ARM9 development board with a comprehensive price, it characterizes simple method and high performance-price ratio. Based on the Samsung S3C2440 microprocessor, it embodies professional stable CPU core power source chip and reset chip to ensure the stability of the syste ...
书籍 3G,+4G+and+Beyond–BRINGING NETWORKS
In recent years, cellular voice networks have transformed into powerful packet-switched
access networks for both voice communication and Internet access. Evolving Universal
Mobile Telecommunication System (UMTS) networks and first Long Term Evolution
(LTE) installations now deliver bandwidths of sev ...
书籍 Microwave+Transmission+Networks
Microwave radio network design is a subset of activities that constitute
the overall transmission network design. Transmission networks are
sometimes called transport networks, access networks, or connectivity
networks. For many wireless carriers, microwave is becoming a popu-
lar preference over wi ...
技术资料 基于Android与单片机的军用重要物资位置监控系统
为了加强军用重要物资及资料监管,以在发生盗窃事故时能够追踪其下落,设计并实现了一款军队重要物资位置监控系统。该系统由平板安卓端和单片机端组成,其中单片机端包括STC89C52芯片、GPS模块、GSM模块以及蓝牙模块。系统可以实现物品远近距离结合的物资位置管理功能:在近距离用蓝牙实现监控,在远距离利用GPS发送定位信息。结 ...