通信处理器

In addition, AMD executives will sign an agreement with the Chinese Ministry of Education to donate Rmb 6 million (approximately US$750,000) during the next three years to extend the deployment of information technology supporting primary education in underdeveloped areas of middle and western China.

科技部副部长马颂德说： AMD公司此次转让的是基于X86的低功耗微处理器核心技术。X86技术是世界上几乎所有个人电脑中央处理器的应用平台，也在网络、通信、和消费电子产品中广泛应用。AMD作为全球领先的微处理器厂商，此次向中国科研机构提供的技术，使中国在自主设计微处理器芯片时，能集成成熟的X86技术，大大缩短开发周期，也能使芯片与当前主流应用紧密结合。

VTT, sometimes referred to in the Basic Input/Output System as the FSB Termination Voltage, provides the low level signaling bias needed for the processors, chipsets, and all other devices on the bus to communicate.

VTT，有时在基本输入/输出系统中被称为FSB终结电压，提供处理器、芯片集以及所有其他总线设备通信所必须的低级别信号偏移。

The Blackfin processor and its extends the product are suit to the application which require lower power dissipation, the high performance, the low cost, and the high operation ability and application of quite high audio frequency, video frequency and communication system.

Blackfin处理器及其延伸产品适合在功耗、性能、成本和运算能力等综合要求比较高的音频、视频和通信领域的应用。

Secondly, the platform of IPTV set-top box named DM6446 is introduced, and then the AVS video coding standard which is implemented as the video coding standard of IPTV is introduced. The kernel architecture, peripheral devices of DM6446 and the key technique of AVS video coding such as transformation, quantization, intra-prediction, inter-prediction, interpolation, and loop filter is introduced in detail. Thirdly, the system procedures of set-top box which are implemented on the ARM side of DM6446 are introduced in detail. This part focuses on the demultiplex of audio and video data, the design of data interface, the playback of audio and video, and the communication between ARM and DSP. Fourthly, the loop filter algorithm of AVS video coding standard is introduced in full detail, and the optimized procedures of the algorithm on the DSP side of DM6446 are introduced, and then the optimized results are presented. Fifthly, the thesis introduces and analyzes the state-of-art technique of deblocking filter, and proposes a deblocking method, and then the results of proposed method are given. Finally, summarize of this thesis and further development is given.

首先对IPTV技术、视频编解码技术以及去块滤波技术做了简要介绍；然后介绍了IPTV机顶盒的实现平台DM6446，并介绍了该处理器的外围接口和内核结构，同时介绍了作为本IPTV系统视频标准的AVS第二部分视频标准，以及该标准中变换量化、帧内预测、帧间预测、插值和环路滤波等多个模块的算法；接着，详细介绍了机顶盒系统相应程序在DM6446 ARM核上的实现，重点介绍了音视频系统码流的解复用、数据接口设计、音视频的播放以及ARM核与DSP核之间的通信；然后，详细介绍了AVS视频标准中环路滤波算法及该算法在DM6446 C64+内核上的优化，并给出优化结果；然后对去块滤波算法进行了研究并提出了一种环路滤波方案，同时给出了此方案的实验结果；最后总结了本文的工作，并提出了可以改进的方向。

For this reason, it is mounting fibre-optic cables straight onto the chips that direct the traffic between a supercomputer's multiple processors.

因此，越来越多的光纤电缆直接应用到芯片上以建立超级计算机多处理器间的直接通信。

The fast Fourier transform processor is the key to digital signal processing and telecommunication systems.

快速傅里叶变换处理器是大多数数字信号处理和数字通信系统的关键部件。

This paper based on the author's practical development experiences, details some important elements desiring consideration in the dual-processors mobile terminal system integration in physical layer such as how to choose the system architecture,how to inter-connect so many chips with perfect power group organization and interface power level deployment and also some basic low-level communication protocols between master processor and co-processor or other blocks.

本论文基于作者在移动终端研发领域的实际开发经验，详细的阐述和探讨了双处理器架构移动终端系统物理层集成时要考虑的很多因素，如系统架构的选择，芯片互联时的一系列物理层通信协议，芯片互联时电气特性的匹配要求和系统电源系统的配置等问题，其中互连协议是很关键的因素。

The CDAS realtime telemetry and attitude determination system of meteorological satellite FY2 is a system of multifunction long life time and high reliability ,based on multiprocessor concurrent processing and multilevel faulttolerant architecture.It implements integrally realtime processing of analog telemetry including demodulation of accurate sun pulse,realtime determination of satellite's attitude,coding telemetry demodulation and realtime data processing,satelliteground loop simulation test,a...

介绍了风云二号卫星指令与数据获取站实时遥测定姿系统，该系统是一个采用多级容错、多处理器并发运行体系结构，统一实现包括精太阳脉冲解调在内的模拟遥测信号实时处理、卫星姿态实时确定、编码遥测信号解调和数据实时处理、卫星星－地回路仿真测试及系统大容量数据、图形、字符实时处理、通信、记录等多功能、长寿命、高可靠实时遥测定姿系统。

It concludes that the topology of the multiprocessor architecture and the fan in of processor have little effective.

在神经网络的并行实现中，处理器的通信开销是一个主要的限制因素。

An effective method is presented in this paper to deal with the difficulties of carrier tracking and chip synchronization in spread spectrum communications with high processing gain.

针对高增益的扩频通信系统中载波恢复跟踪和码片同步的难点，提出了一种有效的方法，并基于TI公司的数字信号处理器TMS 32 0F 2 4 0 ，对高增益的扩频通信的关键技术进行了实现。

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里，举止就文雅一些，因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计，这件高贵的制服是香港本土制造，是我们第一套不配帽子的制服。