查询词典 dsp

In addition, algorithms used in PBE were discussed in details, including International Data Encryption Algorithm, Advanced Encryption Standard of U.S., safe Hash function named SHA-1, Pseudo Random Number Generator.The modes of operation in blok cipher,such as Electronic Code Book, Cipher Block Chaining, Cipfertext Feedback and Output Feedback,are described in the thesis.

采用DSP TMS320C5409汇编语言编制了以上各种算法，在DSP上实现了一个口令加密系统，数据加密速度达到3Mb/s以上，并实现密钥的安全管理，能满足个人PC机脱离主CPU加密大量数据的需要。

In this paper, firstly, some basic signal process are discussed, such as signal fil...

论文中首先对语音信号的基本处理问题进行了分析和对比，然后在自己设计的基于TMS320VC5402的DSP实际系统上，进行了语音处理过程的滤波、采样、傅立叶变换和谱包络提取的算法实现研究，讨论了在算法的DSP实现方法，分析了运行实验结果。

The development direction changed direction according to the four-wheeler, the domestic and international company changes direction organization to control to the four-wheeler currently main adoption of is a numeral control, this is owing to a lot of advantages of numerical control:the procedure turn a control, the controller carries on the processing of operation and numerical information according to the control regulation designed, mainly passing procedure to carry out, if change control regulation need to change software, but need not change the hardware structure of system: control the accuracy is high, in the emulation the control the system, the accuracy of the controller from the accuracy of the component but settle, numerical controller accuracy from word long decision;Stability good;The software replies to use, needing a hardware environment of using the homology realization in the emulation the system, the numerical controller is a procedure control, the sub- procedure mold piece which need to be designed and write to carry out its model, can immediately carry out several links of functions expediently.

目前各个厂家大多采用的是PLC、单片机应用于四轮转向控制器中，功能基本能够实现，相比较之下，信号处理能力较强的数字信号处理器各方面均性能优于以上三种处理器。DSP是新世纪数字化革命的核心。它是一种独特的微处理器，具有可编程性，且实时运行速度远远超过通用微处理器。强大的数据处理能力和高速的运行速度，是DSP最值得称道的两大特色。DSP芯片是一种特别适合进行数字信号处理的微处理器。它强调运算处理的实时性，因此除了具备普通微处理器所强调的高速运算和控制功能外，主要针对实时数字信号处理，在处理器结构、指令系统和数据流程上做了很大的改动。它具有灵活、精确、可靠性好、体积小、功耗低和易于大规模集成等优点。

It implements the operation of timing and comparing, the input signal processing of Holl current sensor and photoelectric encoder of increm

论文重点分析了PI控制算法基于DSP的程序实现，同时实现了基于DSP的直流电动机控制。

The task of this project is to design a hardware platform for radar video simulation and calculate the pulse-compression video signal of linear frequency modulation radar system.

在深入分析了线性调频脉冲压缩信号产生过程和特性的基础上，结合16位定点DSP——TMS320C5402的硬件结构和指令系统的特点，编写了定点DSP程序，并对程序的计算量和计算结果进行了分析，表明算法的速度和精度都可以满足系统的要求。

To speed up the coding process, the optimization and parallelization of the DSP codes are performed with respect to the DM642 DSP chip and the multi-DSP board, MEX.

针对DM642数位处理晶片，我们提出平行化的方法，并且也对具有多颗数位讯号处理晶片的MEX系统做平行化的处理。

DSP provides an excellent planform for speech compression technology development. Telecommunication Standardization Sector of International Telecommunication Union proposed G.729A as a kind of high quality and low rate speech coding solution in 1996. TMS320C6711 is an advanced floating-point DSP, which is released by Texas Instrument.

数字信号处理器为语音压缩技术的发展提供了良好的实现平台。G.729A是国际电信联盟于1996年底推出的高质量低码率的语音压缩方案，TMS320C6711是TI 公司推出的高性能浮点数字信号处理器。

This paper presents a design method of an off-line portable scanner, which can be used without computer. We discuss the system based on a synchronous Digital Signal Processor with multicenter, which is used to gather data with high speed. TIs TMS320VC5402 is a sixteen-bit fix processor, and we make it the core of our control system. Because it can not only handle data with high speed but also manipulate the data by abundant arithmetic/logic operations and determine the results of processing which can be output quickly as images.

本文提出了一种能够脱机使用的便携式扫描仪的设计思想，论述了高速多通道同步DSP数据采集系统，以高性能的TMS320VC5402十六位定点DSP为核心，充分利用其强大而高速的数据处理能力对采集的数据进行复杂的运算，并快速以图形方式输出处理结果。

Sample configurations are 1 AC, 1 Hiper NMC, 1 Hiper ARC, 2 PRI DSPs,-OR- 2 AC, 1 Hiper NMC, 2 Hiper ARC, and 8 PRI DSPs,-OR- 2 AC, 1 Hiper NMC, 2 Hiper ARC, and 14 PRI DSPs.

样品配置1交流，1艾泰NMC，1艾泰弧，2革命制度党的DSP，或- 2交流，1艾泰NMC，2艾泰电弧，革命制度党的DSP和8，或- 2交流，1艾泰NMC，2艾泰弧，革命制度党的DSP和14。

The experiment results show DSCF can decrease the miss ratio of cache coherence accesses and improve the system performance effectively.4 To optimize the memory hierarchies on heterogeneous multi-core DSPs, a fast close-coupled shared scratchpad storage technique for small scale multi-core DSPs is proposed and corresponding model, FCC-SDP is constructed.

实验结果表明，DSCF技术有效降低了Cache一致性失效率，提高了共享存储多核DSP的计算性能，总体性能优于已有的Koufaty方法和Wenisch方法。4为了优化异构多核DSP的片上存储层次，提出了一种适用于小规模多核DSP的快速共享便笺存储技术，并构建了其结构模型FCC-SDP。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失