数字信号处理器

Combined with the latest development of modern technology of power electronics and digital signal processing, the power supply reseached in the thesis is based on DSP processor and IGBT-a high speed and large power convector. Its work frequency increases to 20kHz and its control is in full digital method.

本文结合现代电力电子技术以及数字信号处理技术的最新发展，采用数字信号处理器作为控制核心，高速大功率开关器件IGBT作为逆变器功率器件，将该除尘电源的工作频率提高到20kHz，并实现了对该电源的全数字化控制。

The history of digital signal processing and the digital signal processor is reviewed.

文章简要介绍了"数字信号处理"与"数字信号处理器"的发展历史。

On the basis of 16 bit digital signal processing TMS320VC5402, the system of speech information sampling is designed and the memory of digital speech signal is realized. The design of hardware and the program flow chart of the system are proposed.

在研究数字信号处理的基础上，实现基于16 bit数字信号处理器TMS320VC5402的语音信号采集和数字信号扩展存储系统，给出了系统硬件设计和软件流程图。

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。

This dissertation introduces the developmental status of the LLL processing technology research and the history of the development of DSP.

论文介绍了微光图像处理技术的发展状况，结合高速数字信号处理器的发展历史，在对基于高速数字信号处理器的微光视频图像处理器的硬件实现方案研究的基础上，重点进行了系统软件的研究与设计。

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。

The system controls a tunable fiber Fabry-Perot filter with sawtooth wave voltage and synchronous signal of its digital phase to interrogate FBG sensors in a single fiber. Meantime, a reference FBG and a digital thermometer provide an accurate reference wavelength, which is used to calibrate the wavelength readout of the TFFP in real-time by a digital signal processor.

解调系统利用锯齿波电压信号和数字相位同步信号控制可调谐光纤法布里珀罗滤波器，对光纤光栅传感器阵列进行扫描式寻址，同时采用非测量环境中的参考光栅和数字温度计提供精确的参考波长，并由高速数字信号处理器实时校准滤波器的波长读取值，很好地消除了滤波器调谐的温度漂移、非线性和蠕动性引起的测量误差。

Digital signal processor DSP and realizes each kind of digital signal processing algorithm prominent merit fast by its unique structure, in the correspondence, the radar, the sound navigation and ranging, voice signal processing, the imagery processing, the high-speed control and the instrumentation equipment and so on numerous domains has obtained the widespread application.

数字信号处理器DSP以其独特的结构和快速实现各种数字信号处理算法的突出优点，在通信、雷达、声纳、语音信号处理、图象处理、高速控制和仪器设备等众多领域获得了广泛应用。

Digital signal processor DSP and realizes each kind of digitalsignal processing algorithm prominent merit fast by its uniquestructure, in the correspondence, the radar, the sound navigationand ranging, voice signal processing, the imagery processing, thehigh-speed control and the instrumentation equipment and so onnumerous domains has obtained the widespread application.

摘要数字信号处理器DSP以其独特的结构和快速实现各种数字信号处理算法的突出优点，在通信、雷达、声纳、语音信号处理、图象处理、高速控制和仪器设备等众多领域获得了广泛应用。

It is an important disquisitive direction in the area of night vision technology.This dissertation introduces the developmental status of the LLL processing technology research and the history of the development of DSP. On the base of the study about the hardware-realizing scheme of LLL video processor centered about DSP, this dissertation primarily studies and designs the system software.

论文介绍了微光图像处理技术的发展状况，结合高速数字信号处理器的发展历史，在对基于高速数字信号处理器的微光视频图像处理器的硬件实现方案研究的基础上，重点进行了系统软件的研究与设计。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。