After the reform scheme had been proposed , we made pci card to capture and compress the video / audio data , developed the previewing and playback software based on microsoft directx and achieved the design target on the whole 本文在提出了上述对一代车的改造方案后,以pci板卡的形式实现了四路视频采集及压缩,并利用微软公司提供的directx技术实现了视频的实时预览、回放。
This dissertation researched a kind of waveform generators . the waveform generator was based on the dds technology and was realized as a pci card . it could generate hybrid modulated signals such as fsk / psk , and it could also generate some other signals 本论文设计并实现了一种波形发生器,波形发生器基于dds原理,模块规范为pci总线插卡形式,产生fsk / psk复合调制信号,同时可产生其它多种信号。
This project based on the research of pd radar simulator , give the mathematic model of the ground clutter and target , generate the data of them . then the data has been translated to the memory of the simulator by a pci card 本课题以某机载相控阵雷达模拟器的研制为背景,对雷达杂波和目标回波进行数学建模,产生相应的目标数据和杂波数据,并通过计算机pci总线,将生成的数据文件加载到雷达模拟器的存储器中。
The main subject including : * the digital tv technology and standard ; * the protocol of pci and the driver of pci device ; * the principle 、 design and implementing of the encrypted digital catv pci card ; * driver programming and hardware debugging 主要内容包括: ?数字电视技术及其标准; ? pci总线协议标准及pci设备驱动程序的原理; ?基于nds加密的数字有线电视pci接收卡的原理和具体硬件设计、实现; ?驱动编写和硬件调试
Secondly , the implementation of each module of the software is discussed in detail . main content of this part includes the inplementation of the massive image data high - speed transferring from scanner to host by use of a large capacity fifo and a 32bit high - speed pci card , how to control the step motor for precise location of the cis image sensors , the techniques for utilizing the lm9830 to control scanning actions based on the cis ' s characteristics , the real time image data collection , the reconstruction of the image data sampled by the z - shape combined cis sensors , and the parallel and pipeline techniques used in the whole process helping to save time 然后详细讨论了扫描仪底层驱动软件中各个功能模块所解决的问题和具体实现方法,具体介绍的内容包括:如何利用大容量fifo和高速32位pci接口卡实现大量图像数据的高速传输功能,如何对步进电机进行控制实现图像传感器的精确定位功能,如何针对cis传感器的具体特性应用lm9830芯片控制cis的扫描动作,如何实时的采集图像数据,如何对“ z ”型拼接传感器扫描出的图像进行重构以及如何应用并行和流水技术对整个扫描过程进行控制以提高扫描速度。
The author designed a pci card , which introduced the broadband intermediate - frequency band - pass sampling software radio structure based on pci bus . a special pci controlling chip ? y7c09449pv produced by cypress corporation was used here for pci interface design . in order to control all the required logical parts on the pci card , the author used one cpld to design a global logic controller by verilog hdl 作者设计了一块pci插卡,采用了基于pci总线的宽带中频带通采样软件无线电结构,选用cypress公司的cy7c09449pv专用pci控制芯片实现pci接口设计,使用复杂可编程逻辑器件借助veriloghdl硬件描述语言完成插卡上的全局控制器的设计。
The design includes managing software of dsp system ( including dsp initializing , dma reading of collected data ) , isp programming of flash memory , boot loading of the fixing program , program of interfaces between dsp and pci , the design of pci card driving program , the skills of programming etc . the sixth chapter : this chapter draws a conclusion and also gives a prospect on the research work 介绍了dsp系统管理软件(包括dsp初始化、采集数据的dma读取) 、 flashmemory的isp编程、固化程序的引导、 dsp与pci接口程序、 pci卡驱动程序设计、以及编程技巧等内容。第六章总结了以上的工作,并对以后的研究任务进行了展望。