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InterfACe-f

  • 美升级台湾F-16机载雷达的关键技术分析

    文章对美国升级台湾F-16机载多功能雷达的技术进行了研究。首先介绍了有源电扫相控阵技术,该技术是提高雷达性能的关键所在。其次对多普勒锐化和合成孔径技术进行了深入的讨论,研究表明合成孔径技术能更好地提高成像效果。最后分析了升级F-16带来的不足,说明升级不能阻止国家的统一大业。

    标签: 16 机载雷达 关键技术

    上传时间: 2013-11-14

    上传用户:古谷仁美

  • XAPP740利用AXI互联设计高性能视频系统

    This application note covers the design considerations of a system using the performance features of the LogiCORE™ IP Advanced eXtensible Interface (AXI) Interconnect core. The design focuses on high system throughput through the AXI Interconnect core with F MAX  and area optimizations in certain portions of the design. The design uses five AXI video direct memory access (VDMA) engines to simultaneously move 10 streams (five transmit video streams and five receive video streams), each in 1920 x 1080p format, 60 Hz refresh rate, and up to 32 data bits per pixel. Each VDMA is driven from a video test pattern generator (TPG) with a video timing controller (VTC) block to set up the necessary video timing signals. Data read by each AXI VDMA is sent to a common on-screen display (OSD) core capable of multiplexing or overlaying multiple video streams to a single output video stream. The output of the OSD core drives the DVI video display interface on the board. Performance monitor blocks are added to capture performance data. All 10 video streams moved by the AXI VDMA blocks are buffered through a shared DDR3 SDRAM memory and are controlled by a MicroBlaze™ processor. The reference system is targeted for the Virtex-6 XC6VLX240TFF1156-1 FPGA on the Xilinx® ML605 Rev D evaluation board

    标签: XAPP 740 AXI 互联

    上传时间: 2013-11-23

    上传用户:shen_dafa

  • 基于T-F变换的多点流体温度测量系统

    针对一般测温方法在进行流体多点温度测量时存在系统复杂,准确度和速度难以兼顾的问题,提出了一种基于温度-频率(T-F)变换的测量系统。该系统使用PIC18F6722单片机控制MOS管开关阵列,使多个测点的热敏电阻分别与TLC555构成振荡电路,将测点的温度变化转化为振荡频率的变化,使用8253计数芯片对TLC555的输出信号进行测量并产生中断,单片机读取8253计数值反演为测点温度。实验表明,测点数目增多不会增加测量系统的复杂程度,通过设置8253的计数初值,可以在不改变硬件的情况下灵活选择测量的准确度和速度,满足了流体多点精确快速测温的需求。同时该系统具备简洁实用,成本低的优点。

    标签: T-F 变换 多点 流体

    上传时间: 2013-10-23

    上传用户:assef

  • 用对半分法计算f(x)=0

    用对半分法计算f(x)=0

    标签: 计算

    上传时间: 2013-12-10

    上传用户:小码农lz

  • 用双点弦截法计算f(x)=0

    用双点弦截法计算f(x)=0

    标签: 计算

    上传时间: 2013-11-28

    上传用户:shinesyh

  • 关于操作系统:本程序可选用优先数法或简单轮转法对五个进程进行调度。每个进程处于运行R(run)、就绪W(wait)和完成F(finish)三种状态之一

    关于操作系统:本程序可选用优先数法或简单轮转法对五个进程进行调度。每个进程处于运行R(run)、就绪W(wait)和完成F(finish)三种状态之一,并假定起始状态都是就绪状态W。

    标签: finish wait run 进程

    上传时间: 2014-01-27

    上传用户:1427796291

  • asfdsa f

    asfdsa f

    标签: asfdsa

    上传时间: 2015-01-08

    上传用户:xcy122677

  • J2ME - Creating User Interface

    J2ME - Creating User Interface

    标签: Interface Creating J2ME User

    上传时间: 2015-01-09

    上传用户:LIKE

  • rtai-3.1-test3的源代码(Real-Time Application Interface )

    rtai-3.1-test3的源代码(Real-Time Application Interface )

    标签: Application Real-Time Interface rtai

    上传时间: 2014-11-22

    上传用户:lps11188

  • SCSI Miniport Interface

    SCSI Miniport Interface

    标签: Interface Miniport SCSI

    上传时间: 2015-01-12

    上传用户:cx111111