搜索资源列表
NCO_sin
- 基于FPGA的NCO设计,采用查表方法.八位地址线,一个周期采点256个,输出八位数据.
dds_new
- 驱动时钟加入了PLL,使得DDS的驱动时钟可变.32位的NCO使得DDS的分辨率可以做到Hz量级-Clock driver joined the PLL, the DDS makes the clock-driven variable-.32-bit NCO makes the resolution of DDS can be done Hz magnitude
NCO
- 基于FPGA和SRAM的数控振荡器的设计与实现-SRAM-based FPGA and NCO of the design and implementation
RealizationofdigitaldownconversionbyFPGA
- 介绍在FPGA 器件上如何实现单通道数字下变频(DDC)系统。利用编写VHDL 程序和调用部分IP 核相结合的方法研究了数字下变频的FPGA 实现方法,并且完成了其主要模块的仿真和调试,并进行初步系统级验证。-Introduced in the FPGA device on how to achieve the single-channel digital down conversion (DDC) system. VHDL procedures and the use of the prepa
dspddc_R12p1
- 基于DSPbuilder搭建的DDC,里面包括CIC滤波器,FIR低通滤波器,HB半带滤波器,NCO等,实现了GC5016芯片的功能-DSPbuilder erected based on DDC, which include the CIC filter, FIR low-pass filter, HB half-band filter, NCO, etc. to achieve the function of the GC5016 chip
A_digital_WaveformGenerator_and_Oscilloscope_based
- 一种基于BASYS开发板(Xilinx Spartan-3E FPGA)的波形发生器和示波器的设计,可以产生多种可调波形,并实时显示在电脑显示器或者投影仪上。波形发生器采用基于ROM的数字控制振荡器(NCO)实现,示波器采用VGA接口实时显示。-A kind of digital WaveGenerator and Oscilloscope based on tne BASYS experiment board which has a Xilinx Spartan-3E FPGA on it.T
cordic
- FPGA中数字信号发生器NCO用CORDIC实现产生正弦余弦-failed to translate
NCO
- 关于FPGA设计实现NCO,包括查找表法和CORDIC算法的改进-FPGA design and implementation on the NCO, including the look-up table method and the CORDIC Algorithm
NCO
- 基于FPGA的NCO数字化实现方法,并从原理上作了必要的分析-NCO of digital FPGA-based implementation, and made from the principle of the necessary analysis
nco
- 基于FPGA的压控震荡器,可以通过震荡器来对输入信号进行有效的分频,而且是任意的分频系数都可以-FPGA-based VCO oscillator input signal, the effective frequency division and any sub-frequency coefficients can be
DDC_FPGA
- 基于FPGA的数字下变频器(DDC)的设计,将采样得到的高速率信号变成低速率基带信号,以便进行下一步的信号处理。由NCO、数字混频器、低通滤波器和抽取滤波器四个模块组成。采用自编的加法树乘法器,提高乘法运算效率。-Design based on FPGA digital downconverter (DDC), the high-speed signal will be sampled baseband signal into a low rate for the next step in th
NCO_test
- FPGA的压控振荡器NCO完整Verilog工程代码,测试输出1KHZ sin波。signaltap抓取没问题。-VCO NCO complete FPGA Verilog code engineering, test output 1KHZ sin wave. signaltap crawl no problem.
NCO
- 基于FPGA的DDS设计,通过外接DA转换器输出稳定的正弦波,方波和三角波,可单独产生时钟,不必借助硬件连接,包含寄存器程序,累加器程序和时钟发生电路等,以及顶层设计原理图-The DDS FPGA-based design, through an external DA converter output stable sine wave, square wave and triangular wave, can produce a single clock, without the help
gensin
- 用fpga控制da发一定带宽正弦信号,用vhdl编写,用nco-Fpga controlled by a band-da made a sinusoidal signal, written in vhdl, with nco
nco1mhz
- 使用FPGA元件中的NCO产生1MHZ频率\相位可调的输出(Use the NCO in the FPGA element to produce 1MHZ frequency \ phase adjustable output)
平方环VHDL实现
- 数字平方环电路,实现了从BPSK信号中提取相干载波的功能,简单易行,便于实现,并对其进行了数学推导和建模仿真,具有良好的实用价值。平方环以其电路结构简单而得到了广泛应用。但在平方环电路的设计中,由于NCO(或VCO)工作在2ωc频率上,当环路锁定后,其NCO(或VCO)的输出需经过二分频才能得到所需载波。而二分频电路在实现过程中,特别是在对NCO进行数字分频时,用FPGA实现太耗资源。