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Description: 这是06年4月刚刚完成的程序,从opencore.org下载而来。用vhdl语言描写,以及matlab仿真,testbench,以及在xinlinx上的综合。
The MDCT core is two dimensional discrete cosine transform implementation designed for use in compression systems like JPEG. Architecture is based on parallel distributed arithmetic with butterfly computation.
-This is April 06 had just completed the process, from opencore.org downloaded from. Vhdl description language used, and Matlab simulation, testbench, and the Comprehensive xinlinx. The MDCT core is two dimensional discrete cosin e transform implementation designed for use in JPEG compression systems like. Architecture i 's based on parallel distributed arithmetic wit h butterfly computation.
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Size: 1767424 |
Author: 陈朋 |
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Description: Quartus II设计正弦信号发生器。本节通过正弦信号发生器的设计对QuartusII的一些重要功能作一些说明。对本节的详细了解有利于对以后章节有关DSP Builder的应用和设计有更好的理解。-Quartus II design sinusoidal signal generator. This section through the sinusoidal signal generator QuartusII the design of some of the important features to make some notes. Of this section to learn more about the future in favor of the relevant sections of the application of DSP Builder and design have a better understanding.
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Size: 869376 |
Author: yehui |
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Description: NCO 在信号处理方面有着广泛的应用。而函数发生器是NCO 中的关键部分,本文基
于FPGA 用状态机和流水线方法实现了CORDIC 算法,并取代了传统的ROM 查找表法。
最后通过Quartus II 软件给出仿真结果,验证了理论的正确性。-NCO in the Signal Processing has a wide range of applications. The function generator is a critical part of NCO, the paper-based FPGA using state machine implementation of the Ways and pipelining CORDIC algorithm, and replaces the traditional ROM look-up table method. Finally through the Quartus II software give simulation results to verify the correctness of the theory.
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Size: 164864 |
Author: LEO |
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Description: 数字控制振荡器(NCO,numerical controlled oscillator)是软件无线电、直接数据频
率合成器(DDS,Direct digital synthesizer)、快速傅立叶变换(FFT,Fast Fourier Transform)
等的重要组成部分,同时也是决定其性能的主要因素之一,随着芯片集成度的提高、在信号
处理、数字通信领域、调制解调、变频调速、制导控制、电力电子等方面得到越来越广泛的
应用。-Digital controlled oscillator (NCO, numerical controlled oscillator) is a software-defined radio, direct data on the frequency synthesizer (DDS, Direct digital synthesizer), Fast Fourier Transform (FFT, Fast Fourier Transform), such as an important component of the decision at the same time the performance of one of the main factors, along with the improvement of the chip integrated in the signal processing, digital communications, modulation and demodulation, frequency conversion speed control, guidance control, such as power electronics get more and more widely.
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Size: 4096 |
Author: 司令 |
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Description: 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 preparation of some call a combination of IP core method of the FPGA digital down conversion method, and completed its main modules of simulation and debugging, and initial system-level verification.
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Size: 162816 |
Author: 于银 |
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Description: 基于DSP builder搭建的DDS模块,可以用在数字下变频中的NCO等-Based on DSP builder to build the DDS module can be used in digital down-conversion of the NCO, etc.
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Size: 7168 |
Author: 郑程 |
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Description: Numerically Controlled oscillator with with quadrature output and pipeline-Numerically Controlled oscillator with with quadrature output and pipeline
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Size: 2048 |
Author: sanjivkumar |
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Description: 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.This design can make adjustable sine,triangle and rectangle waveform.It also can show the waveform real time on a computer dispaly or a projecting apparatus via a VGA cable.The emphases of this project is to realize real-time VGA interface in a FPGA.
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Size: 3417088 |
Author: 张文 |
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Description: 数字接收机DDS中NCO设计,vhdl代码参考-NCO of DDS in a digital receiver design,vhdl code reference
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Size: 1024 |
Author: rickdecent |
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Description: 用verilog语言写的NCO,在quartus环境中应用-Verilog language written with NCO, quartus environment in the applications
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Size: 3072 |
Author: 刘春 |
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Description: numerically controlled oscillator has been designed using vhdl programming which produces an output when input given in binary bits format.
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Size: 31744 |
Author: thara |
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Description: 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
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Size: 1368064 |
Author: 任天鹏 |
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