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FPGA上的VERILOG语言编程。通过查找表实现直接数字频率合成。在主控部分通过键盘选择正弦波,方波,三角波,斜波,以及四种波形的任意两种的叠加,以及四种波形的叠加;通过控制频率控制字C的大小,以控制输出波形频率,实现1Hz的微调;通过地址变换实现波形相位256级可调;通过DAC0832使波形幅值256级可调;通过FPGA内部RAM实现波形存储回放;并实现了每秒100HZ扫频。-FPGA on the verilog language programming. Lookup table thr
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本设计中应用硬件描述语言Verilog HDL描述相位累加器,相位调制器,正弦波、方波、三角波、心电波形四个独立的波形存储器,并描述频率控制、相位控字、幅度控制单元及波形切换等相关的功能单元。-Application of the design described in Verilog HDL hardware descr iption language phase accumulator, phase modulator, sine, square, triangle wave, the fo
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用Verilog语言在FPGA内实现一256个采样点的正弦波,已尝试,挺好用的~~~,Verilog language used in the FPGA to achieve one of the 256 sampling points sine wave, I have already tried it, very useful~ ~ ~
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我们小组共了一个月做的DDS,程序核心用的是Verilog HDL,有仿真波形,输出正弦波,方波,及三角波,步进可调.频率范围1HZ--10MHZ-Our group for a month to do a total of DDS, the procedure is used in the core of Verilog HDL, there are simulation waveform, the output sine wave, square wave and triangular wa
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DDS文件夹内的程序,完成直接数字频率合成功能,有正弦,三角,方波三种波形,并能扫频.
可通过键盘操作设置频率参数和选择波形种类和控制运行.
由两部分组成,"C"文件夹内,是用于在 51 单片机上运行的 C语言程序, "Verilog"文件夹内,是用Verilog语言编写的 FPGA 程序.-DDS program folder, complete direct digital frequency synthesis function, sine, triangle, square
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verilog写的串口控制信号发生器,能通过用串口控制产生正弦波方波等信号-written in verilog serial control signal generator, can be generated using serial control, such as sine wave square wave signals
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直接频率合成DDS模块的ise工程,可以直接下载,在Spartan3/Spartan3E上验证通过。该DDS模块可以产生双通道的不同频率的正弦波,也可以产生同频的任意相位差的相移波形。本模块累加器位数为32位,可以产生12位相位精度12位量化精度的正弦波。该设计例化一个Block Ram,为节省储存空间仅需要储存1/4周期的数据。根据需要,可以重新修改数据,改变波形。-DDS direct frequency synthesizer module ,ise project, can be dir
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自己写的一个简单的DDS控制器,此程序包包含完整的VERILOG写的程序,操作有点简单,输出正弦波,方波,锯齿波,通过键盘可以选择输出波形,与大家共享-To write a simple DDS controller, this package contains a complete program written in VERILOG, a bit simple to operate, the output sine wave, square wave, sawtooth, through t
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My project is on Direct Digital Synthesiser using Verilog HDL.This project is doing by me on july 2009 in summer training at NIT Kurukshetra, India.
This DDS system generate the square wave, Triangular wave,Sine wave and saw wave with different fre
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This a code for sine wave generation in modelsim. The code is written in verilog. An LUT has to be added to this program to work completely.-This is a code for sine wave generation in modelsim. The code is written in verilog. An LUT has to be added t
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一个简易的信号源,具有多种波形发生功能还有扫频,调制,频率计等相关功能-My project is on Direct Digital Synthesiser using Verilog HDL.This project is doing by me on july 2009 in summer training at NIT Kurukshetra, India. This DDS system generate the square wave, Triangular wave,Sine wa
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DDS的工作原理是以数控振荡器的方式产生频率、相位可控制的正弦波。电路一般包括基准时钟、频率累加器、相位累加器、幅度/相位转换电路、D/A转换器和低通滤波器(LPF)。频率累加器对输入信号进行累加运算,产生频率控制数据X(frequency data或相位步进量)。相位累加器由N位全加器和N位累加寄存器级联而成,对代表频率的2进制码进行累加运算,是典型的反馈电路,产生累加结果Y。幅度/相位转换电路实质上是一个波形寄存器,以供查表使用。读出的数据送入D/A转换器和低通滤波器。-DDS works
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在quartus下的DDS设计,Verilog语言,可以产生正弦波、三角波、方波等,频率可调。-Under the DDS in quartus design, Verilog language, you can produce sine wave, triangle wave, square wave, frequency adjustable.
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一个开环的AD9954 的正弦波发生 verilog 程序。-An open loop of the AD9954 in the sine wave occurs verilog program.
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用verilog写的正弦波发生器,QuartusⅡ环境-Sine wave generator written in Verilog
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DDS正弦波发生模块 基于verilog语言实现 在cycloneii系列FPGA上经过验证 频率步进1khz 共有256个点-The DDS sine wave module based on verilog language achieve in cycloneii series FPGA proven frequency stepping 1khz 256 points
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verilog实现dds,用于FPGA产生正弦波,适用于Cyclone 2系列-verilog achieve dds, FPGA is used to generate the sine wave, in the Cyclone Series
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在altera的FPGA上实现直接数字频率合成,即用verilog实现DDS,输出正弦波形,在modelsim软件中仿真通过,已包含所有代码和工程以及二进制流文件。-The realization of direct digital frequency synthesis in the Altera FPGA, which is implemented by Verilog DDS, the output sine wave, through the simulation in Modelsim
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在quartus开发平台基于直接数字频率合成技术利用Verilog语言实现正弦信号和三角波信号发生(Verilog was used to generate sine and triangle wave signals based on direct digital frequency synthesis in quartus development platform.)
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