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DDS.rar
- 本设计基于数字频率合成技术,采用正弦查找表实现波形产生.直接数字频率合成技术(DDS)是一种先进的电路结构,能在全数字下对输出信号频率进行精确而快速的控制,DDS技术还在解决输出信号频率增量选择方面具有很好的应用,DDS所产生的信号具有频率分辨率高、频率切换速度快、频率切换时相位连续、输出相位噪声低和可以产生任意波形等诸多优点。 文中介绍了DDS的基本原理,对DDS的质谱及其散杂抑制进行了分析。程序设计采用超高速硬件描述语言VHDL描述DDS,在此基础上设计了正弦波、三角波、方波等信号
DDS
- VHDL实现谐波检测信号发生的DDS. 同时发出正弦波,三角波,正弦波2倍频后的方波。波形频率相位可调。-VHDL implementation of harmonic detection signal of the DDS. Also issued a sine wave, triangle wave, sine wave, after square-wave frequency 2. Phase adjustable frequency waveform.
tetris
- Our project is to design and implement a Tetris game by using FPGA. Tetris a puzzle game that uses 4 square blocks joining edge to edge to form various combinations of shapes. There are 7 unique shapes. The shapes are controlled with the arrow keys f
zuoye2
- vhdl语言实现阶梯方波发生器 周期为8 -Step square-wave generator
renyiboxing
- 信号发生器是一种常用的仪器,能够实现各种波形,不同频率的输出,电子测试系统的重要部件。本研究 的数字信号发生器足基于直接数字合成即DDS技术设计的,采用VHDL与C语言相结合的方法,通过查找存储 于ROM查找表中的各种标准波形数据,产牛频率Hf调并且高精度的正弦波、方波、锯齿波等常用信号,并且町 以通过修改表中的数据,实现任意信号发生器-Signal generator is a commonly used instrument to achieve a variety of wav
DACSPI1
- 关于数模转换器的资料和文件。硬件描述语言VHDL是很重要的-The Digilent PmodAD1 Digital to Analog Module Converter module (the DA1™ ) converts signals from digital to analog at up to one MSa per second. The DA1 uses a 6-pin header connector and at less than one squa
function-of-fangbozhenxianandsanjiao
- 基于FPGA的函数信号发生器VHDL设计,包括方波、三角波和正弦波-FPGA-based VHDL design function signal generator, including a square wave, triangle wave and sine
Pulse-Generator-Final-Zip
- A VHDL pulse generator that generates customizable square wave pulses on an arbitrary number of channels. Controlled by UART communication through serial port. Tuned for 5ns period clock signal. The pulse width and delay of each channel is fully