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多功能高精度信号发生器的设计
- 摘要：直接数字频率合成(DDS)是七十年代初提出的一种新的频率合技术，其数字结构满足了现代电子系统的许多要求，因而得到了迅速地发展。现场可编程门阵列器件(FPGA)的出现，改变了现代电子数字系统的设计方法，提出了一种全新的设计模式。本设计结合这两项技术，并利用单片机控制灵活的特点，开发了一种新的函数波形发生器。在实现过程中，本设计选用了Altera公司的EP1C6Q240C8芯片作为产生波形数据的主芯片，充分利用了该芯片的超大集成性和快速性。在控制芯片上选用了AT89C51单片机作为控制芯片。本
learn_dds.基于quartus ii 9.0的简易dds波形发生器
- 基于quartus ii 9.0的简易dds波形发生器，可以产生正弦，方波，三角波，可变幅，可变频。非常适合学习使用，使用时请按自己的芯片和引脚设置,Quartus ii 9.0 Based on dds simple waveform generator can produce sine, square, triangle wave can be amplitude, frequency can be. Very suitable for learning to use, when used
dds
- verilog语言编写，在Quartus II里仿真DDS的产生，包括所有仿真生成的相关文件，-verilog language in the Quartus II DDS in the generation of simulation, including all documents generated by the simulation,
Sinout
- dds正弦可控发生计全结果 用到matlab，dsp，Quartus II 6.0软件-dds controllable sinusoidal occurred wholly the result of use of matlab, dsp, Quartus II 6.0 software
tiaopin
- 开题报告，基于Quartus ii的DDS设计和实现。-Opening report, based on Quartus ii of DDS design and implementation.
DDS_100325(13)_success
- QUARTUS II环境下VHDL语言编写DDS程序，双数字信号输出，一为正弦波幅值输出，一正弦波差值信号。时钟2^21HZ，带24bits频率控制字。-QUARTUS II environment, VHDL language DDS program, two digital signal output, an amplitude for the sine wave output, a sine wave difference signal. Clock 2 ^ 21HZ, with 24bi
DDS
- 这是一个dds产生方波、三角波、正弦波的代码。请用Quartus II打开-This is a dds produce square wave, triangle wave, sine wave code. Please open the Quartus II
BPSK
- 在quartus ii下完成的用VHDL语言编写的数字式调频BPSK的调制，其中DDS和成型滤波使用ip核完成-Accomplished in quartus ii the use of VHDL language digital FM BPSK modulation, which use the ip filter DDS and forming complete nuclear
8bitDDS
- 在QUARTUS II 8.0下做的基于DDS的多功能调制器，可实现ASK、FSK、BPSK调制。用SIGNALTAP仿真测试正确。-A In multi-function modulator based on DDS in QUARTUS II 8.0 , can realize the ASK, FSK, BPSK modulation. With SIGNALTAP simulation test right.
sopc_lcd_led
- 利用De0_nano建立的SOPC系统，其中包含有LCD，LED，DDS函数发生和ADC等源程序。工程编译环境为Quartus II 11.0，eclipse for sopc。-Established by De0_nano SOPC system, which includes LCD, LED, DDS functions occurrence and ADC and other source. Project build environment for the Quartus II 11
ep1c12_29_dds
- DDS设计：该程序完成了在Quartus Ⅱ上使用VHDL语言实现的DDS波形调制设计-DDS Design: The procedure is completed in Quartus ii the DDS waveform modulation design using VHDL language
dds_work
- verilog语言编写，在Quartus II里仿真DDS的产生，包括所有仿真生成的相关文件--verilog language in the Quartus II DDS in the generation of simulation, including all documents generated by the simulation,
dds
- 12位精度的DDS。quartus ii 编译通过。所有源代码正确，可用。-12 precision DDS. quartus ii compile. All source code is correct and available.
DDS
- 基于DDS原理，利用VHDL语言进行正弦波、三角波、锯齿波、矩形波等波形的发生。包括完整代码和QUARTUS II工程。-Based on DDS principle, the use of VHDL, sine, triangle, sawtooth, square wave waveform occurs. Including the complete code and QUARTUS II project.
DDSpro
- DDS技术的设计代码，利用quartus II编写，供大家参考-DDS technology design code
11071221593477
- 关于quartus ii设计的dds源代码-About quartus ii design dds source code
dds
- NCO，同时产生cos和sin信号。quartus -NCO, while producing cos and sin signals. quartus II
DDSN
- quartus II 13.0 DDS工程文件，采用VHDL编写，可输出正交两路正弦信号。可以直接用modelsim-alter 仿真-quartus II 13.0 DDS project file, using VHDL written two orthogonal sinusoidal output signals. Can be simulated directly modelsim-alter
DDS
- DDS信号源实例，采用Quartus II开发环境-DDS signal source instance using Quartus II development environment