Description: 2006altera大赛－基于软核Nios的宽谱正弦信号发生器设计：摘要：本设计运用了基于 Nios II 嵌入式处理器的 SOPC 技术。系统以 ALTERA公司的 Cyclone 系列 FPGA 为数字平台，将微处理器、总线、数字频率合成器、存储器和 I/O 接口等硬件设备集中在一片 FPGA 上，利用直接数字频率合成技术、数字调制技术实现所要求波形的产生，用 FPGA 中的 ROM 储存 DDS 所需的波形表，充分利用片上资源，提高了系统的精确度、稳定性和抗干扰性能。使用新的数字信号处理（DSP）技术，通过在 Nios 中软件编程解决
不同的调制方式的实现和选择。系统频率实现 1Hz～20MHz 可调，步进达到了1Hz；完成了调幅、调频、二进制 PSK、二进制 ASK、二进制 FSK 调制和扫频输出的功能。
-2006altera race-based soft-core Nios wide spectrum of sinusoidal signal generator design : Abstract : The use of design-based Nios II embedded processor SOPC technology. Altera Corporation system to the Cyclone FPGA series of digital platform, microprocessor, bus, Digital Frequency Synthesizer, memory and I / O interface hardware concentrated in an FPGA, the use of direct digital frequency synthesis technology and digital modulation waveforms required to achieve the rise, Using FPGA ROM storage of the DDS waveform table, and make full use of on-chip resources, improve the system's accuracy, stability and robustness. Use of new digital signal processing (DSP) technology, Nios through software programming to solve different ways of achieving modulation and choice. Realize the system freq Platform: |
Size: 407706 |
Author:刘斐 |
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Description: 2006altera大赛－基于软核Nios的宽谱正弦信号发生器设计：摘要：本设计运用了基于 Nios II 嵌入式处理器的 SOPC 技术。系统以 ALTERA公司的 Cyclone 系列 FPGA 为数字平台，将微处理器、总线、数字频率合成器、存储器和 I/O 接口等硬件设备集中在一片 FPGA 上，利用直接数字频率合成技术、数字调制技术实现所要求波形的产生，用 FPGA 中的 ROM 储存 DDS 所需的波形表，充分利用片上资源，提高了系统的精确度、稳定性和抗干扰性能。使用新的数字信号处理（DSP）技术，通过在 Nios 中软件编程解决
不同的调制方式的实现和选择。系统频率实现 1Hz～20MHz 可调，步进达到了1Hz；完成了调幅、调频、二进制 PSK、二进制 ASK、二进制 FSK 调制和扫频输出的功能。
-2006altera race-based soft-core Nios wide spectrum of sinusoidal signal generator design : Abstract : The use of design-based Nios II embedded processor SOPC technology. Altera Corporation system to the Cyclone FPGA series of digital platform, microprocessor, bus, Digital Frequency Synthesizer, memory and I/O interface hardware concentrated in an FPGA, the use of direct digital frequency synthesis technology and digital modulation waveforms required to achieve the rise, Using FPGA ROM storage of the DDS waveform table, and make full use of on-chip resources, improve the system's accuracy, stability and robustness. Use of new digital signal processing (DSP) technology, Nios through software programming to solve different ways of achieving modulation and choice. Realize the system freq Platform: |
Size: 407552 |
Author:刘斐 |
Hits:
Description: 基于ROM的正弦波发生器的设计：1.正弦发生器由波形数据存储模块（ROM），波形发生器控制模块及锁存模块组成
2.波形数据存储模块（ROM）定制数据宽度为8，地址宽度为6，可存储 64点正弦波形数据，用MATLAB求出波形数据。
3.将50MHz作为输入时钟。
-ROM-based design of the sine wave generator: 1. Sinusoidal waveform generator by the data storage module (ROM), waveform generator control module and latch module 2. Waveform data storage module (ROM) custom data width of 8 , address width of 6, can store 64 points sinusoidal waveform data, waveform data are obtained using MATLAB. 3. To 50MHz clock as input. Platform: |
Size: 98304 |
Author:宫逢源 |
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Description: 基于ROM的正弦波发生器的设计:使用MATLAB得到这64个波形数据，将这些存数据写入一个ROM中。再输入时钟，每个上升沿依次读取一个波形数据-ROM-based sine wave generator of the design: the use of MATLAB to obtain waveform data 64, to write the data in a ROM. Re-enter the clock, each rising edge followed by a read waveform data Platform: |
Size: 101376 |
Author:evelyn |
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Description: 基于ROM的正弦波发生器的设计
一．实验目的
1. 学习VHDL的综合设计应用
2. 学习基于ROM的正弦波发生器的设计
二．实验内容
设计基于ROM的正弦波发生器，对其编译，仿真。
具体要求：
1.正弦发生器由波形数据存储模块（ROM），波形发生器控制模块及锁存模块组成
2.波形数据存储模块（ROM）定制数据宽度为8，地址宽度为6，可存储 64点正弦波形数据，用MATLAB求出波形数据。
3.将50MHz作为输入时钟。
-ROM-based sine wave generator design
1. Purpose of the experiment
1. VHDL Integrated Design and Application of Learning
2. Learning ROM-based sine wave generator design
2. Experimental content
ROM-based sine wave generator design, its compilation, simulation.
Specific requirements:
1. Sine wave generator by the data storage module (ROM), waveform generator control module and latch modules
Two. Waveform data storage module (ROM) custom data width is 8, the address width of 6, can store 64-point sine wave data, wave data obtained using MATLAB.
3. The 50MHz input clock. Platform: |
Size: 17408 |
Author:爱好 |
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Description: 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 waveforms of different frequency output, a key component of electronic test systems. In this study, full digital signal generator that is based on DDS technology of direct digital synthesis design, VHDL and C language using the method of combining, by looking up stored in ROM look-up table in a variety of standard waveform data, the cattle and the high frequency tone Hf accuracy of the sine wave, square wave, sawtooth and other signals used, and town to modify table data, an arbitrary signal generator Platform: |
Size: 268288 |
Author:姚木 |
Hits:
Description: 基于FPGA的DDS波形发生器--程序，如果需要产生输出不同的位数的波形，可以自行修改程序中的rom表中数据位数-FPGA-based waveform generator DDS- procedure, if the number of bits required to generate output of different waveforms in the program can modify data in the table the median rom Platform: |
Size: 1256448 |
Author:许聪 |
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Description: 设计基于ROM的正弦波发生器，对其编译，仿真。
具体要求：
1.正弦发生器由波形数据存储模块（ROM），波形发生器控制模块及锁存模块组成
2.波形数据存储模块（ROM）定制数据宽度为8，地址宽度为6，可存储 64点正弦波形数据，用MATLAB求出波形数据。
3.将50MHz作为输入时钟。-ROM-based sine wave generator design, its compilation, simulation. Specific requirements: 1. Sine wave generator by the data storage module (ROM), waveform generator control module and latch module 2 waveform data storage module (ROM) custom data width is 8, the address width of 6, can store 64 point sine wave data, waveform data obtained using MATLAB. 3 to 50MHz clock as input. Platform: |
Size: 65536 |
Author:坐听晚风赏晚霞 |
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Description: 本文主要讨论了Verilog语言的基于DDS的波形发生器的设计。从设计要求入手，本文给出了DDS的详细设计过程，包括各个模块的设计思想，电路图，Verilog语言程序代码。其大致思想为通过频率控制字和相位控制字去控制正弦函数的ROM存储表的地址并对应着得到其幅度值，最终达到输出需要波形的目的。-This paper mainly discusses the design of the Verilog language, the DDS-based waveform generator. Starting from the design requirements, this paper presents the detailed design of the DDS process, including the various modules of the design ideas, schematics, Verilog language code. The general idea of frequency control word and phase control word to control the address of the ROM memory table of the sine function and the corresponding get its amplitude value, and ultimately achieve the purpose of waveform output needs. Platform: |
Size: 814080 |
Author:任健铭 |
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Description: 通过读取rom的方式，调频调幅选择波形的信号发生器。已经调试过 verilong-based on rom to create a kind of generator which can change frequency, amptilude and waveform. Platform: |
Size: 1024 |
Author:wzy |
Hits:
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