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Description: 基于可编程逻辑器件CPLD和直接数字频率合成技术（DDS）的三相多波形函数发生器-based CPLD and direct digital frequency synthesis (DDS) over the three-phase waveforms letter Number Generator
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Size: 92729 |
Author: liujl |
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Description: 摘要：介绍了基于可编程逻辑器件CPLD和直接数字频率合成技术（DDS）的三相多波形函数发生器的基本原理，并在此基础上给出了基于CPLD的各模块设计方法及其VHDL源程序-Abstract : Based on the CPLD and direct digital frequency synthesis (DDS) of a three-phase multi-function waveform Generator to the basic principles and on this basis given the CPLD based on the module design and VHDL source
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Size: 47722 |
Author: 陈鑫 |
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Description: 三相直接数字频率合成器dds的VHDL源码，希望对大家有帮助-three-phase direct digital frequency synthesizers dds VHDL source code, we hope to help
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Size: 17731 |
Author: xingyang |
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Description: 基于可编程逻辑器件CPLD和直接数字频率合成技术（DDS）的三相多波形函数发生器-based CPLD and direct digital frequency synthesis (DDS) over the three-phase waveforms letter Number Generator
Platform: |
Size: 92160 |
Author: liujl |
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Description: 摘要：介绍了基于可编程逻辑器件CPLD和直接数字频率合成技术（DDS）的三相多波形函数发生器的基本原理，并在此基础上给出了基于CPLD的各模块设计方法及其VHDL源程序-Abstract : Based on the CPLD and direct digital frequency synthesis (DDS) of a three-phase multi-function waveform Generator to the basic principles and on this basis given the CPLD based on the module design and VHDL source
Platform: |
Size: 47104 |
Author: 陈鑫 |
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Description: 三相直接数字频率合成器dds的VHDL源码，希望对大家有帮助-three-phase direct digital frequency synthesizers dds VHDL source code, we hope to help
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Size: 17408 |
Author: xingyang |
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Description: 摘 要：介绍了直接数字频率合成 (DDS) 技术的基本原理，给出了基于Altera公司FPGA器件的一个三相正弦信号发生器的设计方案，同时给出了其软件程序和仿真结果。仿真结果表明：该方法生成的三相正弦信号具有对称性好、波形失真小、频率精度高等优点，且输出频率可调。
关键词：直接数字频率合成；现场可编程门阵列；FPGA；三相正弦信号-Abstract: Direct Digital Synthesis (DDS) technology, the basic principles are given Altera-based FPGA devices the company a three-phase sinusoidal signal generator design program, at the same time give its software programs and simulation results. The simulation results show that: the method to generate three-phase sinusoidal signal with good symmetry, waveform distortion small, the frequency of high precision, and adjustable output frequency. Key words: direct digital synthesizer field programmable gate array FPGA three-phase sinusoidal signal
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Size: 101376 |
Author: 赵文 |
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Description: 低频数字式相位测试仪，本设计给出了以凌阳16位单片机Spce061A为核心的数字式相位测量的基本原理与实现方案。该系统由相位测量仪、数字式移相信号发生器和移相网络三个模块构成，分别由两块单片机独立地实现控制与显示功能。采用DDS技术生成两路正弦波信号，并通过改变存储器中数据读取的起始地址来实现数字移相的功能，用Ф-T变换技术来实现相位差的测量，使得测量分辨率精确到0.1º ，测得的频率与相位差值送入LCD进行显示，加入红外键盘以及语音播报的功能，使得系统具有智能化、人性化的特色。-Low-frequency digital phase tester, the design is given to SPCE061A Sunplus 16-bit single-chip microcomputer as the core of digital phase measurement and realization of the basic principles of the program. The system consists of phase-measuring instrument, digital shift believe that its generator and phase-shifting network of three modules, respectively, by two independent single-chip control and display functions. Using DDS technology to generate two sinusoidal signals, and by changing the data memory read start address to the realization of digital phase-shift function, with Ф-T transform technique to achieve the phase difference measurement, making accurate measurement resolution to 0.1 º , the measured frequency and phase difference value into the LCD display by adding infrared keyboard and voice broadcast function, the system has intelligent, user-friendly features.
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Size: 269312 |
Author: shiyan |
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Description: 本设计给出了以凌阳16位单片机Spce061A为核心的数字式相位测量的基本原理与实现方案。该系统由相位测量仪、数字式移相信号发生器和移相网络三个模块构成，分别由两块单片机独立地实现控制与显示功能。采用DDS技术生成两路正弦波信号，并通过改变存储器中数据读取的起始地址来实现数字移相的功能，用Ф-T变换技术来实现相位差的测量，使得测量分辨率精确到0.1o，测得的频率与相位差值送入LCD进行显示，加入红外键盘以及语音播报的功能，使得系统具有智能化、人性化的特色。-This design gives the basic principles and implementation of programs to Spce061A Sunplus 16-bit microcontroller as the core of digital phase measurement. The system consists of a phase meter, digital phase shifting generator and phase-shifting network of three modules, independently by two microcontroller for control and display functions, respectively. DDS technology used to generate two sine wave signals, and by changing the start address of the memory read data to realize the function of the digital phase shift, with Ф-T conversion technology to achieve a phase difference measurement, making accurate measurement resolution 0.1 the frequency and phase of the measured values into the LCD display, adding infrared keyboard and voice broadcast feature that makes the system with intelligent, user-friendly features.
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Size: 433152 |
Author: 何祥 |
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Description: 采用单片机控制DDS芯片来产生正弦信号，三相正弦信号发生器-Three-phase sinusoidal signal generator
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Size: 2048 |
Author: 李飞 |
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