数字频率计

用原理图法在单片CPLD上实现六位数字频率计

Implementation of Digital Frequency Meter Based on Single CPLD Device Using Schematic Method

基于VHDL语言的数字频率计电路的设计

Design of Digital Frequency Meter Based on VHDL

高精度数字频率计的FPGA设计实现

The design and realizing of high-accuracy digital cymometer in FPGA

基于FPGA自适应数字频率计的设计

Auto - adjusting digital cymometer based on FPGA

基于ISP器件的可编程变量程数字频率计的设计研究

Design of programmability variability range digital frequency meter based on ISP devices

介绍一种基于VHDL的采用自顶而下（uptobottom）设计方法实现的数字频率计。

The design method , which realizes digital frequency counter of up to bottom based on VHDL is introduced .

基于EDA技术的数字频率计的设计

Design on Digital Cymometer Based on EDA Technology

本系统采用了FPGA器件设计实现频率测量系统中的数字频率计设计。

This system hao fulfilled the design of digital cymometer of systematical frequency survey system by using the design of FPGA device .

用PIC单片机设计数字频率计

A Designing of Digital Frequency Meter Based on PIC

介绍了一种运用FPGA开发软件QuartusⅡ设计的数字频率计。

A digital frequency meter designed with FPGA development software Quartus II is introduced .

基于VHDL的数字频率计设计

Design of Digital Cymometer Based on VHDL

文中介绍了用CPLD设计制作十进制数字频率计系统的方法。

At last , the method of using CPLD to make decimal numerical frequency system is expounded in this article .

基于NIOSⅡ的多功能数字频率计的设计

Multi-Function Digital Frequency Meter Based on NIOS ⅱ

本文介绍了数字频率计的工作原理，应用VHDL设计的顶层文件及其运行结果。

This article introduces the principle of digital frequency indicator and presents VHDL top file and the results of its application .

通过例举基于FPGA的数字频率计的设计，阐述了如何利用FPGA/CPLD实现片上系统。

By the example of the digital frequency counter design on FPGA , this paper introduces the design of SOC ( System On Chip ) based on FPGA / CPLD .

文章介绍了用EDA技术作为开发手段，实现数字频率计的设计。系统基于VHDL语言，以CPLD为核心，具有体积小、可靠性高、灵活性强等特点

The design of a digital cymometer with EDA technology is presented in the paper Based on VHDL , and with CPLD as its core , this system features small volume , high reliability and good flexibility

介绍了一种以大规模可编程逻辑芯片为设计载体，以硬件描述语言VHDL为设计输入，采用模块化单元构建系统，进行数字频率计设计与开发的新方法。

This paper introduces a kind of extensive programmable logic chip to be the design carrier , VHDL as design input method that could design and develop the digital cymometer by using modularization cell design system .

本文采用自顶向下的设计方法，对数字频率计的核心&十进制计数器和测频控制信号发生器进行设计，其特点是将数字频率计的电路集成在一块大规模可编程逻辑器件（FPGA）芯片上。

The writer has adopted the design idea of top graphic to design the core chip , a decimal counter and a frequency controlling signal generator . Particularly , the circuit of the digital cymometer is designed on a grand scale programmable logic device FPGA .

介绍了全国大学生电子设计竞赛的赛前组织工作和辅导工作，并以基于单片机和CPLD的数字频率计为例说明学生进行设计的过程。

The training and organizing work for the national undergraduate electronic design competition is discussed in this article . According to the frequency counter based on MCU and CPLD that is designed by students , there emerge some questions in the design .

介绍了VHDL语言在数字频率计设计中的具体应用，说明了实现电子电路设计的自动化（EDA）过程和EDA技术在现代数字系统设计中的重要地位和作用

Introduces the material application of the vhdl language in the design of the digital cymometer Explains the process of the electronic design automatization ( EDA ) and the important function of EDA technology in the design of the modern digital system

自适应快速高精度数字频率计片上系统设计实现

SOC Implemetation of Self - Adaptive , High Sensitive Frequency Counter

基于通用集成电路的数字频率计设计与实现

Design and Implement of Digital Cymometer Based on General Integrated Circuit

高精度恒误差数字频率计设计

Digital cymometer design by using the theorem of high accuracy and constant error

介绍了数字频率计设计的基本原理。

This paper has introduced the basic principle of designing digital frequency meter .

基于单片机的数字频率计设计与制作

Designing and achieving of digital cymometer based on SCM

数字频率计的误差分析

Error Analysis Used by the Digital Frequency Meter

多功能数字频率计的设计

The Design of Multi-functional Digital Frequency Gauge

用单片机实现高精度数字频率计

High-accuracy Digital Frequency Meter Realize by Single-Chip-Computer

微波数字频率计的毫米波扩展

Millimeter-wave Frequency-extension for Microwave Digital Counters

其他功能模块的设计：详细介绍了全同步数字频率计的设计。

The design of other functional modules : described in detail the design of complete synchronization digital frequency meter .