数字频率计是一种基本的测量仪器。
The digital cymometer is a kind of basic measuring instrument.
介绍了一种利用EDA技术设计的数字频率计。
This paper discusses the digital cymometer design principles by using EDA technology.
简述了基于FPGA/CPLD技术的数字频率计的总体设计。
This paper illustrates the general design of digital frequency meter based on FPGA/CPLD Technology.
数字频率计是直接用十进制数字显示被测信号频率的一种测量装置。
The digital frequency meter is a device which is one kind of using decimal system digital directly display the signal frequency.
实验四频率计实验要求：设计一个有效位为4位的十进制的数字频率计。
Experiment iv Cymometer experimental requirements: design of an effective place for the 4 decimal digital frequency meter.
该设计比以前老式的设计有较大改进，使数字频率计具有高精度和高速的特点。
There was greater improvement to it's time to design the design more outdated than before, made the digital cymometer have high accuracy and high-speed characteristic.
在数字电路中，数字频率计属于时序电路，它主要由具有记忆功能的触发器构成。
In the digital circuit, the digital frequency meter belongs to the sequence circuit, it mainly by has the memory function trigger constitution.
本文介绍了一种同步测周期计数器的设计，并基于该计数器设计了一个高精度的数字频率计。
The design of a counter measuring synchronous period is introduced in this paper. And based on it, a high precision digital cymometer is designed.
在对转速和金属裂纹的数字检测中，我们应用pmos和CMOS组件设计了两种数字频率计。
In measuring the speed of rotation and the depth of metal crack, PMOSICs and CMOSICs were employed to design two kinds of digital frequency counters.
介绍了一种基于数字频率计原理，以at89 C5 1单片机为控制器件的新型频率测量方法。
A new method of frequency measurement based on the theory of digital frequency meter is presented. The MCU AT89C51 is used for the center controller.
介绍了具有频率测量、脉冲周期测量、脉冲宽度测量以及脉冲信号占空比测量等功能的数字频率计。
It introduces a digital cymometer which has the functions of frequency measuring, pulse cycle measuring, pulse width measuring and pulse signal ratio measuring.
数字频率计是近代电子技术领域的重要测量工具之一，同时也是其他许多领域广泛应用的测量仪器。
Digital cymometer is one of the important measurement tools in the field of modern electronic technology, it is also widely used in many other areas of the measuring instruments.
该数字频率计达到预期要求，实现了可变量程测量，测量范围0.1Hz—9999MHz，精度可达0。
The digital frequency meter to achieve the desired requirements of the variable-range measurement, measuring range 0.1Hz-9999MHz, accuracy up to 0.1Hz.
该数字频率计达到预期要求，实现了可变量程测量，测量范围0.1Hz—9999MHz，精度可达0。
The digital frequency meter to achieve the desired requirements of the variable-range measurement, measuring range 0.1Hz-9999MHz, accuracy up to 0.1Hz.
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