cymometer

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.

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。

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The functions of the arbitrary signal generator and cymometer can be realized with this instrument.

该仪器可以实现任意波形发生器和频率计等多种常用电子仪器的功能。

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Realization of the Same Measuring Precision Cymometer Using Low Cost Microcontroller

等精度测频仪的低成本微控制器实现

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

高精度数字频率计的FPGA设计实现

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Design of intelligent high-speed cymometer

智能高速频率计设计

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Design and Implement of Digital Cymometer Based on General Integrated Circuit

基于通用集成电路的数字频率计设计与实现

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The Execution of Equal-precision Cymometer Based on Single-Chip Controller

基于单片微机控制的等精度频率计设计制作

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The instrumentation is incorporated a digital cymometer and a function generator, which consists of massive integrated circuits characterized by its unique features.

所述仪器由大规模集成电路构成，集数字颇率与函数发生器于一体，具有与同类仪器不同的特点。

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A Research on High-speed Digital Cymometer/ Dynamometer based on NIOS ⅱ

基于NIOSⅡ的高速数字频率功率计研究

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The design of a counter measuring synchronous period is introduced in this paper. And based on it, a high precision digital cymometer is designed.

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。

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The high-resolution frequency control is implemented by the feedback of the cymometer which is programmed in CPLD, Frequencies will be very stable.

在CPLD内部实现了频率计功能，通过对输出频率进行反馈，实现对输出波形的频率进行精细调节，使输出频率更稳定。

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Design of Equal Precision Cymometer by MCU and FPGA

基于单片机与FPGA的等精度频率计设计

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In the digital circuit, the digital cymometer is the circuit of time sequence, it is mainly formed by trigger with memory function.

在模拟电路中，函数发生器属于时序电路，它主要由具有记忆功能的触发器构成。

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It introduces a digital cymometer which has the functions of frequency measuring, pulse cycle measuring, pulse width measuring and pulse signal ratio measuring.

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。

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Auto-adjusting digital cymometer based on FPGA

基于FPGA自适应数字频率计的设计

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Design of Digital Cymometer Based on VHDL

基于VHDL的数字频率计设计

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Based on equal precision frequency principle, this design avoids traditional cymometer's defect that precision declines as the frequency measured declines.

根据等精度测频原理，本设计克服了基于传统测频原理的频率计的测量精度随被测信号频率的下降而降低的缺点。

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The cymometer design has important theoretical significance and practical application value, which adopts VHDL language programming, with the FPGA for hardware design carrier and the integrated development tool based on the SOPC.

采用VHDL语言编程、以FPGA为硬件设计载体、基于SOPC集成开发工具的频率计的设计，具有重要的理论意义和实际应用价值。

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

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。

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Design on Digital Cymometer Based on EDA Technology

基于EDA技术的数字频率计的设计

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Photoelectric cymometer of short-circuit transfer for gas shielded arc welding

光电式CO2气体保护焊短路过渡频率仪的研制

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The dissertation discusses the design process of a 1 Hz~ 4 GHz frequency measuring range and high resolution cymometer.

论述了一种频率测量范围为1Hz~4GHz、高分辨率频率计的设计方法。

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The software part of the cymometer was designed in assembler language.

对于频率计的软件部分，是用汇编语言设计而成的。

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The reach paper mainly discusses the design process of multi-function cymometer that uses CPLD to count the frequency measurement and cymometer is also controled by signal chip computer.

本文主要论述了利用CPLD进行测频计数，单片机实施控制实现多功能频率计的设计过程。

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Designing and achieving of digital cymometer based on SCM

基于单片机的数字频率计设计与制作

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This cymometer uses CPLD to realize the measuring count of frequency, period, pulse width and occupy-empty ratio.

该频率计利用CPLD来实现频率、周期、脉宽和占空比的测量计数。

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Research on High-Precision Cymometer System Based on All Phase FFT

基于全相位FFT的高精度频率计系统研究

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Design of high speed and equal precision cymometer through CPLD

利用CPLD设计高速等精度频率测量仪

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

高精度恒误差数字频率计设计

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This cymometer is designed by the complete synchronous digital frequency measurement method based on the programmable logic devices FPGA.

本频率计采用的是全同步数字测频法并在FPGA可编程逻辑器件上进行设计实现。

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