频率测量仪,frequency measuring instrument
1)frequency measuring instrument频率测量仪
英文短句/例句
1.Design of a High Precision Frequency Meter Based on Microcomputer基于单片机的高精度频率测量仪的设计
2.Research on the Measuring Instrument of Frequency-stabilized Semiconductor Laser Frequency Stability稳频半导体激光器频率稳定度测量仪的研制
3.Frequency measurement method design and implementation of microwave ranger finder微波测距仪频率测量的方法设计与实现
4.Line frequency and voltage tests for electronic measuring instrumentsGB/T6587.8-1986电子测量仪器电源频率与电压试验
5.Instrument Design and Research of High Precision Non-standard Frequency Measuring Technology;高精度非标准频率测量技术研究与仪器设计
6.wide-range vibration frequency analyzer宽量程振动频率分析仪
7.high-frequency dielectric loss measuring instrument高频电介质损耗测量仪
8.A Frequency Characteristic-testing Instrument Based on VI Technology;基于虚拟仪器技术的频率特性测试仪
9.High Frequency Electrosurgical Equipment Tester Design and Output Power Uncertainty Evaluation in Measurement高频电刀检测仪的设计和功率测量不确定度评定
10.spurious power meter乱真信号功率测量仪
11.for measuring the refractive index of a substance.测量物质折射率的仪器。
12.interferometer-measuring refractive indices测量折射率用干涉仪
13.an instrument for measuring the curvature of a surface.测量表面曲率的仪器。
14.temperature-conductivity indicator温度—电导率测量仪
15.A STUDY ON METHODS AND INSTRUMENTS OF CALIBRATING FINE FREQUENCY OF EDM光电测距仪精测尺频率校准方法与仪器的研究
16.preferred frequencies for acoustical measurement声学测量的最佳频率
17.A New HF Monitor Instrument for the Large Power Switch Power新型高频大功率开关电源的监测仪表
18.A Tester for Frequency Response Characteristic Based on DDS;基于DDS的频率特性测试仪的设计
相关短句/例句
frequency measuring instrument频率测量仪器
3)enthrakometer[,enθr?"k?mit?]超高频功率测量仪
4)frequency measuring频率测量
1.A new scheme offrequency measuring and signal automatic following was proposed.提出了一种基于AD9850的高频信号频率测量与信号跟踪方案,介绍了芯片AD9850的基本工作原理及性能特点,给出了基于AD9850的信号自动跟踪测量系统的硬件结构框图,并进行了分析说明。
2.This paper presents a useful method forfrequency measuring.频率是电力系统中一个十分重要的特征量,频率测量是电力系统测量装置中十分重要的环节。
3.The paper introduces the equal-precisionfrequency measuring principle, applied circuit and software design for sinlge-chip microcomputer AT89C51,char acterizde as wide-range and high-precision offrequency measuring.介绍单片机应用系统中的频率测量方法,其特点是在不需要复杂的传统等精度频率测量控制的情况下,利用单片机的自身特性,实现宽范围内实用、简单而且精度较高的等精度频率测量。
5)frequency measurement频率测量
1.High-accuracyfrequency measurement scheme and its implementation;高精度频率测量技术及其实现
2.Development of a new power systemfrequency measurement and alarm system;一种新的频率测量与报警系统的研制
3.Digital Frequency Measurement Based on CPLD;CPLD在数字频率测量中的应用
6)Measurement of frequency频率测量
1.AD9850 and its application in measurement of frequency;AD9850及其在频率测量中的应用
2.Based on the analyzing currently method of measurement of frequency,the principle of high quality measurement of frequency for SAW CO gas sensors is brought forward which unifies the Synchronous multicycle method and the frequency error multiplication method,with the aid of the entire synchronized mechanism and the frequency division technology.声表面波(SAW)CO气体传感器的输出量是频率,因此高精度频率测定是保证其可靠性和正确计量的关键之一;尽管目前有多种频率测量方法,但适合并与传感器相配套的微型、高精度频率仪在国内尚罕见报道;我们在研究了现有频率测量方法的基础上,借助全同步机制、分频技术,将频率误差倍增法和多周期同步法相结合得到了一种适合于声表面波(SAW)CO气体传感器输出频率的测量方法,并给出了实现频率测量的原理和电路及其主要的电子元件。
延伸阅读
频率测量见时间测量与频率测量。
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