1)frequency measurement频率测量
1.High-accuracy frequency measurement scheme and its implementation;高精度频率测量技术及其实现
2.Development of a new power system frequency 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
英文短句/例句
1.Study of Power System Frequency Measurement and Under Frequency Load Shedding Scheme;电力系统频率测量及低频减载方案的研究
2.The application of frequency division technique in parameter measurement for SAW sensor分频技术在声表面波传感器频率测量中的应用
3.Frequency measurement method of power system based on wide area measurement system基于广域测量的电力系统频率测量方法
4.Research on Power System Frequency Measuring Method and Its Application;电力系统频率测量方法及应用的研究
5.Research on Frequency Measurement Based on Chaos and Its Simulation;基于混沌的频率测量方法及仿真研究
6.Application of MC9S12DG128 Microcontroller to Frequency Measuring SystemMC9S12DG128单片机在频率测量系统中的应用
7.Instantaneous Frequency Measuring System Design Based on TS201一种基于TS201的瞬时频率测量平台设计
8.A Frequency Measurement Method with High Accuracy Based on DSP一种基于DSP的高精度频率测量方法
9.preferred frequencies for acoustical measurement声学测量的最佳频率
10.Measurement of the Fequency Response of a Loudspeaker Using Butterworth Impulse用Butterworth脉冲测量扬声器的频率频响特性
11.Detail view of sensor to measure the inner pipe's resonant frequency.用来测量内管共振频率之感测器详图。
12.A Measurement System of 633nm Laser Frequency Stability;633nm稳频激光器频率稳定度测量系统设计
13.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
14.Accurate measurement of frequency response of high-speed optical intensity modulator using frequency sweeping method扫频法精确测量高速光调制器频率响应
15.Test and analysis of bicrystal Josephson junction mixer's conversion efficiency约瑟夫森双晶结混频器变频效率测量分析
16.Precise Velocity Measurement Approach in Dual-Carrier-Frequency Stepped-Frequency Radar双载频步进频率雷达精确速度测量方法
17.Preferred frequencies for the acoustical measurementGB/T3240-1982声学测量中的常用频率
18.Some Problems of Measurement Bandwidth in Time Domain Frequency Stability频率稳定度时域测量带宽的若干问题
相关短句/例句
frequency measuring频率测量
1.A new scheme of frequency 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 for frequency 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-precision frequency measuring principle, applied circuit and software design for sinlge-chip microcomputer AT89C51,char acterizde as wide-range and high-precision of frequency 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。
3)frequency measure频率测量
1.Frequency Measure Using the Phase of the GPS Carrier;GPS载波相位在频率测量中的应用
2.The frequency measure is done by adopting singlechip and CPLD.本文提出了一种基于单片机和CPLD的同步发电机自动准同期装置中的频率测量方法,介绍了频率测量的基本原理,在该原理的基础上采用单片机和CPLD综合技术实现了频率测量,CPLD进行频率检测,单片机进行数据处理与智能控制,并给出了测频电路的硬件电路图和软件流程图。
3.In order to improve measure accuracy,a frequency measure system based on DSP is introduced.针对在脉冲频率测量中,测量精度低的问题,提出了一种基于DSP芯片的频率测量系统。
4)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。
5)measuring frequency测量频率
1.New method for measuring frequency with chaotic system under strong noise density;强噪声下利用混沌系统测量频率的新方法
6)measuring frequency量测频率<测>
延伸阅读
频率测量 见时间测量与频率测量。