测频,frequency measurement
1)frequency measurement测频
1.the Method of Frequency Measurement Based on TMS320F2812 Event Manager;基于TMS320F2812事件管理器的一种测频方法
2.Introduction to a Pretreatment Circuit for Frequency Measurement of Residual Voltage Signals for Speed Governor of Hydro Turbine;介绍一种水轮机调速器残压测频信号预处理电路
3.Thefrequency measurement principle and operation process were introduced in detail;the real operation shown that the new speed relay is qualified for the power station requirement.针对以往转速继电器存在可靠性低等问题,提出了一种基于PCC的数字式转速继电器,着重分析了测频的原理和数字式转速继电器的工作过程,实际验证其工作可靠,完全满足现代电厂对相关转速保护的要求。
英文短句/例句
1.Single Frequency Estimator Based on Prefilter基于前置滤波器的单频信号测频方法
2.video auto-channel measuring apparatus视频自动频道测试仪
3.VHF and UHF direction finder甚高频与超高频测向器
4.high and very high frequency direction finding高频和甚高频测向仪
5.FM-FM system调频-调频遥测系统
6.telemetering system of frequency division type频分（制）遥测系统
7.stroboscopic instrumentatio频闪观测仪式检测仪表
8.Frequency Monitor and Frequency Selection Method Research of High-Frequency Software Defined Radar;软件高频雷达频率监测及选频方法的研究
9.A Simple and Easy Test Method of Conversion Loss of a Mixer混频器变频损耗的一种简易测试方法
10.The Simulation and Frequency Spectrum Measurement on the Key Circuit of RF Front-End;射频前端关键电路的模拟与频谱测量
11.Design for UHF RFID automatic test systemUHF频段RFID射频自动测试系统设计
12.Time-Frequency Analysis on The High Frequency Magnetotelluric Sounding DataEH4高频大地电磁测深数据的时频分析
13.A Prediction Method of FH Frequency based on Degree of Incidence一种基于关联度的跳频频率预测方法
14.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
15.Telemetry Performance Analysis of DS/FH Hybrid Spread Spectrum Signal直扩/跳频混合扩频信号测量性能分析
16.radio frequency emission testing无线电频率放射测试
17.satellite Doppler shift measurement卫星多普勒频移测量
18.very high frequency receiver testing generator甚高频接收测试发生器
相关短句/例句
frequency measuring测频
1.Design of afrequency measuring system for vibrating-wire sensor;振弦式传感器测频系统的设计
2.Based on conventional confining pressure regulating experience, specific measuring converting circuit andfrequency measuring interface are designed for LP05C reciprocati.文章以LP0 5C往复柱塞平流泵为对象 ,设计了测量转换电路、测频接口 ;以调整环压的传统经验为基础 ,编制了控制软件 ,最终采用计算机对流压及环压进行实时监控 ,实现岩心流动试验装置压力系统的自动控
3)measuring frequency测频
1.In order to improve the reliability and behavior indexes of turbine genernor and to satisfy the automatic level of power station and people’s aesthetic requirements,research of some problems was performed,includingmeasuring frequency of turbine PLC governor,human machine interface,sampling period,communication,failure treatment,parameters setting,electric power supply,etc.为了提高水轮机调速器可靠性和性能指标 ,满足水电厂日益提高的自动化水平和人们的审美观念 ,对水轮机可编程调速器的测频、人机界面、采样周期、通讯、故障处理、参数设置、电源等问题进行了分析研究。
2.In order to meet the requirement of vibrating wire sensor s data acquisition in large scale structural safety monitoring,a practical method was presented,which can be used to equal accuratemeasuring frequency.为了满足大型结构安全监测中振弦式传感器的数据采集需求,提出了一种用等精度测频实现振弦式传感器频率测量的实用方法,并给出了具体的硬件电路,系统硬件分为3部分:激振电路、测振电路、温度补偿电路。
4)frequency measure测频
1.The system combines the big competence of processing information of scillograph and the high precision offrequency measurement.阐述了电子计数测量法原理,采用CPLD器件设计测量电路的硬件测频系统,该系统利用现有示波器的强大信号处理能力以及常规频率计的高精度,其测量范围可达0。
5)frequency test测频
1.This paper intends to introduce a method offrequency test of various circuits of type 8031 SCP and its application in the comprehensive figure display instrument of tower cranes.本文介绍８０３１单片机多路测频的一种方法及其在塔吊综合数显仪中的应用。
6)frequent testing频测
延伸阅读
2-甲氧基-5-吡啶硼酸频哪醇酯分子式：C12H18BNO3分子量：235.09CAS号：445264-61-9性质：熔点47-51°C。
