The new monitor apparatus is automatically controlled 这套新的监护仪是自动控制的。
Teda has set up noise monitoring apparatus at main crossroads 天津开发区在主要路口建立了道路交通噪声监测装置。
Park time monitoring apparatus . time stamps : functional and technical characteristics 停车时间监控制器.记时打印机:功能及技术特性
Through many years of research and exploration of corporate scientific and technological personnel , we integrate advantages of many kinds of fellow products to develop out the ht - 2004 model monitoring apparatus 通过公司科技人员多年探索研究,集同行业多种产品优点研发出ht - 2004型图书监测仪。
Monitor apparatus can measure valid value of three phase voltage and current , power factor , three phase disequilibrium , instant flecker of short time and harmonic without twenty , degree and harmonic distortion total . the paper are laid on the following . ( 1 ) master plan and function of circuit , ( 2 ) hardware design including circuit and principle of a / d conversion , phase lock , liquid crystal display and keystroke and so on , ( 3 ) design of system software including digital filtering , fft , a / d conversion and monitor interface of pc , ( 4 ) system test 监测仪能够完成包括三相电压、三相电流的有效值、功率因数、三相不平衡、电压短期闪变、以及20次内的谐波、谐波相位、谐波失真总量等的测量。论文重点介绍了以下几部分: ( 1 )电路的总体设计和功能; ( 2 )硬件设计,包括a d转换、锁相环、液晶显示和按键输入等原理和电路。 ( 3 )系统软件设计,包括a d转换、 fft 、数字滤波等程序的原理和算法以及上位机监控界面的设计; ( 4 )系统测试。
According to the theory of structure vibration and the interaction mechanism of the system constituted by vibrating compactor and gravel soils , the theoretic warranty of dynamic monitoring for vibrating compaction is studied , and a data collecting system of the dynamic monitoring suited to the monitoring apparatus with acceleration transducers is established 摘要根据结构振动理论,分析了振动压实机械与被压土体的相互作用机理,研究了碎石土振动压实动态监测的理论依据,建立了一套适用于加速度监测仪的振动压实动态监测数据采集系统。
Firstly , developing status of routine test of hydroelectric generation set and trouble diagnosing in china and abroad are introduced ; secondly , the article specifies the structure of cims and basic theory and technology . cims is composed of monitoring apparatus and analyzing system , signal processing uses fft and df ; in the end , function of cims is specified . monitoring apparatus is designed of 80c196kb and 89c52 , the monitoring soft adopts microsoft visual basic 6 . 0 and the database is developed of microsoft access 2000 文章首先介绍了水电机组常规试验及故障诊断国内外发展现状;然后给出了系统的结构框架和理论技术说明,本系统由监测装置和软件分析系统组成,信号处理采用了快速傅利叶变换和数字滤波技术;最后详细分析了系统功能,监测装置使用80c196kb和89c52单片机技术开发,监测软件使用visualbasic6 . 0语言编制,数据库采用microsoftaccess2000 ,监测系统分为三大部分:运行状态监测模块、故障分析及数据处理模块、水轮发电机组常规试验模块。