The calibration of analog measurement instruments not equipped with computer interfaces does not benefit from the advantages of automatic calibration. 本课题是国防基础计量平台的科研项目,主要研究与实现模拟指针式仪表的自动检定系统。
Nowadays, since analog instruments are already applied in a wide-range, developing and studying intelligent valve positioner based-on HART protocol has valuable applications as well as a brilliant prospect in market field. 目前,由于模拟仪表的大量使用,开发研究基于HART协议的智能阀门定位器具有良好的应用价值和市场前景。
Design of Recognition System of Analog Measuring Instruments 指针式仪表识别系统的设计
To implement the automatic detection of the analog measuring instruments, an automatic system of detecting analog measuring instruments based on the technology of computer digital image processing is designed. 为了实现对指针式仪表的自动检定,设计了基于计算机数字图像处理技术的指针式仪表自动检定系统。
This paper uses an industrial computer instead of the old analog computer, and realizes auto-control by using sensors instead of manual control and mechanical instruments. 本文用一台工业控制计算机代替原老化淘汰的模拟电子计算机来模拟发动机特性,并将原有试验设备中的手动控制、机械式仪表改造成传感器测量,电动阀调节,实现计算机自动控制。
Power test is essential in measuring input electricity characteristics and input power characteristics of electro-acoustic transducers such as loudspeakers, horn loudspeakers, etc. Conventionally, simulated programmer signals for power tests are generated with analog instruments. 在测量扬声器等电声换能器的输入电特性和输入电功率特性时,都要使用模拟节目信号作为测试信号进行功率负荷试验,传统的方法是采用模拟仪器生成的。
Automatic Calibration System of Analog Measuring Instruments Using Machine Vision 基于机器视觉技术的模拟指针式仪表自动检定系统
A Formula for Analog Pattern Parameter Input in Intelligent Instruments 智能仪器参数模拟式输入解决方案
Analog temperature compensation crystal oscillator ( ATCXO) is widely used in electronic equipments such as communications, navigation, radar, mobile telephone, program control telephone, measure instruments etc. 模拟温度补偿晶体振荡器(ATCXO)广泛应用于通信、导航、雷达、移动通信、程控电话、测量仪器等电子设备中。
Research work on the application of HART protocol that is compatible with the currently operating 4~ 20 mA analog signal in field measuring instruments are described. 介绍了在现场检测仪表中应用与现行4~20mA模拟信号兼容的数字通信HART协议的研制工作。
Intelligence Identifying System of Analog Measuring Instruments 智能型指针式仪表识别系统的研究
The paper deeply inquires into the reason about discarding analog filter from nowaday instruments in respects of seismometer developing history, theory of analog filter, principle of reflecting wave and viewpoint of instrument factories. 文章从地震仪器发展史,模拟滤波器理论,地震反射波原理以及目前各仪器厂家所持观点等几个方面深入探讨了目前地震仪中去掉模拟滤波器的原因。
The techniques to treat analog signals with digital IC will profit to those who engaged in development of electronic instruments. 将数字集成电路用于模拟信号的处理方法对从事电子仪器仪表开发、维护的技术人员也具有一定的参考价值。
When the digital image processing technique is applied in the precision detecting of the analog measuring instruments, it has advantages of high precision detecting, high efficiency processing and auto-detecting. 将数字图像处理技术用于指针式仪表的精度检测,具有精度高、效率高、易于实现自动测量等优点。
At present, the reading of analog display instruments is usually completed by the artificial reading, however this method is influenced by the human subjective factor, so the reading error of the data is very big, and the reliability is low. 目前,这些指针式仪表的读数通常是由人工判读来完成,然而这种方法受人主观因素的影响,会导致判读的数据误差较大,可靠性不高。
Introduced a method for abstracting analog instruments 'characteristics. 仪表特征点提取方法。
The analog pointer measuring instruments are mostly used in turbocharger test in domestic factory and test data is read and calculated in artificial means. 大多仍然采用指针式仪表,通过人工方式读取试验数据并且进行计算。
The purpose of this paper is to use the artificial intelligence method by computer to research the automatic reading system of analog display instruments in order to replace this arid and the tired work of artificially reading. 本课题旨在采用人工智能的方法研究指针式仪表的自动识别系统,来代替人工识别这一枯燥而劳累的工作。
However, during the present time, most of the automotive instruments adopt the analog instruments of electro-mechanic. A few automotive instruments are only partially used in digital. 然而,当今的汽车仪表,大部分还是采用机电模拟仪表,只是在局部采用了数字化,整体数字化不高。
As the interface between the analog world and the digital world, Analog-to-Digital Converters ( ADC) are widely used in wireless communication systems, bio-medical instruments and consumer electronics products. 作为模拟世界与数字世界之间的桥梁,模数转换器(ADC)广泛应用于无线通信,生物医疗,消费电子等领域。
Analog instrumentations are very common measuring instruments in the application of industry area, these instruments need high precision check and measure in the pre-production. 指针式仪表是工业领域中应用非常普遍的测量仪表之一,这些仪表在出产前,需要对大批量的产品进行精度的检定。
At present, digital equipment has been replaced to some extent the traditional analog instruments. Digital signal processing can not do without high-quality sampling clock. 当前,数字化仪器已经在一定程度上取代了传统的模拟仪器,而数字信号处理离不开高精度的采样时钟。