Design of Portable Ultrasonic Flowmeter Based On FPGA 基于FPGA的便携式超声波流量计设计
Time Difference Ultrasonic Flowmeter and Its Simple Arithmetic 一种时差式超声波流量计及其简化算法
Study on Methods of Online Calibration for Ultrasonic flowmeter Apply to Liquid Flowmeter 超声流量计用于液体流量仪表在线校准方法研究
The method in this paper is used by the ultrasonic flowmeter and a very good effect has been obtained. 该方法已应用在超声波流量计中,收到了很好的效果。
The Research on Improving the Resolution of Ultrasonic flowmeter based on Microchip 基于单片机提高超声波分辨力的方法研究
Doppler ultrasonic flowmeter application make one seat liquid and some gas flow, Understand that its operation principle will contribute to ensuring its performance to optimize most. 多普勒超声波流量计正在液体以及某些气体流量测量应用方面取得一席之地,了解其工作原理将有助于保障其性能最优化。
This article points out that using the portable ultrasonic flowmeter can realize the large-caliber flowmeters on-line testing and calibration. 文章指出采用便携式超声波流量计可以实现在线大口径流量计的检测及校准,并介绍了检测步骤和检测时需要满足的条件。
This stationary ultrasonic flowmeter is simply clamped on to the existing pipeline. 这种固定式的超声波流量计可以方便地夹在已有管道的外侧。
On-line Verification of Electromagnetic Flowmeter and Ultrasonic Flowmeter 电磁流量计和超声流量计在线验证
Introduces the theory basis, structure, circuit principle, working mode and characteristics of ultrasonic flowmeter we designed. 介绍了生产测井超声流量计设计的理论基础以及仪器结构、电路原理、工作方式和特点。
Compared with the traditional ultrasonic flowmeter, the system has well stability, precision and practicality. 与传统时差法超声波流量计相比,该系统稳定性好,测量精度较高,具有良好的实用价值和推广价值。
The Application of CPLD Technique in Time Difference Method Ultrasonic Flowmeter CPLD技术在时差法超声波流量计中的应用
Introduced are the structure, measuring principle and speciality of the memory ultrasonic flowmeter. 介绍了存储式超声流量计的仪器结构、测量原理和特点。
In this paper, a gas ultrasonic flowmeter with transit-time difference measurement has been designed. 本文研制时差法气体超声波流量计,包括流量计硬件电子线路和软件设计。
Classification of ultrasonic flowmeter was expounded systematically. 系统阐述了超声波流量计的分类方法;
The paper introduces the measuing method and the application of the memory ultrasonic flowmeter and the direct-reading ultrasonic flowmete. 文章介绍了存储式和直读式两种超声波流量计的测试方法及其应用。
This article describes the design of a high precision ultrasonic flowmeter. 文章报导了一种新型高精度超声波流量计的系统设计。
Hardware circuit of mainboard in ultrasonic flowmeter open channel is designed and the realization of scheme is also given. 对超声波明渠流量计主控板的硬件电路进行了设计,完成了电路原理图和电路板的制作。
And the rapid development of electronic technology has extended the advantages of ultrasonic flowmeter in practical application. 而电子技术的飞速发展使超声波流量计的优势在实际应用中得到了充分体现。
Factors affecting the measurement accuracy of ultrasonic flowmeter is detailed analyzed, on this basis, given the system design ideas. The following research results have been achieved: The first step is to send and receive high-quality ultrasonic wave. 对影响超声波流量计测量精度的因素进行了细致分析,在此基础上进行了相关设计,主要取得了以下研究成果:优质的超声波发送和接收是第一步。
Transmission time is a key factor to affect the accuracy of ultrasonic flowmeter. 在影响超声波流量计精度的因素中,时间测量是关键。