超声探伤仪

提出了一种基于ARM与DSP方案的高性能超声探伤仪，并分析了关键接口电路。

A high-powered ultrasonic testing system based on ARM and DSP was provided , and the circuit conjunction of the main interface was analyzed .

数字化超声探伤仪在UT探伤中的应用

Application of Digital Ultrasonic Detector in UT Detection

本文利用PC计算机、传统超声探伤仪和高性能数字示波器构成了一个数字化超声检测系统，该系统由数字示波器完成数据采集任务，具有抗干扰能力强、可靠性高的优点。

A digitized ultrasonic detection system is constructed with personal computer ( PC ), ultrasonic defect detector and high-powered digital oscilloscope . In the system , high-powered digital oscilloscope perform data acquisition . It has advantages of strong antijamming capability and high reliability .

采用由声速测量探头与CTS-3600数字式超声探伤仪组成的声速测量装置，对超声波在近临界CO2中传播特性进行了研究。

By using a sound speed measurement device composed of probe and CTS-3600 digital ultrasonic velocity measurement , ultrasonic propagation characteristic in near-critical CO2 has been studied .

本次实验通过设计和制作对比试块，利用数字超声探伤仪研究了烧结WCu／Cu（CrCu）结合面粘结缺陷的超声探伤问题。

This paper investigated the Ultrasonic Nondestructive Testing ( UNDT ) problem on the bonded layer between WCu and Cu ( or CrCu ), which is an ideal and widely used material for contact , by using digital Ultrasonic testing device through design and manufacture appropriate reference blocks .

基于PC/104的数字超声探伤仪的研究

Research of Digital Ultrasonic Flaw Detector Based on PC / 104

成功地将超声探伤仪输出的模拟信号数字化。

The analog signals of ultrasonic fault detector are digitalized successfully .

数字化超声探伤仪数据压缩器设计检测超声电焊机的数字化

Design of data-compaction instrument in digital ultrasonic flaw detection device

新型双核结构全数字超声探伤仪

New-style All Digital Ultrasound Detecting Instrument with Dual Cores Structure

超声探伤仪是目前使用最广泛的无损检测设备。

Ultrasonic examination equipment is used widely as a non-destructive test equipment .

嵌入式超声探伤仪的信息采集及处理

Acquisition and Processing of Information for Embedded Ultrasonic Detector

小波变换在超声探伤仪检测回波处理中的应用

Application of Wavelet Transform to the Testing Echo Processing of Ultrasonic Flaw Detector

数字式超声探伤仪的定位调节及液浸探伤应用

Locating adjustment of digital ultrasonic detector and immersion testing

高速数字信号技术在钢轨超声探伤仪中的应用

Application of High-speed DSP Technology in Rail Ultrasonic Detector

数字化超声探伤仪中超声信号高速采集技术

High rate sampling technique for ultrasonic signal in the digital ultrasonic inspecting instrument

超声探伤仪检波电路的新方案

A New Detecting Scheme for Ultrasonic Flaw Detector

本文利用嵌入式系统实现超声探伤仪来实现信息的实时采集与处理。

Real-time acquisition and processing of information are realized by utilizing embedded ultrasonic detector .

超声探伤仪智能系统设计

Design of intelligent ultrasonic flaw detector system

认识数字超声探伤仪

Knowledge of digital ultrasonic detector

在数字化超声探伤仪外置盒的初期的研究中，由于系统的复杂性，只是对数字电路部分进行了研究和设计。

Because of outside box of digital ultrasonic flaw detection is complex , we only study of digital part .

探讨了数字式超声探伤仪设计中一种对超声信号进行高速采集技术。

A high rate sampling technique for ultrasonic signal in the design of digital ultrasonic inspecting instrument is discussed .

系统实验证明，以此电路为基础的超声探伤仪精度高.能获得较为理想的回波电脉冲信号.工作稳定。

Experimental results show that the ultrasonic instrument based on the circuit can works stably with a high accuracy .

随着电子技术和软件的进一步发展，数字化超声探伤仪有着广阔的发展前景。

With the further development of the electronics and software , the numeralization ultrasonic testing instrument will hold a bright prospect .

针对数字超声探伤仪模数变换速率不够高而带来的回波信号失真，介绍了一种频率抽样插值滤波器。

A discrete frequency interpolator is introduced to solve the problem of signal distortion caused by insufficient A / D sampling rate of digital ultrasonic flaw detector .

阐述了在超声探伤仪原理基础上，采用计算机技术研制的B/C扫描成像系统的原理及软件技术。

The principle and its software of a B / C scan image system which is developed by computer technique is described on the basis of ultrasonic flaw detection principles .

目前国内生产的超声探伤仪主要是以微处理器为核心，以大规模集成芯片为外围电路的智能化仪器。

Most of the domestic intelligent products of ultrasonic defect detection use microchip computers as the core units and Large Scale Integration ( LSI ) chips as their peripheral circuits .

本文首先在第二章中简单介绍了超声波、超声波换能器及A型超声探伤仪的原理，为后续的设计提供必要的理论指导，然后进行了A型超声探伤仪的硬件电路的方案设计。

The theory of ultrasonic and A type ultrasonic flaw detector are firstly introduced on chapter two for directing the design followed . Then a design of A type ultrasonic flaw detector is made .

本文主要完成的工作：（1）以脉冲反射式超声波探伤仪通用技术为基础，自行设计开发了以DSP&CPLD为核心的数字式钢轨超声探伤仪，包括软件部分和硬件部分。

The main achievements include : ( 1 ) Based on the technique of A-type ultrasonic pulse echo flaw testing instrument , the DSP & CPLD-centered digital rail ultrasonic detector , including its software part and hardware part , is designed .

本文设计并实现了超声钢轨探伤仪的软件系统，它运行在以ARM为CPU核心的嵌入式Linux操作系统，是超声钢轨探伤仪的重要组成部分。

The software system runs on the Linux operating system of embedded ARM CPU core , which is an important part of rail detector .

超声钢轨探伤仪是专门针对钢轨探伤而设计的多功能探伤设备，为探伤人员提供了较全面的自动化探伤功能。

Ultrasonic Rail Flaw Detector is a multi-channel rail flaw detecting equipment providing comprehensive automatically testing functions which is designed specifically for rail .