研制了针对钢结构桥梁焊缝缺陷扩展的超声相控阵监测系统。
The ultrasonic phased array system for monitoring the expanding of weld defect in steel bridge was researched.
高强度聚焦超声相控阵列的诸多参数直接影响着该系统的性能和制作成本。
All the parameters of high intensity focused ultrasound phased array may effect the performance and cost of the ultrasound therapeutic system.
提出海洋平台结构超声相控阵检测方案，并使用该系统在对比试件上进行试验。
Inspection scheme of offshore platform structure ultrasonic phased array was also presented, and the reference block of offshore platform structure was detected by this system.
数字波束合成技术是相控阵超声检测相对于其它超声检测所特有的，也是整个信号接收处理系统的核心技术。
Digital beam forming (DBF) is special for phased array ultrasonic transducer compared to other ultrasonic nondestructive testing and is also the kernel technology of the whole signal-receiving system.
还提出了相控阵超声成像的系统构成以及其中应用的关键技术指标，为水下超声成像的研究奠定了理论基础。
Also, the system composing of phased array ultrasonic imaging and its key technique are given, which set base for underwater ultrasonic imaging in theory.
本文是研制超声相控阵换能器动态聚焦系统，它包括数字式多通道信号发射系统和两种超声相控阵换能器。
This paper focuses on developing a digital ultrasonic phased array transducer system which can realize the focusing and scanning of sound beams.
对国内率先开发的PWA - 1型全自动相控阵超声检测系统进行了详细介绍，并对该系统的进一步开发进行了展望。
PWA-1 automatic ultrasonic phased array testing system developed in our country was introduced, and the future improvement of the system was also described.
初步试验和研究表明，相控阵超声无损检测系统比传统单探头超声无损检测具有信噪比高、缺陷分辨力强、有效探伤范围宽以及工作效率高等特点。
Preliminary test and study showed that phased array ultrasonic system was better in signal-to-noise ratio, more sensitive to defects, wider in testing range and higher in working efficiency...
初步试验和研究表明，相控阵超声无损检测系统比传统单探头超声无损检测具有信噪比高、缺陷分辨力强、有效探伤范围宽以及工作效率高等特点。
Preliminary test and study showed that phased array ultrasonic system was better in signal-to-noise ratio, more sensitive to defects, wider in testing range and higher in working efficiency...
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