The ultrasonic phased array system for monitoring the expanding of weld defect in steel bridge was researched.
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。
This amplifier has the good consistency and strong adaptability to the ultrasonic transducer, it meets the need of HIFU phased array.
该放大器一致性好，对于超声换能器阵元具有较强的适应性，能够满足相控型HIFU功率放大技术的要求。
Compared with traditional ultrasonic probe, ultrasonic phased array probe can realize transition, deflection and dynamic focusing of acoustic beam under electronic control.
与传统的超声波探头相比，超声相控阵探头可以实现电子控制下的声束平移、偏转与动态聚焦。
The basic principle of ultrasonic phased array inspection imaging technology and its new development in offshore platform structure inspection are described.
介绍了超声相控阵检测成像技术的基本原理及其在海洋平台结构检测中的最新进展。
Ultrasonic phased array technique can help to achieve flexible, controllable synthesized ultrasound beam by exciting each element of an ultrasonic array transducer with independent phase delay.
超声相控阵技术通过对超声阵列换能器中各阵元进行相位控制，获得灵活可控的合成波束。
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.
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。
Ultrasonic phased array testing is a new nondestructive testing technology.
相控阵超声检测技术在无损检测领域是一个新的技术手段。
In ultrasonic testing, ultrasonic phased array technology and synthetic aperture focusing technique have been proved to be two kinds of effective new technologies.
在超声检测领域，超声相控阵技术和合成孔径聚焦技术已被证明是两种行之有效的新技术。
The application of industrial ultrasonic phased array detection is still in the introductory stage in China. The key technology is researched and resolving scheme is put forward in the paper.
国内工业相控阵超声检测的应用尚处于起步阶段，本论文对其关键技术进行了研究并提出了解决方案。
Also, the system composing of phased array ultrasonic imaging and its key technique are given, which set base for underwater ultrasonic imaging in theory.
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。
The performance of the transducer array which is a key components in ultrasonic phased array system is greatly influenced by the transducer's geometric parameters.
阵列换能器是超声相控系统中的关键部件，换能器的几何参数对它的性能有很大影响。
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.
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。
Ultrasonic phased array technology USES an array of ultrasonic transducer array element for each phase control, access to flexible and controllable synthesis of beam.
超声相控阵技术通过对超声阵列换能器中各阵元进行相位控制，获得灵活可控的合成波束。
This paper focuses on developing a digital ultrasonic phased array transducer system which can realize the focusing and scanning of sound beams.
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。
PWA-1 automatic ultrasonic phased array testing system developed in our country was introduced, and the future improvement of the system was also described.
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。
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。
The intention is to provide an authorized basis and a source of reference for effective application and standardization of phased-array ultrasonic examination for pressure equipment in our country.
期望为国内承压设备相控阵超声检测的有效应用和标准化，提供法定依据和有用借鉴。
Abstract: ultrasonic phased array focusing ultrasonic energy on the inspected area to make the test results more obvious. The focus depth setting had great influence in defect quantification.
摘要：超声相控阵聚焦能将超声能量聚焦于被检区域，使检测结果更加明显，但缺陷定量结果受相控阵仪器聚焦深度的设置影响较大。
Ultrasonic phased array testing is a new technology with fine prospect in non-destructive testing.
超声相控阵探测技术是在工业无损检测领域具有良好应用前景的新技术。
Ultrasonic phased array testing is a new technology with fine prospect in non-destructive testing.
超声相控阵探测技术是在工业无损检测领域具有良好应用前景的新技术。
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