就超声检测遇到的噪声问题提出了数字超声系统，对不同噪声采用不同的处理方法。
A digital ultrasonic testing system was developed and different methods were applied in different occasions according to their own characters.
在用数字超声系统进行焊接接头评价时发现，噪声是微弱超声信号检测的主要障碍。
In the evaluation of welded joint using digital ultrasonic system, it is found that it is noise that constitutes the main difficulty in the detection of weak ultrasonic signal.
联机试验表明，本文研制的基于DSP的数字化超声冲击电源可以使系统工作在谐振状态，冲击过程稳定。
On-line testing shows that, this digital ultrasonic peening power supply based on DSP can make the system work at the resonance state, and the peening process is stable.
目的设计一套数字化脉冲波超声多普勒系统，以实现多深度血流频谱分析和显示。
Objective To design a digital multigated PW ultrasound Doppler system and validate the system in experimental study.
所设计的多超声波传感器系统已成功地应用于数字农业研究平台车的实验研究中。
The multiple ultrasonic sensors system designed by us was successfully applied in the study and experimentation of digital agriculture research vehicle.
在该系统设计中，以FPGA芯片作为核心器件，通过底层软件编程实现高强度聚焦超声的数字化相位调控。
In the system design FPGA slug as a key device realizes digital phase control of high intensity focused ultrasound through base software programming.
为了解决数字农业平台车的障碍物判别问题，提出了一种基于多个超声波传感器的判别系统。
To solve the differentiating obstacle problem of digital agriculture research vehicle, this paper brought forward a differentiating system which based on multiple ultrasonic sensors.
论文主要研究应用于全数字超声诊断设备中的高性能数字扫描变换系统。
This dissertation mainly studies the high-performance digital scan conversion system applied in the digital ultrasound diagnostic equipment.
介绍车轮超声波探伤信号数字化处理的研究，以及系统的设计思想、构成和现场应用效果。
Research on the signal digitalization processing for ultrasonic inspection of train wheels is described including the design idea, composition and application results of the system.
提出了用于医用超声成像系统的一种数字化扫描变换器的新方案。
A new approach of digital scan converter for medical ultrasonic imaging system is proposed.
介绍了一种新型数字化超声波自动探伤系统。
A new digital automatic ultrasonic inspection system is presented.
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.
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.
设计了基于数字信号处理器的超声电机驱动控制系统，以数字波合成器作为超声信号发生器，以全桥逆变器为功放。
The USM driving control system based on digital signal processor was designed. The digital wave synthesizer was used as the signal generator, and the full-bridge inverter was used in power amplifier.
同时，分析了影响系统频谱特性的因素，对组建高性能超声数字信号分析系统很有意义。
The factors of spectrum that influence system characteristic were analyzed, it is of great importance to the establishment of analysis system of high-quality signal.
同时，分析了影响系统频谱特性的因素，对组建高性能超声数字信号分析系统很有意义。
The factors of spectrum that influence system characteristic were analyzed, it is of great importance to the establishment of analysis system of high-quality signal.
应用推荐