着重研究了影响近场测量精度的两种误差：扫描探头定位误差和有限扫描面截断误差。
To begin with, the influence that plane scanning error has on the far field is analyzed and the upper boundary of the error is formulated.
扫描隧道显微镜(STM)的工作方式是把电压加到显微镜探头尖端与被扫描物体这两端，然后检测电流变化。
Scanning tunneling microscope (STM) work by the voltage added to the microscope probe tip and the ends of the scanned object and then detect current changes.
扫描隧道显微镜(STM)的工作方式是把电压加到显微镜探头尖端与被扫描物体这两端，然后检测电流变化。
An STM works by applying a voltage between the microscope's tip and the material it is scanning, and then monitoring the change in current.
各类专业扫描仪，探头和其他用具都已精心布置完毕，只等开始。
An assortment of specialist scanners, probes and other paraphernalia are carefully laid out, ready for action.
实验表明，该液相探头具有良好的液态环境扫描性能，图像稳定，分辨力高。
Experiments show that the liquid phase detector is reliable stability in liquid, the images are distinct and have high resolution.
介绍超声扫描成像技术在罐壁测厚中的应用。测厚系统采用多通道探头、PCI总线超声波界面卡和网络数据传输技术。
The wall thickness measurement system by ultrasonic scan imaging technology was described, in which multi-channel probe, pulser-receiver PCI card and network were applied successfully.
描述了由计算机控制探头阵列电扫描对列车轮对探伤工作模式，以取代机械扫描方式。
The replacing of mechanic scan with electric scanning one line probes controlled by a computer to realize flaw detection of twin train wheels is introduced.
方法使用宽频凸阵探头、对输尿管可疑部位、变化进行二维灰阶、彩色和能量多普勒扫描。
Methods Using broadband convex array probe, to scan suspicious area of the ureter, changes of two-dimensional gray scale, with color and power Doppler.
图像传感探头自动扫描整块电池板，并由距离传感器控制，始终保持采集图像清晰。
An imaging probe automatically scans the whole array and keeps the image clear through the control of a distance sensor.
经过9年对天际的扫描，威尔金森各向异性微波探头(WMAP)航天任务得出了对宇宙微波背景辐射(及宇宙早期“光线”)的观测结论。
After nine years of scanning the sky, the Wilkinson microwave Anisotropy Probe (WMAP) space mission has concluded its observations of the cosmic microwave background, the oldest light in the universe.
本论文将窄角扇束扫描看成是多探头的平行束扫描。
This paper regards narrow fan-beam scan mode as multi-detector parallel beam scan mode.
简要介绍了超声特征扫描(F扫描)成像方法的原理、扫描系统的设计和聚焦探头的制作等。
A new ultrasonic imaging method, feature scan (F-scan) imaging, was introduced including its inspecting principle, scanning system design and focusing transducer manufacture and so on.
该装置采用全油浸耦合，用聚束探头检测近表面缺陷，用表面波检测表面裂纹，用计算机化c扫描定量缺陷尺寸。
By oil immersion coupling. the system can be used to detect near surface defects with focussing probe. find surface cracks with surface wave probe and determine defect size with computerized C-scan.
系统以超声波作为检测信号源，采用多探头多方位扫描、液浸法的方式对齿轮进行检测。
The system uses ultrasonic wave as signal source, with the multi-probe multi-directions sweep, and fluid soak method test the gear.
采用全新的光路追踪方案与探针扫描方式，消除了测试过程中横向扫描和纵向反馈带来的误差，开放式的探头设计使液相操作更为便捷。
An innovative laser beam tracking system is proposed to eliminate the tracking and feedback errors. The open probe design of the AFM makes the operation in liquid convenient and easy.
采用全新的光路追踪方案与探针扫描方式，消除了测试过程中横向扫描和纵向反馈带来的误差，开放式的探头设计使液相操作更为便捷。
An innovative laser beam tracking system is proposed to eliminate the tracking and feedback errors. The open probe design of the AFM makes the operation in liquid convenient and easy.
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