Determination of thickness of plastic film and sheeting by mechanical scanning GB/T6672-1986塑料薄膜和薄片厚度的测定机械测量法
Study on Keeping Sharpening Ratio Constant Technique in DBS Mode of Mechanical Scanning Radar 机械扫描雷达DBS模式下的锐化比恒定技术研究
Design of Flat LED Display Screen Based on Mechanical Scanning 机械扫描式平面LED显示屏的设计
Introduced the configuration of typical ion implanter, analyzed the importance of the implantation mechanical scanning technology. 简单介绍了典型离子注入机的组成,分析了离子注入机中扫描技术的重要性。
The result of the optical mechanical scanning image processing program show that achieving high-frequency images from low-frequency scanning images is feasible in algorithm, and the processing effect is comparatively good. 光机扫描图像处理程序的处理结果说明把低频光机扫描图像转化为高频数字图像在算法上是可行的,处理效果也是比较好的。
A High-speed Mechanical Scanning System for Measuring Micro Figure 用于测量微图形的高速机械扫描系统
Study of Data Fit about Thermal-wave Images by Optical Mechanical Scanning 光机扫描的热波图像的数据拟合研究
The approach for utilizing digital holography combined with complex amplitude to reconstruct particle field distribution is studied and reconstructed numerically, which avoids not only traditional holographic physical and chemical processing, but also mechanical scanning of reconstructed 3D images. 研究了利用数字全息技术结合复振幅信息对粒子场分布进行重现的方法,并进行了数值重现,避免了传统全息图的物理化学处理过程,而且不必对再现的三维图像进行繁琐的扫描记录。
The conventional mechanical scanning radar is gradually replaced by powerful electric scanning phased array radar in the application as an airborne radar due to its limited scanning speed. 传统的机械扫描雷达由于受其扫描速度的限制,在机载雷达的应用中已逐步被功能强大的电扫描相控阵雷达所取代。
With high precision linear CCD as measuring sensor and combining with a mechanical scanning method, a quick measurement for the aperture of wire drawing die is carried out by the parallel light projection method. 采用平行光投影法,以高精度线阵CCD为测量传感器,结合机械扫描方法,完成对拉丝模孔径的快速检测。
This paper describes the structure and principle of high-speed mechanical scanning system, and analyses the errors in the system. 本文介绍了高速机械扫描系统的结构和原理,分析了它的精度。
The method has been applied in mechanical scanning antenna servo system. 该方法在机械扫描天线伺服系统中得到了一定的应用。
Applications of thermal-wave images by optical mechanical scanning are introduced, and the fitting method about such thermal-wave images is explained in detail. 介绍了光机扫描的热波图像的应用,详细描述了这类热波图像的拟合方法。
Design principles of speed change scanning and control techniques to realize high uniformity and high repeatability of implantation dose in full mechanical scanning target chamber of high current implantation system are discussed. 本文讨论了强流离子注入机的全机械扫描靶室中实现剂量高均匀性和高重复性注入的变速扫描设计原理及控制技术。
Operational modular imaging spectrometer ( OMIS), an advanced optical mechanical scanning imaging spectrometer was developed. 介绍研制的一种先进的光机扫描光谱成像仪,即实用型模块化成像光谱仪(OMIS)。
Its detector is a flow gas position sensitive proportional counter, which replaces the traditional mechanical scanning device. 它是以流气式位置灵敏正比计数器作为探测器代替了传统的机械扫描式的色层分析装置为其主要特征。
This acoustic microscope consists of very concise hardware, which includes a mechanical scanning system and a PC with a super high-speed A/ D converting card and a fast pulse generating and signal receiving card. 它的硬件特别简单,仅由一台带有超高速A/D卡和快脉冲收发卡的PC机和机械扫描系统组成;
A precision mechanical scanning system of BCT-3 high resolution industrial X-CT is introduced. 本文介绍了BCT-3型高分辨工业X-CT的机械扫描系统设计。
The work principle, structure and characteristics of several kinds of acoustic microimaging devices are briefly introduced in this paper, such as scanning laser acoustic microscope, mechanical scanning acoustic microscope and C-mode scanning acoustic microscope. 简要介绍激光扫描声学显微镜、机械扫描声学显微镜、C模型扫描声学显微镜的工作原理、结构和特性,并对在电子工业中的应用进行了讨论。
The physical spectral method of color measurement generally includes mechanical scanning type and electronic scanning one. 物理分光光度测色方法主要有机械扫描式和电子扫描式两大类。
Combining wiht the mechanical scanning the on-line detection of roller shape is implemented. 结合机械扫描,完成了辊型的在线检测。
Since the antenna under test and the probe are stationary and control of the phase of antenna element is only needed, the method is actually an electrical scanning approach substituting the traditional mechanical scanning. 由于使用该方法时要求被测天线和探头均固定不动,仅要求对天线各单元的配相进行控制,故实际上这是用电扫描方法来代替传统的机械扫描方法。
The periodic variable-speed motion was needed in the mechanical scanning and driving system of microwave remote sensor. According to the controlling requirement of speed and position, a driving and controlling system was developed using the stepping motor as executive component. 针对存在周期性变速运动的微波遥感器机械扫描驱动系统,根据其扫描运动的速度、位置控制要求,采用步进电机做为执行元件研制开发了一套驱动控制系统。
Because there are no precision mechanical scanning system and no use of interferometer; the system machinery stability, temperature stability and repeatability can be improved. 并且整个波长测量系统没有采用精密机械扫描和干涉仪结构,有利于提高系统机械、温度稳定性及重复性。
From scanning mode, the laser radar system experienced mechanical scanning mode and non-scanned mode. The Optical phased arrays ( OPA) laser radar system has high response speed and controlling precision, besides, the OPA laser radar system has flexibility in programmable scanning mode. 从扫描方式来看激光雷达经历了机械扫描激光雷达、非扫描激光雷达,光学相控阵激光雷达具有高的响应速度和控制精度、扫描方式灵活可编程,是激光雷达的一个重要发展方向。
Compared with the traditional mechanical scanning radar, phased array radar has a large power-aperture product, the role of distance; multi-beam forming capabilities, expanding the scope of observation radar airspace, to achieve the multi-target detection and tracking. 与传统机械扫描雷达相比,相控阵雷达具有大的功率孔径积,作用距离远;多波束形成能力,扩大雷达的空域观察范围,实现对多目标的检测和跟踪。
A single antenna model under mechanical scanning systems for DOA estimation is introduced. Describe the algorithm CML, UML and AML in two cases that the target Doppler frequences are known or unknown. 介绍了单天线机械扫描系统的测向模型;对目标多普勒频率已知或未知的两种情况,分别介绍了CML、UML、AML算法;仿真分析了算法的性能。
The technology of the Image tracking guidance gets the information of the target and background through optical mechanical scanning and infrared detector. 成像跟踪制导技术是通过光机扫描和多元探测器获取目标和图像信息,经信息处理和鉴别,自动跟踪和打击目标。
However, the deficiencies of slow mechanical scanning and unstable system exist. 同时,也存在机械扫描速度慢和系统不稳定等不足。
The usage of conventional on-the-move communication systems with mechanical scanning antennas has been limited, because of the high price and poor tracking accuracy. 传统机械扫描天线动中通系统由于昂贵的价格和较差的追踪精度,限制了它的使用。