Conclusions Open MR scanner with an optical tracking system guidance and monitoring lumbar disc discography is feasible and safety. 结论开放式MR结合光学导引系统用于引导椎间盘造影术是可行的、安全的。
Airborne lightweight optical tracking system 机载轻型光学跟踪系统
Design of an optical beacon fine tracking system based on FPGA 基于FPGA的信标光精细跟踪系统设计
Objective To evaluate the feasibility and safety of lumbar disc discography carried out in an open MR scanner with an optical tracking system. 目的评价开放式MR扫描仪结合光学追踪系统行椎间盘造影术操作方法的可行性及安全性。
The technique of optical fiber-taper coupled with CCD is widely used in the imaging system of space payload, low light level night vision system, television tracking of missile system and remote sensing imaging system. 光锥与CCD耦合技术可广泛应用于航天有效载荷的成像系统、微光夜视、导弹电视跟踪和光谱遥感成像等系统中。
In the paper, digital control of precision tracking in space optical communication tracking and pointing system is described. 文章描述了空间光通信跟瞄系统中精跟踪的数字控制。
Small Sized Optical Image Inertial Stabilization and Tracking System 小型光学惯性稳象跟踪系统的研究
Then the diffraction spot size is decreased, and the optical resolution is increased, so the accuracy of the fine tracking system is improved. 由此减小接收衍射光斑的大小,提高系统的光学分辨能力,从而提高精跟踪系统的精确性。
Optical error analysis in the laser tracking measure system 激光跟踪测量系统中的光学误差分析
The key technologies in high-power light source, anti-jamming high sensitivity optical signal receiving, fast and precision capture, tracking and aiming of communication link in the space laser communication system, are put forward emphatically. 重点阐述空间激光通信系统大功率光源技术、高灵敏度抗干扰光信号接收技术、通信链路的快速及精确的捕获、跟踪和瞄准技术等关键技术。
The theodolite designed for measure ship is a special optical equipment based on TV tracking and measuring for the use of navigation orientation system. 船载经纬仪是远洋航天测量船导航定位系统专用光学测量设备。
The mechanic structure, optical system and electronics system for dynamic accuracy testing target were designed, and the application of dynamic target in testing IR/ video tracking measurement system was studied. 设计了动态精度检测靶标的机械结构、光学结构和电子学系统。对动态精度检测靶标在检测红外、电视跟踪测量系统时的应用进行了研究。
Composing of spaceborne electro-optical tracking system and design of its performance index 星载光电跟踪系统的组成及其性能指标设计
Study on Joint-transform Optical Correlator Using for TV Tracking and Measuring System 基于光学相关器的电视跟踪处理方法研究
In space optical communication, in order to realize exact acquisition and high-accuracy tracking, combined axis control technique is applied in ATP ( Acquisition, Tracking, and Pointing) system. 在空间光通信中,为实现准确捕获和高精度跟踪,ATP系统采用复合轴控制技术。
The design and implementation of multimodel ( optical and infrared) image tracking system are discussed in this paper. 本文论述了红外与可见光多模式图像跟踪系统的设计与实现方法。
The objective of this project is designing a high bandwidth with low cost laser communicating device, which is consist of optical system, transmittal and receiver module and pointing 、 acquiring and tracking system. 本课题的目的是改进设计一套低成本、高带宽的激光通信端机,它主要由光学系统,收发电路以及对准、捕获和跟踪系统组成。
Finally, the analysis results show that joint-transform optical correlator using for TV tracking and measuring system will greatly improve its performance. 最后通过理论推导和分析得出:光学相关器应用于电视跟踪测量系统将使电视跟踪测量设备在功能上得到增强。
In space optical communication ATP system, in order to satisfy the request of the tracking controlling system, it's necessary for target detecting system to get the beaconing light and its accurate position on real time. 在空间光通信ATP系统中,为了满足跟踪控制系统的需要,目标探测系统必须实时地提取信标光并计算出精确的位置。
Measurement principles, including optical and scanning structure of the scanning laser-PSD sensor for the seam tracking system are introduced in detail. 详细介绍了扫描式激光-PSD传感器工作原理,包括发射光路、接收光路和扫描机构的设计。
On the base of numerical simulation, the optical system is optimized in order to improve the tracking and measuring performance of the whole system. 在数值仿真的基础上,对光学系统进行优化设计,提高整个系统的跟踪测量性能。
Based on this method an all optical motion target tracking system can be constructed. At any time there is only one image input to the system, and this direct image correlates with the previous stored image read out from the crystal to give the target motion information. 由该方法可实现全光学目标跟踪系统,在任一时刻只有单一图像输入该系统,该时刻直接透射的目标像与晶体再现的前一时刻的目标像产生相关并给出目标的运动信息。
The paper analyzes the principle of components of magneto optical disk driver focusing and tracking servo system, then designs and realizes a DSP based digital servo control system. 分析了磁光盘驱动器聚焦与循轨数字伺服系统各组成部分的原理,并设计和实现了一套基于DSP的数字伺服控制系统。
In this thesis, firstly, the particularities of optical flow algorithm and tracking system for moving objects are discussed. 首先,讨论运动物体跟踪系统与光流场算法的特殊性。
Image capture system is a important component of optical sensor based automatic welding tracking system, which function is to receive the image data from the camera, after pre-processing these data, transfer them to the computer ultimately. 图像采集系统是基于视觉传感器焊缝跟踪系统的重要组成,它的功能是接收相机输入的图像数据,进行缓冲和预处理,最后有效的输出到计算机中。
Designed a kind of optical fiber transmission laser measurement system, which makes the laser tracking process become simple, and reduces the requirements of the stability request from the system. 3. 设计了一种光纤传导激光的测量定位方案,使激光跟踪过程简化,降低了系统对稳定性的要求。
Optical flow and particle filter on affine group are incorporated in our tracking system framework. 并分别将光流法和仿射粒子滤波纳入系统框架,实现了完整的跟踪功能。
As an important index of multi-optical axis aiming systems, alignment of optical axes has a direct influence on the hitting probability and tracking accuracy of the system on the target. 光轴平行性作为多光轴瞄准系统的一项重要指标,直接影响系统对目标的跟踪精度和命中率。
A design method of a catadioptric far-infrared optical system was proposed and the system was designed for the performance and properties of airborne infrared search and tracking system in this paper. 针对其性能和特点,本文提出了一种折反射式远红外光学系统的设计方法,对红外成像系统进行设计。
The Airborne movement in aircraft and optical window surface formed a relatively thin turbulent boundary layer. Aero-optical effects lead to the transmission beam phase distortion effects beam quality, thus affecting capture, tracking systems and communication system performance. 飞机的运动使空气在飞机及通信端机窗口表面出形成一比较薄的湍流附面层,这将导致传输光束的位相畸变,影响光束质量,从而影响捕获、跟踪系统及通信系统的性能。