Investigation on Acoustic Holography Technique for Underwater Sound Source Identification and Position by Continuously Scanning Sound Field 水下声场连续扫描声全息声源识别定位技术研究
A complete design example of elliptical window optical system is demonstrated and the results show that the MTF of optical system approaches the diffraction limit across the entire scanning field. 给出了完整的椭球形窗口光学系统的设计,设计结果表明,系统的调制传递函数在整个扫描视场范围内接近衍射极限。
Discussion about the triangle scanning field signal in optical pumped magnetic resonance 关于光泵磁共振实验中三角波扫场信号的讨论
The analysis shows that the scanning field of view can be improved no less than 140% compared with the circular orbit scan mode. 分析表明,在扫描锥束偏转两次情况下,其有效扫描视野比圆轨道扫描方式提高1.4倍以上。
Automatic Adjustment of the Straight Intersection and Rotation of the E Beam Scanning Field 电子束扫描旋转和正交的自动调节
Reflection Scanning Near field Optical Microscope and its Imaging 反射式扫描近场光学显微镜及其成像
Galvanometer scanner includes reflecting mirror, scanning motor& servo circuit, angle sensor and scanning field lens. 振镜扫描器由扫描反射镜、扫描电机及伺服驱动电路、角位置传感器和扫描物镜组成。
In the design of electron beam deflection system with a large scanning field, determination of aberration is a practical problem. 电子束大扫描场偏转系统设计中,像差的确定是一个必须解决的实际问题。
The formation of the triangle scanning field signal used in optical pumped magnetic resonance is analyzed, and its function in the experiment is also explained concretely. 通过对三角波扫场信号产生的分析,对其在光泵磁共振实验中的作用作了具体的解释。
In this paper, we study theoretically and numerically the contrast mechanism in collection mode scanning near field optical microscope ( SNOM). 本文从理论上研究了收集式近场光学显微镜中的成象衬度问题。
Study on the contrast mechanisms in collection mode scanning near field optical microscope 近场光学中成象衬度机制的研究
The principles and schemes of a new type of scanning near field optical microscope, scanning interferometric apertureless microscope developed abroad are described in this paper. 本文介绍了国外研究的一种新型近场扫描无孔径干涉显微镜的原理及结构。
An imaging system of pattern generator was designed to correct linear distortion of scanning field of an e-beam lithography system, which was composed of both hardware and software. 为实现电子束曝光机扫描场的线性畸变校正,设计了图形发生器的成像系统,该系统包括硬件和软件两部分。
Conclusion: Accurate images about the damage of limb gunshot wound can be yielded in a short time by adjusting the routine parameters and the scanning field properly. 结论:在日常工作的扫描参数基础上,适当调整扫描范围与参数即可在短时间内获得准确反映肢体枪击伤后组织损伤情况的MR图像。
The variations of scanning angular velocity, scanning angle, scanning locus and scanning cover field are shown. 给出了末敏弹扫描角速度、扫描角和扫描曲线随时间的变化,以及扫描覆盖区随高度的变化。
Study of the expression for ELECTRONBEAM scanning field 对电子束扫描场畸变表达式的研究
A scanning near field acoustic microscope in use for imaging the topography of ultra precise surfaces is presented. 描述了一种用于检测超精表面形貌的扫描近场声显微镜(SNAM)。
The article introduces the m × n S shape scanning field division method and the arbitrary scanning field division method. 对版图扫描场分割方式进行了研究,详细论述了m×nS形扫描场分割方式和任意扫描场分割方式。
This kind of scanner has been used in the system of scanning near field optical microscope. 这种扫描器被用于扫描近场光学显微镜探测系统中。
Tip sample distance control system is the key part of scanning near field infrared microscopy. 针尖样品的距离控制系统是扫描近场红外显微镜的重要组成部分。
Experiment results indicate that the polysiloxane can form a hydrophobic and coarse silicone film in oriented arrangement on the surface of fibers or silicon substrate. And in ( 2 μ m~ 2) scanning field, the average roughness of the film reaches ( 0.199 nm.) 结果表明,在纤维及其模拟基质单晶硅表面,长链烷基聚硅氧烷均可定向排列形成粗糙的疏水性硅膜,在2μm2扫描范围内,该硅膜的均方根粗糙度达到了0.199nm。
Measurement Study of Non-uniformity Scanning Magnetic Field for Hysteresis of Magnetic Materials 非均匀磁场扫描的磁滞曲线测量方法的研究
The shape and size of the scanning probe tip are the key factors in affecting the resolution of the scanning near field optical microscope. 扫描探针的形状及针尖的大小是影响SNOM分辨率的关键因素之一。
Effect and influence of the scanning magnetic field signal in optical pumping magnetic resonance experiment 光磁共振实验中扫场的作用和影响
Manufacture and Analysis of the Optic Fiber Probe in Scanning Near Field Optical Microscope 扫描近场光学显微镜光纤探针的制作与分析
A new active fiber probe used for scanning near field optical microscope ( SNOM) is successfully fabricated. In combination of fused pulling with chemical etching, an Er 3+ doped fiber probe is produced, whose amplified spontaneous emission is tested experimentally. 研制了用于扫描近场光学显微镜的新型有源光纤探针,采用熔拉法和腐蚀法相结合,制作出掺Er3+光纤探针,实验测试了这种光纤探针的放大的自发辐射。
Experimental exposure have been practiced in the 20x20mm~ 2 scanning field with smooth vector group, with location accuracy within 0.03%. 在20×20mm~2扫描场上实验曝光得到平滑矢量族。
All the scanning field adjustments are automatic. 扫描场尺寸、旋转和正交性等都可自动调节。
Study on Scanning Field Division Methods for LSIC Patterns LSIC版图扫描场分割方式的研究