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- The diffraction formula and statistical law of optical fields are used to get the cross-correlation function of intensities of laser speckles of the moved diffuse object. 该方法利用光传播的菲涅尔衍射公式和光场的统计规律,给出散斑场光强在散射体位移前后的高斯光束相关函数的表达式。
- DSP technology was used for fast processing of laser speckle for special materials. 采用dsp(Digital Signal Processing)技术对特种材料激光散斑信号进行快速处理.
- The Application of Zero-crossings of Laser Speckle for Real-time Monitoring of Velocity of Lymph Flow. 散斑跨零点法在实时监测淋巴流速中的应用。
- Title: The Application of Zero-crossings of Laser Speckle for Real-time Monitoring of Velocity of Lymph Flow. 关键词:淋巴系统;实时流速;散斑干涉法;散斑跨零点法
- He Ne laser speckle photography technology can measure the temperature of PN junction of the Laser diode in line,for controlling the emit wavelength. 用He?Ne激光束的散斑技术可以实时测量激光二极管PN结的温度,达到控制其发射波长的目的。
- A method of fabricating rough surfaces of known statistical parameters by exposing the photoresist to laser speckle patterns is analysed in this paper. 分析了用光刻胶记录激光散斑来制作粗糙度参数可控表面的方法,并成功地制作了一批样品。
- A laser speckle optometer for measuring tonic accommodation is presented. Application of the instrument proves its comparative accuracy and usefulness. 本文介绍了一种可以测量人眼张力性调节的激光散斑仪及其光学原理,经临床测试,证实该仪具有较高的准确性和实用性。
- Single beam Laser speckle interferometry has been used to measure the deformation of internal combustion engine connecting rod in this paper. 本文用单光束激光散斑干涉法测量了内燃机连杆的变形。
- A new experimental technique on the CTE measurement of metal composite leads in electronic packaging using laser speckle interferometry was presented. 在相对简单的实验设备下,得到较高精度金属复合引线的热膨胀系数值。
- Real-time measurement of the object angular vibration by laser speckles 目标角振动的散斑法实时测量
- The distribution of light intensity in the diffracted halo of the picture of laser speckle are calculated and the pictures of Young's fringes with higher quality are given. 结果表明,采用这种方法不仅提高了散斑图衍射晕边缘的光强,同时和环形孔径法相比,使腰部的暗区消失了,提高了测量的准确度,图片质量较好。
- In this paper, Annular aperture cone glass shearing laser speckle photography used for measuring the derivatives of displacements is proposed for the first time. 研制了环形孔径锥镜剪切相机,并利用它进行激光散斑照相,测量物体的位移导数场。
- The dynamic parameter change of blood with different photodynamic doses in PDT was monitored in real time by laser speckle contrast imaging (LSCI) technique. 利用激光散斑成像技术,实时监测CAM上肿瘤周围血管的血液动力学参数。
- The forming process and significance of laser speckle is analysed, it is reported thatlaser speckle techniques are applied to detect the impurity in infusion drugs. 本文分析激光散斑的形成和意义,并且报道了利用散斑斑纹检测大输液药品杂质含量的实例。
- Laser speckle contrast imaging (LSCI) provides full-field and real-time investigation of microcirculation blood flow in vivo with high spatiotemporal resolution, including several advantages, such as non-contact, noninvasive and high speed imaging. 激光散斑衬比成像可以对活体生物微循环血流进行高时空分辨率的实时全场成像。
- So far people have put forward some basic methods for evaluate the MTF values of the lens, such as knife-edge method, laser speckle method and extended frequency aperture (EFA) method. 迄今为止,人们已经提出了诸如刃边法、激光散斑法、扩展频率孔径法等多种测量离散成像器件MTF的方法。
- When using coherent illumination such as lasers,however,the laser speckle places a fundamental limit on accuracy for both traditional and space-time triangulation. 当使用互相密合着的照明,像是激光的时候,然而,激光小的斑点为传统而时空三角测量放一个基本的界限在准确性上。
- Research on Double-Beam Laser Speckle Photography 双光束激光散斑照相术研究
- The Experiments on the Laser Speckle Strain Gauge 激光散斑应变仪应用实验
- laser speckle interference measuring 激光散斑干涉测量