光学的

The designed method of optical imaging system and optical scanner have been described. This optical system consists of two aspherical mirrors i.e. Cassegrain system, the designed datas have been given.

描述了光学成像系统和光学扫描系统的设计方法，光学系统是由两个非球面反射镜所组成，并给出了光学系统设计的各种数据。

It consists of optical collimator system, optical focusing system, servo error signal generating system and the enforce element of servo system . It is a complex system, which is involved in optics, fine machine, electromagnetic, et al.

光学读取头包含准直光学系统、聚焦光学系统、误差信号提取系统、以及伺服系统的执行机构等部分，是一个综合了光学、精密机械、电磁学等学科知识的复杂系统。

Based on the theory of geometric optics and matrix optics, the vibration misalignment of light-beam propagating matrices of lens and planar reflector ar.

基于几何光学和矩阵光学理论，给出了光学透镜和平面反射镜的失调光束传输变换矩阵，描述了光学系统的三维振动失调光束传输模型，为光学系统的光线传输失调的分析提供了理论方法。

Therefore,it is of great importance to measure the linear birefringence inside the optical current sensing head for the property enhancement of the optical current sensors.

线性双折射是光学电流传感头的重要光学参量之一，会明显影响光学电流传感器的性能，因此测量光学传感头内线性双折射的大小对于提高光学电流传感器的性能有重要意义。

The temperature gradient occurs imperatively and then influences to the image quality and resolution of the space camera. Based on the theory of optical wavefront error and combining the engineering practice, the thermal optical evaluation has been done to the optical window with non symmetric temperature field. The RMS wavefront errors of the optical window have been calculated on each typical position in orbit cycle.

文中结合工程实际，以光学波像差的基本理论为基础对空间相机光学窗口的非轴对称温度场进行了热光学评价，编程计算了空间相机光学窗口在一个轨道周期内各典型位置处的均方根波像差，并把计算结果与美国"天空实验室"光学窗口的相应数据进行比较，以验证本文热光学分析的合理性、正确性。

Phenix Optical Instruments Group is a key domestic high and new technical enterprise with a 43-year history, the first listed company in China's optics industry, and the largest enterprise producing optical instruments in China's optics industry.

凤凰光学集团是一个有着43年历史的国家重点高新技术企业，中国光学行业第一家上市公司，也是我国光学行业中最大型的光学仪器生产企业。

With the aid of Zemax software, a three-mirror, unobscured, high-resolution optical system with large aperture, long focal length was successfully aligned by first collecting interferograms from several fields of all image plane, and obtaining the wavefront error, namely, obtained wavefront Zernike polynomials; then using the self-made program package to calculate the optical system misalignment.

利用Zemax光学设计软件与自编计算机辅助装调软件，实现了对大口径、长焦距、无中心遮拦离轴三反射镜光学系统的装调。通过Zemax软件模拟光学系统的失调模式，得到整个光学系统的波前像差，把波前像差代入到自编的复杂光学系统计算机辅助装调软件中，计算出光学系统的失调量，与引入的失调量对比，证明了其正确性。在实际的装调过程中，用小型球面干涉仪分别收集3个视场的干涉图，得到失调光学系统的失调量，用Zemax软件验证失调量数据的正确性，从而指导装调。

Space optical system, especially space infrared optical system, cryogenic optical system and some huge space-based telescopes, all work in the environment where there is strong radiation (such as Sun etc.) out of the field of the system. Because of diffraction of the entrance pupil and diffuse scatter of all inner surfaces, the strong stray radiation will reach the detector of the system.

空间光学系统，特别是空间红外光学系统、低温光学系统以及某些大型空间望远镜，都工作在系统视场外有强烈辐射源的&恶劣&环境中，这些强烈杂光辐射经过光学系统孔径的衍射，以及结构与光学件表面的散射，到达系统像面形成杂光。

The invention adopts a semiconductor laser or other pumping lights, such as a LED light, to pump the etalons, optical elements and wave plates made of optical materials which can absorb the pumping light, and regulates the output power of the pumping light to change the temperature of transmittance zones of the etalons, wave plates and optical elements so as to realize the changing of transmission wavelength of the etalons, the quick changing of wave plate phase and the quick changing of optical length of optical elements.

本发明采用半导体激光或其他泵浦光如LED光泵浦由可吸收泵浦光的光学材料制作的标准具、光学元件、波片，由调节泵浦光输出功率改变标准具波片、光学元件透光区域的温度，从而实现标准具透过波长的改变、波片相位快速变化，光学元件光学长度快速变化。

According to the function of distributed emulator, optical information processing and image multi-object tracking system, the following three aspects were emphasized in this dissertation. Firstly, a vast virtual terrain, ground radar models and canyons were created for the distributed emulator with modeling software Creator. The radars were driven to scan during emulating and the real time terrain code was sent to Radar module. Secondly, an optics channel simulating the optics camera of a virtual aircraft was implemented with simulating software Vega. The 2-D information got from the channel was translated and sent to multi-sensor information fusion system as an optics information source. Thirdly, the dissertation studied some motion estimation methods and analyzed the factors which influence the speed and the precision of the block matching algorithms. Then an improved block matching method was proposed for image multi-object tracking system and applied in the system combined with frame difference method.

论文根据多传感信息融合实验系统中的分布式飞行仿真系统、光学信号处理器和图像多目标跟踪系统三个子系统的功能要求，具体完成了以下三方面的工作：首先利用建模软件Creator创建分布式飞行仿真系统中的大面积地形、场景中的地面雷达模型和峡谷地形，并在仿真过程中实时驱动雷达模型的扫描，同时为后续雷达仿真模块提供实时地形编码；其次利用仿真软件Vega，在分布式仿真系统中为光学信号处理器设计实现了光学通道，模拟飞行器的光学摄像机的功能，并且对由此通道获得的目标二维光学信息进行转化处理，作为光学信息源发送给后续的多传感信息融合器；最后针对图像多目标跟踪系统，在研究图像分割运动估计算法的基础上，通过分析影响块匹配算法速度和精度的因素，改进了块匹配运动估计算法，结合差分法可应用到目标跟踪系统中。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。