The influence of thickness error of each layer to optical character was also discussed, and the result shows that the most sensitive layer is defect-layer.
同时研究了膜层的误差对滤光片光谱性能的影响,表明其敏感层主要是缺陷层。
This paper describes the signal characteristic in optical fiber communication systems, and the way to set the signal levels appropriately for the minimum average error rate.
本文阐述光纤数字通信中部分响应信号的特点,和适当地设置信号电平使平均误码率达到最小的方法。
The micro Angle error between optical coordinate and mechanical datum coordinate of robot vision instrument due to mechanical assembly can be corrected by high accuracy calibration.
机器人视觉仪器由于机械安装引起的光学坐标系与机械基准坐标系之间的微小的角度误差可以通过高精度标定修正。
A sensor head for hybrid optical current transformer (HOCT) is designed, the error resource of it is analyzed, and the overcoming method is given.
设计了一种用于混合式光电电流互感器(HOCT)的电流传感头。分析了其测量误差,给出解决的方法。
In order to guarantee surface precision of using locus shaping method machining optical parts, the factors of fine grinding machine which affects surface error of part is theoretically analysed.
为了保证用轨迹成型法加工光学零件的面形精度,对精密磨削机床影响工件面形误差的因素进行了理论分析。
Based on the diffraction optical principle, a formula of the diffraction efficiency and etching depth error of the microlens is obtained.
基于衍射光学原理,获得了微透镜的衍射效率与蚀刻深度误差之间的关系式。
The establishment of a dynamic system concept provides new methods for optical systems in holo-dynamic adjustment and in error analysis.
动态系统概念的建立为光学系统全动态调整及误差分析开辟了新的道路。
Combining with local calibration, the distortion error of the optical system in the camera is corrected.
结合局部标定法,对摄象机光学系统的畸变误差进行校正。
The traditional method in Labortory is optical level and suspension level, but the two methods can cause larger error.
而传统的实验室方法是"光杠杆法"和"悬架水准法",这两种方法的实验结果误差较大。
The principles and error analysis of an optical profiler are described in this paper.
文中介绍了光学轮廓仪的测量原理及其误差分析。
A modified segmental quadratic interpolation method which describes the shape of optical system pupil with relative coordinate error less than 1% and area error about 0.25%, is presented.
本文提出了一种改进的分段二次插值法描写光学系统的光瞳形状,得到了满意的效果,其坐标误差小于1%,面积误差约0.25%。
At the same time, it discusses the elements influencing the test accuracy of optical time domain reflectometer (OTDR) and measures for eliminating test error.
同时,还讨论了影响光时域反射仪(OTDR)测试精度的要素和消除测试误差通常采用的对策。
During the photoelectric conversion process of output signal from optical torque sensor, DC level drift error induced by temperature influence will affect the measuring accuracy of the system.
光扭矩传感器的输出信号在进行光电转换过程中,由于温度影响,造成了直流电平漂移误差,影响系统的测量精度。
It is pointed out that the mirror reflection of optical glass is the key item for error through analyzing the systematic error of the self-made testing apparatus.
对测试装置存在的系统误差进行了分析,并指出了光学镜片的镜面反射是产生误差的主要原因。
Then, the error produced by sphericity error, material refractive rate error and optical center error of cat eye are discussed.
从猫眼的球度误差、材料折射率误差和光学中心误差几个方面对猫眼产生的光学误差进行了分析。
The measuring principle, optical system, circuit design, error analysis and function features of the device are introduced.
介绍了该装置的测量原理、光学系统、电路设计、精度分析和性能特点。
According to application of self-collimation theory and corresponding instruments, the article emphasizes three typical assembly theory and center error results of high performance optical systems.
应用自准反射法测量原理和相应的仪器,重点论述了三种典型的高性能光学系统的装校定心方法、工艺和实际定心结果。
The relationship between residual wavefront phase error and frequency response in an adaptive optical telescope is analyzed.
分析了自适应望远镜系统的波面补偿剩余误差与频率响应的关系。
The quality control of centering error in coaxial optical system directly affects the final image quality of the optical system.
共轴光学系统中心误差控制的优劣直接影响了光学系统的最终成像质量,合理的镜框结构有助于中心误差的控制。
With the peak-seeking servo-controlled technology based on a residual error, an external optical cavity can keep in resonance with the frequency of Ti-sapphire laser in the experiment.
基于有差伺服调节技术,实现了外置光学谐振腔的共振频率与钛宝石激光器工作频率的锁定。
The lathe is under the long-term working, the predecessor way rub and generates the error, fabrication the low accuracy optical shaft.
车床在长期工作下,因前导轨磨损而产生误差,这样加工光轴类工件时精度不高。
Estimate the wavefront error of the whole optical system, and select a proper defocus length to improve the wavefront error, and then check the system's aberration after defocus.
对测试仪的光学系统的波像差进行了估算,选择了合适的离焦量来补偿波像差,并对系统离焦后的像差进行了验算。
However, the error of the optical flow estimation derived from the error of temporal differential estimation is not taken into account in above methods.
通过位移预补偿方式减小了时域微分估计中的不准确性,极大地提高了光流计算精度。
The forth, error analysis and elimination of optical system in color microscopic image input and the methods of area measurement for the irregular region in the digital image are discussed.
第四,探讨了彩色显微图像输入中光学系统的误差及其消除方法,并结合实际需求,研究了图像中不规则轮廓区域面积的测量方法。
An eccentricity error mathematic model was built up based on the measurement principle of the optical angular encoder and error analysis.
通过对光栅角编码器测角原理和偏心误差产生原因的分析,建立了偏心误差模型。
The series control with the velocity loop and the position loop is an effective design method in the electro-optical tracking system which requires short respond time and little tracking error.
在光电实时跟踪系统中要求响应的时间短、跟踪误差小,采用速度环和位置环的串级控制是一种有效的设计方法。
In optical fiber image transmission system with wavelength multiplexing employed, the coherent error of image bundle will directly affect the whole system's imaging quality.
在波分复用光纤传像系统中,像束光纤的相关性错位误差将直接影响整个光纤传像系统的综合成像效果。
Spot size detection method is representative method to obtain a focus error digital optical disk storage system.
光斑尺寸法是数字光盘信息存储中的典型聚焦误差探测方法。
Spot size detection method is representative method to obtain a focus error digital optical disk storage system.
光斑尺寸法是数字光盘信息存储中的典型聚焦误差探测方法。
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