研究了光纤电压传感器光路系统中光源、光纤、电光晶体和光电探测器对测量误差的影响。
The errors caused by light source, optical fiber, electro optic crystal and opto electric detector in optical fiber voltage transducer are presented.
提出了一种效率增强型硅pin探测器和新型高灵敏大面积硅pin探测器阵列的设计思想,并且对它们的探测灵敏度和相对误差进行了详细的理论模拟计算。
Efficiency enhanced si PIN detector and high sensitivity, large area si PIN detectors array has been developed and their sensitivity and relative error have also been simulated comprehensively.
该系统采用两个四象限探测器构成对准检测装置,实现对掩模版对准误差的实时检测。
The measure device consists of two quadrant detectors, which measure alignment errors in real-time.
通过低阶校正模式波前误差提高了探测器接收光强,并有效校正了波前倾斜。
The experimental results of low-order modes correction for wave-front error and the enhancement of Strehl ratio in detector and the improvement of wave-front tilt are also established.
引入噪声比例因子来描述和处理光电探测器的误差。
Noise scale factor is introduced and used to describe and process the standard deviation of photoelectrons of photodetector.
在自适应光学系统中,波前探测器的噪声是一个主要误差源。
In adaptive optics system, the noise of wavefront sensor is a major error source.
系统采用了改进的相移算法,抑制了相移器误差以及探测器带来的非线性误差,提高了测量精度。
A modified phase shifting algorithm is used in our testing system to improve the measurement accuracy, which decreases the errors from phase shifter and detector's nonlinearity.
并分析了反射镜作用范围与需要校正的误差的关系,跟踪探测器输出误差信号与物方跟踪误差,以及与跟踪镜控制量的关系。
The relationship of the steering range of FSM and the errors corrected, the detector output and objective error, tracking control system input are analysed.
在自适应光学系统中,波前探测器的噪声是主要误差源。
The noise of wavefront sensor is a major noise source in adaptive optics system.
各向异性系数的准确度主要取决于探测器计数的统计误差。
The accuracy of anisotropic coefficient mainly depends on the statistical error of the counting.
第三章通过数值法分析了各项轨道摄动和参数误差等因素的对轨道计算的影响,给出了精确的月球探测器轨道计算数学模型。
Chapter 3 analyzes numerically the effects for orbit calculation caused by orbital perturbation, parameter error and so on. A precise mathematical model of orbit calculation is given.
第三章通过数值法分析了各项轨道摄动和参数误差等因素的对轨道计算的影响,给出了精确的月球探测器轨道计算数学模型。
Chapter 3 analyzes numerically the effects for orbit calculation caused by orbital perturbation, parameter error and so on. A precise mathematical model of orbit calculation is given.
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