Analyzes the various infections on the detection ability by researching the star energy and system MTF.
从星光信号能量和系统传输函数理论出发,分析了影响星敏感器的探测能力的各个环节。
Results show th at under certain conditions, the whole system MTF can be effectually improved by smoothness constraint restoration, consequently, the remote sensing image becomes clear.
可以得出结论,在一定条件下,利用平滑约束复原方法可以有效地改善整个系统的调制传递函数,从而使图像变得清晰。
In this paper the MTF system, using a new counting method and CMOS sensor as device for image reception, is discussed in detail.
本文详细讨论了一种采用全新计算方法,并以CMOS为图像接收器件的调制传递函数测量系统。
According to the requirement of image restoration technique, high precision modulate transfer function (MTF) of imaging system is the base of high-quality imagery restored.
依据图像恢复技术的要求,高精度成像系统调制传递函数(MTF)是高质量图像恢复的基本条件。
At last, it is presented that image quality assessment method combined modulation transfer function (MTF) with human visual system (HVS) may be a new breakthrough to solve the image quality problem.
文章最后指出基于调制传递函数(MTF)测定并结合人眼视觉系统(HVS)模型的影像质量评价方法有望成为解决影像质量评价难题的突破点。
The modulation transfer function (MTF) is an important parameter in the performance of the CCD Camera imaging system.
调制传递函数是衡量CCD相机成像系统性能指标的重要参数。
The figures of optical system, longitudinal aberration and modulation transfer function (MTF) are given.
给出了光学系统图、纵向像差图及调制传递函数图。
The measurement of modulation transfer function (MTF) of the sampled imaging optoelectronic system is rather complex and irrepeatable for their shift-variant characteristics.
离散光电成像系统因其不再具有平移不变特性,它的调制传递函数测试具有相当的复杂性和不稳定性。
This paper analyses the concept of OTF in sampled imaging system, discusses the problem incoherently coupled with OTF of lens and describes a new method for measuring MTF of CCD.
本文分析了抽样成像系统的OTF,并讨论了与透镜otf的非相干耦合问题,同时提出了一种新的测量CCD的MTF的方法。
Experiment indicates that the data processing method used in this paper can enhance the accuracy of the MTF of the CCD imaging measure system efficiently.
实验表明,本文的数据处理方法能有效的提高测量CCD成像系统的传递函数的精度。
The parameters contain impulse noise, memory effect, scan correlated shift, coherent noise, random noise, dropped lines, inoperable detectors, saturated detectors, MTF, system resolution.
辐射性能参数包括脉冲噪声、记忆效应、扫描相关偏移、一致噪声、随机噪声、丢失行、不可操作探测器、饱和探测器、调制传递函数、系统分辨率。
The key parameter which describes the spatial resolution of imaging spectrum system is the modulation transfer function (MTF), it is an old and difficult topic to measure the MTF.
描述成像光谱仪系统空间分辩率优劣的关键参数是系统的调制传递函数—MTF, MTF的检测是一个古老而又困难的课题。
Objective To evaluate the high resolution of ct system by measuring the modulation transfer function (MTF) of ct system.
目的通过测量ct系统调制传递函数客观有效地反映CT系统空间分辨能力。
MTF is the primary parameter used for system design, analysis, and specifications.
MTF是用于系统设计、分析和规范的重要参数。
Using a knife edge to measure the MTF of optical system is a basic way. The paper discusses the influence of slit edge error on MTF by building a mathematical model.
刀口法是测量光学系统的传递函数一种基本方法,通过对刀口边缘误差建立数学模型,讨论刀口误差对光学传递函数测量精度的影响。
It is feasible that to use CCD device and image processing system in measurement of the modulation transfer function (MTF) of X-ray film and luminescent screen.
本文论证了利用CCD测定X射线胶片和增感屏调制传递函数的可行性,并给出了一种适用于CCD测试数据的处理方法。
A system was set up to test the modulation transfer function (MTF) of a photoelectric simulation system. The method used the ratio of magnitude of the output image to the input image.
建立了某光电仿真系统的调制传递函数(MTF)评测系统,系统采用频谱对比法测试了仿真系统的MTF。
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。
Modulation transfer function is a common method for evaluating the performance of optical imaging system. The measurement of MTF is very important in production and testing.
调制传递函数是评价光学成像系统成像质量的重要方法,因而测量光学系统的调制传递函数在各种成像光学系统生产实践中具有相当重要的作用。
Modulation transfer function is a common method for evaluating the performance of optical imaging system. The measurement of MTF is very important in production and testing.
调制传递函数是评价光学成像系统成像质量的重要方法,因而测量光学系统的调制传递函数在各种成像光学系统生产实践中具有相当重要的作用。
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