为了说明这个关系式引用了调制传递函数的概念。
In order to explain the relationship, the concept of the modulation transfer function is used.
同时，对影响透镜调制传递函数的因素进行了说明。
Moreover, the factors that influence the MTF of lens are stated in this paper.
给出了光学系统图、纵向像差图及调制传递函数图。
The figures of optical system, longitudinal aberration and modulation transfer function (MTF) are given.
调制传递函数具有相同的粘度为SAE的20机油。
1943年卡尔蔡司同样研发了一套利用MTF（调制传递函数）
In1943, Carl Zeiss also developed a procedure to measure lens imagequality with so-called “MTF” curves (modulation transfer function), which numerous manufacturers today use for quality control.
最后介绍了国外星用线阵CCD相机调制传递函数值。
Finally, some values of the modulation transfer functions of foreign linear array CCD cameras are presented.
调制传递函数(MTF)应用于成像设备的解像力评价。
Modulation Transfer Function (MTF) is applied to image assessment for an imaging device.
光学图像在光学系统中传递的质量可以用调制传递函数评价。
Modulation transfer function can be used for evaluating the quality of optical pictorial transfer in optical systems.
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 modulation transfer function (MTF) is an important parameter in the performance of the CCD Camera imaging system.
调制传递函数是评价红外光学镜头性能的最基本的技术指标之一。
The modulation transfer function(MTF) is one of the fundamental parameters to evaluate the infrared optical lens.
镜头调制传递函数（MTF）的测量有正投影和逆投影两种方法。
There are obverse and adverse projection two methods for measure modulation transfer function(MTF) of lens.
本文重点论述了航摄系统调制传递函数的原理，测定方法和实际应用。
This paper offers a general account of the principle, measurement method and practical application of modulation transfer function in aerial photographic system.
介绍了一种测电荷耦合器件（CCD）调制传递函数（MTF）的新方法。
This paper introduces a new method for measuring modulation transfer function (MTF) of charge coupled devices (CCD).
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。
Objective To evaluate the high resolution of ct system by measuring the modulation transfer function (MTF) of ct system.
提出了略有失真地恢复图象信号的方法；推导了器件的光积分调制传递函数；
The integration modulation transfer function (MTFi) deduced in this paper for the limited cells CCLID is the MTFi for the limitless cells CCLID with only the conditions different from each other.
推导出图像在线性和正弦运动条件下的调制传递函数(MTF)的数学表达式。
The mathematical expressions of MTF for linear motion and sinusoidal vibration are developed.
本文论述了用调制传递函数面积值（简称MTFA）评价望远系统象质的适用性；
The feasibility of MTFA (modulation transfer function area) for assessing imaging quality of visual telescopic systems is described.
线管焦点的调制传递函数（MTF）和焦点尺寸是描述X线管焦点成像性能的主要参数。
The Modulation Transfer Function(MTF) of X-ray tube focal sPOt and its size are the main parameters, which can be used to describe the photo function of X-ray tube focal spots.
给出该孔径的光瞳函数以及三种不同型的结构形式，并导出它的调制传递函数的解析表达式。
The pupil function, analytical formulas of its corresponding modulation transfer function (MTF) and three configuration models have been given.
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。
In this paper the MTF system, using a new counting method and CMOS sensor as device for image reception, is discussed in detail.
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。
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.
试验结果表明：付立叶级数滤波法是一种行之有效的方法，并便利于用调制传递函数评价影象质量。
The results show that Fourier Series Smoothing method is not only an efficient method, but also is easy to estimate image quality using modulation transfer function.
其次，采用数值计算的方式，分析了输入方波信号与光纤束位相匹配对对比度调制传递函数的影响。
The next, the influence of phase match between input signal and line-array fiber-optic image bundles on the contrast transfer function was analysed digitally.
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。
The measurement of modulation transfer function (MTF) of the sampled imaging optoelectronic system is rather complex and irrepeatable for their shift-variant characteristics.
研究和测量sprite探测器调制传递函数(MTF)，是为了分析、评价该探测器的空间分辨性能。
To characterize and evaluate the spatial resolution of SPRITE detector, it is needed to measure the modulation transfer function (MTF).
在低空间频率范围内，后者和前者的探测率比近似等于SPRITE探测器的调制传递函数，接近于1。
The result indicates that the ratio of the detectivities is approximately equal to the modulation transfer function of SPRITE detectors in the region of low spatial frequency, which is near 1.
通过对CCD采样过程的分析，说明了输入信号与CCD像元位相匹配对调制传递函数(MTF)有影响。
That the phase match between input signal and CCD pixel has influence on the measuring results of MTF is showed by the analysis of the CCD sampling process.
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 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 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.
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