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.
1943年卡尔蔡司同样研发了一套利用MTF（调制传递函数）
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。
The modulation transfer function(MTF) is one of the fundamental parameters to evaluate the infrared optical lens.
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。
In order to measure the Modulation Transfer Function (MTF) of image sensor conveniently, contact measurement using rectangle template is proposed based on sine template contact measurement.
为了方便地测量图像传感器的调制传递函数(MTF)，在正弦模板法基础上，提出了矩形模板接触测量的方法。
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。
To characterize and evaluate the spatial resolution of SPRITE detector, it is needed to measure the modulation transfer function (MTF).
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。
There are obverse and adverse projection two methods for measure modulation transfer function(MTF) of 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。
Modulation Transfer Function (MTF) is applied to image assessment for an imaging device.
调制传递函数(MTF)应用于成像设备的解像力评价。
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。
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。
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。
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。
Moreover, the factors that influence the MTF of lens are stated in this paper.
同时，对影响透镜调制传递函数的因素进行了说明。
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。
This paper introduces a new method for measuring modulation transfer function (MTF) of charge coupled devices (CCD).
介绍了一种测电荷耦合器件（CCD）调制传递函数（MTF）的新方法。
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。
MTF has the same Viscosity as SAE 20 motor oil.
调制传递函数具有相同的粘度为SAE的20机油。
The pupil function, analytical formulas of its corresponding modulation transfer function (MTF) and three configuration models have been given.
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。
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.
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。
The mathematical expressions of MTF for linear motion and sinusoidal vibration are developed.
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。
Different MTF equations are derived from the analyses of different couplings of flexible image bundles and CCD pixels and contrastive analyses are made.
通过对光纤传像束同像元不同耦合情况的分析，具体推导了不同耦合情况调制传递函数（MTF）的解析表达式，并进行了对比分析。
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。
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。
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.
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。
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。
In the MTF measurement, the object is slant edge, compared with old edge measurement, it has no Angle adjustment device, and improved sampling frequency.
调制传递函数的测量中，采用倾斜刀口作为分析对象，与传统的竖直刀口采样相比，省掉了角度调整装置，并且提高了采样频率。
In the MTF measurement, the object is slant edge, compared with old edge measurement, it has no Angle adjustment device, and improved sampling frequency.
调制传递函数的测量中，采用倾斜刀口作为分析对象，与传统的竖直刀口采样相比，省掉了角度调整装置，并且提高了采样频率。
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