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.
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.
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.
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.
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.
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。
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.
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。
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.
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。
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.
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。
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.
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.
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.
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).
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.
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).
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.
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。
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.
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.
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.
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.
根据光学传递函数、调制度和空间频率视觉及对物象的感知程度，制作TIFF格式透视灰度图。
According to optical transfer function, degree of modulation and apperceive degree of space frequency vision vs object image, TIFF grayscale scenograph is made.
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.
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.
研究了3-3矩阵变换器（MC）基于直接传递函数法控制的原理，推导出了基于直接传递函数调制的矩阵变换器的控制过程。
The principle of 3-3 matrix converter(MC) based on direct transfer function control is studied and the control process of the matrix converter based on this control is deduced.
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.
调制传递函数具有相同的粘度为SAE的20机油。
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.
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.
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