调制函数是时间和频率的函数。
光学双稳态需由一个反馈函数和一个调制函数所组成。
The relation between integration of the function and its inverse function;
光学双稳态的调制函数和反馈函数构成一组非线性方程。
Bistable optical devices modulating function and clectro- optical feedback function are a group of non- linear equation.
从理论上分析了该传感装置的补偿机理，给出了特性调制函数。
Theoretically , the compensation mechanism of sensing device is analyzed and the characteristic modulating function were given.
理论上，导出了该传感装置的调制函数关系式，并用实验进行了验证。
Theoretically, the characteristic modulating function and its curve compare with the experimental data were given.
研究表明：在衍射场的某些观测点，即在调制函数为零的位置附近，存在光谱开关现象。
It is shown that there exist spectral switches when the observation position is at the right points.
文中导出了反射光调制函数的数学表达式，并介绍两种结构的光纤色标传感器的检测原理。
The mathematical expression of reflection modulation function is derived in this paper. The detection principles of two kinds of structures in the optic fiber colour mark sensor are presented.
通过改造绕组调制函数所建立的数学模型分析计算绕组的分层系数、正交误差和电气误差。
Through reform the modulating function of the winding to set up the mathematic model, by which it analyses and calculate the layer coefficient, quadrature error, electrical error.
本文假定结构受到非均匀调制的演变随机激励，亦即其调制函数是时间与频率二者的函数。
In this paper, the evolutionary random excitations acting on structures are assumed to be non uniformly modulated, i. e. the modulation functions depend both on time and frequency.
采用基于LP算法的IS光纤光栅设计技术，设计出CFBG的折射率调制函数和啁啾分布。
The index modulating function and chirp parameter distribution of the CFBG were synthesized by layer-peeling(LP) inverse scattering(IS) technique.
该方法将实际输出电压和期望输出电压的比较偏差作为负反馈加到下一个采样周期的开关调制函数矩阵中。
The discrepancy between the actual output voltage and expected output voltage of the matrix converter is calculated and added to the switch modulation matrix in the next sampling period as feedback.
在本模型框架下，我们推导了二阶布拉格散射的表达式，并根据弱流体动力作用理论推导出流体动力调制函数解析表达式。
Within this frame, we derived a second-order Bragg scattering expression, and developed an analytic solution of hydrodynamic modulation function according to weak hydrodynamic interaction theory.
研究了反射式强度调制型光纤传感器中反射面的形状对光强调制特性的影响，推导得出了含反射面形状因子的光强调制函数。
In a reflective fiber optic displacement sensor, the influence on intensity modulation property caused by the reflector shape was studied theoretically with the mathematic model found.
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.
一些不同的数字调制信号有着相同或相近的功率谱密度，但它们的谱相关函数却有明显区别。
Different types of digitally modulated signals that have similar, if not identical, power spectral density functions can have highly distinct spectral correlation functions.
本文推导出电流源逆变器(CSI)脉宽调制(PWM)谐波电流幅值表达式，脉动转矩目标函数。
A formula of harmonic current amplitude for CSI PWM is derived in this paper. An objective function of pulsating torque is also derived.
结果表明该滤波器的透射光谱是余弦函数调制后的光纤光栅反射光谱。
It was found that the transmission spectrum of the filter is the cosine function modulated reflection spectrum of the fiber grating.
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.
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.
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.
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.
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.
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.
本文先介绍了雷达基本工作原理以及调制、匹配滤波、模糊函数等雷达信号分析的相关知识。
Firstly, this thesis introduces correlative information, such as radar theory, modulation, matching filter, ambiguity function, in the domain of processing of radar signals.
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.
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.
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.
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.
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