Modulation transfer function是什么意思

网络释义

用法例句

Modulation transfer function(MTF),full width at half-maximum(FWHM) and the peak to total count ratio(PTCR) of line spread function of the simulated line source images were analyzed quant.

从线源图像获得线源扩展函数、调制转移函数和峰-总计数比等参数,定量研究JPEG 2000有损压缩对核医学图像的压缩效果,并与实际分辨率图像和模拟分辨率图像的压缩效果进行对比。

The method of predicting speech intelligibility with speech transmission index(STI)is discussed in this paper． The STI is derived from the modulation transfer function (MTF) determined by the squared pulse response． Some problems of predicting speech intelligibility are also discussed in detail

讨论了通过房间平方脉冲响应计算调制转移函数从而导出语言传输指数预测厅堂的语言清晰度的方法，并对该方法中存在的问题作了详细的探讨。

The RBF neural network based on the Kalman filter algorithm and biradial transfer function

基于卡尔曼滤波算法和双径向转移函数的RBF型神经网络

Transfer function (TF) is an accurate and convenient technique to evaluate harmonics on both alternating current (AC) and direct current (DC) sides of a converter, as it considers the commutation period between the thyristors and the firing angle variation for some control requirement in the circuit.

运用转移函数法分析变流器两侧的谐波,考虑了晶闸管的换相过程以及触发角由于某种控制需要而受到余弦信号的调制过程,为工程实际中谐波的估算提供了方便和较为精确的方法。

In order to improve the convergent speed of standard BP network, an improved rapid algorithm for BP network is represented, on the basis of LM optimization algorithm by using double polarity S compressed function as transfer function.

为了提高 标准BP算法的收敛速度,提出一种基于LM数值优化算法,以双极性S型压缩函数为转移函数的 改进BP算法。

Study on approximation of transition functions using semigroup method;

用算子半群理论研究转移函数的逼近

he continuity of transition function in Hilbert space refered in [1] is a common condihon in this paper.

在很一般的条件下，研究了文献［１］中提出的Ｈｉｌｂｅｒｔ空间上的转移函数的连续性。

The frequency transition function in DFH system is one of the key technologies and will influences the performance of the corresponding communication system considerably.

频率转移函数是相关跳频的关键技术之一,将直接影响相关跳频通信系统的性能。

This paper adopted respectively the additive masking mode and the functional encoding and decoding mode to encrypt analog signals.

利用加性掩盖和函数调制两种混沌加密方式对模拟信号进行加密,分别从幅值和频率两方面分析加性掩盖方式和函数调制方式,对比两种加密方式加密效果,了解两种加密方式的差异。

ANALYSIS OF SENSITIVITY OF TRANSFER FUNCTIONS. TO PARASITIC EFFECTS

转移函数对于寄生效应的灵敏度的分析

Properties of Population Processes with Geometric Catastrophe and Their Dual Transition Functions;

几何突变人口过程及其对偶转移函数的性质

MARKOV PROCESS DECIDED BY SUBTRANSITION FUNCTION AND ENTER LAW;

由次转移函数及进入律决定的马氏过程

The Dynamic Model of Economy with Technology Transfer Function(I);

具有技术转移函数的经济的动力学模型(I)

Frequency Transition Function Construction Algorithm of Differential Frequency Hopping System

一种差分跳频系统频率转移函数构造算法

Forecast the Operation Cost of Railway Construction Projects by Using the Transfer Function Model;

运用转移函数模型预测铁路建设项目运营有关成本

An Accurate Method for Calculating Extrinsic Information Transfer Functions of Iterative Processing Unit

一种迭代处理单元外部信息转移函数的精确计算方法

Matching design of encoder and frequency transition function in different frequency hopping system

差分跳频系统编码器与频率转移函数的匹配设计

The RBF neural network based on the Kalman filter algorithm and biradial transfer function

基于卡尔曼滤波算法和双径向转移函数的RBF型神经网络

The function ??is called the transition matrix for the system.

函数?沓莆0系统的转移矩阵。

stress functions and displacement functions

应力函数和位移函数

Constructing Auxiliary Functions of Prove the Median Theorem by Rotation and Translation;

利用旋转平移构造辅助函数推证中值定理

We discuss the transfer pricing problem under the conditions that the market demand function of final product and the production cost function of each intermediate product are known and unknown respectively.

接着讨论了各分厂成本函数和最终产品需求函数未知条件下中间产品转移价格的确定问题 .

The Analysis of Outsourcing Decision-making Based on Roundabout Production Function and the Research of MNE s Business Transfer;

基于迂回生产函数的外包决策分析及跨国公司业务转移问题研究

commutator type function generator

转换器型函数发生器

These should be four undetermined constants in the displacement function.

位移函数中应有四个未定常数。

Window Function Integer Approximation Method of Phase Shifting Algorithms in Phase Shifting Technique

移相术中相移算法的窗函数整数近似方法分析

Taking the displacement function of plates in the form of a biseries,all terms in series are given by products of functions of a beam.

板的位移函数取双重级数形式,级数的各项为梁函数的乘积。