F function

Object identified by image mange technology, then, the changes of hue value is calculated by function F, finally the depth of object is gained by three step method. 5.

通过图像处理技术对操作目标识别分析，利用构建的F函数计算灰度值的变化情况，最后通过三步法得出操作对象深度信息。

The non derivable feature of absolute value function f ( x) at a point and the structure of its non derivable points set are discussed.

给出f（x）在一个点不可导的特征性质，并讨论f（x）不可导点集的结构。

But, for example, if x, y and z depend on some other variable, say of variables maybe even u and v, then that means that f becomes a function of u and v.

例如变量x，y，z是，变量u，v的函数，然后f就变成变量u，v的函数。

To say it in the main, about F density function curve, one remarkable characteristic is that in pace with the increase of the second parameter, the position of maximum point of density curve is more and more high.

关于其密度函数曲线，一个显著的特点是随着第二个参数的增大，密度曲线极大点的位置越来越高。

Conclusions: Our data suggested that acute hypoxic depressed brain mitochondrial respiratory activity and F 0F 1-ATPase activity, ATP content was decreased in brain tissue and brain mitochondrial oxidative phosphorylation function was suppressed.$

结论：急性缺氧可抑制脑线粒体呼吸功能和F0F1－ATP酶活性，脑组织ATP含量下降，脑线粒体氧化磷酸化功能降低。

Generalised Renewal Sequences, Semi P Functions and their F Function Clusters

广义更新序列、半p函数及其F函数族

The normal form of the J_ ( x~ m) f function

J（x~m）f类解析函数正规型

Laser system's stable condition and frequency function are gained by virtue of theoretical model of a three-mirror F-P cavity and semiconductor laser, and then the mathematical model of common self-mixing interference effect is established.

由三镜F-P腔理论和半导体激光器性质得到系统的稳态条件和输出光频率的求解方程，从而建立了自混合干涉的数值模型。

By applying the F() function to a superposition state, we have effectively applied F() to all four basis states in one fell swoop.

通过对叠加态应用F（）函数，我们一下子就对所有的四种基态有效的应用了F（）。

The results were correlated in term of j and f as a function of Reynolds number and the geometrical parameters of heat exchangers by multiple linear regression technique.

通过多元线性回归法将实验数据整理为以雷诺数和换热器几何参数为自变量的j和f关联式。

On the deduction of x~ 2 、 T and F distribution density function

概率论中x~2、t和F分布密度函数的推证

The evolution from function F to function G is an indication of the progress of the relevant theories in agricultural economics and the practical experiences of agricultural economy in the context of the double-fold marketing difficulties.

从F函数发展到G函数，既体现了农业经济学有关理论的一定进展，也体现了面对两重市场困难的农业经济实践的一些经验。

We will not use the Unix "mv" command, because Perl's rename() function renames file well enough ( see perldoc-f rename for details on when rename() won't do a good job).

我们将不使用Unix“mv”命令，因为用Perl的rename（）函数来重命名文件已经相当不错了（请参阅perldoc-f rename以获取当使用rename（）出问题时的详细信息）。

Using f function method improved by the author, more reasonable exact results are obtained, which can more objectively reflect practical situation, and are consistent with the conclusions of relevant document.

经改进的f函数法，可以获得更客观地反映实际情况，因而具有比较合理地准确结果，且与有关文献结论一致。

The differential cryptanalysis is introduced. The properties of construction and difference on the S boxes of the date encryption standard ( DES) are discussed. The local property of S boxes is extended to the entire cipher structure through F function.

介绍了差分密码分析，讨论了数据加密标准（DES）的S－盒的结构与差分特性，然后通过F－函数将S－盒的局部特性扩展到整个密码结构。

The Effects of Changes of Parameters on F Distribution Density Function

参数的变化对F分布密度函数之影响

Based on the line-spring shell model, J integral of circumferential and axial cracks in pipe elbows is calculated by EPRI method. Then by following the procedure of EPRI, F 1 function and h 1 function are given.

采用线弹簧壳体模型进行有限元计算求解含裂纹弯管的J积分，而后仿照EPRI方法的思路，给出了J估算式及其相关系数F1和h1。

Analysis of the V/ F Function of the DELTA VFD-A Frequency Converter and its Application

台达VFD-A型变频器V/F函数分析及其应用

Some sufficient conditions for every solution to the equation satisfying the intial condition to converge to 1 by using a class f function on R was obtained.

文中构造了一类形似的实值函数并证明了相关结果，并将自变量换为离散分3种情况得到了原差分方程每一解在初始条件下趋于1的充分条件。

The Property of F Distribution Density Function

F分布密度函数之性质

The set of parameter of V/ F function is the key to assure the static precision of speed for the frequency converter.

其中，V／F曲线参数设定是保证变频调速系统静态速度精度的关键。

The F function modified cubic equation of state-FRKS and the improved binary interaction function by introducing the pressure factor, were used to correlate excess volumes of binary mixtures at high pressure.

利用F函数改进的立方状态方程&FRKS方程，并在二元互作用函数中引入压力项因子，对高压下二元系的超额体积进行拟合。

On the construction of the model, the traditional fuzzy comprehensive evaluation model is improved, and F function and the multidimensional linear regression model of several targets are combined to set up four multidimensional membership function.

在模型的建立上，本文对传统的模糊综合评价模型进行了改进，将F函数与多目标多元线性回归相结合构造了多目标多元模糊隶属函数。

A numerical method of F probability distribution function with an even degree of freedom which recurs only in the field even degree of freedom is presented.

给出了关于具有偶数自由度的F分布函数在偶数自由度方向进行递推的数值计算。

A numerical method of F probability distribution function with an even degree of freedom

具有偶数自由度的F分布函数的数值计算