提出了一种基于角度和径向差分函数的抗平移、旋转以及尺度的图像配准算法。
An algorithm is proposed for registering images related by translation, rotation, and scale based on angular and radial difference functions.
频率转移函数设计和信号的检测方法是差分跳频中的关键技术。
The frequencies transition function and the method of signal detection are the key technologies in this system.
基于组合函数的差分特性,提出了一种新型的再同步攻击方法。
We propose a new resynchronization attack based on the difference performances of combinational functions.
给定一个椭圆方程,我们先找出这个方程的拉氏函数,用差分代替微分,得到离散的拉氏函数。
At first we can get the Lagrangian function from the elliptic equation, then replace differential coefficient by difference and get the discrete Lagrangian function.
基于完全互信息梯度表达式及得分函数差分的性质,提出一种在线频域盲解卷积块算法。
An online block algorithm for frequency domain blind deconvolution was proposed based on the complete mutual information gradient and the properties of the score function difference (SFD).
给出了其圈函数的具有非零差分概率的差分对应的结构形式。
The structure of the differential correspondence between round functions whose differential probability is nonzero is given.
通过对差分演化算法的变异策略改进,使优化后的差分演化算法在函数优化方面性能得到进一步提高。
The mutation strategy was improved so that the optimized DE algorithm performance was further improved on function optimization.
针对矩阵变换器调制方式的特点,提出了基于输出电压误差函数分析的矩阵变换器离散调制技术,推导了基于时间离散和差分原理的电路方程。
Based on the output-voltage error function, a novel time-discrete modulation technique is proposed for matrix converters (MCs) and time-discrete difference equations of a MC circuit are derived.
科学计算及其应用常常需要多变量函数的有关偏导数问题的计算,通常使用的计算方法是符号微分或差分近似。
Evaluation relevant to the partial derivatives of the multivariable functions is often done in scientific computation, usually by means of the symbolic differentiation or the divided difference.
基于仿射密码的加密原理,构造了一种差分跳频的频转移函数。
Based on the encryption principle of affine cipher, a frequency transition function of DFH is designed.
基于差分方程模型推导了多变量预测函数控制算法,使其具有更加广泛的适用性。
Multivariable predictive functional control based on difference equation, which has more general applicability, is presented.
其中,差分演化算法在数值函数优化方面的性能要优于其它的优化算法。
The performance of DE algorithm is superior to other algorithm in numerical function optimization.
对基于此种新轮函数的一种迭代型分组密码进行了差分密码分析。
A differential cryptanalysis of the iterated block cipher based on the new round function is presented.
作者根据约束性代价函数原理提出了能够使得截断误差最小化的中心差分优化算子。
This paper presents an optimization of centered finite-difference operator based on the principle of constrained cost function, which can reduce the truncation error to minimum.
介绍了差分跳频技术的特点,构造了一类基于回归移位寄存器的频率转移函数。
In this paper, the characteristics of the DFH technologies are described, and the frequency transition function based on the recursive shift register is proposed.
使用差分最大负平均信息量的方法,一个为ica的目标函数和一个快速ica算法在文中被提出。
Using maximum approximation of differential Negentropy, an objective function for ICA is introduced and a Fast-ICA algorithm based on maximum Negentropy is presented.
根据拓扑熵的定义公式,用逆像点个数的方法找到了有限长度超稳揉序列词的拓扑熵的差分关系式。该函数关系式直接依赖于揉序列词。
According to the definition of topological entropy, a new method of calculating topological entropy is found, which directly depends on the kneading sequence or word.
本文提出一种用于相位噪声测量的新型方差——变形高阶差分方差,其传递函数具有无旁瓣、谐波少等优点。
In this paper, a new variance used in the phase noise measurement, called deformed high difference variance, is presented.
新模型由差分动态系统和非线性互补函数(NCP)转换的半光滑方程系统构成。
The new model is composed of difference dynamic system and semi-smooth equations reformulated by NCP.
新模型由差分动态系统和非线性互补函数(NCP)转换的半光滑方程系统构成。
The new model is composed of difference dynamic system and semi-smooth equations reformulated by NCP.
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