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 derivative
 The Data Integration and Derivative Algorithms in LabVIEW 数值微分积分算法及LabVIEW实现 短句来源 In this paper, it is infered that DOG will converge to Gauss and the second order derivative of Gaussian-laplacian respectively on the two extreme conditions of the arbitrarily change of the two scale parameters . 在对DOG函数的结构特性及一维尺度检测研究中，本文推导出了DOG函数在其两个尺度参数任意变化的两个极端情况下将分别逼近高斯函数和高斯-拉普拉斯二阶微分函数，这就为定性分析DOG函数在尺度空间的函数特性打下了基础； 短句来源 After the quantitative analysis and the comparison of the scale detection performance of Gauss function, the second order derivative of Gaussian-laplacian and DOG, it is showed that DOG function has better scale detection performance. 定量分析了高斯函数、高斯-拉普拉斯二阶微分函数和DOG函数对标准尺度信号的检测性能并作了比较，比较结果表明DOG函数有更好的尺度检测性能； 短句来源 This method improves the precision of first order derivative, and improves the reliability of the system. 为了减小数据中噪声的影响，提出了微分显微插值方法，有效地过滤了数据中的噪声，并且使得一阶导数更加精确，提高了方法的可靠性。 短句来源 Second-order derivative of Gauss filter is used to determine the edge points, andthe adaptive low-pass directional filter is employed to detect the orientation of edge. 通过对扫描截面灰度函数进行自适应的高斯微分滤波检测边缘点,通过低通方向滤波检测络脉在两侧边缘点走向。 短句来源 更多
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 Algorithm for Rapid Rotating of Graphics 图形快速旋转的数值微分算法 短句来源 On Principle and Realization of Symbol Derivatives Problem Solving System 符号微分求解系统的原理与实现 短句来源 Real Timing Controlly Computing DAE's Constraint Algebraic Algorithm 实时控制计算微分代数系统的代数约束算法 短句来源 A Class of Parallel Runge-Kutta Methods for Differential-Algebraic Systems of Index 2 一类秩2微分代数系统的并行Runge-Kutta方法 短句来源 Research on an Image Deformation Algorithm Based on Calculus and Its Implementation 一种基于微分思想的图象变形算法研究与实现 短句来源 更多

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 derivative
 Aliasing error bounds are derived for one- and two-channel sampling series analogous to the Whittaker-Kotel'nikov-Shannon series, and for the multi-band sampling series, and a "derivative" extension of it, due to Dodson, Beaty, et al. Examples are considered, and the frame bounds in the case of sampling of the signal and its first derivative are calculated explicitly. This article also gives a single necessary-and-sufficient condition for a holomorphic function to be the transform of a function f such that any derivative of f multiplied by any polynomial is in Lp (d, ρ). Applying a special derivative reproducing property, we show that when the kernel is real analytic, every function from the RKHS is real analytic. 5-Aza analogs were prepared of several tryptamine derivatives and a skatole derivative known to bind at human 5-HT6 receptors and evaluated to determine if they bind in a manner similar to their indolic analogs. 更多
 In this paper the sequential Circuitmodel by Huffman is revised. The noture of fuzzy border setis. invertigated. The sequential Cireut model with fuzzy border is set up on the bases of Boolean defferetial and fuzzy border set. By studing the grade of distinctness of fuzzy prick-shaped pulse. The criterion of the fuzzy state of the sequential circuit is finally put forward. Thus, the sequential circuit model described in this paper provides an evidence for a real algorithm of generation of fault test of sequential... In this paper the sequential Circuitmodel by Huffman is revised. The noture of fuzzy border setis. invertigated. The sequential Cireut model with fuzzy border is set up on the bases of Boolean defferetial and fuzzy border set. By studing the grade of distinctness of fuzzy prick-shaped pulse. The criterion of the fuzzy state of the sequential circuit is finally put forward. Thus, the sequential circuit model described in this paper provides an evidence for a real algorithm of generation of fault test of sequential circuit and algorithm of generating test of fuzzy state of sequential circuit (logic correctness checking). 本文对赫夫曼时序电路模型提出修正。确立了乏晰边沿集合的运算及性质。在布尔微分及乏晰边沿集合两个基础上,建立了乏晰边沿的时序电路模型。研完了乏晰毛刺的分明度量,最后提出了时序电路不分明状态的判定定理。因此,本文阐述的时序电路模型为时序电路故障测试产生算法及时序电路不分明状态的测试产生算法(逻辑正确性检查)提供了依据。 The pupil reflex to light may be treated as a feedback process to control the light impinging upon the retina. By means of an infrared TV equipment, the pupil area changes were measured as system response to the input of light pulses with various waveforms. The results showed that the dynamic characteristics of pupillary system is quite nonlinear, the pupil system behaves like a positive differential detector. A third order differential equation can be formulated to simulate this dynamic characteristic. The... The pupil reflex to light may be treated as a feedback process to control the light impinging upon the retina. By means of an infrared TV equipment, the pupil area changes were measured as system response to the input of light pulses with various waveforms. The results showed that the dynamic characteristics of pupillary system is quite nonlinear, the pupil system behaves like a positive differential detector. A third order differential equation can be formulated to simulate this dynamic characteristic. The meaning of the model was discussed briefly. 瞳孔对光反应可以看成是一个反馈控制过程,它自动调节投射到视网膜上的光量,对这个较简单的生物闭环系统的研究,有利于进一步探讨各种更复杂的生物控制系统. 本文是应用专用的红外线电视设备,以不同波形的可见光脉冲作为输入信号,对瞳孔控制系统的反应即瞳孔面积的变化进行了多次测量.实验结果表明系统的动态特性是非线性的,它具有正微商检测器特性。且可用一个三阶微分方程来模拟瞳孔控制系统的动态过程,并对此作了初步讨论。 In this article several kinds of spatial filters fabricated by the method of computer hologram are introduced. These spatial filters are used in contrast inversion and differential processing of image. Their characteristics are discussed with additive experimental results. 本文介绍几种用计算全息方法制作的空间滤波器,这些空间滤波器用作图象的反差倒转和微分处理,文中讨论了它们的特性并附实验结果. << 更多相关文摘
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