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- self-adjoint elliptic differential operator 自伴椭圆型微分算子
- strongly elliptic differential operator 强椭圆微分算子
- elliptic differential operator 椭圆型微分算子
- ANALYTIC SEMIGROUPS GENERATED BY STRONGLY ELLIPTIC DIFFERENTIAL OPERATORS WITH SINGULAR COEFFICIENTS 由具奇异系数的强椭圆微分算子生成的解析半群
- elliptic differential operators 椭圆微分算子
- The non-existence of radially non-increasing positive solutions is derived for a system of quasi-linear elliptic differential equations first of all. 摘要首先得到一类拟线性椭圆型方程组正解的先验界估计和衰减性质，从而推出该方程组的径向非增正对称解的不存在性结果。
- The Hamiltonian of the system is the Driac operator which as a matrix differential operator is not semibounded from below. 系统的哈密顿函数是作为矩阵微分算子的狄拉克算子，它不是半有界的。
- The elliptic differential equation method was adopted for two-dimensional (2-D) and three-dimensional (3-D) BFC grid generation. This method can generate stable grid and is suitable to an arbitrary complicated domain. 本文采用椭圆型微分方程法对二维和三维区域进行了BFC网格生成,该方法生成的网格稳定,适用于任意区域。
- Soble filter processing result, the visual impression that the only differential operator out the details mentioned in the outline of a number of relatively obvious. Soble滤波器进行处理的结果，在视觉上只能感觉到该微分算子所提取 出的细节轮廓相对明显一些。
- In this paper,a optimal finite difference scheme based on the optimal FIR method is discussed,with which the ideal differential operator is approximated in the frequency or spetial domain. 文中讨论了一种基于最优有限冲激滤波器设计方法的最优差分格式,从频率空间或者波数空间中实现对理想偏微分算子的逼近,构造一种新的具有低数值色散关系的最优时域有限差分方法。
- The theorem of the variational problems of the complete functional is proposed and proved.The complete Euler equation set is obtained through the introduction of the partial differential operator. 提出并证明了完全泛函的变分问题的定理，采用偏微分算子，给出了完全欧拉方程组。
- elliptic partial differential operators 椭圆型偏微分算子
- A Fast-Settling, High Dynamic Range Fully Differential Operational Transconductance Amplifier. 是Professor B.;E
- partial differential operator on manifold 流形上的偏微分算子
- Based on the fully differential operational amplifier and the dynamic comparator, the ADC can achieve 10 bits resolution and 10Msamples/s. 通过使用该结构的全差分运算放大器和动态比较器可以实现10位的分辨率,同时采样频率可以达到10MHz的流水线结构模数转换器。
- For the sake of predicting the detection effect of differential operators,the frequency features of common operators are analyzed from the view point of frequency domain. 为了预测微分算子边缘提取能达到的效果,从频域角度出发,分析了边缘检测中常用微分算子的频谱特性。
- Based on the analytical solution of partial differential in symbolic differential operation,the method of dynamic mathematical modeling of a twin-spool turbojet is proposed. 基于符号微分运算对偏微分的解析解方法,提出了1种双转子涡喷发动机动态数学模型建立的方法。
- Kernel functions and elliptic differential equations in mathematical physics 和函数与椭圆型微分方程
- By referring to a calibrated position on IAA7, three kinds of experiment are planned and carried to prove the effectiveness of differential operation of positioning. 利用成大航太系校正参考点IAA7，本研究规划及执行三种不同的实验来验证这个构想在定位上的可用性。
- Loosely, a mathematical or logic operator. 不严格地说，一种数学或逻辑运算符。
