Wavelet and Partial Differential Equation ( PDE ) are the main methods in removing image noise.

The sufficient conditions of impulsive exponential stabilization for a kind of nonlinear differential equation are obtained.

具体研究了一类分离变量型非线性常微分方程的脉冲镇定问题,得到了该方程可脉冲指数镇定的充分判据.

The direct integral formula of high order linear differential equation with constant coefficients is given.

给出高阶常系数线性微分方程的直接积分公式.

Inverse problem of partial differential equation is an interdisciplinary and frontier science.

偏微分方程反问题的研究领域非常广阔.

The theory of the solution of partial differential equations remained to be fashioned.

偏微分方程解的理论还有待于形成.

This is called a normal system of differential equations.

这称为正规微分方程组.

The solution of the set of second-order linear differential equations depends on the eigenvalues of A.

二阶线性微分方程组(6.10)的解依赖于A的特征值.

As applications, a second order system of differential equations is considered.

作为应用, 考虑了二阶微分方程组,得到了新的结论.

The generalization is quite similar to the corresponding one in the theory of differential equations.

这一推广和对应的微分方程中理论的推广相当类似.

The more recent research on differential equations is concerned with the qualitative theory.

对微分方程更近代的研究是关于定性理论.

His work remains mathematically in the realm of ordinary differential equations.

他的工作在数学上就停留在常微分方程的范围.

Solutions in this sense exist only for very few types of differential equations.

只有很少几类方程才存在这种意义下的解.

In 1728 Euler gave differential equations for geodesics on surfaces.

1728年,奥伊勒绘出了曲面上测地线的微方程.

When dripping from bleed screw stops and PSID needle on gauge stabilizes, record the differential pressure.

当从排气螺丝上的滴漏停止时,仪表上的PSID指针稳定下来, 则记录压差.

Suitable for testing differential pressure of dry and non-corrosive gases.

适用于测量干燥且无腐蚀气体的差压压力.

This movie demonstrates the particle position and differential pressure of sound wave.

本影片演示声波的粒子位置与分压.

The sensor made up of pressure and differential pressure is given.

提出了由一只静压和一只差压传感器构成的复合式传感器.

Therefore, the optimum technologic parameters in vacuum differential pressure casting were obtained.

得出了真空压差铸造法的最佳充型工艺参数.

Gage pressure is a special case of differential pressure.

计示压力是差压力的一种特殊情况.

Record this as the opening differential pressure of the relief valve.

将此读数记录为安全阀开启压差.

The maximum differential pressure across the valve seat.

通过阀门阀座的最大压差.