... 线性非时变系统 linear time-invariant system N阶线性转换 linear transform of order N 线性转换 linear transformation ...
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linear transform of order N N阶线性转换
Using linear transform, the simple proof for solution of higher order linear differential equations was given.
利用线性变换，统一给出常系数线性方程齐次通解和非齐次特解解构造定理的简化证明。
A non-linear higher order polynomial fitting method is also proposed to transform the resistivity profile into seismic velocity profile under the control of a micro-well logging velocities.
同时，提出了在少量微测井控制下，由电阻率剖面转换地震波速度剖面的非线性高阶多项式拟合算法。
Demonstrated in this paper is how the Constant-transform method, the typical method for solving differential equations of order one, is used in solving linear differential equations of order three.
利用常数变易法求解具有实特征根的四阶常系数非齐次线性微分方程，在无需求其特解及基本解组的情况下给出其通解公式，并举例验证公式的适用性。
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