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necessary and sufficient conditions相关的网络例句

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For OFDM systems, necessary and sufficient conditions for blind channel identifiability based on the finite alphabet property of information symbols are established.

提出并证明了正交频分复用系统中基于信息符号有限字符集特性的信道盲可辨识的充分必要条件。

A few necessary and sufficient conditions with uniform integrability of B-valued random elements are obtained.

进而得到了B值随机元序列一致可积性的充要条件。

On the other hand, four necessary and sufficient conditions under which the equation is integrable are given.

同时也得到了二阶齐次变系数线性方程可积的其它一些充要条件。

The necessary and sufficient conditions under which the form invariance is a Lie symmetry is presented.

建立了系统的运动微分方程,给出了系统在特殊无限小变换下的形式不变性的定义和判据以及系统的形式不变性是Lie对称性的充分必要条件。

Using properties of idempotents,we show several necessary and sufficient conditions for the invertibility of the difference of two idempotents, and exhibit some applications to matrix ring s.

本文研究在一个有单位元的环中两个幂等元之差的可逆性问题,利用幂等元的性质,得到了两个幂等元之差可逆的几个充分必要条件,并给出了在矩阵环中的几个应用。

In Chapter 2, the D-symmetric solutions of matrix equation A~TXA = B on the linear manifold S ={X ∈ D~(-2)SR~|XZ = Y, Y = Y{D~2Z+D~2Z, Z~TD~2Y = Y~TD~2Z, Y,Z∈ R~}, by applying the generalized singular value decomposition of a matrix pair, the necessary and sufficient conditions for the existence and the expressions for the D-symmetric solutions of matrix equation A~TXA — B on the linear manifold are established.

运用矩阵对的广义奇异值分解,给出了这类线性流形上矩阵方程A~TXA=B存在D对称解的充要条件及其通解的表达式。另外给出了它的D对称最小二乘解的表达式。

In Chapter 4, the centro-symmetric solutions of matrix equation A~TXA = B on the linear manifold S ={X ∈ CSR~|||XY - Z||= min, Y,Z ∈ R~|}, using the quotient singular value decomposition of matrix pairs, the necessary and sufficient conditions for the existence and the expressions for the centro-symmetric solutions of matrix equation A~TXA = B on the linear manifold are established.

利用矩阵对的商奇异值分解,给出了这类线性流形上矩阵方程A~TXA=B存在中心对称解的充要条件及其通解表达式。

Necessary and sufficient conditions for state feedback linearization of a class of nonlinear discrete-time systems is presented.

4给出并证明了一类多输入非线性离散系统状态反馈线性化的充要条件。

The author determines necessary and sufficient conditions for a forinal triangular matrix ring to be V-ring or semi- V-ring.

给出了形式三角矩阵环 R 是V-环或半 V-环的充要条件。同时

In this paper, we give the necessary and sufficient conditions of maximality andtriviality,corresponding to their capacity characterizations.

本文给出了整格极大性及平凡性的充分必要条件,表现为相应的基积特征。

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