null vector
英 [nʌl ˈvektə(r)]
美 [nʌl ˈvektər]
网络 零向量; 以零向量; 空矢; 零矢量; 光向量
双语例句
- Lastly, the memory allocated to the vector is also freed and NULL vector is returned to the caller.
最后，还要释放分配给向量的内存并把NULL向量返回给调用者。 - Else, it goes through the binding vector array looking for a non-NULL pointer to binding handle.
否则，它循环遍历绑定向量数组，寻找非NULL的绑定句柄指针。 - It counts the number of non-NULL bindings to be exported from the binding vector and non-NULL UUIDs too.
它还统计要从绑定向量导出的非NULL绑定和非NULLUUID的数量。 - Columns that are NULL will not occupy other space than the bit in this vector.
值为空的列不会再占用此位向量以外的空间。 - One way to get the desired voltage vector is by synthesizing using two active voltage vectors and a corresponding null vector.
这种方法由前一个控制周期的定子磁链和电磁转矩误差，来对下一个控制周期所应施加到逆变器定子侧的空间电压矢量进行估算，然后借助中心合成矢量法来得到这个电压矢量。 - Theoretical analysis showed that the null spectrum of the ordinary MUSIC method is equal to the volume of the polygon, determined from the data matrix and a steering vector.
理论分析表明，常规MUSIC零谱相当于超维空间中由阵列观测数据矢量和搜索方向矢量决定的多面体体积。 - In the 3D-SVPWM technique, the null vectors which change into the positive vector and the negative vector influence the outputs of the converters.
在3DSVPWM技术中，零矢量变为零轴上的正向和负向电压矢量，对逆变器的输出有影响。 - In this paper, a novel algorithm of real phase only nulling synthesis for phased array antennas in proposed, which is based on the "Element Null Vector" and modified Gram Schmidt orthogonalization, it is effective to set wide null and low notch.
本文提出了一种相控阵天线相位加权置零综合的新算法。这种算法基于单元零点向量法和改进的Gram-Schmidt正交化方法，它能有效地设置宽零点和低凹口。 - In this paper the focal mechanism of the major shock and several aftershocks has been studied and the strike of seismic fracture has been also determined by means of null vector data.
本文研究了主震与若干余震的震源机制解，并应用零矢量方法确定了地震破裂面的走向。 - Based on mean theorem, the method combines Jacobian's eigenvalue with its eigenvector to form a null space vector of redundant robot.
该算法根据均值定理，利用雅可比矩阵的特征值及所对应的特征向量，构成冗余度机器人的零空间矢量； - A set of sufficient conditions for partial exponential stability and globally partial exponential stability of the null solution of nonlinear time-varying systems are established via scalar and vector Lyapunov functions and scalar and vector comparison technique.
分别利用数量与向量Lyapunov函数并结合数量与向量比较原理，得到了保证系统平凡解部分指数稳定和全局部分指数稳定的一系列充分条件。 - Two kinds of beamforming strategies, the optimal beamforming strategy and null space beamforming strategy, are proposed. An alternating iteration method is proposed to calculate the relay beamforming vector as well as sources 'transmit power.
针对最优的波束赋形和零空间波束赋形策略，提出了联合赋形向量及功率分配的交替迭代优化算法。