null space
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释义
零空间；
英英释义
null space
n.a space that contains no points; and empty space
双语例句
A special smooth filtering operator is used to eliminate the pseudo-static null space phenomenon.
其中对产生伪静校正量的零空间现象进行空间平滑滤波剔除。
权威例句
On computing the null space of polynomial matricesLearning a Discriminative Null Space for Person Re-identification
Computational and Theoretical Analysis of Null Space and Orthogonal Linear Discriminant Analysis
Experiments of Formation Control With Multirobot Systems Using the Null-Space-Based Behavioral Control
Computational and Theoretical Analysis of Null Space and Orthogonal Linear Discriminant Analysis
The discrete null space method for the energy consistent integration of constrained mechanical systems: Part I: Holonomic constraints
Null Keys: Limiting Malicious Attacks Via Null Space Properties of Network Coding
Formation Control of Underactuated Surface Vessels using the Null-Space-Based Behavioral Control
The Null Space Problem I. Complexity
Null space conditions and thresholds for rank minimization
1. This can lead into additional space savings, if the table contains many NULL values.
如果表中包含很多null值，这样可以节省更多的空间。
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2. In addition, if you have a table with many columns that aren't typically used, you are also wasting disk space with NULL value fields.
此外，如果您有不常用的含多个列的一个表，您也在通过null值字段浪费磁盘空间。
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3. Enter a space if you want a value to be null.
如果您想要一个值为空，可以输入一个空格。
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4. Beam pattern null in the direction of the jamming is formed by a space filtering and assisted receive channels to suppress the jamming.
它是采用空间滤波技术，通过辅助通道在干扰方向上形成波束图的零点来实现对干扰信号的抑制。
youdao
5. Beam pattern null in the direction of jamming is formed by space filtering and assisted receive channels to suppress the jamming.
它采用空间滤波技术，通过辅助接收通道在干扰方向形成波束图的零点，实现对干扰信号的抑制。
youdao
6. When null, the data point takes up no space just as if the column didn’t exist.
当值为null时，数据指针就完全不占用空间，就像这个列不存在一样。
youdao
7. First, the actual occurrence of a specific value may indicate whether there are issues such as incomplete data by the presence of a Null value, a Space, and so on.
首先，一个特定值的实际出现可能表明是否存在问题，例如由于null值、空格等造成的不完整的值。
youdao
8. NULL values are stored with only three bytes, if value compression is active. You can expect space savings especially for numeric values.
如果激活值压缩，则null值的存储只需3个字节。
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9. First, by redefining the within class scatter matrix and the between class scatter matrix, a new null space method was presented.
首先，通过重新定义样本的类内散布矩阵和类间散布矩阵，提出了一种新的零空间法。
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10. It transforms the double-differential carrier observation equation using null space transformation so that it need not to resolve real-time three-dimensional position parameters.
对单个历元的双差载波相位观测方程进行零空间变换，避免了实时变化的三维位置参数求解；
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11. Beam pattern null in the direction of jamming is formed by space filtering and assistant receive channels to restrain the jamming.
它采用空间滤波技术，通过辅助接收通道在干扰方向形成波束图的零点，实现对干扰信号的抑制。
youdao
12. The system was converted to the block controllable form consisting of two parts, one was the range space subsystem and the other was the stable null space subsystem.
通过状态变换和去耦合处理将系统转换为块能控标准型，它由值域空间子系统和稳定的零空间子系统组成。
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13. NULL columns require additional space and they can add complexity to your comparison statements.
NULL字段拥有额外的空间，而且他会增加你比较的复杂性。
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14. The improved smooth algorithm based on the characteristic sub-space used deepen the null to fall the depth, enhanced the system's signal to noise ratio.
研究了改进的基于特征子空间的平滑算法，加深了零陷深度，提高了系统的信噪比。
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15. The optimal feature vectors are extracted from the null space of intrapersonal locality preserving difference scatter matrix, which avoids the singularity and the SSS problem is solved.
通过在个体类内保局差异散度矩阵的零空间中求最优特征向量，避免了矩阵的奇异性问题，解决了小样本问题。
youdao
16. A null is not the same as a zero or a blank space.
一个空值是不同于零或者一个空格符的。
youdao
17. First, a null-space restriction is used to define the searching space, and then, CTS is applied to search the optimal result of the integer ambiguity in the searching space.
首先用零空间约束法确定搜索空间，然后用CTS搜索整周模糊度的最优解。
youdao
18. First, a null-space restriction is used to define the searching space, and then, CTS is applied to search the optimal result of the integer ambiguity in the searching space.
首先用零空间约束法确定搜索空间，然后用CTS搜索整周模糊度的最优解。
youdao
null space
