bit vector
英 [bɪt ˈvektə(r)]
美 [bɪt ˈvektər]
网络 比特向量; 位向量; 位元向量; 位矢量; 位元向量
双语例句
- In a bit-vector pushdown, for each push-down, the database server hashes the keys from the dimension table to create a bit vector, which is shipped to the fact table.
在位向量下推中，对于每次下推，数据库服务器通过散列维度表中的键来创建发送至事实表的位向量。 - Then for each row from the fact table scan, the foreign key is also hashed and probed into the bit vector to determine whether the current fact table row is filtered out.
然后针对事实表扫描的每一行，外键也被散列并探测到位向量中，从而判断当前的事实表行是否被过滤掉了。 - The bit vector occupies ( n_nullable+ 7)/ 8 bytes.
位向量占用了（可空的列数＋7）／8字节。 - So, let's look a little bit about one kind of vector field that actually we've encountered a few weeks ago without saying it.
我们来看看一种向量场，几个星期以前我们遇到过，不过没有指出来。 - OK, so the new definition for today is the definition of the gradient vector. And, our goal will be to understand a bit better what does this vector mean?
所以今天我们的新定义，就是梯度向量，目的就是更好的理解这一定义，这个向量的含义是什么？ - 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。 - The record header contains a bit vector for indicating NULL columns.
记录头包含一个位向量，用来指明空列。 - The implementation in the screenshot above seems a bit too complicated for just returning a value vector.
在上面的截图执行似乎过于复杂只返回一个向量值。 - A New High Quality Low Bit Rate Speech Waveform Vector Quantization Coder
一种新型的高质量低码率波形矢量量化编码器 - Application of the Principal Component Method for Rock Bit Selection Based on Vector Rotation
基于向量旋转的主成分法在钻头选型中的应用 - Then as to the disadvantage of the TSS native algorithms we bring forword a new algorithms which is bit vector algorithms base on rule length and the result of program show the performance of new algorithms is better than the native one.
然后本文针对TSS原始算法设计的缺陷，提出了基于规则长度的比特向量算法，仿真结果显示该算法的性能优于TSS的原始算法。 - The Research on Storing XML Document into Relational Storage Based on Segmented Bit Vector Coding Schemes
基于分段位向量编码的XML文档到关系存储的研究 - The BIT False Alarm Reducing Technology Based on Support Vector Machine
基于支持向量机的机内测试降虚警技术 - To meet the challenges of high speed and efficient mining, we amend the algorithms to reach a good balance between the time and space by using a bit vector indicating the frequent item.
在原算法的基础上，采用向量标识频集的方法，使其较好地达到时间和空间的平衡。 - On the base of segmented bit vector coding, The principle of how to store XML documents regardless of small or large scale into relational storage based on segmented bit vector coding scheme is discussed, and the corresponding algorithms are also given.
基于分段位向量编码方案，探讨了如何将任意大小的XML文档到关系存储的基本原理，并给出了相应的算法，具有很好的应用前景。 - A prototype system for statistical/ scientific data management based on bit vector storage structure
一个基于位向量存储结构的统计与科学数据库管理系统原型 - On this basis, the color characteristic in this system we extract is: a 72 bit vector of one dimension by statistical color histogram in HSV space;
基于这方面的考虑，提取图像的颜色特征有：在HSV颜色模型空间中进行颜色直方图统计得到一个72bit一维矢量； - Then, it lodges a viewpoint which leads SVG technology into PACS: converting medical image which based on bit map into vector graphic and mixing image information into vector graphic based on XML.
在此基础上，提出了在医学存档和通讯系统（PACS）中引入SVG技术的设想，即把基于象素点描述的医学图像转换成基于矢量的图形格式，以及在图像中集成相关的医疗诊断信息。 - The simulation results show that this algorithm can reduce the amount of computation greatly; meanwhile, the overhead to transfer the bit allocation vector is less.
该算法可以使自适应分配算法的计算量大大降低，同时也减小了传送比特分配向量所需的开销。 - In this paper, a vector control system using one z-80 Single board microcomputer and two Z-80 CPU units is presented. This system has effectively solved the problems between slow calculation rate of presents bit microcomputer and short sampling time and complex calculation in a vector control system.
本文介绍的矢量控制系统，采用一台Z-80单板机和二个Z-80扩展CPU单元，有效地解决了目前的八位微处理机运算速度慢与在矢量控制系统中采样时间短及运算最大的问题。 - This paper analyses the characteristics of IPV6 routing structure, introduces various techniques of IPV6 routing lookup, proposes a fast algorithm based on aggregated bit vector for routing lookup and compares the performances of the algorithms.
分析了IPV6路由结构的特点，介绍了IPV6各种路由查找技术，提出了基于ABV的快速路由查找算法，并对算法的性能进行了分析比较。 - At meantime, the approach of vertical bit vector expression is introduced to store transaction data for improving efficiency of time and memory.
同时引入了垂直的二进制向量表示法存储事务数据以提高时空效率。 - Based on intensive study of bitmap compressions, we proposed a rich-extend partition bitmap index approach and a self-adaptive partition word-aligned bit vector compression approach ( APWAH).
特别对位图压缩技术进行了深入的研究，提出了一种富扩展划分位图索引和一种自适应的划分字对齐压缩方法（APWAH）。 - Based on overlapped smooth window characteristic of complex lapped transform, the method could decrease the discontinuity of block edge, and thus produce a smooth motion field, which may reduce bit stream for motion vector.
利用复数交叠变换的交叠窗口平滑特性，该方法有效减少块边缘不连续性，因此得到的光流场较为平滑，从而减少运动矢量的传输码流。 - In the DA-based implementation, the lookup table ( LUT) stores all possible values of inner product of the fixed coefficients and the input bit vector.
在基于分布式算法的实现中，查找表事先存储所有输入位和系数的内积。 - Finally, the paper quantifies the service, and places it to the bit string vector group.
最后，本文对服务属性进行量化，并把发布的服务信息存储到位串向量组以及进行服务的查找。 - Compared with previous algorithm, a new algorithm is presented, which has higher quality and lower bit rates. Finally, combined with biorthogonal transform and vector quantization, this paper presents a feasible coding scheme, which can be an application of biorthogonal transform theory.
最后，本文将双正交变换与矢量量化技术相结合，提出一种可行的编码方案，作为双正交变换理论的应用之一。 - According to this feature, we propose a bit vector search algorithm which maps multiple channels into an integer variable. This variable is the so-called bit vector. Each channel corresponds to a bit in the variable.
根据这个特点，本文提出一种位向量搜索算法，该算法将多个通道映射为一个整型变量.这个变量即二进制位向量，每个通道对应变量中的一个位。 - From the perspective of bit plane correlation, this algorithm extracts features, uses support vector machine as a classifier to detect LSB matching.
算法从位平面相关性的角度出发提取特征值，使用支持向量机作为分类器，对LSB匹配算法进行隐写分析。 - The corresponding bit vector is retrieved when matching packets, then the bit vector and other fields are sent to TCAM to obtain matching result.
报文匹配时获取位向量，然后将位向量与其它字段组合查找TCAM得到匹配结果。