Time维度表中满足过滤条件的 time_id连接键被散列以创建一个位向量，用于过滤以上跳跃式扫描的Orders 表行。
The time_id join keys that meet the filter requirements on the Time dimension table are hashed to create a bit vector that filters rows of the Orders table from the skip scan above.
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。
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.
以扫描向量中的属性频率项作为属性约简搜索的启发信息，提高了属性约简效率。
The item of attribute frequency in the scan vector was taken as heuristic information to improve the efficiency of attributes reduction.
扫描每一个顾客大约是O (M)，而不是O (MN)，因为几乎所有顾客向量都只含有很少的商品，无需考虑产品目录的规模。
Scanning every customer is approximately o (m), not o (MN), because almost all customer vectors contain a small number of items, regardless of the size of the catalog.
信息元相位扰动操作根据具体情况实施，抑制元相位扰动采取向量空间扫描的方式完成。
The scrambling of the information components is optional and the scrambling of the reduction components is achieved by vector space scanning.
对于确定的测试向量集，用该方法构造的扫描链能使电路总的测试时间最少。
For a fixed set of test vectors, the overall test time can be minimized using the scan chain constructed with this method.
对于确定的测试向量集，用该方法构造的扫描链能使电路总的测试时间最少。
For a fixed set of test vectors, the overall test time can be minimized using the scan chain constructed by this method.
本发明公开了一种扫描链故障诊断系统、方法及诊断向量生成装置。
The invention discloses a scan chain fault diagnosis system, a method and a diagnosis vector generating device.
为进一步降低测试功耗及测试应用时间，提出一种基于扫描链阻塞技术且针对非相容测试向量的压缩方法。
For the test application time can be reduced effectively, this paper proposes an approach based on scan chain disabling technique, in view of incompatible test vector compression method.
当某个子扫描链的测试向量需要更新且又不需要移出其测试响应时，其测试向量由可控LFSR产生。
The test vectors of some sub-scan chains generate by controllable LFSR when these chains only need to update test vector and do not need to shift out test responses.
这种方法利用确定性测试向量中存在的大量不确定位（X位），采用对测试向量进行扫描切片划分和兼容赋值的思想。
Thismethod exploits the large number of don't care bits (X) in test cubes and analyzescompatible relationships among scan slices.
实验中分析了IC故障类型、一般故障诊断流程和进行扫描链本身完整性测试的方案，并提出了一种外加测试码向量生成的算法。
In the experiments, the fault type of IC test bus, the fault diagnosis flow and the test principles were analyzed, and a fault diagnosis strategy of test bus was proposed.
兼容于BSDL和EDIF文件格式的自动测试向量生成软件可实现多种扫描测试功能。
The automatic testing software which is compatible with BSDL files and EDIF files can complete multiple boundary scan test tasks.
兼容于BSDL和EDIF文件格式的自动测试向量生成软件可实现多种扫描测试功能。
The automatic testing software which is compatible with BSDL files and EDIF files can complete multiple boundary scan test tasks.
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