Sampling methods including over-sampling, under-sampling were taken to make up the shortage caused by the imbalanced data.
采用过抽样、欠抽样技术来弥补数据类别分布不平衡对模型性能的不利影响。
The precision of measure can be advanced by making use of over-sampling and lock-in amplifying on the pick-up of photoelectric pulse wave in DS detection.
应用过采样和数字锁相检测技术能提高动态光谱法中光电脉搏波信号的检测精度, 文章对此进行了理论推导。
This paper recommends the hardware design and software realization for porting the decode of G723.1 to an embedded processor based on ARM720T core, and analyzes a method of over-sampling.
介绍了G723.1解码算法在一种基于ARM 720t核嵌入式微处理器上移植的硬件结构和软件实现,并分析了一种增采样的方法。
Over 25 years of sampling insects, Brakefield and his colleagues noticed a change.
在超过25年的昆虫采样调查中,Brakefield和他的同事注意到一些变化。
Using over sampling technology in software the accuracy of temperature measurement is increased.
同时在软件上利用过采样技术提高温度测量的精度。
Methods Cluster, stratified and multistage sampling was taken. 1261 residents over 40 years old were assigned to fill in the questionnaires designed by WHO.
方法采用多阶段随机分层抽样方法,对1261名40岁以上居民进行问卷调查。
R — The average number of runnable kernel threads over whatever sampling interval you have chosen.
r——在所选择的任意采样间隔期间的平均可运行内核线程数。
Method: the 1483 inhabitants over 15 in Heishui county, from the stratum sampling, are interviewed.
方法:通过分层整群抽样,访谈调查了黑水县15岁及以上的居民1483人。
Signal sampling system of video communication over network usually has a low sampling rate suffering from the limited bandwidth, so aliasing noise is big problem.
受传输带宽限制,网络视频采集系统的采样率低,欠采样噪声严重。
A household survey was conducted over 6229 rural households in which there were 15667 persons through stratified and cluster sampling.
本研究采用分层整群随机抽样方法,共调查农村6229户家庭,15667人。
The groundwater monitoring network design involves the determination of the sampling locations and sampling frequencies to characterize the contaminant plume in an aquifer over space and time.
地下水污染监测网的设计包括取样点在空间上的采样位置和时间上的取样频率这两方面的确定,其目的是为了准确刻画污染羽在含水层中随时间的变化状况。
B — the average number of kernel threads that are in the virtual memory waiting queue over your sampling interval.
b——采样期间在虚拟内存中等待队列的平均内核线程数。
Methods Stratified cluster sampling was carried out to investigate 312 male physical education teachers aged over 35 years old in 160 primary and secondary schools in Jiaodong peninsula.
方法采用分层整群抽样方法,对胶东半岛160所中小学35岁以上的男性体育教师312人进行问卷调查。
Cluster sampling, in which random "clusters" of households are measured, is used in populations that are not in even or structured Settings but are spread unevenly over a large geographic area.
分组抽样,即测量随机的家庭“组”,一般用于不均匀地分散在较大面积地理区域的人群。
Methods Serum uric acid (SUA) was measured among 7778 inhabitants aged over 20 years old in 2 communities in Nanjing with the method of stratified cluster sampling.
方法采用分层整群抽样的方法,对南京市两个社区7778名20岁以上的居民进行了血尿酸普查。
If QA does the sampling, a special sampling hand-over record is required after filling in the sampling record.
如果是由QA取样,那么在做好取样记录后,还需要有专门的实验室样品交接记录。
Disadvantages Event sampling It is difficult to observe all incidents of key behavior over large areas.
在一个大的区域里对所有关键行为事件的观测是困难的。
Over the years, been rated as "advanced unit", "Top Ten Enterprises", "quality of trust units", "China quality Long March," Product sampling of qualified recommended units.
多年来,被评为“先进单位”“十佳企业”“质量信得过的单位”“中国质量万里行”产品抽检合格推荐单位。
The paper presents a typical self-weighting sample design for the stratified three-stage or over sampling.
本文提出了分层三阶段及以上抽样的自加权抽样设计方法。
Sliding window is often used as a sampling method for query processing and obtaining approximate answers over data stream.
滑动窗口是对数据流进行连续查询处理、得出近似查询结果的一种常用的数据采样技术。
Five years ago, if you took a random sampling you would have discovered that most companies had physical control over their mission-critical data and processes.
五年前,随机抽取一份样本,你就会发现,大部分公司都对关键数据和流程有实际控制措施。
Growth hormone secretion was analyzed by overnight blood sampling, every 20 minutes over 12 hours.
生长激素的分泌通过在夜间12小时内每隔20分钟取血样来进行分析。
Disadvantages Event sampling It is difficult to observe all incidents of key behavior over large areas.
事件取样:在一个大的区域里对所有关键行为事件的观测是困难的。
AIM: to find a practical method to measure area of skin over tissue expander by wet-cloth sampling and digital imaging software.
目的:湿布取样结合数码图像测量软件,探讨一种组织扩张后皮肤表面积的测量方法。
AIM: to find a practical method to measure area of skin over tissue expander by wet-cloth sampling and digital imaging software.
目的:湿布取样结合数码图像测量软件,探讨一种组织扩张后皮肤表面积的测量方法。
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