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lose track of
相关语句
  相似匹配句对
     PRICE TRACK
     价格跟踪
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     Sound TRACK
     原声电影
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     The Track of Life
     人生的足迹(英文)
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     Lose Heaven
     失落的天堂
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     Gains and Lose
     得与失
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  lose track of
This is because formulae involving projection matrices lose track of what happens to an individual over its lifetime and are only concerned with expected numbers of descendants one time step in the future.
      
Lengthy navigation often leads to disorientation when users lose track of the context in which they are navigating and are unsure how to proceed in terms of the goal of their original query.
      
As a consequence, primordial germ cells lose track of the normal developmental line and transform into premalignant cells that later become testicular intraepithelial neoplasia (TIN), the precursor of full-blown testicular GCT.
      
When the robot accidentally turns towards the target, it will quickly lose track of it.
      
Without it, employees are more likely to make conflicting changes and to lose track of recent updates, leading to costly rework.
      
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As a coordinated hospital of Cardiovascular Prevention and Cure and Epidemiology of Hubei Province, we examined 3 443 teachers and workers in our university in 1979, and discovered that 268 of them bad essential hypertsnsion. And from. then on, thais hypertensives were required to take a regular check-up every 3 to 6 months.The following is a summary of the ttacing reSultS of the 12 years’regular examination given to those 268 hypertensive from 1979 to 1992: obvious differences (p<0. 01) in the ammount of cholesterol...

As a coordinated hospital of Cardiovascular Prevention and Cure and Epidemiology of Hubei Province, we examined 3 443 teachers and workers in our university in 1979, and discovered that 268 of them bad essential hypertsnsion. And from. then on, thais hypertensives were required to take a regular check-up every 3 to 6 months.The following is a summary of the ttacing reSultS of the 12 years’regular examination given to those 268 hypertensive from 1979 to 1992: obvious differences (p<0. 01) in the ammount of cholesterol pretent in the serum, and trislycerides between the Period of pre-medical-check-up and that of post-medical examination. Forty-one of them died from heart and encephalic diseases, constituting 15. 55 % of the total number of patients. The ECG was different between pre-examination and post-examination. The major cause of the death was cardiovascular and encephalic-vascular, 27 patients were lost track of due to job transfer and retirement.

1979年对我校在校的3443名教职工进行健康普查,检出高血压病268例,采取集中和分散的方法,每3~6个月在高血压专科门诊进行查访,1979~1992年共12年随访小结;血清总胆固醇.甘油三脂(TG)随访前后比较有显著差异(P<0.01).心、脑血管病死亡41例,占15.55%.心电图不同程度的改变,因心、脑血管病死亡占第一位,调离、退休失访27例,现存活200例.

In the process of multiple target tracking,sonar usually loses track of cross-moving targets. With the advent of one submarine equiped with several hydrophone arrays,it was possible to combine multiple targets tracking with multiple array outputs. This paper proposes a tracking algorithm based on the probabilistic data association filter (PDAF). Using the model of plane wave incident to two linear arrays,the tracking of two cross-moving targets was studied through computer simulation. The simulation result...

In the process of multiple target tracking,sonar usually loses track of cross-moving targets. With the advent of one submarine equiped with several hydrophone arrays,it was possible to combine multiple targets tracking with multiple array outputs. This paper proposes a tracking algorithm based on the probabilistic data association filter (PDAF). Using the model of plane wave incident to two linear arrays,the tracking of two cross-moving targets was studied through computer simulation. The simulation result showed that the algorithm is effective for reliably tracking two crossing targets. Mapping the algorithm onto a DSP hardware platform yielded a detection system with <5% error of range estimation.

为解决在多目标跟踪过程中,声纳存在交叉运动目标失跟问题.将多阵输出和多目标跟踪相结合,提出了基于概率数据联想滤波(PDAF)器的多阵多目标跟踪算法.计算机模拟结果表明,该算法在平面波模型下,利用两个线阵的输出可以稳定地跟踪两个交叉运动目标.将算法映射到DSP硬件平台,形成了一个多阵多目标跟踪的探测系统,实时处理的结果说明该算法对运动目标的估距误差小于5%

 
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