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large data
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  大数据量
    However, high dimension and large data amount of hyperspectral images bring trouble to target detection. What’s more, traditional segmentation and detection algorithms for single images are inefficient for hyperspectral images.
    然而高光谱图象大数据量、高数据维给目标检测应用带来了极大的困难,传统的基于单幅图象的分割、检测算法已经不适应于高光谱图象的小目标检测。
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    In Business Intelligence System the traditional cluster analysis has been widely used, but there are still some problems. When dealing with large data convergence, for example, it will sometime slower and more prone to local minimum problems.
    在商务智能系统中,传统的聚类分析虽已广泛地应用,但还存在一些问题,例如处理大数据量时收敛较慢,以及容易陷入局部极小值,即早熟问题。
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    2. It is important to realize the data acquisition for the universal testing subsystemsoftware design. The paper discusses the key technologies of the data acquisition and large data storage for the software design.
    2.通用测试子系统软件设计的关键在于数据采集技术的实现,为解决数据采集工作中遇到的各种问题,讨论了软件设计的数据采集和大数据量数据存储等关键技术。
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    The paper describes the characteristics of GPRS wireless service, then emphasisly study that its makeup , its basic theory, the design of the hardware and software of trolly wire monitoring system, it has proved that GPRS technology is applied for the field of real-time and large data transfer in practice.
    简述了GPRS无线业务特点,然后重点讲述了基于GPRS的架空电力线路监测系统的组成、原理以及软硬件设计。 实践证明GPRS技术非常适用于要求实时性的、大数据量传送的应用场合。
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    It is proved that GPRS technology applies to the fields of real-time and large data transfer in practice.
    实践证明GPRS技术非常适用于要求实时性的、大数据量传送的应用场合。
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  “large data”译为未确定词的双语例句
    (2) The HMMs’ parameters are further trained by the method of iterative learning from a large data set;
    (2)通过迭代学习的方法在大样本下进一步训练这些隐马尔可夫模型参数;
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    This system applies Active Server Pages (ASP) technique and other related Web techniques to carry out composite data query based on the database with large data size and complicated data structure.
    本系统应用ASP和其它相关Web技术,在数据量纷繁复杂的数据库的基础上,实现数据综合查询,数据的分析、控制、数据处理等技术与采用Web技术的信息查询和发布系统有机地结合在一起,并考虑了应用的安全性与系统的高效性。
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    Aiming at the needs of large data, high transport and complex operation, a real- time video- based processing system using SAA7115 as its capture A/D, TMS320DM642 as its core,SAA7105 as its display D/A ,is designed, and FPGA is used to control the display to achieve advanced function.
    针对疲劳检测算法中大数据量、高速传输、复杂运算的实际需要,设计了以SAA7115为视频采集A/D、DSPTMS320DM642为核心处理器、SAA7105为视频输出D/A,并以FPGA控制输出来实现增强显示功能的实时视频处理系统。
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    The system has the characteristics of high automation degree,large data collection capacity and strong system reliability,etc.
    该系统具有自动化程度高,数据采集量大,系统可靠性强等特点。
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    With Bisecting K-means algorithm,experiments show that the hierarchy of ontology concept is more refined and has lower time-complexity. Bisecting K-means algorithm is especially suited for handling large data sets.
    实验结果表明,Bisecting K-means算法产生的本体概念的层次更加精炼,时间复杂度较小,特别适合用于处理大型数据集.
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  large data
For the multiring and hypercube, a method of conflictless realization of an arbitrary permutation of "large" data items that can be divided into many "smaller" data blocks was considered, and its high efficiency was demonstrated.
      
A general method of conflictless arbitrary permutation of "large" data elements that can be divided into a multitude of "smaller" data blocks was considered for switches structured as the Cayley graphs.
      
The system unified the operation of various sets of equipment (radiation monitoring, radiometric, wave, materials science, and magnetic) and allowed the transfer of large data arrays from detectors located on the outer surface of the station.
      
To date, a large data set on the mitochondrial DNA (mtDNA) sequence variation in human populations has been accumulated.
      
The high-speed compression of large data streams in ultrasonic diagnostics
      
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A design and implementation of concentrator consisting of Z80 and seve-rial single chips has been presented. The paper explores its fundamental structure including interconnect and communication. The concentrator cohich has a series of advantages, such as fast response, large throughout, small buffer, and extensibilty etc, can be fit in distributed real time data processing system with large data throughout.

本文论述了一个由Z80和若干个单片机组成的数据集中器的设计与实现。包括组成、互连和通讯,该集中器具有响应时间快、数据吞吐量大以及内存缓冲区小的优点。可用于通讯量较大的分布式实时数据处理系统中。它的另一个优点是扩展性能好。

The fuzzy c-means (FCM) clustering algorithms are widely applied in pattern recognition. However, one of the most frequent operational complaints about FCM is that it may consume-for large data sets-large amounts of CPU time. There is sufficient incentive to accelerate computation time in FCM. This paper presents a fast FCM algorithm with two layers. It is amergence of hard clustering and fuzzy clustering. The result of hard clustering is used to initialize the c cluster centers in fuzzy clustering,...

The fuzzy c-means (FCM) clustering algorithms are widely applied in pattern recognition. However, one of the most frequent operational complaints about FCM is that it may consume-for large data sets-large amounts of CPU time. There is sufficient incentive to accelerate computation time in FCM. This paper presents a fast FCM algorithm with two layers. It is amergence of hard clustering and fuzzy clustering. The result of hard clustering is used to initialize the c cluster centers in fuzzy clustering, and then the number of iteration steps is reduced. The CPU time of the FCM with two layers is reduced to about one thirteenth of the time required forFCM implementation, therefore, our new algorithm can be applied for practical purposes.

模糊c均值(FCM)聚类算法在模式识别领域中得到了广泛的应用,但FCM算法在大数据集的情况下需要大量的CPU时间,令用户感到十分不便,提高算法的速度是一个急待解决的问题。本文提出的双层FCM聚类算法是一种快速算法,它体现了硬聚类和模糊聚类的结合,以硬聚类的结果对模糊聚类的初始值进行指导,从而明显地缩短了迭代过程。双层FCM算法所用的CPU时间仅为FCM算法的十三分之一,因而具有很强的实用价值。

Based on the SYCY-86 transient light source colorimeter, we developed theSYCY-86B light source colorimeter. It is applied to measuring photometry and dispersion ofunstable luminophor. It can measure luminosity, chromatic coordinates, main wavelength,colour purity and luminous density etc. Comparied with the original instrument, the model B colorimeter has the advantages of high precision, large dynamic range and large data pro-cessing capacity. The instrument is more convenient and reliable.

SYCY-86B型光源颜色动态测量系统是在SYCY-86型瞬变光源颜色测定仪的基础上研制的一种新型颜色测量设备,主要用于解决不稳定发光体的光度和色度参量测量,可测量光源的发光强度、色度坐标、主波长、色纯度、光照度等光度、色度参量。和原有的仪器相比较,B型系统的测量精度、动态范围、数据处理能力等均有较大程度的提高,仪器使用也更加方便可靠。

 
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