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large data     
相关语句
  海量数据
     The Large Data Direct Classifying Method Based on Hyper Surface
     基于超曲面的海量数据直接分类方法
短句来源
     Methods Usiny modeling way to solve large data real-time display is only way.
     方法基于四叉树的鄂尔多斯盆地地形三维实时细节层次模型(LOD)表示的方法,从建模的角度来解决海量数据地形的实时显示问题。
短句来源
     In recent years, Data Mining has rosed a great attention of the information industry, the main reason is because data ocean has more and more larghe we need new technology to transmute the very large data into useful information or knowledge.
     近年来,数据挖掘(Data Mining)引起了信息产业界的极大关注,其主要原因是数据海洋的日益增大,我们需要新技术将海量数据转化为有用的信息和知识。
短句来源
     Especially on Internet, because of the restrict of the Internet bandwidth , how to transmit these large data becomes restricting the putting out of GIS information.
     特别是在Internet上,由于受到网络带宽的制约,海量数据的传输更是成了制约动态和实时发布GIS信息的瓶颈。
短句来源
     A Novel Classification Method in Large Data
     一种新的海量数据分类方法
短句来源
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  大数据
     SYSTEM DESIGN AND REALIZATION FOR TRANSMITTING LARGE DATA BY SATELLITE
     大数据卫星传输系统的设计与实现
短句来源
     Results show that parallel genetic algorithm is fit for data reduction problem with large scale and large data sample point.
     结果表明,并行遗传算法适合于求解问题规模较大及大数据样本点的数据约简问题.
短句来源
     The computation results show that parallel genetic algorithm is fit for data reduction problem with large scale and large data sample point.
     计算结果表明,并行遗传算法适合于求解问题规模较大及大数据样本点的数据约简问题。
     The Design and Application of Large Data Analysis Software
     超大数据空间的软件设计与应用
短句来源
     The PC-cluster computers are widely applied to the seismic data processing and interpretation with large data volume, and the hardware structure and the system management are more complicated.
     PC Cluster集群计算机在大数据量的地震资料解释处理中应用比较广泛,其硬件结构和系统管理比较复杂。
短句来源
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  大型数据
     Design of Large Data Acquisition System
     浅析大型数据采集系统的设计
短句来源
     An Automatic Memory Management Algorithm for Large Data Structure
     一种针对大型数据结构的自动内存管理算法
短句来源
     The Research Into the Architecture of Large Data Warehouse
     大型数据仓库体系结构研究
短句来源
     The paper mainly introduces three kinds of large data acquisition system and general design procedure of large data acquisition system.
     本文主要介绍了三种大型数据采集系统以及大型数据采集系统的一般设计过程.
短句来源
     SOM network can project multi-dimensional data on a low-dimensional regular grid that can be effectively utilized to explore properties of the large data.
     SOM网络将多维数据映射到低维规则网格中,可以有效地用于大型数据的挖掘;
短句来源
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  大数据量
     The equipment can transmit data at the rate of 330MHz/bit, so the demand of high-intensity and large data is realized.
     该装置可实现 330MHz Bit的传输率。 从而完成了大数据量、高数据率的数据传输任务。
短句来源
     Using Prefetching to Improve Web Application User Experience in a Large Data Environment
     利用预取技术改善Web应用程序在大数据量环境中的用户体验
短句来源
     It is proved that GPRS technology is applied for the field 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。
短句来源
     By adopting Atmega128 as MCU and Siemens MC35 as GPRS Modem, wireless access to Internet is realized. It combines GPRS wireless technology and frequency measure system for bridge safety detection and can be applied in remote monitoring system that requires real-timeness and large data transfer.
     以At mega128单片机为现场数据采集端的MCU,并以MC35为GPRS Mo-dem来实现与互联网接入,将GPRS无线技术引入桥梁安全检测测频系统,非常适用于要求实时性的、大数据量传送的远程数据监控系统应用场合。
短句来源
     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
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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The aluminium nitride (A1N) film is one of the good piezoelectric materials exhibiting high-temper sure and chemical stability and good insulation. It is available for surface acoustic wave (SAW) devices with large electromechanical coupling constants,high acoustic velocities and ex-ellent high-frequency properties. The combination of SAW devices and semiconductors is a general trend today. And the behavior of high frequency and low dispersion of A1N film is promising for the realization of signal processing...

The aluminium nitride (A1N) film is one of the good piezoelectric materials exhibiting high-temper sure and chemical stability and good insulation. It is available for surface acoustic wave (SAW) devices with large electromechanical coupling constants,high acoustic velocities and ex-ellent high-frequency properties. The combination of SAW devices and semiconductors is a general trend today. And the behavior of high frequency and low dispersion of A1N film is promising for the realization of signal processing with large data rate.

氮化铝薄膜耐高温、化学性质稳定、绝缘性能好,是优良的压电材料。氮化铝薄膜机电耦合系数大、声速高、高频性能好,适合于制柞声表面波器件。SAW器件与半导体技术的结合是当前发展的一个重要趋势,AlN的高频和低色散性能有助于解决大数据速率的信号处理器件。 本文概述近期氮化铝薄膜的新发展,薄膜的制作技术、结晶学性质、压电性和声学性能,AlN和ZnO压电薄膜的初步比较、AlN薄膜的应用,特别是AlN薄膜在声表面波技术发展中的动向等。

Recently, optical image processing with its ability for parallel-processing, large data capacity and low cost has become a prominent branch ofimage processing techniques. In this paper, a halftone technique applied to equi-density-level-slicing of wider density thickness in order to isolate the specifieddensity area of an input image is described. This method is different from whathad been used previously where an one-dimensional-halftone screen (S_2) consistingof rectangular halftone cells (1) is chosen....

Recently, optical image processing with its ability for parallel-processing, large data capacity and low cost has become a prominent branch ofimage processing techniques. In this paper, a halftone technique applied to equi-density-level-slicing of wider density thickness in order to isolate the specifieddensity area of an input image is described. This method is different from whathad been used previously where an one-dimensional-halftone screen (S_2) consistingof rectangular halftone cells (1) is chosen. The halftone screen (S_1) here chosenconsists of halftone cells with nonmonotonic and abruptly jumping characteristicwhich can perform pulse-frequency-modulation on the input, thereby, the transfor-mation from the specified density to the special frequency is achieved. Thus, byusing a quasi-coherent processing system, the special filtering to abstract the spe-cified density areas can be accomplished. The hard-clipping preprocessing consists ofusing the halftone screen of fundamental frequency 7.51p/mm, spatial-frequency-product 450, ‘So’high-contrast film alld ‘D’_8 developer. The experimental results ofthe equidensity abstracted from a satellite remote sensing image are shown in thepictures. What we want to achieve by level slicing is an ideal rectangular intensitytransfer function (ITF). But since the hard-clipping property of the film used isby no means ideal and the line blooming is unavoidable in halftone picture, the level slicing ITF actually obtained had to be much degraded. In this work, the levelslicing ITF of the one-step film copying process of S_1、S_2 and the slice densitythickness are measured experimentally. The degree of degradation of ITF for S_1、S_2is determined individually by comparison with the ideal ITF. The comparison of thelevel slicing performed by S_1,S_2 demonstrates that the quality of level slicing ITFhas been improved and the line blooming has been reduced. Judged by the experi-mental results of the equidensity abstracted from the satellite remote sensing image,the corresponding boundaries of grey steps are clear. This proves that these slicesare independent and there is no cross over. Therefore, the original purpose of iso-lating the specified density area has been achieved. From this work we see this meth-od of level slicing by using halftone technique may be successfully applied in otherregions.

采用一种非单调的突跳型密度分布半色调屏进行密度切片,以减少线是对切片输出的影响。给出了卫星遥感图象等密度抽取的实验结果,实验侧定了切片强度传递函数和切片宽度。和以前报导过的矩形密度分布半色调屏的密度切片[1]相比,改善了切片强度传递函数的品质。

Thermal fatigue tests with various notch shape specimens of superalloy GH128 and GH131 on a BP-12 type testing machine were performed. The specimen deformation and the crack morphology were studied. After comparing with the fracture of flame chamber of aerojet, the most suitable size and shape of specimen notch has been determined. The result shows that for thermal fatigue tests the crack morphology mainly depends on the root radius of notch, and the deformation depends on the shape of specimen and constraining...

Thermal fatigue tests with various notch shape specimens of superalloy GH128 and GH131 on a BP-12 type testing machine were performed. The specimen deformation and the crack morphology were studied. After comparing with the fracture of flame chamber of aerojet, the most suitable size and shape of specimen notch has been determined. The result shows that for thermal fatigue tests the crack morphology mainly depends on the root radius of notch, and the deformation depends on the shape of specimen and constraining force. The root radius 0.1mm, prescribed in the temporary standard HCS 106-62 is too small and introduces large data scatter, so 1mm is suggested. In this case, the data scatter is smaller, and the morphology and distribution of cracks are more consistent with the real fracture characteristics of flame chambers.

在BP-12型试验机上对GH128和GH131合金的不同缺口试样进行了冷热疲劳试验。研究了试样的变形和裂纹的形态,并与航空喷气发动机的火焰筒的断裂特征进行了比较,找到了最佳的试样缺口的形状和尺寸。试验结果表明:冷热疲劳试验裂纹形貌主要取决于试样缺口根部半径,而变形则取决于试样形状和约束力。由于暂行标准HCS106-62所规定的缺口曲率半径为0.1mm,它会引起较大的数据分散性。因此,本文建议采用1mm半径,此时,试验数据分散性较小,并且裂纹的形态和分布都与实际火焰筒的断裂特征基本相似。

 
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