查询词典 analog data

Reports and data provided include: downloadable annotated reports with data relating to the water quality (including trace metal concentrations) of the Forth Estuary between the years 1980-99, water quality standards for various coastal stretches in East Scotland, water quality classification schemes and resultant data (excellent - poor) for rivers, estuaries and coastal waters, bathing water data (1998 - 2001), SEPA indicator measurements for surface water quality, and a national archive of water quality data taken from 230 sites around Scotland which is used to estimate the river-borne input of selected contaminants to the sea and investigate long-term trends in main determinands.

其中包括：可下载报告全文，并带有1980-1999年Forth河口水质的相关数据，东苏格兰海岸不同的水质标准，水质分类方案及河流、河口、沿海、浴水的合成数据（1998-2001年），苏格兰环境保护机构的地表水质指示剂测定法和国家水质档案资料（水样取自苏格兰各地230个点位，常用于估计河流承受的污染物输入和调查长期趋势）。

Data structure is a professional and technical basis for classes, and he can help you learn computer analysis of the data processing structure characteristics, in order to choose the appropriate application of the logic of data structures, storage structures and the corresponding algorithms, and preliminary analysis of algorithms of time and space analysis techniques, But some algorithm data structure (linear scales, warehouse and accounts, string, etc.) will be some difficulty in understanding the data structure algorithms demonstration system is an effective way to resolve this difficult, and he gives a more intuitive understanding.

数据结构是一门专业技术基础课，他能帮助大家学会分析研究计算机加工的数据结构的特性，以便为应用涉及的数据选择适当的逻辑结构、存储结构及其相应的算法，并初步学会算法的时间分析和空间分析的技术，但数据结构中的一些算法（线性表、栈和队列、串等）在理解上会有些困难，数据结构算法演示系统正是解决这个困难的一种有效方法，他给人更直观的理解。

We also used the latent heat daily data、sensible heat daily data、relative humidity data and OLR daily data from NCEP-DOE Reanalysis2 which formed as 2.5-degree latitude x 2.5-degree longitude global grid with 144x73 points(1982～2005). The data of subtropic high ridge offered by Bational Climate Center . With singular value decomposition analysis, we studied key region of ocean-atmosphere interaction in the mid-latitudes in the Pacific. Second, by using wavelet analysis to study the character of the key regions of SST.Moreover the correlation analysis can help us to understand the reason of the cold water formed and the physical process of ocean-atmosphere interaction in the mid-latitudes in the Pacific. There are three mostly SVD modes which contribution reach to 70%,So the three mostly modes can reflect the mostly structure in the key region.

采用奇异值分解方法对1982～2005年逐候SSTA场和500hPa位势高度场进行同期、大气超前海洋、大气滞后海洋的分析，确定中纬度西北太平洋海气相互作用的关键区；利用小波分析对关键区海温和副高脊线进行周期分析，深入了解研究区域海温和副高脊线的年际、年代际变化特征；通过关键区海温与500hPa位势高度距平场的相关分析，研究中纬度西北太平洋SST异常与副高位置异常的关系；针对2005年夏季关键区SST异常与副高脊线位置异常开展海气相互作用物理量分析和大气环流分析，探讨关键区SST异常对副高位置异常的可能影响过程。

a kind of design project of multifunction electric power quality gauged instrument based on virtual instrument is put forward in this article.this system integrates virtual instrument programming and power electronics together,to realize diverse signals of current electric power quality field allin one.the integrated signal generator unit which carries out the collection of high speed digital data,d/ a conversion and analog output in four channels,unsymmetrical synchro control fifo etc.by fpga are introduced,the flow of electric power system various signal which generates by vc programming is elaborated,and the structural design of signal amplification unit is analysed.the experiment text result shows that this gauged instrument has attained current advanced high grade of accuracy and it will accelerate the steps of electric power quality calibration because of its accuracy and versatility.

摘 要：提出一种基于虚拟仪器技术的多功能电能质量标定仪的设计方案，采用虚拟仪器编程技术和电力电子技术相结合实现集目前电能质量领域的多样信号于一体。介绍采用fpga实现高速数字量采集、d/a转换及4通道模拟量输出、非对称同步控制fifo等的集成信号发生单元，阐述利用vc编程实现的电力系统多样信号的产生流程，分析信号放大单元的结构设计。实验测试结果表明该标定仪达到目前先进的高精度等级，由于其准确性和多功能性将加快电能质量标定的步伐。

In analog input channel, the combination software filter is applied to obtain more credible data as possible, and median voting circuit module is adopted in output channel to gain accurate outputs.

在模拟输入通道中采用中位值滤波和递推平均滤波的组合算法，来获取尽可能可靠的输入数据，在模拟输出通道中则采用中值表决电路通用模块实现正确的模拟输出。

In practical applications of the data collection system designed to quantify the number of external analog signals into a computer for processing.

在实际的应用中数据采集系统的目的是把外部模拟信号进行数字量化后送入计算机进行处理。

A modem is a device that converts data from digital computer signals to analog signals that can be sent over a phone line.

调制解调器可以将数据从数字信号转换成可以通过电话线传输的模拟信号。

In some information processing architectures, the role of various analog and digital data comparisons is very important.

在一些信息处理结构中，模拟数据和数字数据相互比较是非常重要的。

In this paper,according to collapse model we tested the effectiveness of genetic algorithm with analog data.

本文由斜井钻孔崩落的理论模型，用人工数据检验了遗传算法应用于此问题的有效性。

True to the analog spirit, not all data converters use the same digital format.

对典型的模拟精神，不是所有转换器都用相同的数据格式。

In this new architectural plan the Garden of Golgotha came to be at the centre of the new city.

Aelia 是高举他自己，并在此城内朝拜罗马诸神。

The continuous nature of peat accumulation means that terrestrial coaly rocks may provide a higher resolution and more complete record of base-level change than the time-equivalent shallow-marine strata, thus enabling the identification of highfrequency cycles that are not recorded in themarine strata.

泥炭积累的持续性质的手段，陆地coaly岩石可提供较高的分辨率和更完整的记录基准面变化的影响时，相当于浅海阶层，从而使确定的高频周期，不记录在themarine 阶层。