The principle of sampling station choice, sampling, sample treatment and determination method were introduced briefly. 文中介绍了站位布设原则、样品采集、样品处理、分析测试方法。
The software is developed with the tools of Embedded Visual C++ 4.0 and Microsoft Visual C++ 6.0. The software includes two parts: the module for sampling and outputting and the module for communicating among the engineering station and the field control stations. 采用eMbeddedVisualC++4.0和Visualc++编程工具开发现场控制站的监控软件。软件包括数据采集及输出模块和网络通信模块。
This paper also studies the software radio key techniques including direct digital frequency synthesizer and software adaptive symbol synchronization method in the case of non-integer sampling deeply, and gives the preliminary scheme of the second generation software radio satellite ground station system. 对软件无线电关键技术中的直接数字频率合成器和非整数倍采样情况下的自适应符号同步方法进行了深入研究;并给出了第二代软件无线电卫星地面站系统的初步设计方案。
The factors to affect concentration of organotins and its special distribution are ship throughput and hydrological condition in each harbor, investigated season, and distance from sampling station to large-scale dock. 影响有机锡含量及其空间分布的主要因素有港口船舶吞吐量、水文状况、季节和与大型码头的距离。
The results were as fellows: ( 1) The detection ratio of HCHs and DDTs from each sampling station was 100% and 60%, respectively. 结果表明:(1)各河流监测点HCHs检出率为100%,DDTs检出率为60%。
In this paper, the sampling error on the mean of annual suspended sediment discharge for the Yichang station on the Yangtze River has been estimated by use of the hydrologic stochastic simulation, and the variation ranges of the mean have been analysed by other three methods. 本文应用水文随机模拟方法,对长江宜昌站年悬移质输沙量均值进行了抽样误差估计,并用其它三种方法分析了均值的变化范围。
Measured results from γ-sampling at some control station were under correction owing to the effect of the various load weights of some uranium ore. 本文叙述了不同铀矿石装载重量对检查站Υ取样工作结果的影响。
The Report on the Sampling of the Audience's Opinions of the Central People's Broadcasting Station, 1992 《1992年中央人民广播电台全国听众抽样调查》综合报告
Design of Software and Hardware Sound Sampling System for Pumping Station 泵站噪声采集系统的软硬件设计
This report describes the design, the main results and some features of the sampling survey of the audience's opinions of the Central People's Broad-casting Station, 1992. 本报告描述了1992年中央人民广播电台全国听众抽样调查的设计、主要结果和特色。
The paper introduces the principle of the two-point sampling algorithm and programming idea of AC sampling in a power station monitor system, and presents some chief program code. 介绍了电站监控系统中交流采样的两点采样算法和程序设计思路,并给出了部分主要程序代码。
The technique of sampling the signal by MSP430; the process of the realization of the communication between the base station and the mobile phone; the basic principle of the software design for realizing of the time dividing duplex communication. 介绍了射频和基带的硬件构成,设计了MSP430对数据进行采样的方法,阐述了基站和移动台之间建立同步数据链路的过程,给出了用软件实现时分双工的基本思路。
Make frequent and timely sampling and testing in intermediate station; 对中间站多次取样,及时化验;
Based on the principle of the pollution probability, the atmospheric sampling station was set up on the coastal area of upstream wind side where the pollution probability is the highest. 应用污染几率原则,选择在沿岸地区最大污染几率的上风方位设立大气采样点。
A sampling technology by microprocessor and a station where all calibrations data are held are presented in this paper. 阐述数据处理器的采样技术和软件工作站的引入。
Through sampling water quality in each station of secondary water supply system, the current situation of water pollution in secondary water supply and the main sectors and main reasons of the pollution are analyzed, the appropriate prevention measure are also put forward. 通过二次供水系统各水点的水质采样,分析了二次供水的水质污染现状及污染的主要环节和原因,并提出的防治措施。
In the period from 1999 to 2000, the N 2O vertical flux in the low atmosphere during the main growing seasons of rice was measured using conditional sampling method over a rice paddy at Changshu Agriculture Ecological Station. 1999年在常熟农业生态站试验稻田于水稻主要生长季,利用进口的条件采样装置对水稻低层大气N2O的垂直通量进行了观测,并在2000年做了补充观测。
A random sampling method was adopted for selecting one Community Health Service Center and one Community Health Service Station from each urban district in Wuhan. 采用随机抽样方法抽取武汉市每区1个社区卫生服务中心和1个卫生服务站作为调研目标,将现场调研与访谈资料作为建立标准体系资料来源之一。
The communication network based on the wireless SoC ( System on Chip) technology is adopted to transmit data between ECG sampling terminals and the base station. Wireless communication protocols are designed on the basis of the topology of the wireless network. 4. 采用了基于无线片上系统(SoC)技术的无线通信网络用于心电信号采集终端和监护基站之间的数据通信,并根据无线网络的拓扑结构设计了无线通信协议。
Ensuring all station groups contain more than 10 sampling stations, polychaete assemblages can be divided into 4 station subgroups. 在保证每个站位组所属站位数超过10个的前提下,两个航次的多毛类类群均可划分为4个子站位组。