Application of Stratified Sampling Method to the Monitoring of Soi and Water Erosion in the Land Conversion to Forest Program 分层抽样法在退耕还林工程水土流失监测中的应用
For new technology research and commerial testing of various catalystic cracking, sampling analysis of cracking gas and checking the junctures of analysis method and its program have important effects on exploring the best operating parameters, and obtaining the reliable material balance data. 在各种催化裂化新工艺研究和工业试验中,做好催化裂化气体的采样分析,严格把关分析方法与程序,对探索新工艺最佳操作参数和取得可靠的物料平衡数据具有重要的影响。
Important factors include the sampling rate, the zero point of pressure sensor, and the correct calibration of sensor, The revised program and algorism may improve the precision of measurement. 如实时设定的实际采样率和压力传感器零点、对传感器校准与标定的正确性等诸因素均可影响实测数据的精度。
According to the input signal frequecy property, the equivalent sampling numbers and actual sampling interval of the input signals were controlled by a microcomputer program. 输入信号的等效采样次数及实际采样间隔根据其频率特性由微机编程控制。
Experimental result shows that the method can easily and rapidly realize some complicated Point Clouds Disposing functions such as rotating, transferring, zoom, sampling, line reconstruction, reduce the length of program code and improve the efficiency of programming and executing. 实验结果表明:可以方便、快捷地实现点云的旋转、平移、缩放、排序、重新采样及构造曲线等复杂的点云处理功能,减少了程序代码长度,提高了编程和执行效率。
On the basic, the sampling arithmetic of the average monopole symmetry rule is explained. According to the calculational results the systemic software program is designed. The systemic software creates the SPWM controlling wave. 论文阐述了异步电动机恒压频比SPWM调速的基本理论,并在此基础上论述了调速设计所采用的单极性平均对称规则采样算法,根据计算结果设计了系统的软件编程,用软件生成SPWM控制波。
On the basis of pre-investigation, stratified sampling was applied to determining the quantity of sampling for monitoring at expected reliability for the land conversion to forest program ( Fu County). 在预调查的基础上,运用分层抽样技术,计算出了既定可靠性下,退耕还林工程(陕西富县2002年)造林地监测样点的样本容量。
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。
In practice, considering the error caused by data sampling, author has made use of program judgement method which belongs to digital filter method to make error signal be within allowable scope. 在实际工作时,考虑数据采集时所引起的误差,利用数字滤波中的程序判断法以控制误差信号在允许的范围之内。
Random sampling is the basic sampling method in medical research and design. The paper presents the develop-ment and applications of sampling program. 单纯随机抽样是医学科研设计中最基本的抽样方法,介绍抽样程序开发过程及应用。
By pll frequency transformation for input signal, a relative signal of stepping delay is obtained. At same phase time of the relative signal, input signal is sampled. The equivalent sampling numbers and actual sampling interval of the input signal is controlled by a microcomputer program. 通过锁相环对输入信号频率变换,获得一个步进延迟的关联信号,在关联信号的同一相位点对输入信号采样,其等效采样次数及实际采样间隔由微机编程控制。
The sampling rule is described, the methodical basis of calculation is analyzed, and the program details are given. 描述了采样规则,分析了算法的理论依据,并给出程序说明。
Six from the mandatory implementation of the main sampling scope, the substantive requirements of the program elements, the right to relief, sample preservation expounded their views. 主要从强制采样的实施主体、适用范围、实体要件、程序要件、权利救济、样本的保存六个方面阐述了自己的观点。
ARM single-chip microcomputer and in the corresponding period sampling sampled data of timely transfer to the program host, have the more accurate analysis and calculation, the final with human-computer interface form will show the son in the operator must face. ARM单片机还要将在相应采样时间段采样的数据及时的传送给程控主机,有其进行更加精确的分析和计算,最终以良好的人机界面的形式将结果呈现子在操作员得面前。
Satellite onboard electrical field meter data sampling and transmitting system based on micro-controller is an important part of micro-miniature satellite onboard electrical field meter, which belongs to national '863 Program'. 基于单片机控制的星载电场仪数据采集和传输系统是国家863计划-微小型星载电场仪的重要组成部分。
The system software uses typical up to down and modular designing methods. In this dissertation, the total frame of main program, the design of A/ D sampling interrupt program, the design of CAN communication program and the processing of communication message are explained mainly. 装置的软件设计遵循模块化,自顶向下的设计思路,文中重点分析了主程序的总体框架结构,A/D采样中断程序的设计、CAN通信程序的设计和通信报文的处理思路。