Study on The Method Using A Complete Sets of Small Round Plots As the Investigate Unit of Typical Mode Sampling

成套小样园作为典型众数 抽样调查 单元的方法

A new method and an experimental unit for realizing phase shift interferometry by means of spatial domain sampling is proposed .

提出了一种利用空域 采样实现相移干涉计量的新方法和实验演示 装置。

The core unit of this instrument is 16-bit ultra-low power micro-controller belonging to MSP430 series . The instrument is integrated by the functions of the sampling and displaying for pulse as well as the analysis of the hemodynamic parameters and the serial communicating .

该仪器以TI公司的超低功耗16位 单片机MSP430为控制核心，具有脉搏波信号 采集与显示，血流参数的计算以及串行通信等功能。

It supplied the soil permeability unit grouping figure sampling pattern and mathematical model of sampling pattern of total infiltration quantity for estimating the theoretical conveyance canal losses .

为渠道理论输水损失水量计算提供了土壤透水性 单元聚类图、模式样本及入渗总水量的模式 样本的数学模型。

Using the electric eddying flow position sensor as the fundamental unit and with the application of dynamic null point sampling technology the column stress monitoring and protective systems of the main columns in the 100 MN hydraulic press have been established .

以电涡流传感器为基本 单元，并采用动态O点技术，建立了 100MN多向模锻水压机的应力检测与保护系统及其软件。

According to the characteristics of hydropower unit the reasonable methods of measurement and data analysis are presented including the sensors selection location and installation reasonable sampling rate sampling time and analysis methods etc.

根据水电 机组的特点，提出了合理的测试方法和数据分析方法，包括传感器的选型、布置、安装、 采样速率和采样时间的选择、分析方法的选择等。

In order to carry out the project reform on talent training pattern and experimental unit of Central Radio and Television University deeply Hunan Radio and Television University makes the sampling investigation of graduates in open education checking the teaching quality and talent training quality .

为深入开展中央广播电视大学人才培养模式改革和开放教育 试点项目，检查教学效果和人才培养质量，湖南电大开展了开放教育试点专业毕业生追踪 抽样调查。

Subsequently the software for the data-acquisition unit is designed . The software is made up of the main program A / D sampling data sub-program and the communication sub-program .

完成了在系统的软件设计，主要包括系统主控程序、A／D 采样子程序、数据通信程序以及 FFT计算子程序。

Signal output circuit was provided with unit of background elimination frame sampling control and keeping peak function .

该像 机采用了具有背景消除的选通 单元，瞬态帧 采集控制，保峰功能的信号读出电路。

The key for reliable function of synchronized phasor measurements unit ( PMU ) is the reliability of the one pulse per second ( 1PPS ) of global position system ( GPS ) which supplies synchronous sampling signal for PMU .

同步相量测量 装置（PMU）可靠工作的关键是作为同步 采样脉冲源的全球定位系统（GPS）的秒脉冲的可靠性。

The Unit type lithogeochemical survey method can decrease the numbers of sampling and the amounts of analytic run and reduce greatly production costs .

面型岩石测量方法可成倍地减少 样品 采集量和分析工作量，大幅度降低了工作成本。

A high efficiency filter of 60 mm diameter is employed in the particulates sampling unit while two stages of sampling cartridges packed with impregnated coconut activated carbon employed for the gaseous iodine sampling unit .

粒子碘 单元采用直径60mm的高效过滤膜，气态碘 单元采用2级以粒径60～80目、厚度为2cm的浸渍椰壳活性炭为吸附剂的活性炭盒 采样。

The green sand ingredient and compactability fast testing unit made up of an automatic sampling machine and a testing slave is developed to prepare a standard sand specimen and test conductive parameters automatically .

研制了由自动制 样机构和测试下位机构成的湿型砂组分及紧实率快速测试 单元，可完成标准砂样的制作和紧实率、导电参数的自动测量。

Based on the designed hardware circuit the software for electronic control unit was programmed . The software mainly consists of the main program the sensor sampling procedures motor control procedures and serial communication procedures and so on .

在所设计硬件电路的基础上，编写了电控 单元的软件程序，主要包括主程序、传感器 采样程序、电机控制程序和串口通信程序。

Using the individual as the unit of analysis survey research usually through sampling 、 questionnaire survey 、 interviews and other methods to learn or analysis objects ' information to research .

调查研究法：是一种获得第一手资料的方法，它一般通过 抽样的基本步骤，多以个体为分析 单位，通过问卷、访谈等方法了解调查对象的有关咨询，加以分析来开展研究。

There are many factors that influence the Sampling error such as extent of mark variation amount of sample unit and the choice of sampling method etc.

影响抽样误差大小有很多因素，如标志变异程度，样本 单位数量的多少， 抽样方式方法的选择等。

A typical landscape unit of Dongting Lake plain was selected as an experimental site . Approximate grid approaches were employed for the sampling scenario in 2004 with 651 Global Position System ( GPS ) established spots sampled in topsoil ( 0-20 cm ) .

以洞庭湖平原区典型景观 单元为试点，利用GPS定位共取得 651个耕层（0～20cm）土壤样品。