Using simple random and system sampling methods, we investigated 1205 disabled persons in Beijing.
本研究采取简单随机、等距抽样等方法在北京市抽取了1205名残疾人进行调查。
Whatever sampling percentage you choose, runstats allows you to sample rows (Bernoulli sampling) or pages (system sampling).
无论选择多大的抽样百分比,runstats允许对行(Bernoullisampling)或页面(system sampling)进行抽样。
Method National system sampling survey of kinds and number of the equipment in institution of disease prevention and controlment, compute equipment assets, and gaps compare with standard.
方法全国系统抽样调查省市县各级疾病预防控制机构的各类设备配置种类和数量,计算设备资产,和标准比较得到缺口。
For the control system to work, sensor sampling and control must be performed at periodic intervals.
为了保持控制系统的正常工作,传感器的采样与控制必须按照一定的周期间隔。
System page-level sampling is similar to row-level sampling, except that the pages are sampled and not rows.
系统页级抽样与行级抽样类似,除了抽样的对象是页面而不是行。
The Diamond DA42M Guardian is being kitted out with a special air sampling system to help accurately map the cloud that is causing chaos to air travel across Europe.
《钻石DA42M护卫者号》飞机装备着特殊的空气采样系统,它的上任有助于精确绘制出欧洲上空的火山灰云层图,目前整个欧洲航空业由于冰岛的火山爆发已经陷入一片混乱。
RUNSTATS with system page-level sampling.
带有系统页级抽样的runstats。
Some examples of RUNSTATS using Bernoulli row-level and system page-level sampling are as follows.
下面是一些使用贝努里(Bernoulli)行级和系统页级抽样的RUNSTATS例子。
This paper describes the structure and principle of the simulator, M-1, and the application of data sampling and control system to the simulator.
本文叙述了M-1型模拟训练器的组成和原理,以及数据采集及控制系统在模拟训练器中的应用。
The system design must be synthetically considered among the sampling frequency, system design index and implementing cost.
系统设计必须在采样频率、系统设计指标和实现成本之间进行综合考虑。
In the data acquisition system, the request of the sampling rate, distinguishability and anti-interference ability is higher.
目前,数据采集系统对采样率、分辨率和抗干扰能力的要求越来越高。
The sampling rate of a data acquisition system (for ac signals) is very important.
数据采集系统的采样率(对AC信号)是十分重要的。
Byusing the system of sampling gas signal with gas sensor array, the signals of the diverse gasoline are obtained.
通过气体传感器阵列组成的气体信号采样系统,可获得汽油样本信号。
In this paper, to balance the requests from different components in IoT system, an adaptive multiple sampling rate scheduling (AMSRS) algorithm is proposed.
为了平衡物联网系统的不同组件的要求,本文提出自适应多重采样速率调度算(AMSRS)。
Performs statistical analysis using tools such as: descriptive statistics, measurement system analysis, hypothesis testing, designed experimentation, control chart theory, acceptance sampling, etc.
运行以下工具进行统计分析:如描述性统计、测量系统的分析、假设检验、设计实验,控制理论图、验收抽样等。
Then, we discuss jitter 's influence on Signal-to-Noise Ratio of data acquisition system and skew' s influence on consistency of orthogonal sampling of high speed acquisition system in detail.
随后,详细讨论了高速数据采集系统中抖动对数据采集系统信噪比的影响和偏移对正交采样一致性所产生的影响。
On the base of hardware approach, to discuss all the theory involve in active detecting sonar system, including the selection of signal waveform, digital signal sampling, digital signal processing.
以硬件为基础,对所涉及到的理论都作论述,包括探测声纳的信号波形选择,数字信号采样、处理原理与方法。
If, as in sampling or digital systems, some elemental equations are defined or used only at discrete points in time, a discrete-time system is the result.
而假如,在采样问题或数字系统中常见这种情况,有些基础方程仅定义于,或仅能应用于离散的时间点上,这就导致了离散时间系统。
The system is capable of sampling, conversion and various calculations in both time and frequency domains.
可完成数据的采集、转换,并进行时间域和频率域的多种运算。
The sampling velocity is not important in many testing system, but it may be re-quired to output the testing result real time.
许多检测系统对采样速率的要求不是很高,但需要实时输出检测结果。
Signal sampling system of video communication over network usually has a low sampling rate suffering from the limited bandwidth, so aliasing noise is big problem.
受传输带宽限制,网络视频采集系统的采样率低,欠采样噪声严重。
The sampling system is controlled by an adjustable program timer or by a manual pushbutton.
取样系统用可调程序定时器或手动操作的按纽控制。
Results The system can be had a series of functions, including automatically biochip sampling, reaction, detection and so on.
结果:该系统可自动完成生物芯片的加样、反应、检测等一系列功能。
The design of a universal sampling system based on right-angle coordinate robot for liquid samples is described.
介绍了以直角坐标机器人为基础的通用型液体样品自动采样系统的设计。
Another analysis method for multiloop system with different sampling periods is introduced in this paper.
本文介绍另一种分析多回路不同采样周期的系统的方法。
This paper presents an issue of the precipitation in sampling system pipeline of airborne radioactive substances, radioactive gases and aerosols, from nuclear facility effluents.
本文叙述了核设施气态流出物采样系统中气载放射性物质(放射性气体和放射性气溶胶)在采样系统管路中的沉积问题。
There are two key elements in this system, a non-parametric sampling method and a flexible sketch model.
在系统中有两个关键技术,即非参数化采样方法和灵活的线条画模板。
The image sampling system that has target recognition function is described. The data is transferred by the USB interface chips.
介绍了一种有目标识别功能的图像采集系统,用usb接口芯片实现了数据的传输。
This article shows the reader how to design high quality anti -aliasing filters in sampling system.
本文介绍了在采样系统中如何设计高品质抗混叠滤波器。
This article shows the reader how to design high quality anti -aliasing filters in sampling system.
本文介绍了在采样系统中如何设计高品质抗混叠滤波器。
应用推荐