The narrow band FIR filter based on multi-sampling rate of digital signal processing theory is designed and realized on DSP.
基于多抽样率数字信号处理原理，设计窄带FIR滤波器，并在DSP芯片上实现。
The statistical characteristics of exponential distribution of urban short-duration rainstorm are studied when the rainstorm series are chosen by annual multi-sampling method.
讨论了采用年多个样法选样时，城市短历时暴雨的指数分布的统计特征。
However, some problems exist in the sampling, processing and interpretation of multi component seismic data, especially for petroleum exploration in the land.
然而在陆上油气勘探中，在多分量数据采集、处理方法和解释方面还存在一些问题。
The unit which consisted of two peristaltic pumps and a multi function sampling valve was controlled by a single chip microprocessor.
该仪器采用二泵一阀系统，由单片机控制，具有双路信号实时采集和数据处理功能。
To improve efficiency and veracity of soil sampling in testing bulk density, the cutting ring method and in situ soil tube method were combined and a multi-segment in situ soil sampler was designed.
为了提高土壤容重测定中土样采集的效率和精准性，将环刀法和原状取土管法结合，进行了分段式原状取土器的研制。
The input signal is reconstructed with several random sampling series by multi-trigger.
等效采样系统通过对该信号多次触发，用多个等效采样序列重建输入信号。
Methods The air samples collected with multi-hole absorbing tubes were determined by ion chromatography after sampling.
方法以装有酸性溶液的多孔玻板吸收管采样，用离子色谱法测定空气中的氨。
Variable sampling rate tracking, which is based on nets or grids multi-sensor asynchronous fusion tracking, is an important operating modes in phased array radar.
变采样率跟踪是相控阵雷达的一种重要工作模式，是基于网络或栅格多传感器异步融合跟踪的基础。
Methods Using multi-level sampling method, 638 subjects were selected randomly and surveyed. The serological specimens from 638 subjects were separated and detected using haemoglutinin inhibition(HI).
方法采用多阶段抽样方法，随机抽取638名调查对象进行个案调查并采集血液标本分离血清，用血凝抑制（HI）方法对标本进行检测。
The invention relates to a multi-functional air microorganism sampling case, comprising two cases of I case and II case.
本发明涉及一种多功能空气微生物采样箱，它包括I号和II号两个箱体；
In Chapter 2, it introduces the basic theory of the Software Radio, which includes the architecture of Software Radio, the sampling theory and multi-rate signal process.
第二章介绍了软件无线电的基本架构、软件无线电中的信号采样理论及多速率信号处理技术。
Dust particle counter, dust particle multi-point inspection system, sampling device, environment comprehensive parameter monitor, FFU central controller, etc.
尘埃粒子计数器，尘埃粒子多点检测系统，浮游菌采样器，环境综合参数监测器，FFU中央控制器等。
Large-scale sample surveys are always undertaken with stratified multi-stage sampling.
大型抽样调查总是采用分层多阶段抽样。
The modeling, analysis and control of the model-based networked control systems (NCSs) with multi-rate input sampling are studied in this dissertation.
本文主要研究了基于模型的网络化输入多率采样控制系统的建模、分析与控制问题。
Methods A total of 7482 residents aged 15-69 selected in representative 30 counties through multi-stage random sampling from Zhejiang Province were surveyed by using questionnaire.
方法采用多阶段随机抽样的方法，在浙江省有代表性的30个县区，对7482名年龄在15～69岁的居民进行面对面问卷调查。
They are particularly well suited for conducting automated sampling, sample preparation, and analysis in a multi-well plate assay format.
特别地，它们被很好地配置成在多孔板分析形式下进行自动取样、样品准备和分析。
Aiming at the issues, the paper presents two methods, the multi-channel non-gapped sampling technique on-line and recursive FFT algorithm.
针对上述问题，本文提出了两种方法：在线多通道无缝采样分析技术和递推fft算法。
Then digital matched filter (DMF), which is used to synchronize spread spectrum code, especially the multi-rate sampling in DMF is studied.
然后探讨了用于扩频码同步的数字匹配滤波器（DMF），着重分析了DMF的多倍码速率采样问题；
I2C bus digital potentiometer AD5242 was used as core of digital alternating current parameter multi-function meter, it has a point, two point and multiple point sampling arithmetic.
数字式工频交流电参数多用表以i2c总线数字式电位器ad5242为核心，其采样算法有一点、两点及多点。
Methods 1356 employees of 7 enterprises from 7 districts of Shenzhen City were selected by multi-stage random sampling and investigated by questionnaires.
方法采用多层随机抽样方法，抽取深圳市7个区7家企业1356名员工进行健康素养现状调查。
RESEARCH METHODThe stratified multi-stage cluster random sampling method was used in the survey.
研究方法本研究采用分层整群随机抽样方法进行抽样。
Methods Subjects were collected from community population by stratified multi-stage cluster sampling method. The data gathered from case investigation and serological detection.
方法对社区人群采用多阶段分层整群随机抽样方法抽取研究对象，进行个案调查和血清学检测。
GPS timing technique is used to realize remote multi -terminal synchronized sampling thereby enhancing the reliability of longitudinal difference protection of current.
通过引入GPS定时技术解决了远距离多端同步采样问题，从而使电流纵差保护具有更高的可靠性。
The invention provides a multi-inlet sampling device for an ion source.
本发明提供了一种用于质谱仪离子源的多入口取样设备。
Because of the randomness of sampling rate in large-scale systems and remote control systems, a kind of multi-rate sampling method based on self-adaption fuzzy modulator was presented.
针对复杂大系统和远程控制系统中采样速率的随机性问题，提出了一种基于自适应模糊调节的多速率采样方法。
A mass spectrometer ion source and a mass spectrometer system containing the multi-inlet sampling device are also provided.
还提供了含有该多入口取样设备的质谱仪离子源和质谱仪系统。
Methods. The survey was conducted according to multi-stage stratified cluster sampling method.
方法：分阶段分层整群随机抽样调查。
We give the approximation formulas of the variance of the sample ratio estimator for a population mean and its asymptotically non-biased estimator in multi-stage sampling.
讨论多阶段抽样比率估计及其样本量选择的问题，给出了比率估计抽样均方误差的近似公式及其渐近无偏估计的公式。
Method A multi-stage stratified cluster sampling survey on health condition of 14486 residents was taken in 2007.
方法：采用多阶段分层整群抽样方法，对2007年居民家庭健康状况入户调查，共调查14 486人。
Method A multi-stage stratified cluster sampling survey on health condition of 14486 residents was taken in 2007.
方法：采用多阶段分层整群抽样方法，对2007年居民家庭健康状况入户调查，共调查14 486人。
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