查询词典 sampling

According to the characteristic of the data processing, a interferogram regrouping error correction algorithm is designed, and devise a method to correct the sampling position error of the central dark fringe.

通过对其数据处理流程特点的分析，设计了一种归一化算法，对由干涉图重组时产生的误差进行了校正，并对在数据采集过程中干涉图的中心暗纹位置的采样误差进行了二次曲线拟合校正。

The function of the peripheral circuit controller was to manipulate a/d sampling and to buffer data.

而外围电路控制器的主要作用则是控制a/d芯片采样和上、下游流动噪声信号的数据缓存。

Auxiliary Boiler Series: If Atmospheric thermal spray Deaerator and Sampling Cooler.

锅炉辅机系列：如大气式热力喷雾除氧器和取样冷却器。

Sampling frame – 100 consultant psychiatrists from Yorkshire Deanery; 100 schizophrenia trialists whose e-mail is publicly available; 100 RETHINK service users.

样本量及对象：100名来自Yorkshire Deanery精神科医生、100名从事精神分裂症研究的研究者（他们的电子邮件地址是面向大众公开的）、100名经过反复思考选取的"服务使用者"。

Since the decimation of discrete time signals is similar to the sampling of continuous signals, it is also studied in the thesis.

鉴于对离散信号的抽取和对连续信号的采样非常相似，本文还把研究范围拓展到了对离散信号的抽取问题。

The error signal is smoothed by loop filter, then it is used to change the control register of interpolator and decimator: The proposed algorithm can track the frequency shift of sampling clock. The algorithm is simulated in both AWGN and multipath fading channel.

这种方法在发送端相邻载波间采用差分QPSK调制，在接收端利用QPSK的差分解调信号获得同步误差信号，从而获得关于OFDM符号同步和采样钟同步调整的算法，其特点是无需专门的同步导频信号。

The design of the sampling rate conversion sub-module includes that of interpolator,decimator and shaping filter,during the course of which,the researcher choose different methods,comparing their corresponding spectrum masking performance of the transmitter as well as EVM and PER performance of the receiver respectively to choose an appropriate shaping filter.

在设计当中，作者选择了不同的方法，通过比较发送端的频谱屏蔽性能以及接收端的误差向量幅度性能和误包率性能选取合适的成形滤波器。

It is proposed in this paper that the decimeter should be used as the criterion of the lower sampling limit for the XRF-logging technique.

根据沉积岩薄层岩层的厚度，提出以分米作为XRF录井取样的最低分辨率的标准。

A detection method of double-threshold constant false alarm movement object on double-base synthetic aperture radar includes finalizing distance compression of various pulse-sampling, dividing orientation time to be multiple CPI, carrying out FFT in each CPI to enter orientation frequency domain, comparing data amplitude of frequency channel at external of clutter region with the first threshold and outputting point trace, making coagulation on point trace, making Hough transform in point trace domain and making decision of the second threshold.

本发明涉及一种用于双基地合成孔径雷达的双门限恒虚警运动目标检测方法，其特征在于：1对每个脉冲采样完成距离压缩；2把方位时间分割成多个相干处理间隔；3在每个CPI内做快速傅立叶变换进入方位频域；4把杂波区外的频率通道的数据幅度和第一门限比较做判决并输出点迹；5点迹凝聚；6在点迹域做Hough变换并做第二门限判决。

Studying the positive definitiveness of the covariance matrix from discrete data is important to design the sampling plan and provides the base for the data analysis.However, there have been few outcomes about the positive definitiveness of covariance matrix, most of which have been restricted to the Covariance-matrix of continuous sample.

研究离散型样本协方差矩阵的正定性有助于判断是否可以降低样本的维数，有利于优化抽样个数，为抽样调查的优化设计方案提供一定的理论基础；为基于特征根的多元统计分析提供理论指导。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐