采样信号上的每一个数据点(一个小方块)图10.23代表这一次模数转换。
Each data point (represented by a square) on the sampled signal in Figure 10.23 represents one analog-to-digital conversion.
数据采集系统的采样率(对AC信号)是十分重要的。
The sampling rate of a data acquisition system (for ac signals) is very important.
对此例高频信号进行采样的系统，就是所谓的高速数据采集系统。
The sampling system that sample this high frequency signals is a high-speed data acquisition system.
经拉伸处理和窄带滤波的目标信号带宽大大降低，数据采样率也大大降低，因此计算量减小，利于工程实现。
The bandwidth of target signal after stretch processing and narrowband filtering, the data sample ratio and computing burden are reduced greatly and the method is easy for engineering implementation.
系统由程控电源、测试回路、信号采样、调理电路和数据采集接口卡等部分组成。
The system is composed of programmable power, test circuit, signal sampler, signal conditioner and data acquisition card.
一种基于多媒体增强指令集(MMX)技术的生物医学信号采样数据软件解调方案。
A novel sampled data software demodulation solution for biomedical signal acquisition based on Multimedia Extensions (MMX) technology is introduced in this paper.
由于近来数字信号处理器(DSP)技术的进步，一种将过采样及抽取的概念引入数据采集系统的设计已取得成功。
Recently years, with DSP techniques further developing, it has made successes to introduce the oversampling and decimation techniques into data acquisition system.
采用GPS中频信号采样器采集实际GPS数据，对搜索和跟踪算法进行了验证。
GPS digitized intermediate frequency signal sampler was used to validate the algorithm of acquisition and tracking of software receiver.
对信号响应的波形特征进行分析和讨论，实验得出LIV信号半峰全宽与数据采集卡临界采样率成反比例关系。
The results show that there are inverse proportional relationship between full wavelength at half maximum(FWHM)of the LIV signal and critical sample rate of data acquisition card.
采样到的数据没有包含整数周期的信号，或反复发生的信号。
The sampled data does not contain an integer number of cycles or repetitions of the signal.
在数字信号处理的许多场合中，信号的采样数据在进一步分析之前必须平滑处理。
In digital signal processing there are many cases where the sampled data of the signal should be smoothed before any subsequent process.
超宽带信号的数字化在很大程度上取决于采样时刻的准确性，因此是否具有高精度的可编程定时器是实现超宽带信号数据采集的关键。
UWB signal digitization depends, to a large extent, on the accuracy of sampling time. A high - accuracy programmable timer is therefore the key to implementing UWB signal data acquisition.
采样端固定在旋转构件上，将传感器输出信号进行信号调理和模数转换，并利用无线数字传输技术将数据发送到接收端；
The sampling part, which is fixed in a revolving component, processes and digitalizes signals from sensors and sends out the data by wireless transmission technology.
该系统通过对气缸内的动态压力信号、压力标定信号及活塞止点信号进行数据采样，并对实测采样数据分析处理，得到示功图；
Based on the analysis of the data obtained from the data sampling to the dynamic pressure, rating pressure and pressure of the stopping point, the indicated chart could be achieved.
用此公式能够快速的从非同步采样数据得到信号的幅值相位信息。
Some information such as amplitude and phase can be obtained from this formula very fast.
研究了连接动态压力传感器的信号线长度、放大器的滤波频率和数据采集系统的采样频率对空气压力波测量的影响。
The effects of the signal line length, the filter and the sampling frequencies on measuring air pressure pulse were studied in this paper.
系统处理的是连续视频信号，数据量大，采样频率高，本文采用了一种利用FIFO的帧中斯管理方法来解决视频信号的采集问题。
The sampling rate of continuous video data processed by the system is high , so we use a method by the use of FIFO frame buffer to capture the video.
在刚度、垂度及温度等边界条件一定的条件下，拉索索力测量精度主要由振动信号数据采集的频率和采样时间决定。
With the fixed stiffness, sag, temperature and so on, survey precision of the tension force of the cable is determined by the sample rate and the sample length of the vibration signal.
依据多传感器数据融合原理的多周期检测数据融合处理方法，对滤除采样中的干扰信号、提高端面侧摆检测的准确性均十分有效。
Based on the data fusion theory of multi-sensor, a kind of method of more cycle measure and data fusion is suggested.
研究平台包括了MIT-BIH数据库及其重采样数据库、同步12导数据库、虚拟心电信号发生器。
The platform includes MIT-BIH database and its resample database, a 12 channel synchronous ECG database and a virtual ECG generator.
运用锁相环技术使采样频率同步跟踪信号频率，提高采样数据计算的准确性。
The use of phase-locked loop technology makes the sampling frequency synchronously follow the signal frequency and improves the calculation accuracy of sampling data.
对角线信号处理法是本文所述方法的一个重要的特例，故对对角线采样数据的频谱进行了研究。本文建议的并行算法可以分别用向量处理器和专用硬件来实现；
The method of diagonal processing is an important special case of the proposed method and the properties of the frequency spectrum of diagonal-sampled data are examined.
硬件设计方面，根据柴油发电机组数据采集和处理的实际特点，用CPLD和DSP控制对六路同时采样的高速A／D转换器ADS7864来完成六路交流电信号的数据采集；
With regard to the hardware design, we use the CPLD and DSPs to control the ADS7864, which can sample the six signals of voltage and current at the same time;
DSP对PC机数据或者直接采样语音信号，通过无线网络传输，实现数据通信。
DSP data on the PC, or directly sampled voice signal transmission over wireless networks, data communication.
针对低信噪比的雷达回波信号数据采集，文中给出了中频带通采样方案，并选用PC I_9820高速采集卡实时采集和存储数据。
Aiming at data acquisition of radar echo signal with low SNR, IF band-pass sampling concept is proposed. High-speed acquisition card PCI_9820 is used to sample in real-time and store data.
硬件设计方面，根据电力系统中数据采集和处理的实际特点，用CPLD和DSP控制可对六路同时采样的高速A／D转换器ADS7864来完成六路信号的数据采集；
With regards to the hardware design, we use the CPLD and DSP to control the ADS7864, which can sample the six signals of voltage and current at the same time;
硬件设计方面，根据电力系统中数据采集和处理的实际特点，用CPLD和DSP控制可对六路同时采样的高速A／D转换器ADS7864来完成六路信号的数据采集；
With regards to the hardware design, we use the CPLD and DSP to control the ADS7864, which can sample the six signals of voltage and current at the same time;
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