(telecommunication) the frequency of sampling a continuously varying signal

an adaptive sampling frequency tracking algorithm which adapt to realization of precise real time harmonic analysis is introduced.

提出了一种适于高精度实时电力谐波分析的自适应调整采样频率的电网频率跟蹤算法。

at last, a maximum likelihood estimating method of sampling frequency offset by transmitting two identical ofdm symbol was proposed.

通过连续重发两个相同的ofdm符号，应用最大似然估计方法确定采样频率偏差。

when sampling frequency is quite high, frequency spectrum distributing of digital natural sampling and natural sampling is similarity.

当采样频率比较高时，数字化自然采样法的频谱分布与自然采样法的频谱分布类似。

in the course of the sampling, the sampling theorem is a basic rule and points out the least sampling frequency for reconstructing the signals .

采样定理是采样过程中所遵循的基本规律，它指出了重新恢复连续信号所必需的最低采样频率。

the parameter panel includes trigger channel selection, trigger level, trigger delay, sampling frequency selection and sampling depth.

参数界面含触发通道选择、触发电平、触发延迟时间、采集频率及采集深度等设置。

and it gives the suitable limits of measurement precision respectively, when the sampling frequency of data is 10 times. 8 times and 6 times of the frequency of physical change.

给出了数据采样频率是物理量变化频率10倍、8倍和6倍以上时测量精度的适用范围。

conclusions are also useful in actual applications when the lowest sampling frequency is considered.

本文对如何在应用中正确地确定最低采样频率，提供了有益的参考。

the average period can also be useful to determine the reasonable sampling frequency and the minimum precise.

平均周期的提出还有助于确定合理的采样频率和采样精度。

the sampling frequency and the sample size can be adjusted according to the effectiveness of the segregation between the adjacent grade a and b zones.

可根据b 级洁凈区对相邻a级洁凈区的影响程度，调整采样频率和采样量。

however, the sampling frequency high enough cases, the use of telecommunications i/o resistor network is still able to meet the standard requirements.

但在采样频率足够高的情况下，使用i/o电阻网络仍然可以满足电信标準要求。

the relation between sampling frequency and considered harmonic power is derived.

导出了交流采样频立与所考虑高次谐波之关系。

thus, the data sampling frequency is raised.

从而，提高了数据采集的速率。

for bandpass signal under digital quadrature sampling, there is spectrum shifting. although the sampling frequency satisfies the sampling theorem, it may cause spectrum aliasing.

在数字正交采样中，带通信号存在频谱迁移问题，虽然满足带通信号的采样定理，仍可能产生频谱混叠。

in this paper, it is introduced to the influence of cavitation factor, measurement taps, sampling frequency and sampling time on the test result in pressure fluctuation test of the water turbine.

介绍了水轮机压力脉动试验时空化系数、测量位置及测点、信号采样频率及采样时间等因素对试验结果的影响。

influence of rotational speed on the time-dependent displacement response variance and influence of sampling frequency on the time-dependent displacement response variance curve are discussed.

讨论了不同转速对位移响应时变方差的影响和不同采样角频率对位移响应时变方差曲线的影响。

from the experimental spectra data, the range of analysis wavelength, the corresponding sampling frequency range and the minimum optical length of the gas cell are estimated.

由实验光谱数据估计了实际测量系统的主要分析波长范围、相应的采用频率、在线监测需要的最短程长。

based on the analysis of spectrum of pulsed wave, the sampling frequency is selected according to the performance of hardware.

在对方波频谱进行数学分析的基础上，结合硬件条件选择恢复波形的采样频率。

with system structure and basic unit circuit designed in this paper, the sampling frequency of dac can reach 50ms/s.

采用本文设计的系统结构和基本单元子电路，可以使得dac的采样频率达到50ms/s。

in addition, the sampling frequency of monitoring groundwater level was optimized by using time series analysis and statistical test.

并根据时间序列分析和统计检验提供的定量标準优化了地下水水位监测频率。

but the large amount of data needed to be processed limits the sampling frequency and the responding velocity, makes it not practical in real time system.

但由于数据量大，采样率低，响应速度受到限制，使它在要求实时响应的小型系统中很难得到应用。

analysis indicates:due to the effect of nonlinearity, sampling frequency must be increased to avoid overlapping spectrum and ensure the precision of measurement.

分析表明：由于非线性的影响，必须增大抽样频率才可避免频谱混叠，保证傅立叶变换轮廓术的测量精度。

the method consists of real-time estimation of signal frequency, synchronous tracking of sampling frequency and error correction of harmonic coefficients.

该方法包括信号频率实时估计、采样频率同步跟蹤和谐波系数误差校正几个要素。

「if a streams node sees something shifting from from a baseline, it will have enough intelligence to increase the sampling frequency and alert key people,」 says kolar.

kolar 说：「如果某streams节点发现某指标偏移了基準，它可以增加采样频率并提醒重要人员。」