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。
Sampling rate conversion methods of integral ratio, fractional ratio, and NCO controlled positive real ratio are investigated.
文中分析了整数倍、分数倍和NCO控制的正实数倍的采样率变换方法。
By using the ratio sampling technology, the measurement accuracy can be improved to the extent that the performance of components is kept unchanged.
通过采用比率采样技术，在保持元件性能不变的前提下，可提高测量精度。
According to the characteristic of equipment and stratified sampling theory, the separate ratio estimator is applied to the appraisal of machinery and equipment.
根据设备的特点及分层抽样理论，将分别比估计应用于机器设备整体评估中。
The ratio of the input frequency to the output frequency of the signal is the same as the ratio of the recording sampling rate to the playback sampling rate.
信号的输出频率与输入频率的比值，和播放采样率与纪录采样率是一样的。
This paper proposed a new sampling plan, the sequential mesh test, in order to overcome the disadvantages of the widely used Sequential Probability Ratio Test (SPRT).
针对序贯概率比检验（SPRT）无法控制抽取样本量等不足之处，提出了一种改进的抽样检验方法——序贯网图检验。
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。
A practicable solution to the angle-digital conversion of synchro is provided, which includes cut section coding for the ratio of sine to cosine and sampling on double peak value.
针对自整角机的轴角数字转换，提出了分区间正余弦信号相比较编码和双峰值采样的方法。
It depends upon the sampling methods and the size of the disease rate whether exposure odds ratio (EOR) in case-control studies can be used to estimate the CIR or IDR.
在病例对照研究中，是否可用暴露比值比(EOR)作为CIR或IDR的无偏估计，取决于抽样方法和疾病率高低。
For the ratio estimate in two-stage sampling, the bias and mean square errors(MES) of the estimater value have been obtained, and the estimater value of the MSE has been given.
给出了二阶比估计量的偏差、估计量的均方误差以及均方误差的估计。
Particularly, the sampling frequency is raised by the use of high Speed Output (HSO) which is very suitable for systems which need microcomputer chip and will have a high performance cost ratio.
高速输出(hso)的使用提高了采样频率。这非常适合于需要微机芯片并将具有较高性能价格比的系统。
The paper proposes new separate ratio estimators for population mean using known skewness coefficient of auxiliary variable in stratified random sampling.
本文在分层随机抽样下通过使用辅助变量的偏斜系数提出了几个总体均值的估计。
The proposed changeable sampling ratio processing technology (CSPT) is an effective technique to detect the ratio of modulation of chirp signal.
变采样率处理技术是一种检测线性调频信号调制率有力的处理方法，但剩余多普勒对检测性能的影响十分严重。
In the safeguards environmental sampling, analyzing isotopic ratio of single uranium-bearing particle in swipe samples was very important.
在核保障环境取样分析中，对含铀单微粒进行元素和同位素分析是十分重要的。
Conclusion US-guided automatic biopsy was a good sampling method with high sampling successful rate, operating facility, high histological diagnostic accuracy and low ratio of complication.
结论超声引导自动活检术是一种取材成功率高、操作简便、并发症少的组织学取材方法。
Conclusion US-guided automatic biopsy was a good sampling method with high sampling successful rate, operating facility, high histological diagnostic accuracy and low ratio of complication.
结论超声引导自动活检术是一种取材成功率高、操作简便、并发症少的组织学取材方法。
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