sampling theorem
[数] 抽样定理
常用释义
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基本释义
- [数] 抽样定理
例句
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1·Recently, a new sampling theorem has been proposed-compressed sensing.近年来，诞生了一种新的采样模式——压缩感知。
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2·Vertical positional errors are corrected using a filter employing a special case of the so-called Generalised Sampling Theorem.利用采用了所谓的广义采样定理的特殊情况的滤波器来校正垂直位置误差。
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3·The papers explanation of the minimum sample rate in the sampling theorem provides a theoretical basis for teaching and research.抽样定理中最低抽样率的明确说明为教学和理论研究提供了进一步的理论依据。
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4·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。
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5·In the H-FDTD method, Hegxagon grid is used for the spatial discretization by virtue of peridodical sampling theorem based on arbitrary geometry.这种方法基于任意几何形状网格的抽样定理，利用六边形网格来实现空间离散化。
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6·The sampling theorem is an important theorem in the stationary process, and discretization of the stationary process has theoretical and practical significance.平稳过程采样定理是随机过程中的一个重要定理。
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7·Conventional amplification technique is based on Ngquist sampling theorem; both there are some defects which reduces the quality of the image in the image processing.传统的放大技术以采样定理为基础的，在对图像处理中都存在一定的缺陷从而降低了图像的质量。
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8·Though examples of common signal and sine signal, by the frequency spectrum graph and theoretical analysis, the minimum sample rate of the sampling theorem is made clear.以一般信号和正弦信号为例，通过理论分析和频谱图示意，对抽样定理中最低抽样率的取值进行了明确的说明。
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9·The sampling theorem shows that aliasing can be avoided if the Nyquist frequency is greater than the bandwidth, or maximum component frequency, of the signal being sampled.采样定理表明，如果奈奎斯特频率大于样本的带宽或样本成分的最高频率，系统的采样失真可以避免。
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10·The phase retrieval problem from single intensity measurement was also discussed in terms of the properties of analytical function or under consideration of sampling theorem.由单强度测量来恢复相位问题，也有过讨论，可以利用解析函数特有性质或应用取样定理来实现相位恢复。