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。
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。
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。
Based on sampling theorem, by the comparison of three sampling scheme, and the conclusion is drew that the black box of medium frequency digital is the most reasonable choice.
以采样定理为基础,通过对三种跳频电台采样方案的比较得出结论,黑盒中频数字化方法是目前最合理的选择。
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。
According to the Nyquist Theorem, the sampling rate must be more than twice the maximum frequency component of the signal being measured.
根据Nyquist定理,采样率必须是被测信号最高频率分量的两倍以上。
According to the Nyquist Theorem, the sampling rate must be more than twice the maximum frequency component of the signal being measured.
根据Nyquist定理,采样率必须是被测信号最高频率分量的两倍以上。
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