The DFT-based time-domain interpolation algorithm is only applicable to the OFDM system that either the first or last sub-carrier transports pilot. So the estimated values of sub-channel which is located at the edge have errors.
基于DFT的时域插值算法只能用于首尾一端是导频的系统,而使位于边缘的子信道的估计值有很大的偏差。
参考来源 - OFDM系统中基于导频的信道估计的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Angle domain signals are resampled from time domain signals through using interpolation algorithm.
对等时间间隔采样的齿轮箱振动信号，利用插值算法实现角域重采样。
The accuracy measurement of the signal can be achieved with a suitable windowing operation in time domain and an interpolation algorithm in frequency domain.
该算法通过对时域信号加合适的窗函数，并在频域采用相应的内插算法，可以有效地减小测量过程中信号的频谱泄漏，得到精确的测量结果。
The basic method applies Langrange interpolation techniques in time-domain to implement a secrecy fragmentation-reconstruction scheme.
基本方法是在时域上应用拉格朗日插值技术实现秘密分割-重构方案。
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