3D and two-dimensional frequency-domain OCT 三维及二维频域OCT
two-dimensional frequency domain 二维频域
two dimensional frequency estimation 二维频率估计
two-dimensional frequency-domain analysis 二维频域分析
two dimensional frequency-hopping time-spreading code 二维频域跳频时域扩频码
high-frequency two-dimensional ultrasonography 高频二维超声
high frequency two-dimensional ultrasound 高频二维超声
two dimensional shift-frequency 二维移频
Time-frequency two dimensional correlation 时频二维相关
time-frequency distribution two-dimensional correlation 时频分布二维相关
This algorithm is based on high-order range model, which firstly corrects range walk in the process of range compression and then corrects range bending in two dimensional frequency domain.
该算法基于高阶距离模型，首先在距离压缩时校正距离走动，然后在两维频域校正距离弯曲。
Proton NMR two dimensional time-domain data are collected based on the inversion-recovery technique. Double Fourier transformation of those data yields the two dimensional frequency-domain data.
基于反转恢复法建立质子nmr二维时域数据，经双重付里叶变换获得二维频域数据。
This paper introduces an analyzing method for evaluating the color even degree on the tile surface in two dimensional frequency domain, that is by adopting two dimensional discrete fourier transform.
本文对采集的瓷砖图像采用二维离散傅利叶变换对瓷砖颜色分布均匀度在二维频域范围内进行分析，提出了一种瓷砖颜色匀度的评判方法。
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