The septum, lateral, anterior and inferior walls of the mitral annulus were displayed, and selected for DTI spectral sampling.
记录二尖瓣环侧壁、间隔、前壁和下壁的运动频谱。
We studied reflecting spectral change characteristics in the depth profile of major soils in Hunan province through field sampling and lab analysis.
通过野外采样和室内测定，研究了湖南省主要类型土壤反射光谱的剖面变化特性。
Spectral data sources of sandy land included single surface feature and composite surface feature, and their spectral data were measured by different sampling methods.
沙化土地光谱数据源分为单一地物类型级和复合地物类型级两种，野外测量时分别采取不同的采样方法。
Radar imaging must obtain an extent of target spatial spectral-domain sampling, and the filling of spatial spectral domain is in direct connection with the quality of imaging result.
雷达成像需要获得目标空间谱域一定范围和密度的采样以重建目标图像，目标空间谱域的填充方式与雷达成像的质量有直接关系。
Spectral leakage caused by synchronous error in no-synchronous sampling is an important reason, which reduces the accuracy of spectral analysis and harmonic measurement.
采样不同步产生的同步误差是造成频谱泄漏和影响谐波分析准确性、检测精度的重要原因。
A new spectral interpolated compensation analysis method of periodic signals to compensate the spectral leakage caused by non-coherent sampling process is presented.
针对周期信号实际的非同步采样，提出一种频谱插值校正的分析法。
A new spectral interpolated compensation analysis method of periodic signals to compensate the spectral leakage caused by non-coherent sampling process is presented.
针对周期信号实际的非同步采样，提出一种频谱插值校正的分析法。
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