交叉项
网络释义专业释义
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cross-terms - 引用次数：27
WVD has the best time- frequency resolution characteristics. But when multi moving targets existing, the influence of cross-terms can not be neglected and the detected frequency bound is small.
WVD具有最理想的时频聚集性,但是在多目标信号时受交叉项影响严重,并且频域不模糊范围减小一半。
参考来源 - SAR地面动目标检测方法研究interference terms - 引用次数：2 参考来源 - 一种基于高斯混合模型的区域优化时频分布研究 -
wigner-hough transform - 引用次数：4
Studies on the Wigner-Hough transform in the suppression of cross-components, a modified algorithm is present based on Adaptive Gaussian Kernel Time-Frequency distribution, this algorithm not only suppresses the cross-components but also has good performance in the low SNR.3.
通过对Wigner-Hough变换作一定的改进，提出了基于信号自适应高斯核时频分布的Hough变换。 仿真结果表明，改进算法不仅可以很好的抑制交叉项，而且在信噪比很低时仍具有很好的性能。
参考来源 - 基于时频分布交叉项的水声信号特征提取 -
cross term
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双语例句原声例句
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在这种情况下交叉项代表两个，1s原子波函数的相干干涉。
So in this case the cross term represents constructive interference between the two 1 s atomic wave functions.
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为了克服交叉项的影响，提出了加权平均的方法来改进算法。
To conquer the influence of the cross term, a weighted mean method is proposed.
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通过将多个时频分析的窗口重叠来克服时频分析中交叉项的影响。
By using multiple overlapped SPWVD Windows, the effect of cross-term interference in the time-frequency analysis was minimized.
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So in this case the cross term represents constructive interference between the two 1 s atomic wave functions.
在这种情况下交叉项代表两个,1s原子波函数的相干干涉。
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