1) Proposal Cross
交叉立项
2) cross term
交叉项
1.
Considering the effect of the cross term on the imaging quality in the conventional time-frequency analysis, a novel algorithm is adopted to inhibit the cross term.
介绍了基于时频分析的逆合成孔径声纳距离-多普勒成像的数学模型,并针对传统时频分析方法中交叉项对成像质量的影响,使用了新的时频分析方法,从而较好地抑制了交叉项的干扰。
2.
It can control the cross terms among the multi-component signal and increase the resolution of time-frequency.
针对CW脉冲和线性调频(LFM)信号,利用Radon变换沿直线积分的特性,将其与时频分布(TFD)结合在一起,抑制多频率分量信号各个分量之间的交叉项干扰,提高时频分布的时频二维分辨力。
3.
A lot of cross components which could result in appearance of false frequencies, when the Cohen time-frequency distributions were applied on interharmonics dection, so it is difficult to suppress cross terms.
由于Cohen类时频分布在检测间谐波时,存在众多交叉项,会导致虚假频率的产生,为在实际应用中抑制交叉项,可通过求解电力系统谐波与间谐波的模糊函数,得到其特点即交叉项基本上都是处在平行于τ轴的位置,自项基本都分布在τ轴上。
3) cross-term
交叉项
1.
Removing cross-terms from Wigner distribution via thresholding multiple spectrograms
利用阈值多谱图去除Wigner分布的交叉项
2.
But there are still few cross-terms.
重排方法通过将代表信号局部能量分布的几何中心重排到其质量中心,从而提高时频表示的聚集性和可读性,但是并没有完全消除交叉项。
3.
The method of the Reassignment for suppressing the cross-terms is introduced in this paper.
针对时频分布中的交叉项问题,引入了重排理论,结合魏格纳———霍夫变换,提出了一种新的减少交叉项的方法———重排魏格纳—霍夫变换,实验验证该方法在抑制交叉项和提高时频分布检测性能方面的有效性。
4) cross-terms
交叉项
1.
Time frequency-based independent component analysis for elimination of cross-terms in Wigner-Ville distribution;
基于时频独立分量分析的Wigner-Ville分布交叉项消除法
2.
Ambivalent filter of cross-terms with Wigner distribution in EEG processing;
脑电处理的Wigner分布交叉项的模糊滤波
3.
On Suppressing Cross-terms in WVD Via Thresholding Superimposition of Multiple Spectrograms;
基于多谱图叠加阈值抑制WVD交叉项的研究
5) cross-component
交叉项
1.
Application of adaptive kernel time-frequency distribution in cross-components suppression;
自适应核时频分布在抑制交叉项中的应用
2.
Time-frequency distribution(TFD) of multi-component signal can produce cross-components,TFD with fixed kernels perform well only for limited signals.
多分量信号的时频分布会产生交叉项,采用固定核函数的时频分布,其适用的信号形式有很大的局限性。
6) Crossterms
交叉项
1.
Distribution Regularities of WVD Crossterms’ Energy Based on Instantaneous Frequency of Composited Signal;
基于合成信号瞬时频率的WVD交叉项能量分布规律
2.
Based on the idea of signal decomposition and with multi sinusoids as the signal model, a new method to suppress crossterms in Wigner ville distribution (WVD) by use of the “ CLEAN ” technique in frequency domain is prosposed, in which the signal is first decomposed into different single sinusoids and then WVD of each decomposed signal is computed.
针对多分量正弦信号 ,采用信号分解的思想 ,提出一种基于频域“CLEAN”抑制交叉项的方法 ,即先在频域利用“CLEAN”的技术将信号逐一分解 ,然后对每一个分解后得到的单分量信号进行时频分析(Wigner Ville分布 ) 。
3.
Analysis of a New Timefrequency Distribution for Suppressing the rossterms Abstract:The method of the kernel design of the recently brought forward timefrequency distribution which can solve high timefrequency resolution and suppress the crossterms from the point of filtering in the signals ambiguity domain is analyzed in this paper.
从信号模糊域滤波的角度分析了最近提出的一种新的高时 频分辨率抑制交叉项的时 频分布中核函数的设计方法与思路,并针对多分量线性调频信号用该分布进行了计算机仿真。
补充资料：交叉
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性质：来自两个不同个体的配子结合，或为该过程的结束生成重组体。
CAS号：
性质：来自两个不同个体的配子结合，或为该过程的结束生成重组体。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
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