rotational invariance meaning in English
旋转不变性
Examples
- Then , the advanced algorithms of doa estimation on this paper are the multiple signal classification ( music ) method , esprition of signal paramenters via rotational invariance techniques ( esprit ) algorithm and estimation of spatial two - dimension doa
然后重点研究doa估计算法中的多重信号分类( music )算法,旋转不变子空间( esprit )算法和二维doa估计算法。 - Fft is applied to data and spectra peak search is done , then using the data near the spectra peaks to compute two 4th - order cumulants matrix to form rotational invariance matrix pencil which the esprit algorithm can be applied to
对采样数据进行fft和谱峰搜索，截取谱峰附近数据构造一路信号的四阶累积量矩阵和二路信号的互四阶累积量矩阵，构成了一对esprit算法所需要的旋转不变矩阵束。 - Within one single source echo , both doa and time - delay can be estimated simultaneously by this algorithm via high - resolution rotational invariance technique and high - resolution time - delay frequency ( tdf ) technique . the esprit - tdf algorithm has features of low computation , good precision , and high resolution both in doa and time - delay . it is suitable for multiple source exact localization
该方法利用高分辨旋转不变技术和高分辨时延频率技术，可在单次目标回波内实现多目标信号的方位和时延参数的高分辨联合估计，具有运算量小、分辨能力强、估计精度高等特点，能够对多目标进行高分辨精确定位。 - In addition , research on esprit ( estimation of signal parameter via rotational invariance technique ) super - resolution imaging technology is made to improve image quality , especially in the case of small segment of viewing angle . afterward , a new multi - target isar imaging method for high - speed targets is presented
2 .在方位向的补偿(相位校正)方面,利用多重的离散傅立叶变换( dcft ) ,对目标平动引起的相位线性调频项的调频斜率进行精确估计,并直接构造补偿项对各个距离门进行补偿。 - Array processing plays a very important role in many fields such as mobile comunication , electronic reconnaissance , parameter estimation , signal discrimination and so on . subspace - based method is one of the important methods of array processing and has producted plenty of high performance algorithms through years of development . the typical ones are music ( multiple signal classification ) , esprit ( estimation of signal parameters via rotational invariance technique )
信号子空间方法是阵列测向方法中重要的一种,经过多年的发展,已经产生了大量性能优异的测向算法,典型的有music ( multiplesignalclassification ) 、 esprit ( estimationofsignalparametersviarotationalinvariancetechnique )等。