瞬时信号 meaning in English

instantaneous signal
momentary signal

On the other hand , in order to distinguish and identify the targets , and to solve the problems of radar imaging , phased array radar must have also wide instantaneous signal bandwidth
另外,为了提高天线的分辨、识别能力和对多目标成像的能力,相控阵雷达还必须具有大的瞬时信号带宽。
To detect transient signals under complex background , a novel method of aliasing - free exponential bilinear time - frequency distribution is presented in this paper , which can avoid the frequency aliasing and information loss existing in the traditional bilinear distributions , reduce the cross - terms effectively and possess high time - frequency resolution
摘要针对复杂背景条件下瞬时信号的探测，提出一种新的无混叠双线性时间频率分布方法，该方法能够避免常用的双线性时频分布中的频率混叠与信息丢失，有效减小交叉项干扰，而且具有较高的时频分辨率。