1. The weak signals of ship are analyzed by means of higher order spectral technique based on Non Gaussian AR model. 采用高阶谱分析方法,基于非高斯AR参数模型对舰船微弱水声信号进行双谱分析。
2. It showed that correspondents ar the basic level can find out news clues from daily work and develop their skills. 说明基层通讯员完全可以从身边工作中发现新闻线索,练就熟练的新闻工作技能。
3. Colligating AR parameter model coefficient and Wavelet packet decomposition energy feature, we get feature vector of battlefield sound-target. 综合AR参数模型系数和小波包分解能量特征,获得战场声目标特征矢量。
英英解释
n.
1. a colorless and odorless inert gas; one of the six inert gases; comprises approximately 1% of the ea
2. a unit of surface area equal to 100 square meters
3. a state in south central United States; one of the Confederate states during the American Civil War