In this paper, two methods of realizing optical pattern recognition, spatial matched filter correlation and joint transform correlation (JTC), were discussed first with the emphasis on the JTC.
本文首先论述了实现光学模式识别的两种方案，空间匹配滤波相关识别和联合变换相关识别的原理和技术。
In this paper, the recursive filtering problem for linear discrete systems with delay observations is concerned. By using joint distribution function, we obtain the recursive form of the filter.
本文讨论带时滞观测线性离散系统的滤波问题，提出利用联合分布函数，得到滤波递推格式。
An L-shaped band elimination filter on the T-shaped joint part is also used for restricting the resonance of the frequency multiplication of the first resonance frequency.
位于T形接合部上的L形带阻滤波器亦用来抑制第一谐振频率的倍频的谐振。
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