专利汇可以提供Optical correlation apparatus专利检索,专利查询,专利分析的服务。并且An optical correlation system in which an optical modulator modulates a collimated monochromatic beam of light in accordance with an input reference signal to the modulator. An output light beam having sinusoidal light intensity variation versus phase retardation characteristics with the modulation quiescent operating point being positioned within a predetermined region of the characteristic by means of a fixed wave filter having a spatial pattern thereof applying amplitude and/or phase shift to the elements of the beam is applied to a cathode ray tube whose scanning beam is modulated in accordance with information, such as a radar signal, to be correlated with the reference signal source as modified by the modulator and wave filter to produce an output having a multiplication of the two signals.,下面是Optical correlation apparatus专利的具体信息内容。
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