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首页> 外文会议>Conference on Algorithms and Systems for Optical Information Processing Ⅴ Jul 31-Aug 2, 2001, San Diego, USA >Evaluation of the real time optical filter generation correlator
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Evaluation of the real time optical filter generation correlator

机译：实时光学滤波器生成相关器的评估

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摘要

Optical correlators using spatial light modulators in the filter plane have been discussed and presented for many years. In most cases, these devices are electrically addressed modulators and the filters are generated off-line in software. These filters can be tailored to fit the desired application but cannot be adjusted to account for real-time changes in the target appearance. In addition, building filters to account for all of the possible viewing configurations can strain the reference database and the memory storage capability of the system. Recently, a correlator architecture that used an optically addressed, multiple quantum well (MQW) spatial light modulator as the filter plane device was presented. The architecture is a modified Vander Lugt correlator with and additional input modulator. The filter formed by the interference of the reference image beam and the reference beam is recorded on the MQW spatial light modulator. The recorded filter retains the full complex information as high-resolution film did years ago. Additionally, the filter can be updated simply by changing the pattern on the reference input modulator. The second input modulator is used to address this stored filter in a normal correlator read-out configuration. The correlator has been completed and results will be presented as part of this paper.
机译：多年来已经讨论并提出了在滤波器平面中使用空间光调制器的光学相关器。在大多数情况下，这些设备是电寻址的调制器，并且滤波器是通过软件离线生成的。可以定制这些过滤器以适合所需的应用程序，但不能对其进行调整以解决目标外观的实时变化。此外，构建用于说明所有可能的查看配置的过滤器可能会使参考数据库和系统的内存存储功能紧张。最近，提出了一种相关器架构，该架构使用光学寻址的多量子阱（MQW）空间光调制器作为滤波器平面设备。该架构是带有附加输入调制器的改进型Vander Lugt相关器。由参考图像光束和参考光束的干涉形成的滤光片记录在MQW空间光调制器上。所记录的滤镜保留了高分辨率胶片几年前的全部复杂信息。此外，可以通过更改参考输入调制器上的模式来简单地更新滤波器。第二输入调制器用于以正常相关器读出配置寻址此存储的滤波器。相关器已经完成，结果将在本文中介绍。

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