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AN FPGA-BASED METHOD FOR A RECONFIGURABLE AND COMPACT SCANNER CONTROLLER

机译:基于FPGA的可重构紧凑型扫描仪控制器方法

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摘要

An essential part of a LADAR system is the scanner component. The physical scanner and its electrical controller must often be as compact as possible to meet the stringent physical requirements of the system. It is also advantageous to have a reconfigurable electrical scanner controller. This can allow real-time automated dynamic modifications to the scanning characteristics. Via reconfiguration, this can also allow a single scanner controller to be used on multiple physical scanners with different resonant frequencies and reflection angles. The most efficient method to construct a compact scanner with static or dynamic re-configurability is by using an FPGA-based system. FPGAs are extremely compact, reconfigurable, and can be programmed with very complex algorithms. We show here the design and testing of such an FPGA-based system has been designed and tested. We show here this FPGA-based system is able to drive scanners at arbitrary frequencies with different waveforms and produce appropriate horizontal and vertical syncs of arbitrary pulse width. Several programmable constants are provided to allow re-configurability. Additionally we show how very few essential components are required so the system could potentially be compacted to approximately the size of a cell phone.
机译:LADAR系统的重要组成部分是扫描仪组件。物理扫描仪及其电气控制器通常必须尽可能紧凑,以满足系统的严格物理要求。具有可重新配置的电子扫描仪控制器也是有利的。这可以允许对扫描特性进行实时的自动动态修改。通过重新配置,这还可以允许将单个扫描仪控制器用于具有不同共振频率和反射角的多个物理扫描仪上。构造具有静态或动态可重新配置性的紧凑型扫描仪的最有效方法是使用基于FPGA的系统。 FPGA非常紧凑,可重新配置,并且可以使用非常复杂的算法进行编程。我们在这里展示了这种基于FPGA的系统的设计和测试已经过设计和测试。我们在这里展示了这种基于FPGA的系统能够驱动具有不同波形的任意频率的扫描仪,并产生任意脉冲宽度的适当的水平和垂直同步。提供了几个可编程常数以允许重新配置。此外,我们还展示了所需的基本组件数量极少,因此该系统有可能被压缩到大约手机的大小。

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