This paper presents the principle and the features of a new spatial amplitude encoding pattern method implementing optical parallel array logic gates.
本文给出了执行光学并行阵列逻辑的一种新的空间振幅编码图形法的原理和特性。
Punch card: card punched with a pattern of holes encoding data for storage and reading.
穿孔卡：依照固定模式打孔，作为代码，贮存和阅读资料的卡。
The serial encoding method can reduce the diameter of the code disk and simplify the optical pattern, in favour of miniaturization and high precision of the absolute encoder.
与传统绝对式光学编码器相比，码盘直径小、光学图案简单，有利于绝对式编码器实现小型化和提高精度。
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