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SIMULATION STUDY ON AN INFRARED-LIGHT AUTOMATIC SYSTEM FOR MEASURING FISH SIZE

机译：红外自动测量鱼群大小的仿真研究

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摘要

The information of fish size is used to choose harvesting, grading and sorting dates. It is extremely important that how to measure the fish size automatically under a nature condition. The purpose of this paper is to verify infrared-light sensors could measure the length of a fish under the water. We acquire the length of a fish using the masked principle during it passing through the raceway. First the acquired data was transformed to computer by the interface card and measuring circuits. And then they were saved into the hard disk for future statistical analysis. In the software part, we adopted C language to program algorithm that combined the special estimation method and multi-comparable logic operation technology to strengthen the accuracy. From the experimental results, it is proved that infrared-light sensors could really be applied to measure the length of a fish. Finally, this simulation system is usable and convenient without the need of these complex hardware devices like the imaging system.
机译：鱼的大小信息用于选择捕捞，定级和分类日期。在自然条件下如何自动测量鱼的大小非常重要。本文的目的是验证红外光传感器可以测量水下鱼类的长度。我们在通过赛道的过程中使用掩蔽原理获取鱼的长度。首先，通过接口卡和测量电路将获取的数据转换为计算机。然后将它们保存到硬盘中，以供将来进行统计分析。在软件部分，我们采用C语言编写算法，结合了特殊的估计方法和多可比逻辑运算技术来提高精度。从实验结果证明，红外光传感器确实可以用于测量鱼的长度。最后，该仿真系统可用且方便，无需像成像系统这样的复杂硬件设备。

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