An automatic recognition system for characters on numeric meter dial plate displayed by LED is introduced.
介绍了一个数码管显示数字仪表表盘读数的自动识别系统。
It is enunciated by numeric simulation with single-chip LED. The more the temperature grade is, the more hugely the energy decreases. There is a stress concentration around the chip.
通过单芯片LED的数值模拟结果表明：温度梯度越大，能量的衰减也越大，芯片附近存在应力集中。
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