已研制完成了一套被动红外污染云团遥感报警系统。
A passive IR remote sensing alarm system for pollution clouds have been developed.
因此在红外成像系统中不得不加入主动或被动补偿机构，以补偿温度变化造成像面移动所引起的系统性能的降低。
For this reason, several active or passive compensation mechanisms have to be appended to thermal imaging systems to compensate the performance degradation with temperature changes.
为了避免此类事故，根据红外检测原理研制了被动式红外探测报警系统，以此对矿车里的人体目标进行检测，并作出声、光报警。
In order to avoid such accident, a warning system using passive infrared target detection was developed. It can search body targets in the mine cars and give sound and light warning as well.
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