| 可精确测量低能见度的折返式跑道能见度激光测量仪的研究 |
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| 引用本文： | 施德恒,陈玉科,许启富.可精确测量低能见度的折返式跑道能见度激光测量仪的研究[J].四川激光,1999,20(2):23-26. |
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| 作者姓名： | 施德恒 陈玉科 许启富 |
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| 作者单位： | 空军第一航空学院基础部 |
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| 摘 要： | 本文介绍了一种可利用激光精确测量低的跑道能见度的仪器。该仪器由光学发射与接收系统、信号放大与处理系统及显示系统三部分组成。其中，光学发射与接收系统主要包括：Ｎｄ：ＹＡＧ激光器、倍频器、准直镜、扩束镜、分束镜、接收镜头、截止滤光片、窄带干涉滤光片及ＰＩＮ光电二极管等；信号放大与处理系统主要包括：电压跟随放大电路、可程控可变增益放大电路、计时电路、模－数转换电路及计算机系统等；显示系统则主要由显示器、
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| 关 键 词： | 跑道视程 低能见度的测量 激光探测 机场 合作目标 |
A study of the accurate transmission laser detection instrument for low visibility |
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| Shi Deheng,Chen Yuke,Xu Qifu.A study of the accurate transmission laser detection instrument for low visibility[J].Laser Journal,1999,20(2):23-26. |
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| Authors: | Shi Deheng Chen Yuke Xu Qifu |
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| Abstract: | This paper presents a new kind of the accurate intelligent measurement instrument for low visibility using laser.This instrument consists of three parts:optical emitting and receiving system,signal amplifying and controlling system,and display system.In detail,optical emitting and receiving system is mainly composed of Nd:YAG lasers,frequency multiplier,collimating lens,extender lens,beam splitting mirror,optical receiving lens,cut off filter,narrow band interference filter and PIN photodiode.The signal amplifying and controlling system is mainly composed of signal amplifier,programmable controllable gain amplifier,time circuit,A/D converter and computer.And the display system is mainly composed of indicator,printer and I/O circuit.The theory of low visibility accurate detection is introduced.The key technologies and corresponding solution methods are discussed. |
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| Keywords: | runway visual range low visibility measurement laser detection airport coorporation target |
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