论文部分内容阅读
为了开发光纤的应用,了解光纤传输雷达信号的特点,我院通信研究所与720厂设计所共同进行了光纤雷达传输系统的试验,经过不到半年时间的努力,整个系统的试验工作已于最近完成。试验系统是用一根长度为1km、衰耗为7dB的光缆代替原有的四根100m同轴电缆,把796型导航雷达与带有计算机终端的616终端显示相连,传送796雷达送出的视频信号、触发脉冲、方位增量,正北信号。在终端显示器上动目标清楚,计算机录取正确,传输效果不低于原来的同轴电缆。试验表明,光纤是传输雷达信号的一种良好介质,与同轴电缆相比,不仅容量大、损耗小,而且具有较强的抗干扰、抗辐射能力,对雷达通信具有重要意义。此外,雷达具有多种信
In order to develop the application of optical fiber and understand the characteristics of optical fiber transmission radar signal, our Institute of Communications and 720 Design Institute jointly conducted a test of optical fiber transmission system. After less than half a year of hard work, the whole system has been tested recently carry out. Test system is a length of 1km, the attenuation of 7dB optical cable instead of the original four 100m coaxial cable, the 796-type navigation radar with a computer terminal 616 terminal display connected to send 796 radar video signal , Trigger pulse, azimuth increment, positive north signal. Move the target clearly in the terminal display, computer access correctly, the transmission effect of not less than the original coaxial cable. Experiments show that optical fiber is a good medium for transmitting radar signals. Compared with coaxial cable, optical fiber not only has the advantages of large capacity and small loss, but also has strong anti-interference and anti-radiation ability and is of great significance to radar communication. In addition, the radar has many kinds of letters