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目前使用的泰罗斯-N气象卫星,同时发送可见光和红外两种云图。这两种云图的信号电平、层次补偿电流曲线、起始电流和反差各不相同,所以118机很难兼顾两种云图的接收。如果勉强兼顾,则两种图片都发灰。为了解决这个问题,我们吸取兄弟单位的经验,进行了多次实验,找到了一种花钱少、收效高、简易可行的方法。今介绍如下,供参考。
The current Tyrosh-N weather satellite uses both visible and infrared cloud images. The signal level, level compensation current curve, starting current and contrast of these two cloud images are different, so it is very difficult for the 118 machine to take into account the reception of both cloud images. If reluctantly, both pictures are gray. In order to solve this problem, we draw on the experience of our fraternal units and conducted many experiments to find a simple, cost-effective and effective method. Now introduced as follows, for reference.