第一千三百七十七章 GPS卫星制导技术
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呵呵，江晨笑着摇了摇头道：“我们是发射了两颗导航卫星，不过呢也仅仅是处于初期测试阶段，在技术上面还不够成熟。另外那这只不过是两颗卫星，其所提供服务的窗口和定位精度还无法满足进一步的运用，只能是作为实验平台，进行相关的技术摸索。而像这一套GPS卫星定位系统，是由二十四颗甚至更多的在轨导航卫星所组成的全球导航网络。所以在这方面，我们的差距还很大。所以我们这次采用GPS卫星制导技术就是想验证一下这方面技术的可行性和相关的实验参数，为我们后续的进一步实验做准备。”
嗯，众人听完都点了点头。而这个时候电台里传来了鸿雁一号的声音：“黄沙，黄沙，这里是鸿雁一号。”
“这里是黄沙，鸿雁一号请讲。”
“我即将到达目标区域上空，请求批准攻击！”
常青看向江晨，在江晨的点头下，常青回道：“鸿雁一号，我是黄沙，批准按照预定方案进行攻击。”
“鸿雁一号收到，按照预定方案展开攻击！”
“来了！”有人喊道，随即众人连忙拿起望远镜开始观测。只见在远处天边，一架安12运输机向靶场飞来。随着时间的推进，飞机越来越近，突然，在快到达目标上空的时候，从运输机的机翼挂架上面投下来了几枚炸弹，然后向地面迅速坠落。
轰！轰！轰!在过了七八秒后，有阵阵爆炸声传来，并随即升起了一阵烟尘。因为烟尘的遮挡，所以江晨他们暂时还看到不到攻击结果。可是正在上空进行盘旋的鸿雁一号却传来了佳讯：
“黄沙，黄沙，这里是鸿雁一号，现在汇报战况。激光照射制导炸弹两枚，电视制导炸弹两枚，已经全部命中目标，毁伤效果良好。”
“耶、、、”众人纷纷鼓掌欢呼了起来。
“这里是黄沙，鸿雁一号，继续进行攻击！”常青忍住兴奋的心情随即继续命令道。
“鸿雁一号收到，继续攻击！”
接着鸿雁一号有进行了几次投弹，将红外制导炸弹和GPS制导炸弹都投了下去，不过效果呢并没有之前两款要好。首先呢就是红外制导，说白了它就是寻找热源进行攻击。但可能是天气原因，也可能是炸弹本身的故障，所以这次两枚采用红外制导技术的炸弹并没有命中预定目标。而另外呢就是GPS制导炸弹，这次采用这种GPS制导技术的两枚炸弹也偏离目标很远，大概都在目标外二十多米的地方爆炸。由此可见，这一时期的民用信号的精度还是非常有限的，远远比不上军用信号的精度。不过也由此看来这一时期是GPS技术相比于后世还有很长的路要走，而这恰好给了江晨信心。因为虽然在这方面，相比较与人家，他们还差很远。但是呢在江晨看来，这种差距也不是那么遥不可及。只要努力的话，那么至少现在版的北斗卫星导航系统在不久的未来，是绝不会比GPS差的。
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