搜索 - 科创

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引用 rudolf:不知道那些故意搅混水的人是什么意思，我都强调了多少遍了，一直说类似50UD这种管子用在小DR上，而不是大型的DR也用管子，明白了吗？非要以偏概全扯些不相关的，简直是莫名其妙。不用...

引用 refinder:我感觉使用二次变频并不能解决feedthrough的问题吧？二次变频只是减小滤波器尺寸啊，feedthrough出来的差频信号频率很低，高通滤波就能滤掉了。突然发现我写得有歧义...

引用 warmonkey:飞控计算机要能抗辐射，故要使用FPGA+宇航级RAM。操作系统必须选用已经通过可靠性检验的，常见的有uc/os-ii,vxworks,RTEMSwifi不稳定而且不适合高速移...

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