搜索 - 科创

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三、由轨道参数计算关机点参数中学物理就讲过，卫星的轨道形状是一个椭圆。地球在椭圆的一个焦点上，而椭圆的参数包括半长轴a、偏心率e。在研究轨道问题时，常常在极坐标系下进...

很熟悉的IC，和当年MOTO大砖头BP机顾问型（精英一代）的字库IC封装基本一样。MOTO的BP机，IC是绝对很少坏掉的，当年更换此IC，我的实际施工方案：1、首先用松香+0.6mm焊锡丝，白光936...

本帖最后由 justinpiggy 于 2014-3-24 14:44 编辑理论上应该是一样的，但是你自己连接，时钟连线长度不一样，质量也可能不一样，各种相移和抖动，同步采样ADC将多个ADC或者...

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