搜索 - 科创

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1，美国火箭协会（NAR）的业余火箭分为模型火箭和高功率火箭，两类都使用经过认证的商品发动机。科创论坛爱好者的业余火箭主要使用自制发动机。为了保证自制发动机的安全性，需要经过论坛的同行评议过程。即按照...

近期事情太多，没顾得过来。郎总倒是已经把程序调好了，我初步看了看，有如下不成熟的结论：1、用它做频谱功能，低频（15GHz以下）噪底在-80dBm@10kHzRBW。归一化后为-120dBm/Hz。果...

引用虎哥:终末面喉比基本在正常范围内（视壳体耐压，可能略偏高），如果是圆柱孔，则初始面喉比就比较小，建议柱翼型孔。同样是APCP，燃料配方、工艺、粒度配级等对特性均有影响，性能是不同的，需要的面喉比...

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