搜索 - 科创

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2026年7月24日，在哈尔滨工业大学、北京邮电大学、亚太空间合作组织、中国无线电协会业余无线电分会等单位的组织下，2026年国际空间通信挑战赛在哈尔滨圆满结束。

为了降低版图复杂度，提高电磁兼容性能，KC903在音频部分采用了11支机械电位器取代预处理级电子电位器，为参数控制级电子电位器提供适当的音频电平，确保后者的控制区间正好用尽。在仪器的音频电路校准中，在...

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