设计了机油冷却器传热性能测试系统的硬件部分，编写了流量数据的采集和通信程序。
Secondly, it designs the hardware of the oil cooler heat transfer test system and compiles the programs of the flow data collection and communication.
但是它们都非常的昂贵，不能普及，本文针对此，设计了电力线载波通信网络的网络性能虚拟测试仪。
But they are very expensive and can't be popularized. So because of it, I design a performance test virtual system of power line carrier communication network.
测试低轨卫星移动通信信道模拟器的硬件性能。
Test the specification of the LEO satellite communication channel simulator.
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