在机房内之GCE 设备接收方有岔路器(Devider)及向下变换器 (Down Converter)，把每一路由导波管送下来的4 GHz 之微波讯号降变 为70MHz 之中频，又经中频放大器及相位等化器，再到基频解调器 (Baseband Demo...
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低噪声放大器和下变换器内置于连接到馈电的一个设备。
A combination Low Noise Amplifier and down converter built into one device attached to the feed.
最后对串并联谐振变换器进行了仿真和试验，结果表明实现了软开关条件下变换器输出的连续可调节。
The feasibility of continuous-adjustable output converter based on soft-switching has been analyzed by AC analytical method and EDF technique and proved by simulation and experimental results at last.
在基于中频采样技术的数字中频接收机中，怎样在AD变换器位数受限的情况下实现较大的系统瞬时动态范围是系统设计中的一个重要问题。
In digital IF receiver based on IF sampling technology, one important issue of system design is how to realize wide instantaneous dynamic range, when the available digits of AD converter is limited.
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