Therefore , the subject is to study the design theory and engineering realization of the low phase-noise phase locked source in microwave band.
在这样的背景下，本课题对低相位噪声微波锁相源的设计理论和工程实践进行了研究。
Through debugging the hardware circuit of the Phase Locked Loop and writing the Single-Chip Processor program, a good performance frequency source is realized.
通过对锁相环硬件电路的调试和编写相关单片机控制程序，实现了一个性能较好的频率源。
From chapter three to chapter five, the three key components of the system: millimeter-wave phase locked sources, multiple frequency local source, low noise amplifier are designed and tested.
第三章至第五章分别介绍了毫米波锁相源、二倍频本振源和低噪声放大器三个系统关键的单元电路的设计过程和测试结果。
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