A New Disscussion on Heterodyning Microwave Frequency Directly to Low Frequency

Lo Wei-da; Li Gui-juan; Shen Ling-juan

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A New Disscussion on Heterodyning Microwave Frequency Directly to Low Frequency

更新时间：2025-12-08

- A New Disscussion on Heterodyning Microwave Frequency Directly to Low Frequency
- Acta Electronica Sinica Issue 3, Pages: 90-92(1982)
- 作者机构：
  
  上海市计量技术研究所
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：1982
- 稿件说明：
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[1]乐伟达,黎桂娟,沈玲娟.微波直接外差到低频的新探讨[J].电子学报,1982(03):90-92.

Lo Wei-da, Li Gui-juan, Shen Ling-juan. A New Disscussion on Heterodyning Microwave Frequency Directly to Low Frequency[J]. Acta Electronica Sinica, 1982, (3): 90-92.
[1]乐伟达,黎桂娟,沈玲娟.微波直接外差到低频的新探讨[J].电子学报,1982(03):90-92. DOI：

Lo Wei-da, Li Gui-juan, Shen Ling-juan. A New Disscussion on Heterodyning Microwave Frequency Directly to Low Frequency[J]. Acta Electronica Sinica, 1982, (3): 90-92. DOI：

摘要

作者在正确地分析了将频率变换到较低频率时所遇到的困难后

采用了合理的锁相稳频方式

通过精细的调整

成功地把五公分频段微波信号仅经一次外差直接变频到0.01Hz。观察从微波混频器上取得的低频信号

波形清晰、稳定。频域和时域测试分析表明

该低频信号是较理想的。

Abstract

After having accurately analyzed the difficulties during the frequency conversion

we introduced a reasonable phase-locked frequency stabilization mode and carried out a careful adjustment. Thus

a microwave signal at 5cm band was successfully heterodyned directly to 0.01Hz by means of a "long step" frequency conversion technique. It was observed from the low frequency signal on the microwave mixer that the wave form was clear and stable. Having been tested and analyzed with the frequency and time domain methods

the low frequency signal proved to be ideal.

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