| 新型定向耦合器在DIFM中的应用 |
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| 引用本文： | 朱畅,冯起,袁乃昌. 新型定向耦合器在DIFM中的应用[J]. 现代雷达, 2006, 28(2): 60-63 |
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| 作者姓名： | 朱畅 冯起 袁乃昌 |
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| 作者单位： | 国防科技大学电子科学与工程学院,长沙,410073 |
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| 摘 要： | 介绍了一种新型微带定向耦合器的原理和设计方法，给出了采用这种新型定向耦合器的微波鉴相器设计。并得到其误差性能的测试方法和测试结果。最后。介绍了一种基于这种微波鉴相器的瞬时测频接收机，并给出了用于温度补偿和误差校正的自动快速测试方法。
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| 关 键 词： | 定向耦合器 瞬时测频 微波鉴相器 |
| 收稿时间： | 2005-07-26 |
| 修稿时间： | 2006-01-30 |
A Novel Directional Coupler and Its Application to DIFM Receiver |
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| ZHU Chang,FENG Qi,YUAN Nai-chang. A Novel Directional Coupler and Its Application to DIFM Receiver[J]. Modern Radar, 2006, 28(2): 60-63 |
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| Authors: | ZHU Chang FENG Qi YUAN Nai-chang |
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| Affiliation: | College of Electronic Science and Engineering, NUDT, Changsha 410073, China |
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| Abstract: | The principle and design of a novel microstrip directional coupler are presented.The error performance of the microwave phase discriminator(MPD) based on the directional coupler is also investigated.DIFM receiver based on the MPD is introduced.In addition,an automatic fast measurement method used for temperature compensation and error correction is presented. |
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| Keywords: | directional coupler IFM microwave phase discriminator |
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