微波功率限制器的等离子放电集成槽结构
Jeong Min Woo1, Mun No Ju2, Jae-Bok Lee2
1Electrical Environment Research Center, Korea Electrotechnology Research Institute (KERI), 12, Bulmosan-Ro 10 Beon-Gil, Changwon, 51543, South Korea. woojm@keri.re.kr.
Scientific reports
|June 22, 2023
概括
本研究介绍了一种使用槽结构的新型等离子限制器,以保护无线电检测和射程系统免受高功率微波的影响. 该设备通过产生等离子体来有效地阻止有害信号,确保接收器的安全.
科学领域:
- 电磁学和微波工程 电磁学和微波工程
- 等离子体物理学的物理学
- 应用物理 应用物理
背景情况:
- 高功率微波对敏感的电子系统构成威胁,特别是无线电探测和测距 (RADAR) 系统中的接收器.
- 现有的保护方法可能在插入损失或阻塞效率方面存在局限性.
研究的目的:
- 开发和演示一种新型的等离子限制器,能够减轻发生的高功率微波.
- 优化设计,以在操作频率下实现低插入损失和高阻塞效率,以抵御强烈的微波信号.
主要方法:
- 集成一个槽结构与放电电极,以促进等离子体的产生.
- 使用双阶段槽结构来实现宽带通路特性.
- 优化气压力和电极间隙距离,以实现高效的等离子放电.
主要成果:
- 对于低功率信号,等离子极限器在9.45GHz的目标频率上显示出1.01dB的低插入损失.
- 在高功率微波输入时,发生了气分解,导致接近零的信号传输.
- 实现了40.55dB的阻塞效率,有效地反射了大部分高功率信号.
结论:
- 拟议的基于槽结构的等离子限制器有效抑制高功率微波.
- 该设备为保护雷达接收器免受潜在有害的微波辐射提供了一个有希望的解决方案.
- 该设计显示了集成到需要强大的保护的各种微波系统的潜力.
相关概念视频
Clipper Circuit
494
A clipper circuit is a fundamental wave-shaping device that harnesses the unique properties of diodes to alter and control waveform characteristics. This technology is widely used in electronic devices, especially in television and radar communication systems, where it enhances waveform modulation in both transmitters and receivers.
The operation of a clipper circuit can be exemplified by analyzing a dual-clipper configuration setup that integrates two ideal diodes, each paired with a biasing...
The operation of a clipper circuit can be exemplified by analyzing a dual-clipper configuration setup that integrates two ideal diodes, each paired with a biasing...
494
Schottky Barrier Diode
403
Schottky barrier diodes are specialized semiconductor devices characterized by their unique construction. This construction involves combining a metal layer with a moderately doped n-type semiconductor material. This combination leads to the formation of a Schottky barrier, a pivotal element that defines the diode's operational characteristics. The core functionality of Schottky barrier diodes is their capacity to allow current to flow in only one direction due to their distinctive...
403
Clamper Circuit
494
A clamper circuit, also known as a DC restorer, represents a specialized variant of the rectifier circuit, notable for its method of taking the output across the diode rather than the capacitor. This configuration lends to several distinctive applications, particularly in handling square wave inputs.
Within this circuit, the diode's orientation prompts the capacitor to charge up to the level of the most negative peak of the input signal. Upon reaching this state, the diode ceases to...
Within this circuit, the diode's orientation prompts the capacitor to charge up to the level of the most negative peak of the input signal. Upon reaching this state, the diode ceases to...
494


