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相关概念视频

Mesh Analysis for AC Circuits01:12

Mesh Analysis for AC Circuits

372
In the domain of radio communication, the significance of impedance matching must be considered. It is crucial to ensure the efficient transmission of signals between radio transmitters and receivers. Achieving this balance involves using impedance-matching circuits, with one fundamental configuration comprising a resistor, capacitor, and inductor.
The process of harmonizing these impedances begins with a clear understanding of the input and output signals. Once these signals are known, the...
372
Bewley Lattice Diagram01:12

Bewley Lattice Diagram

632
The Bewley lattice diagram, developed by L. V. Bewley, effectively organizes the reflections occurring during transmission-line transients. It visually represents how voltage waves propagate and reflect within a transmission line, making it easier to understand the complex interactions that occur.
632
Design Example01:23

Design Example

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The innovation of touch-tone telephony revolutionized the telecommunications industry by replacing the traditional rotary dial with a dual-tone multi-frequency (DTMF) signaling system. This system uses a matrix-style keypad with buttons arranged in four rows and three columns, creating 12 distinct signals each assigned to a pair of frequencies. Each button press results in a simultaneous generation of two sinusoidal tones – one from a low-frequency group (697 to 941 Hz) and one from a...
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Design and Characterization Methodology for Efficient Wide Range Tunable MEMS Filters
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在SRS中设计和实施C波段大功率平面巴特勒矩阵.

Jinfeng Li1, Liping Yan1, Changjun Liu1

  • 1The School of Electronics and Information, Sichuan University, Chengdu 610064, China.

Sensors (Basel, Switzerland)
|April 13, 2024
PubMed
概括

本研究介绍了用于卫星遥感 (SRS) 应用的高功率巴特勒矩阵束形网络. 新型设计实现了卓越的性能,包括高功率处理和宽带宽,这对SRS系统至关重要.

关键词:
这是一个管家矩阵.这是一个多重因素.的功率值值.短尾的头条 短尾的头条方形同轴直线的正方形同轴直线

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科学领域:

  • 电气工程 电气工程
  • 微波工程 微波工程
  • 卫星遥感 卫星遥感 卫星遥感

背景情况:

  • 卫星遥感 (SRS) 需要高功率的微波元件.
  • 管家矩阵对于在SRS中传输天线阵列至关重要.

研究的目的:

  • 设计,模拟和测试大功率平面束成形网络,用于C频段的SRS.
  • 开发一个4x4巴特勒矩阵,利用正方形同轴线和短端断片.

主要方法:

  • 一个4x4巴特勒矩阵的电气和机械设计.
  • 整合短端头条以增强带宽和结构支持.
  • 性能指标的模拟和实验验证.

主要成果:

  • 巴特勒矩阵有效地从3.8GHz到4.2GHz之间运行.
  • 实现的反射系数< -18 dB和隔离> 23 dB.
  • 已证明插入损失<0.6 dB,相位误差<±6°,峰值功率为9 kW.

结论:

  • 拟议的巴特勒矩阵束形网络符合SRS对高功率微波组件的要求.
  • 该设计展示了一致的模拟和测量结果,验证了其有效性.
  • 紧的尺寸 (440 × 400 × 40 mm3) 使其适用于实际的SRS应用.