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Updated: Jul 9, 2025

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为电子收费系统设计一个带平顶光束的圆极化天线阵列

Tianfan Xu1, Mengchi Xu1, Xiao Cai1

  • 1Research Center of Applied Electromagnetics, Nanjing University of Information Science and Technology, Nanjing 210044, China.

Sensors (Basel, Switzerland)
|December 9, 2023
PubMed
概括

一个新的循环极化部门光束天线阵列通过减少光束切换期间的信号中断来改进电子收费系统 (ETC). 这种天线设计确保了稳定的信号强度,以确保不间断的,不间断的收费.

关键词:
电子收费系统是收费的电子收费系统.一个平顶光束.这是最大功率传输效率的方法.

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Design Example01:23

Design Example

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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Electric Field of Parallel Conducting Plates01:16

Electric Field of Parallel Conducting Plates

Gauss' law relates the electric flux through a closed surface to the net charge enclosed by that surface. Gauss's law can be applied to find the electric field and the charge enclosed in a region depending on its charge distribution.
Consider a cross-section of a thin, infinite conducting plate having a positive charge. For such a large thin plate, as the thickness of the plate tends to zero, the positive charges lie on the plate's two large faces. Without an external electric...
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