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Updated: Jan 16, 2026

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一种用于无线应用的机械调节的多带时钟天线的新型设计和制造

Ashraf S Abdel Halim1, Omnia Hamdy2

  • 1Department of Communication, Faculty of Engineering, Canadian International College (CIC), Cairo, Egypt. Ashraf_Sayed@cic-cairo.edu.eg.

Scientific reports
|September 25, 2025
PubMed
概括

这项研究介绍了一种用于宽带无线应用的新型可调节时钟天线. 通过调整手表的指针,用户可以实现多频段操作,实现各种通信技术.

关键词:
多频带天线天线补丁天线 补丁天线可调节的天线天线.无线通信无线通信是无线的.

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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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