طراحی و شبیه سازی اتصال چرخان موجبری بر مبنای فناوری موجبر شکافی برای کاربردهای باند 60 گیگاهرتز

نوع مقاله : مقاله پژوهشی

نویسندگان

1 دانشجوی کارشناسی ارشد، دانشکده برق و کامپیوتر، دانشگاه کاشان، کاشان، ایران

2 استادیار، گروه مخابرات، دانشکده مهندسی برق، دانشگاه کاشان، کاشان، ایران

چکیده

این مقاله به طراحی و شبیه‌سازی یک اتصال چرخان موجبری با استفاده از فناوری موجبر شکافی برای کاربردهای موج میلی‌متری می‌پردازد. ساختار اتصال چرخان از دو مبدل مود TE10 به TM01 و یک قسمت چرخان بین دو موجبر دایروی تشکیل می‌شود. در موجبر دایروی، از مود TM01 که دارای تقارن چرخشی است استفاده شده است. مهم‌ترین مزیت استفاده از این تکنولوژی قابلیت آن برای کاهش پیچیدگی و هزینه ساخت به خصوص در فرکانس‌های موج میلی‌متری است؛ زیرا نیازی به اتصال بین قسمت‌های مختلف ساختار اتصال چرخان نیست. نتایج شبیه‌سازی نشان می‌دهد که در زوایای چرخش مختلف در محدوده فرکانسی GHz 5/58 تا GHz 61، تلفات جایگذاری و بازگشتی بهتر از dB 4/0 و dB 10 می‌باشد.

کلیدواژه‌ها

عنوان مقاله [English]

Design and Simulation of Waveguide Rotary Joint Based on Gap Waveguide Technology for 60 GHz Applications

نویسندگان [English]

  • Marzieh Nasri 1
  • Davoud Zarifi 2
1 Master student, Faculty of Electrical and Computer Engineering, Kashan University, Kashan, Iran
2 Assistant Professor, Department of Telecommunications, Faculty of Electrical Engineering, Kashan University, Kashan, Iran
چکیده [English]

This paper deals with the design and simulation of a waveguide rotary joint using gap waveguide technology for millimeter wave applications. It contains two TE10 to TM01 mode converters and rotary junction between two circular waveguides. The mode used along the circular waveguide for rotational symmetry purpose is TM01.The most important advantage of using gap waveguide technology is its ability to decrease complexity and cost of fabrication especially in millimeter wave frequencies because there is no requirement of contact between the different parts of the rotary joint structure. The Simulation results show that at different rotation angles the insertion and return loss are better than 0.4 dB and 10 dB over 58.5 GHz to 61 GH frequency band.

کلیدواژه‌ها [English]

  • Waveguide Rotary Joint
  • Gap Waveguide Technology
  • 60 GHz Band

مراجع

 
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سابقه مقاله

  • تاریخ دریافت: 21 دی 1399
  • تاریخ بازنگری: 03 اسفند 1399
  • تاریخ پذیرش: 04 اسفند 1399

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