ساختاری با پیچیدگی کم برای تشخیص جهت ورود سیگنال های همدوس منابع نامشخص در زوایای کناری آنتن

سال انتشار: 1395
نوع سند: مقاله ژورنالی
زبان: فارسی
مشاهده: 378

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شناسه ملی سند علمی:

JR_RADAR-4-1_002

تاریخ نمایه سازی: 1 مهر 1398

چکیده مقاله:

در تخمین جهت ورود سیگنال های همدوس، شیروانی مقدم و کشاورزنسب روشی مبتنی بر آرایه خطی یکنواخت پیشنهاد دادند که ابتدا تعداد منابع ناهمدوس را تعیین کرده و سپس جهت ورود سیگنال های همدوس را تخمین میزند. زمانی که سیگنال ها در زوایای کناری آنتن دریافت می شوند، آرایه خطی یکنواخت در تشخیص منابع کارایی مناسبی ندارد. هدف اصلی این مقاله، ارائه روشی جدید با استفاده از الگوریتم JADE-MUSIC مبتنی بر مقدار آستانه است که شامل دو قسمت است. شبیه سازی ها نشان می دهند که این روش جدید، در تخمین جهت ورود سیگنال های باند باریک نسبت به آرایه های خطی یکنواخت و صلیبی کارایی بالاتری دارد ضمنا بار محاسباتی کمتری نسبت به این ساختارها داراست.

نویسندگان

اکبر کشاورز نسب

تربیت دبیر شهید رجائی

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