علماء روس يبتكرون تشفيرا قائما على "رياضيات الفوضى" باتجاه "الزمن العكسي" لتأمين الاتصالات

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'https://bel.sputnik.by/', flag: 'flags-BLR', lang: 'Беларусь', lang2: 'Беларускi' } ] }, ];00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:0000:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00مدار الليل والنهارالبرنامج المسائي - إعادة03:29 GMT151 دلبنان والعالمالبرنامج الصباحي06:00 GMT123 دمن الملعبإثارة بالغة في دوري أبطال أوروبا.. وأفريقيا موقعة صعبة بين الزمالك وشباب بلوزداد08:30 GMT29 دعرب بوينت بودكاستمع استمرار احترار الأرض، العلماء يخلصون إلى نقاط تحول مناخية كارثية09:03 GMT10 دشؤون عسكريةهل ستكون إيران هي من تسجل الضربة الأولى مع اقتراب ساعة الصفر؟ يجيب خبير09:13 GMT29 دمرايا العلومموجات الجاذبية والثقوب السوداء الضئيلة والتغيرات المناخية وهجرات البشر الأوائل09:43 GMT10 دصدى الحياةالميراث وحقوق المرأة بين الشريعة والقوانين... كيف تتعامل الدول العربية مع هذه المسألة؟09:53 GMT7 دنبض افريقياانعقاد مؤتمر برلين حول السودان بدون الحكومة 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إنسانية، وتقارير مصورة عن حياة المجتمع.https://sarabic.ae/20260419/علماء-روس-يبتكرون-تشفيرا-قائما-على-رياضيات-الفوضى-باتجاه-الزمن-العكسي-لتأمين-الاتصالات--1112684882.htmlعلماء روس يبتكرون تشفيرا قائما على "رياضيات الفوضى" باتجاه "الزمن العكسي" لتأمين الاتصالات علماء روس يبتكرون تشفيرا قائما على "رياضيات الفوضى" باتجاه "الزمن العكسي" لتأمين الاتصالات سبوتنيك عربيطوّر مهندسون في جامعة سان بطرسبرغ الكهروتقنية الروسية "إل.إي.تي.أي" طريقة جديدة لتشفير البيانات تستخدم رياضيات الأنظمة الفوضوية لجعل الاتصالات أكثر أمانًا... 19.04.2026, سبوتنيك عربي2026-04-19T13:12+00002026-04-19T13:12+00002026-04-19T13:12+0000مجتمععلومالعالمشبكة اتصالاتروسياجامعاتالفوضىhttps://cdn.img.sarabic.ae/img/07e8/0a/1b/1094198068_0:284:2998:1970_1920x0_80_0_0_0332d0fc5771b6d075d4e44a766ee93c.jpgما هي الرياضيات الفوضوية ولماذا هي مفيدة؟ الأنظمة الفوضوية هي عمليات تتبع قواعد رياضية صارمة، لكنها تتصرف بطريقة عشوائية وغير متوقعة. قد يؤدي تغيير طفيف في نقطة البداية إلى نتائج مختلفة تمامًا لاحقًا، وهذا ما يجعل التنبؤات طويلة المدى، مثل التنبؤات الجوية التفصيلية، الصعبة للغاية. لهذا السبب، تبدو الإشارات الفوضوية كضوضاء عشوائية، على الرغم من أنها محددة بالكامل بمعادلات، هذا ما يجعلها جذابة للاتصالات الآمنة، فالمتنصت لا يرى سوى التشويش، بينما يستطيع المُستقبِل المُصرَّح له، الذي يعرف النموذج الصحيح والشروط الأولية، فك تشفير الرسالة.يكمن جوهر منهج فريق "إل.إي.تي.أي" في ظاهرة مزامنة الفوضى، حيث يتطور نظامان فوضويان أو أكثر، على الرغم من حساسيتهما الشديدة للظروف الأولية، بمسارات منسقة. في الأنظمة التقليدية، يتطور هذا التنسيق بشكل مباشر مع الزمن، ما يجعل عملية التزامن مُرهقة حسابيًا وبطيئة، حسب ماورد في بوابة "روسيا العلمية". تجاوز العقبة التقليدية لتزامن الفوضى تتطلب المعالجات الرياضية التقليدية للأنظمة الفوضوية أجزاءً طويلة ومتصلة من الإشارة من النظام القائد لتحقيق تزامن مستقر مع النظام التابع. هذا يحدُّ من الأداء في الوقت الفعلي ويُعقّد النشر في الروابط الحساسة للتأخير. وأدرك الفريق أنَه يكفِي وجود مقاطع قصيرة ومعكوسة زمنيًا من مسار النظام للحصول على مزامنة قوية، ما يقلل بشكل كبير من حجم النافذة الزمنية للبيانات المطلوبة للتحوّل إلى حالة الإطباق.تطبيقات في الاتصالات الآمنة وما بعدها في سيناريوهات الاتصالات، يقوم النظام الفوضوي الرئيسي بتشفير المعلومات ونقلها، بينما يقوم النظام التابع، الذي يعمل كمستقبل، بعكس إجراء التزامن لاستعادة الإشارة، ولأن الإشارات الفوضوية الأساسية غير دورية وشبيهة بالضوضاء، فإنها تُقاوم الكشف والاعتراض بطبيعتها، ما يُعزز الأمان دون الاعتماد فقط على أساسيات التشفير التقليدية. ويُسلط الفريق الضوء على العديد من مجالات التطبيق المحتملة: بنية نموذج مفتوح وتوجهات مستقبلية بما أن هذا النهج مبني على نماذج رياضية صريحة بدلًا من أجهزة مغلقة المصدر، يؤكد فريق "إل.إي.تي.أي" أن أي ممارس يمكنه تبني الخوارزمية في تطبيقاته الخاصة. وتضع النتائج، المنشورة في المجلة الدولية "الفوضى، الموجات المنعزلة والأشكال الكسورية"، مجموعة "إل.إي.تي.أي" في طليعة التشفير التطبيقي القائم على الفوضى، ومع تزايد الضغوط التي تواجهها أنظمة التشفير التقليدية، قد تصبح الحلول المستقلة والمستوحاة من الفيزياء، مثل مزامنة الفوضى القابلة للعكس زمنيًا، لبنة أساسية حاسمة لجيل الاتصالات الآمنة القادم.روسيا تعمل على تطوير شبكة ليزر كمومية تحل مشكلة الاتصالات في المناطق النائيةhttps://sarabic.ae/20260418/بتقنيات-حماية-متقدمة-روسيا-تطور-نظاما-للاتصال-اللاسلكي-والخدمات-الرقمية-للطيران-المدني-1112667310.htmlhttps://sarabic.ae/20260418/علماء-روس-يطورون-نموذجا-دقيقا-للتنبؤ-بالطقس-الفضائي-وتأثيره-على-الأقمار-الصناعية-1112664110.htmlhttps://sarabic.ae/20260413/علماء-روس-يبتكرون-تقنية-قد-تغير-طريقة-التعامل-مع-النفايات-النووية-عالميا-1112533083.htmlسبوتنيك عربي feedback.arabic@sputniknews.com+74956456601MIA „Rossiya Segodnya“ 252602026سبوتنيك عربي feedback.arabic@sputniknews.com+74956456601MIA „Rossiya Segodnya“ 25260الأخبارar_EGسبوتنيك عربي feedback.arabic@sputniknews.com+74956456601MIA „Rossiya Segodnya“ 2526019201080true19201440truehttps://cdn.img.sarabic.ae/img/07e8/0a/1b/1094198068_371:0:2998:1970_1920x0_80_0_0_0b3108995bdfcd466711f65715660eed.jpg19201920trueسبوتنيك عربي feedback.arabic@sputniknews.com+74956456601MIA „Rossiya Segodnya“ 25260سبوتنيك عربيعلوم, العالم, شبكة اتصالات, روسيا, جامعات, الفوضىعلوم, العالم, شبكة اتصالات, روسيا, جامعات, الفوضىعلماء روس يبتكرون تشفيرا قائما على "رياضيات الفوضى" باتجاه "الزمن العكسي" لتأمين الاتصالات 13:12 GMT 19.04.2026 تجاوز العقبة التقليدية لتزامن الفوضى تطبيقات في الاتصالات الآمنة وما بعدها بنية نموذج مفتوح وتوجهات مستقبلية © AP Photoمحطة اتصال أرضي بالأقمار الصناعية { "@context": "http://schema.org", "@type": "ImageObject", "url": "https://cdn.img.sarabic.ae/img/07e8/0a/1b/1094198068_0:284:2998:1970_640x0_80_0_0_4208bc49daebebfe38dc3c42d120a032.jpg", "thumbnail": [ { "@type": "ImageObject", "url": "https://cdn.img.sarabic.ae/img/07e8/0a/1b/1094198068_0:284:2998:1970_640x0_80_0_0_4208bc49daebebfe38dc3c42d120a032.jpg", "image": "https://cdn.img.sarabic.ae/img/07e8/0a/1b/1094198068_0:284:2998:1970_640x0_80_0_0_4208bc49daebebfe38dc3c42d120a032.jpg" }, { "@type": "ImageObject", "url": "https://cdn.img.sarabic.ae/img/07e8/0a/1b/1094198068_371:0:2998:1970_640x0_80_0_0_cd4c17f88e30f836f39a925d3f05eaae.jpg", "image": 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"https://cdn.img.sarabic.ae/img/07e8/0a/1b/1094198068_0:284:2998:1970_1920x0_80_0_0_0332d0fc5771b6d075d4e44a766ee93c.jpg" }, { "@type": "ImageObject", "url": "https://cdn.img.sarabic.ae/img/07e8/0a/1b/1094198068_371:0:2998:1970_1920x0_80_0_0_0b3108995bdfcd466711f65715660eed.jpg", "image": "https://cdn.img.sarabic.ae/img/07e8/0a/1b/1094198068_371:0:2998:1970_1920x0_80_0_0_0b3108995bdfcd466711f65715660eed.jpg" }, { "@type": "ImageObject", "url": "https://cdn.img.sarabic.ae/img/07e8/0a/1b/1094198068_1028:0:2998:1970_1920x0_80_0_0_2ae82406122dce804109400e7fd11aa4.jpg", "image": "https://cdn.img.sarabic.ae/img/07e8/0a/1b/1094198068_1028:0:2998:1970_1920x0_80_0_0_2ae82406122dce804109400e7fd11aa4.jpg" } ], "width": 1920, "height": 1080 } © AP Photoتابعنا عبرطوّر مهندسون في جامعة سان بطرسبرغ الكهروتقنية الروسية "إل.إي.تي.أي" طريقة جديدة لتشفير البيانات تستخدم رياضيات الأنظمة الفوضوية لجعل الاتصالات أكثر أمانًا وكفاءة. تعتمد هذه التقنية على حيلة ذكية تُسمى "التزامن القابل للعكس زمنيًا"، والتي تُمكّن نظامين فوضويين من مطابقة سلوكهما بسرعة أكبر بكثير من الطرق التقليدية.ما هي الرياضيات الفوضوية ولماذا هي مفيدة؟ الأنظمة الفوضوية هي عمليات تتبع قواعد رياضية صارمة، لكنها تتصرف بطريقة عشوائية وغير متوقعة. قد يؤدي تغيير طفيف في نقطة البداية إلى نتائج مختلفة تمامًا لاحقًا، وهذا ما يجعل التنبؤات طويلة المدى، مثل التنبؤات الجوية التفصيلية، الصعبة للغاية. لهذا السبب، تبدو الإشارات الفوضوية كضوضاء عشوائية، على الرغم من أنها محددة بالكامل بمعادلات، هذا ما يجعلها جذابة للاتصالات الآمنة، فالمتنصت لا يرى سوى التشويش، بينما يستطيع المُستقبِل المُصرَّح له، الذي يعرف النموذج الصحيح والشروط الأولية، فك تشفير الرسالة.يكمن جوهر منهج فريق "إل.إي.تي.أي" في ظاهرة مزامنة الفوضى، حيث يتطور نظامان فوضويان أو أكثر، على الرغم من حساسيتهما الشديدة للظروف الأولية، بمسارات منسقة. في الأنظمة التقليدية، يتطور هذا التنسيق بشكل مباشر مع الزمن، ما يجعل عملية التزامن مُرهقة حسابيًا وبطيئة، حسب ماورد في بوابة "روسيا العلمية". ويُحدد نهج فريق "إل.إي.تي.أي" الجديد أجزاءً قصيرة جدًا من مسار النظام القائد، حيث يمكن عكس معادلات التزامن الرياضية، إذ يُعاد الجزء المُسجل من النظام القائد إلى الوراء، وتُطبق معادلات النظام التابع عكسيًا مع الزمن أيضًا. هذه الحلقة "المباشرة - العكسية"، التي تتكرر بسرعة على المعالجات الحديثة، تدفع الأنظمة إلى محاذاة شبه مثالية من وجهة نظر المُرسِل، بينما تبدو فورية تقريبًا للمستخدم.