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相关概念视频

Radical Chain-Growth Polymerization: Overview01:10

Radical Chain-Growth Polymerization: Overview

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Chain-growth or addition polymerization is successive addition reactions of monomers with a polymer chain. In radical chain-growth polymerization, the reaction proceeds via a free-radical intermediate. The free radical is formed from radical initiators, which spontaneously generate free radicals by homolytic fission. Organic peroxides (such as dibenzoyl peroxide, as shown in Figure 1) or azo compounds are popular radical initiators. A low concentration ratio of radical initiator to monomer is...
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基于索引参数更新的安全密钥生成加密方案.

Yaya Mao, Wenchao Xia, Bo Liu

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    本研究介绍了一种新的安全密钥生成和加密方案,使用索引参数更新和通过7维细胞神经网络 (7D-CNN) 的混乱加密. 该方法实现了高速,安全的光学数据传输,使用了巨大的钥匙空间.

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    A Photonic System for Generating Unconditional Polarization-Entangled Photons Based on Multiple Quantum Interference
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    科学领域:

    • 光学通信是指光学通信.
    • 信息安全 信息安全
    • 信号处理 信号处理

    背景情况:

    • 安全的密钥生成对于现代通信系统至关重要.
    • 现有的加密方法在速度和密钥空间方面面临挑战.
    • 光通信系统需要强有力的安全措施.

    研究的目的:

    • 为光通信提出一种新的安全密钥生成和加密方案.
    • 为了增强数据安全,使用混乱加密和大钥匙空间.
    • 为了实现高速和低延迟的加密数据传输.

    主要方法:

    • 一个基于相互合指数参数更新的安全密钥生成方案.
    • 使用7维细胞神经网络 (7D-CNN) 混乱系统对数据进行混乱加密.
    • 通过七核光纤传输加密信号.

    主要成果:

    • 成功展示了110.1Gb/s加密的16QAM信号传输在2公里长的7核光纤上.
    • 实现了10^1,680的巨大键空间,这是世界领先的水平.
    • 对接收器灵敏度的影响最小 (0.6dB成本).

    结论:

    • 拟议的方案提供了一个灵活,高速和安全的数字加密模式.
    • 它提供了低成本,高安全的光通信传输解决方案.
    • 该方案可与现有的光通信系统进行互操作.