j8typz 发表于 2024-8-23 06:48:36

无人机综合防御管控系统


    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><strong style="color: blue;"><span style="color: black;"><span style="color: black;">1、</span>市场背景</span></strong></span></p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">近年来随着民用无人机<span style="color: black;">尤其</span>是消费级无人机应用的<span style="color: black;">持续</span><span style="color: black;">增加</span>,各类“黑飞”事件层出不穷,无人机带来的不可控<span style="color: black;">危害</span><span style="color: black;">亦</span><span style="color: black;">持续</span><span style="color: black;">增多</span>,不仅严重<span style="color: black;">害处</span>到国家的低空安防,还给社会治安和个人隐私<span style="color: black;">守护</span>带来很大隐患。<span style="color: black;">因此呢</span>,国内外对无人机“黑飞”的<span style="color: black;">管理</span><span style="color: black;">需求</span>越来越严格,监狱看守、航空机场、火(核)电厂、体育场馆、政府机关、军事禁区以及<span style="color: black;">有些</span>大型活动现场区域<span style="color: black;">针对</span>无人机探测与反制的<span style="color: black;">需要</span><span style="color: black;">亦</span>越来越<span style="color: black;">剧烈</span>。</span></span></p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><strong style="color: blue;"><span style="color: black;"><span style="color: black;">2、</span>系统简介</span></strong></span></p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">历正科技无人机防御反制系统采用认知无线电协议解析(Cognitive Radio Protocol Cracking ,CRPC)技术,并且结合无线信号<span style="color: black;">设备</span>学习(RFML)与TDOA时间差技术一体融合运用,<span style="color: black;">处理</span>国内外民用无人机的侦测、识别、定位、防御、管控的低空安防系统。系统实现对<span style="color: black;">守护</span>区的无人机进行无源检测、区分敌我、<span style="color: black;">精细</span>定位或大功率干扰等功能,<span style="color: black;">明显</span>全链条监管、彰显<span style="color: black;">精细</span>化防控。</span></span></p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><strong style="color: blue;"><span style="color: black;"><span style="color: black;">3、</span>核心技术</span></strong></span></p>
    <div style="color: black; text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/tos-cn-i-6w9my0ksvp/26df526ede43403298f723054f2f9117~noop.image?_iz=58558&amp;from=article.pc_detail&amp;lk3s=953192f4&amp;x-expires=1724916600&amp;x-signature=Sn9gx%2BGquAQFTUbkw%2FAjlFaxlws%3D" style="width: 50%; margin-bottom: 20px;"></div>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;"><span style="color: black;">(一)CRPC技术</span></span></span></p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">CRPC(Cognitive Radio Protocol Cracking)即:认知无线电协议逆向解析技术,由北京历正科技自主<span style="color: black;">开发</span>,并首创应用于低空无人机的探测和防御。它是利用无线电频谱感知技术(类似于互联网杀毒软件对病毒的特征提取),在背景噪声中提取出无人机通信信号(<span style="color: black;">重点</span>是遥控及图传信号)并对其进行深入的逆向解析。</span></span></p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><strong style="color: blue;"><span style="color: black;">技术特点</span></strong></span></p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;"><span style="color: black;">经过</span>对无人机通讯协议进行离线分析并提取特征(电子指纹ID),<span style="color: black;">包含</span>但不限于信道分布、调制<span style="color: black;">方法</span>、编码<span style="color: black;">方法</span>、导频序列、同步序列、链路层结构等。基于以上分析结果,形成无人机检测数据库,并在<span style="color: black;">实质</span>无线电环境中实时检测匹配,<span style="color: black;">最后</span>将特征应用于无人机的实时检测(特征快速匹配识别)和<span style="color: black;">精细</span>打击(区分<span style="color: black;">区别</span>无人机进行打击)。</span></span></p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">检测灵敏度、信噪比和准确性等指标都远优于传统频谱能量感知的方式;</span></span></p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">解调<span style="color: black;">理学</span>层、链路层信息,提取无人机的<span style="color: black;">独一</span>标识信息(电子指纹,即软件界面<span style="color: black;">表示</span>的无人机ID号),用于<span style="color: black;">精细</span>识别无人机,从而实现同频区分、黑白名单等功能;</span></span></p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">寻找帧结构中的薄弱部分,如用于信道估计的导频信号,用于帧同步的同步参考信号等,<span style="color: black;">经过</span>干扰这些参考信号,<span style="color: black;">得到</span><span style="color: black;">精细</span>和<span style="color: black;">有效</span>的干扰效果;</span></span></p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">高精度同步帧结构,获取信号帧时间戳、相位和相干功率,用于定向和定位系统;</span></span></p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;"><span style="color: black;">针对</span>某些通信协议,<span style="color: black;">能够</span>同步发射伪造<span style="color: black;">理学</span>层帧结构,误导<span style="color: black;">目的</span>无人机(即实现无人机接管)。</span></span></p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;"><span style="color: black;">(二)RFML技术</span></span></span></p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">RFML(Radio Frequency Machine Learning),即:无线信号<span style="color: black;">设备</span>学习技术,则是<span style="color: black;">经过</span>神经网络来广泛提取信号特征,以达到识别无人机信号、ID等功能。在低空飞行器的识别和防御上,其神经网络不依赖于发射信号的特殊设计,能够提取并加以利用的信号特征范围更远,且学习训练时间更短,可快速识别<span style="color: black;">区别</span>类型的低空飞行器,以实现未知无人机的信号学习和机型库的快速扩充完善。</span></span></p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><strong style="color: blue;"><span style="color: black;">技术特点</span></strong></span></p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">快速支持未知无人机:<span style="color: black;">针对</span>DIY、穿越机等新型无人机的支持,只需要获取<span style="color: black;">必定</span>量的无人机信号,之后<span style="color: black;">经过</span>对神经网络的训练,便<span style="color: black;">能够</span>达到对该新型无人机的支持。神经网络的训练时间与传统的人工提取信号特征相比,<span style="color: black;">拥有</span>时间短,人工参与少等<span style="color: black;">明显</span><span style="color: black;">优良</span>。</span></span></p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">无线电应用范围更广:传统的无人机检测技术大多依赖于发射信号的特殊设计,而难以利用信号的其他的独有特征(<span style="color: black;">例如</span>说 CFO)。然而,这些特征是<span style="color: black;">能够</span>被RFML利用神经网络来提取而加以利用的。换言之,RFML<span style="color: black;">能够</span>利用的信号特征的范围是远大于传统的技术,<span style="color: black;">因此呢</span>,RFML<span style="color: black;">能够</span>被应用的范围会远超过传统的技术。</span></span></p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;"><span style="color: black;">(三)TDOA+技术</span></span></span></p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">无论TDOA还是AOA技术,都需要高精度精探测器做为<span style="color: black;">基本</span>,否则定位技术就会失去<span style="color: black;">道理</span>。<span style="color: black;">因此呢</span>,TDOA/AOA技术在高精度无人机检测技术的加持下,将实现任何无人机不仅“检的到”,还能“跟的准”。</span></span></p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">为此,历正科技率先推出“TDOA+(Time Difference of Arrival Plus)”无人机<span style="color: black;">精细</span>识别定位技术,将TDOA与CRPC技术融合运用,实现了<span style="color: black;">目的</span>无人机<span style="color: black;">精细</span>识别“<span style="color: black;">精细</span>定位”与“<span style="color: black;">精细</span>打击”三重功能于一体,大幅<span style="color: black;">提高</span>系统实战应用性能。</span></span></p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><strong style="color: blue;"><span style="color: black;">技术特点</span></strong></span></p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">无源检测:只被动接收不发射任何电磁信号,可侦测到无人机型号及其电子指纹ID;</span></span></p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;"><span style="color: black;">精细</span>识别:可<span style="color: black;">精细</span>识别同品牌、同机型、同频段的<span style="color: black;">区别</span>无人机;</span></span></p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;"><span style="color: black;">精细</span>定位:可<span style="color: black;">精细</span>测定无人机/遥控器位置,指示方向;</span></span></p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">轨迹<span style="color: black;">跟踪</span>:具备多<span style="color: black;">目的</span>轨迹跟踪功能,<span style="color: black;">同期</span>探测到多台无人机时能够以<span style="color: black;">区别</span>颜色<span style="color: black;">表示</span>其飞行轨迹;</span></span></p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">黑白名单:可一键标记黑白名单,白名单无人机不报警;</span></span></p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><span style="color: black;"><span style="color: black;">全机型库:支持大疆全系列、市场主流品牌及DIY无人机覆盖市面上98%以上的机型。</span></span></p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">(<span style="color: black;">仔细</span>内容略)<strong style="color: blue;"><span style="color: black;">文案</span>详情请于军桥网阅读。</strong></p>
    <p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;"><a style="color: black;">无人机综合防御管控系统 - 无人机|无人机管控|无人机干扰 - 军桥网—军事信息化装备网</a></p>




4lqedz 发表于 2024-9-2 09:01:34

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情迷布拉格 发表于 2024-9-5 11:03:42

你的见解独到,让我受益匪浅,期待更多交流。

4zhvml8 发表于 2024-9-30 19:45:16

感谢您的精彩评论,为我带来了新的思考角度。

4lqedz 发表于 2024-10-19 08:42:47

感谢你的精彩评论,带给我新的思考角度。

wrjc1hod 发表于 5 天前

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