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我国科研团队首次完成星地量子直接通信系统模块级验证
news flash· 2025-06-04 12:14
智通财经6月4日电,从北京量子信息科学研究院获悉,我国科研团队首次完成星地量子直接通信系统模 块级验证,标志着我国的星地量子直接通信技术,正式迈入空天地一体化量子直接通信网络的构建阶 段。据了解,此次验证是将量子直接通信激光器模块和相位编码两个模块,于2025年5月29日4时40分搭 载在箭元科技元行者一号验证型火箭上,随后完成成功发射、海上回收、返厂检查等多个阶段,实验模 块成功出舱,完成相关检查、一切正常。 (央视新闻) 我国科研团队首次完成星地量子直接通信系统模块级验证 ...
智能割草机催生千亿蓝海!北云科技如何助力RTK方案技术突围?
机器人大讲堂· 2025-06-04 11:20
随着全球智能家居需求激增,智能割草机器人市场正迎来爆发式增长。 据 Fortune Business Insights数据,该市场规模预计将从2020年的12.9亿美元跃升至2028年的40.4亿美 元,年复合增长率高达15.5%。然而, 在市场快速发展的背后,割草机器人制造商正面临着多重技术瓶颈。 具体而言, 智能割草机 RTK方案 主要存在 以下 三大痛点: 1,性能要业内一流。 割草机场景相比农机导航、植保无人机、表演无人机等动态 RTK场景有很大的差异: 庭院环境不可控(楼宇、树木、电磁干扰);用户使用方式不可控(基站、充电站选址,地图绘制及路径规 划)。这使得RTK技术要面对的场景更苛刻更具挑战性。 既要 稳定可靠, 又要 连续可信, 还要 更高的环 境适应性。因此全星全频、抗遮挡、抗干扰等指标都期望达到业内一流水平。 2, 成本 极为敏感。 因智能割草机属于消费类产品, C端用户对价格极为敏感。因此快速降本也成了各个厂 家的重要目标。但降本的主旋律不应只是单方面要求供应商降价,而更应该是联合供应商通过技术创新系统性 降本。 3, 用户体验要极致。 好的设计需要转化为用户语言才更有价值。因此, RT ...
突然爆火后,电报终将消失吗?
Core Viewpoint - The decline of telegram services in China reflects a shift in communication preferences, yet there is a resurgence of interest among younger generations seeking the emotional and ceremonial aspects of sending telegrams [1][2][3]. Group 1: Historical Context - Before 1995, personal telegrams in Beijing exceeded 3 million per month, but now the daily volume is less than 100 [1]. - The peak of telegram usage occurred in 1978 with 23 million telegrams sent, increasing to 44 million by 1990, and reaching over 100,000 telegrams per day at its busiest [6][7]. Group 2: Current Trends - Following the closure of telegram services in Hangzhou, the remaining service in Beijing has seen a significant increase in telegrams sent, with daily volumes rising to 80-100, nearly ten times the previous amount [2][3]. - Many customers visiting the Beijing service are first-time users, often motivated by curiosity and the desire for a unique experience [2]. Group 3: Emotional Significance - Telegrams are increasingly viewed as a means of conveying emotions and sentiments, with many users appreciating the delayed delivery as it adds a sense of ceremony and significance [3][4]. - The content of telegrams has shifted primarily to messages of congratulations and well-wishes, reflecting their role in significant life events [3]. Group 4: Future Outlook - Despite the decline, China Unicom has no plans to discontinue telegram services and is exploring ways to modernize and revitalize the offering, including integrating telegrams into cultural and tourism activities [6][7]. - The company aims to transform telegram services into a nostalgic experience for younger generations, potentially turning service points into cultural landmarks [6][7].
一群硬科技投资人、产业人,又要组团去德国
芯世相· 2025-06-04 05:02
我是芯片超人花姐,入行20年,有50W+芯片行业粉丝。 有很多不方便公开发公众号的, 关于芯片买卖、关于资 源链接等, 我会分享在朋友圈 。 扫码加我本人微信 从去年开始,越来越多的芯片人开始把目光投向海外市场。在技术创新与本土竞争趋于白热化的背 景下, "出海" 成为产业升级与持续增长的新选项。 但芯片人想要做到真正出海并不容易,背后需要对终端市场、区域法规、技术趋势与产业节奏的真 正理解,真正看清趋势、理解产业、建立链接,比 "走出去"本身更重要。 因此, 9 月 4 日至 9 月 14 日 ,芯片超人决定开启 "挖掘欧洲电子领域芯动向" 德国商 务考察活动 ,实地走访德国 柏林、莱比锡、德累斯顿、斯图加特以及慕尼黑 五个城市,重点聚 焦 全球两大顶级展会: IFA 柏林国际消费电子和家电产品展览会 与 IAA 德国国际汽车及 智慧出行博览会 (简称"慕尼黑车展") ,带大家一起走进欧洲电子产业的最前沿,实地理解消 费电子与汽车电子的真实需求与发展方向。 IFA ,源于 1924 年,作为 世界上规模和影响力最大的国际视听及消费类电子产品展览会之一 ,上一届 IFA 吸引了 1800 多家展商,以及来自 ...
从外贸、出行、消费等多领域重磅数据“数”看经济活力
Yang Shi Wang· 2025-06-04 02:31
Trade and Export - Shanghai's foreign trade import and export reached 1.4 trillion yuan in the first four months of 2025, with a year-on-year growth of 1% [1] - Exports showed strong performance, with a value of 629.02 billion yuan, reflecting a year-on-year increase of 13.8% [1] - Electric vehicle exports from Shanghai accounted for one-fifth of the national total, with trade connections established with 241 countries and regions, particularly strong ties with Central Asia, the Middle East, and East Asia, achieving growth rates of over 20% [3] Cross-Border Trade Facilitation - Shanghai Customs launched measures to promote cross-border trade facilitation, ensuring smooth customs clearance for key goods, optimizing regulatory processes, and enhancing cross-border logistics efficiency [5] Domestic Tourism and Consumer Activity - During the Dragon Boat Festival holiday, the box office for films reached 459 million yuan, a year-on-year increase of 20% [7] - The total number of cross-regional personnel movements exceeded 653 million, averaging over 217 million per day, with a year-on-year growth of 2.5% [10] - Domestic tourism saw 119 million trips during the holiday, reflecting a year-on-year growth of 5.7%, with total spending reaching 42.73 billion yuan, up 5.9% [12] Telecommunications Industry - In the first four months of 2025, China's telecommunications industry showed steady progress, with mobile internet access traffic growing rapidly [20] - The total number of fixed internet broadband users reached 680 million, while 5G mobile phone users reached 1.081 billion, accounting for nearly 60% of mobile phone users [20] - The electronic information manufacturing industry saw a year-on-year increase of 11.3% in added value for large-scale enterprises [21] Economic Development Zones - National economic and technological development zones have over 4.9 million operating entities, including 73,000 large-scale industrial enterprises and 85,000 high-tech companies [24]
华为、苹果“隔空较量” 重磅发布会再“撞期”
Zheng Quan Ri Bao· 2025-06-03 17:24
"整体来看,今年华为发布Pura 80系列手机新品,苹果则发布iOS、macOS等多款新一代操作系统,二 者发布内容有所不同,又都将操作系统、AI作为升级重点。"周爰咨询合伙人杨思亮对《证券日报》记 者表示。 当下,各大主流手机厂商围绕AI、影像、卫星通信等新技术的应用展开技术比拼,新品层出不穷,国 内中高端手机市场竞争激烈。其中,华为更是以多款全球首发的创新产品抢占市场份额,对原本固守中 高端市场的品牌造成压力。 据市场调研机构IDC发布的第一季度智能手机中国市场报告显示,第一季度,华为出货量达1290万台, 同比增长10%,以18%的市场份额位居第二位;苹果出货量达980万台,同比下滑9%,以13.7%的市场 份额排名第五。 而近日苹果也在官网宣布,苹果WWDC开发者大会将于北京时间6月10日至6月14日召开,届时有望发 布下一代操作系统的重要升级以及部分品类。在外界看来,华为、苹果两大科技巨头的发布会时间再 度"撞期",颇有"隔空较量"的意味。 华为Pura系列手机由P系列升级而来。去年4月15日,华为宣布将P系列升级为Pura,这一动作标志着华 为在高端手机市场的一次重要战略调整。 华为此番官宣预热海 ...
炬光科技(688167):公司动态研究报告:激光光学元器件一季度表现强劲,多元化产品矩阵深耕光学赛道
Huaxin Securities· 2025-06-03 15:37
2025 年 06 月 03 日 激光光学元器件一季度表现强劲,多元化产品矩 阵深耕光学赛道 告 买入(维持) 投资要点 分析师:高永豪 S1050524120001 gaoyh7@cfsc.com.cn 联系人:张璐 S1050123120019 zhanglu2@cfsc.com.cn | 基本数据 | 2 0 2 5-0 6-0 3 | | --- | --- | | 当前股价(元) | 68.05 | | 总市值(亿元) | 61 | | 总股本(百万股) | 90 | | 流通股本(百万股) | 90 | | 52 周价格范围(元) | 39.97-89.49 | | 日均成交额(百万元) | 205.74 | 市场表现 -60 -40 -20 0 20 40 60 (%) 炬光科技 沪深300 资料来源:Wind,华鑫证券研究 相关研究 ▌ 激光光学元器件一季度表现强劲,并购影响利润 端短期承压 公司激光光学元器件业务在一季度表现强劲,一方面得益于 泛半导体领域的市场需求提升,产品出货量显著增加;另一 方面,工业光纤激光器泵浦以及光通讯领域的市场需求也呈 现出增长趋势,一季度营收实现 1.70 亿 ...
国内首个!高校“可见光通信”课程落地深圳这所中学
Nan Fang Du Shi Bao· 2025-06-03 15:25
南都记者近日获悉,清华大学深圳国际研究生院"可见光通信"课程落地深圳市格致中学。作为国内首个在中学阶 段引入的可见光通信课程,这不仅是格致中学校本课程体系的一次重大飞跃,更是中学阶段网络通信教学领域的 新篇章,这一创新举措充分彰显了格致中学在"中学+大学+科研机构"协同育人模式下的科学教育实践成果。 可见光通信课程首次面向中学生开设 探索"中学+大学+企业+专业机构"办学新路径 格致中学探索"中学+大学+企业+专业机构"办学新路径,精心打造"航天科创""零一创新""人文素养"三大类百余门 校本课程,与学生社团相得益彰,为学生个性发展和多赛道成长提供支持。 除了可见光通信课程,学校早在2021年就建设大湾区第一家量子计算中心,与深圳国际量子研究院达成战略合 作,联合国际量子研究院的科研人员和深圳量旋科技有限公司科研人员共同开设中学量子校本课程,成立学生量 子社团,探索量子计算在中学的科普方式。 深圳市格致中学联合广东省无线光通信工程技术研究中心、深圳市可见光通信系统重点实验室(依托单位清华大 学深圳国际研究生院),建设"可见光通信创新实验室",面向本校初中、高中学生开设"可见光通信"科创课程。 清华大学袁克虹教 ...
我国量子计算领域取得重要进展,填补全球研究领域的空白,加速推动量子科技发展
Xuan Gu Bao· 2025-06-03 14:33
据中国科学技术大学新闻,该校郭光灿院士团队在量子非局域性研究方面取得重要进展,该团队柳必恒 研究组与瑞典隆德大学 Armin Tavakoli 博士团队合作,在实验上实现了高保真度高维多光子纠缠态制 备,并首次观测到真高维多体非局域性的存在。该工作已于5月30日发表在国际知名期刊《自然・通 讯》上。 这项突破性成果不仅填补了国际高维多体量子非局域性实验研究领域的空白,更深化了人类对量子纠缠 本质的认知,同时为构建可扩展、高容量、抗噪声的量子信息处理系统提供了关键技术支撑。作为新型 量子资源,高维多体纠缠态在量子通信、量子计算与量子精密测量等前沿领域展现出广阔应用前景。 科大国创:公司积极关注量子技术的发展,为发挥量子技术与公司业务协同,公司参股公司国仪量子拥 有国际领先的科学装置平台和更高精度、更高分辨率的量子传感器等技术及产品。 *免责声明:文章内容仅供参考,不构成投资建议 *风险提示:股市有风险,入市需谨慎 证券时报表示,量子计算作为下一代信息技术的核心驱动力,正从实验室走向产业化应用。技术突破、 政策支持与市场需求共同驱动产业快速发展,其应用场景从专用计算(如优化问题)向通用计算拓展, 推动金融、医药、 ...
新鲜早科技丨余承东称可能不会有第六“界”;京东外卖将扩招至15万全职骑手
Group 1: Industry Developments - Huawei's Yu Chengdong stated that the HarmonyOS Intelligent Driving may not have a sixth "realm," emphasizing the difficulty of managing multiple realms effectively [2] - HarmonyOS Intelligent Driving announced a record delivery of 44,454 vehicles in May, with a significant increase in pre-orders for the Zun Jie S800 model, which reached 1,600 units within 24 hours of its launch [3] - JD.com announced plans to expand its delivery rider workforce to 150,000, having already surpassed 100,000 riders ahead of schedule, with daily order volume exceeding 25 million [5] Group 2: Company News - Xiaomi's President Lei Jun responded to criticisms, highlighting that the company delivered over 28,000 units of the SU7 model in May and is preparing for mass production of the YU7 model [4] - Neuralink, a brain-computer interface company founded by Elon Musk, completed a $650 million Series E funding round, with plans for more human clinical trials [13] - Green通科技 announced plans to acquire at least 51% of Jiangsu Damo Semiconductor Technology Co., aiming to expand into the semiconductor sector [14] Group 3: Technological Innovations - Galaxy General released the world's first product-level end-to-end embodied FSD model, TrackVLA, which can navigate complex environments autonomously [6] - Microsoft announced that all USB-C ports on Windows 11 devices will support data, charging, and display functions, simplifying user experience [7] - A Chinese research team achieved a breakthrough in quantum direct communication, successfully establishing a 300-kilometer quantum communication network [10] Group 4: Corporate Actions - Shunluo Electronics announced that its chairman plans to reduce holdings by up to 13.37 million shares [15] - Gaoling Information decided to terminate a major asset restructuring plan due to a lack of consensus among transaction parties [16]