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滴滴自动驾驶感知算法一面面经
自动驾驶之心· 2025-07-07 12:17
Core Viewpoint - Didi has a strong technical foundation in the autonomous driving sector, particularly in perception algorithms, and is a key player for those interested in pursuing careers in this field [2]. Group 1: Interview Process - The interview process for the perception algorithm position at Didi consists of three technical rounds, with a focus on project details and technical principles [2]. - Candidates are advised to thoroughly understand every detail on their resumes, as interviewers may ask in-depth questions [2]. Group 2: Technical Questions - The first round includes self-introduction and targeted questions about the candidate's research output and direction [3]. - Candidates are asked to explain the core innovations of their papers, leading to discussions on 2D object detection [4]. - The evolution of 2D object detection algorithms from traditional methods to deep learning is a key topic [5]. - Understanding of Anchor-Free detection, specifically the core process of the FCOS algorithm, is assessed [6]. - Candidates are questioned about their familiarity with end-to-end detection algorithms, reflecting the latest developments in the field [7]. - The mechanism of DETR in achieving end-to-end object detection is explored in depth [8]. Group 3: Project Experience - Candidates are expected to present their project experiences, such as a perception project based on the BEVDet model, detailing the algorithm architecture and detection process [9]. - Interviewers inquire about specific challenges faced during the implementation of algorithms in real-world applications and the solutions devised [10]. Group 4: Coding Assessment - A coding challenge is included, where candidates must write the NMS (Non-Maximum Suppression) post-processing code on-site [11]. Group 5: Community and Networking - A community has been established for job seekers in autonomous driving and related fields, with nearly 1,000 members from various companies, providing a platform for networking and support [12].
中国科协发布2025十大前沿科学问题、工程技术难题、产业技术问题
机器人圈· 2025-07-07 11:14
详细会议介绍参看往期文章: (点击蓝字跳转) 一文看懂2025智能机器人关键技术大会(IRCTC)全景!专家报告、学术征文、青年交流全揭晓! 展览展示|抢位2025智能机器人关键技术大会!高曝光商务合作虚位以待,共赴解锁新机遇 9大期刊联合征文|投稿2025智能机器人关键技术大会,年底正刊发表! 第二十七届中国科协年会 主论坛 7月6日在北京举行。 主论坛上,发布了 2025重大科学问题、工程技术难题和 产业技术问题 。 中国科协自2018年开始,持续组织开展重大科技问题难题征集发布活动。2025年活动, 从 前沿性、引领性、创 新性、战略性 四个方面严格把关, 经过严谨规范的审读、评议、投票等程序,最终选出10个前沿科学问题、10 个工程技术难题和10个产业技术问题,为持续性产出原创性、颠覆性科技成果树立"风向标"。 10个前沿科学问题为: 01 流形的拓扑和几何分类 流形的分类问题是数学研究领域的一个核心问题,长期以来也是基础数学研究的驱动 力。流形是我们一般空间的数学表述,如球面,环面等。它在局部上类似于欧几里得 空间,在数学、物理、工程学等领域都有广泛应用。研究流形的拓扑和几何分类问题 意味对不同类型 ...
“新一代黑豹 2.0”破机器狗速度纪录,机器人赛道迎趋势行情!“全市场唯一百亿规模”机器人ETF(562500)近1周日均成交6.21亿元,排名同类首位!
Mei Ri Jing Ji Xin Wen· 2025-07-07 06:58
Group 1 - The core viewpoint of the news highlights the performance and growth of the Robot ETF (562500), which has seen significant inflows and an increase in scale, making it the largest robot-themed ETF in the market [1][2][3] Group 2 - As of July 4, the Robot ETF has experienced a daily average trading volume of 621 million yuan over the past week, ranking first among comparable funds [1] - The Robot ETF has grown by 1.374 billion yuan in scale over the past two weeks, also ranking first among comparable funds [1] - The latest share count for the Robot ETF reached 17.256 billion shares, marking a one-year high and leading among comparable funds [1] - The ETF has seen a net inflow of 179 million yuan recently, with a total of 371 million yuan net inflow over the last five trading days [1] - The "New Generation Black Panther 2.0" robot recently broke the speed record for robotic dogs, achieving a speed of 10.3 meters per second, surpassing the previous record of 8.89 meters per second set by Boston Dynamics' WildCat [1] Group 3 - Huatai Securities notes that the robot industry has transitioned from a thematic market to a more mature stage with technological breakthroughs in both software and hardware, leading to the emergence of core stocks [2] - The Robot ETF covers various segments including humanoid robots, industrial robots, and service robots, providing investors with a comprehensive way to invest in the robot industry [2]
一家氢能商用车,Pre-A轮融了12亿丨投融周报
投中网· 2025-07-07 06:10
Key Insights - The article highlights the recent trends in investment across various sectors, particularly focusing on new consumption, hard technology, and internet services [2][3]. New Consumption - A coffee brand secured 30 million RMB in funding [4]. - Reading Literature Group made a strategic investment in a plush toy brand, acquiring a 10% stake [6]. - Star Luan Cultural Media completed a 10 million RMB angel round financing [5]. Hard Technology - Lingchuan Technology, an AI chip company, completed a financing round of several hundred million RMB, led by the Beijing AI Industry Investment Fund and Kuaishou Group [14]. - Juxin Technology raised 300 million RMB in a B round financing, led by Shenzhen Capital Group and China National New [17]. - Xiwei Technology, a high-performance Wi-Fi chip designer, also completed a financing round of several hundred million RMB [8]. - Iron Near Technology secured nearly 200 million RMB in strategic financing [9]. - Kaven New Energy raised over 1.2 billion RMB in a Pre-A round financing [10][11]. Internet Services - The AI programming project "Xinyan Yima" received a new round of financing, with a valuation of several hundred million USD, backed by Sequoia China [30]. - Zhizhu announced a strategic investment of 1 billion RMB from Pudong Venture Capital Group and Zhangjiang Group [33]. - BetterYeah AI completed a financing round exceeding 100 million RMB, led by Alibaba Cloud [31]. - The blue-collar recruitment platform "Zhi Xiao Er" raised several million RMB in a Pre-A round financing [32].
汽车周观点:6月第4周乘用车环比+3.9%,继续看好汽车板块-20250707
Soochow Securities· 2025-07-07 03:50
2 汽车周观点: 6月第4周乘用车环比+3.9%,继续看好汽车板块 证券分析师 :黄细里 执业证书编号:S0600520010001 联系邮箱:huangxl@dwzq.com.cn 2025年7月7日 请务必阅读正文之后的免责声明部分 核心结论 证券研究报告 注:若无特殊说明,"本周"均代表2025.6.16-2025.6.22 ( ➢本周复盘总结:六月第四周交强险56.9万辆,环比上周/上月周度+3.9%/+24.2%。 ➢本周细分板块涨跌幅排序:SW摩托车及其他(+5.1%) >SW商用载客车(+4.4%) >SW乘 用车(+0.4%) >SW汽车(+0.1%)> SW商用载货车(0.1%) > SW汽车零部件(-0.7%) 。 本周已覆盖标的春风动力、爱玛科技、宇通客车、上汽集团、中国重汽涨幅前五。 ◼ 本周团队研究成果:外发小鹏G7上市点评。 ◼ 本周行业核心变化:1)小鹏G7定位为极致空间而生的家庭科技美学中大型SUV,602 km Max版搭载双Orin-X芯片定价19.58万元,702km Max版搭载双Orin-X芯片定价2 0.58万元,Ultra版搭载三颗图灵AI芯片定价22.58万元, ...
“大而美”基金经理“中考”成绩揭晓!张璐拥抱机器人、郑磊携手医药,分别夺冠!
私募排排网· 2025-07-07 03:44
Core Viewpoint - The article provides an analysis of the performance of fund managers managing over 100 billion yuan in assets, highlighting their average returns in the first half of 2025 across different fund types, including stock, mixed, and bond funds [3][4][10]. Group 1: Stock Fund Managers - There are 139 stock fund managers with a total management scale exceeding 5.21 trillion yuan, achieving an average return of 4.34% in the first half of 2025, with 76.98% of them reporting positive returns [4][5]. - The top-performing stock fund managers include Zhang Lu from Yongying Fund, who achieved a return of 32.14% with a management scale of 127.69 billion yuan [7][8]. - Other notable managers include Tian Ximeng from Fuquan Fund, with a return of 23.51% and a management scale of 536.01 billion yuan [9]. Group 2: Mixed Fund Managers - There are 68 mixed fund managers managing over 1.84 trillion yuan, with an average return of 2.20% in the first half of 2025 [10][11]. - The top mixed fund manager is Zheng Lei from Huatai-PB Fund, achieving a return of 21.69% with a management scale of 117.20 billion yuan [12][13]. - Other top performers include Wan Qiong from Bosera Fund, with a return of 12.55% and a management scale of 506.10 billion yuan [15]. Group 3: Bond Fund Managers - A total of 425 bond fund managers manage over 12.36 trillion yuan, with an average return of 1.08% in the first half of 2025 [17]. - The leading bond fund manager is Guo Jun from Bosera Fund, achieving a return of 7.59% with a management scale of 458.39 billion yuan [19][20]. - Liu Wenliang from Southern Fund follows with a return of 5.15% and a management scale of 107.26 billion yuan [22].
创业板指跌超1%,沪指跌0.2%,深成指跌0.59%,CPO、铜缆高速连接、机器人、消费电子等板块跌幅居前,沪深京三市下跌个股超2900只。
news flash· 2025-07-07 01:54
Core Viewpoint - The ChiNext Index fell over 1%, while the Shanghai Composite Index decreased by 0.2% and the Shenzhen Component Index dropped by 0.59%, indicating a downward trend in the market with over 2900 stocks declining across the Shanghai, Shenzhen, and Beijing exchanges [1] Market Performance - The ChiNext Index experienced a decline of more than 1% [1] - The Shanghai Composite Index saw a decrease of 0.2% [1] - The Shenzhen Component Index fell by 0.59% [1] - More than 2900 stocks in the Shanghai, Shenzhen, and Beijing markets reported declines [1] Sector Performance - Sectors such as CPO, copper cables, high-speed connections, robotics, and consumer electronics were among the hardest hit, showing significant declines [1]
广发基金曹建文——多元资产配置应对各种不确定性
Zheng Quan Shi Bao· 2025-07-06 18:23
Core Viewpoint - The strategic value of multi-asset allocation continues to stand out in a globally differentiated economic cycle and a volatile macro environment, with traditional safe-haven assets like gold and silver showing steady appreciation alongside strong performance in emerging market sectors such as technology and healthcare [1][5]. Group 1: Multi-Asset Allocation Strategy - Multi-asset and multi-strategy investment emphasizes both the breadth of asset coverage and the necessity for in-depth research on various asset classes [1][2]. - The key to a multi-asset allocation framework is identifying the underlying logic that drives asset price movements and defining it through factors, which allows for more intuitive comparisons and refined portfolio management [2][3]. Group 2: Performance and Historical Context - The management of the Guangfa Antai Stable Pension FOF has demonstrated strong historical performance through strategic allocations in response to market conditions, focusing on long-term pure bonds and rate bonds while also balancing equity investments with value-style funds [3][4]. - The Guangfa Pension Target 2060 FOF showcases a diversified investment strategy across various sectors, including military, technology, photovoltaic, and healthcare, integrating both actively managed and passive index funds to create a multi-dimensional revenue source [4]. Group 3: Market Insights and Future Outlook - The current market environment indicates a shift in asset performance dynamics, with Chinese markets showing liquidity advantages due to undervaluation and capital inflows, contrasting with the historically dominant U.S. dollar assets [5][6]. - The upcoming market outlook suggests a focus on Chinese and European assets, with technology likely leading the next market rally in A-shares and Hong Kong stocks, while emphasizing the need for strategic timing and diversified strategies to mitigate equity volatility [6].
转债周策略:银行、红利板块的持续性如何看
Huafu Securities· 2025-07-06 13:21
Group 1 - The report indicates that the banking and dividend sectors have shown stable performance recently, with a strong likelihood of continued inflow of insurance funds, making the dividend sector a cost-effective investment option [3][11]. - Since 2022, the balance of insurance fund utilization has steadily increased, primarily due to the expansion of premium scales, while the stock investment scale within insurance funds has also shown a fluctuating upward trend [3][11]. - A correlation analysis between the average March price fluctuations of the CSI 300 index and the growth rate of insurance stock investment positions reveals a strong relationship, suggesting that the current recovery in stock market sentiment may lead to a rebound in insurance stock investment positions [3][11]. Group 2 - From the perspective of convertible bond investment, the report suggests screening dividend convertible bonds based on market capitalization, profitability stability, and dividend yield, which align with insurance capital investment preferences [4][12]. - The report identifies several leading dividend ETFs, including Huatai-PB SSE Dividend ETF and Tianhong CSI Low Volatility 100 ETF, and lists convertible bonds associated with these ETFs that are expected to yield excess returns if the dividend sector maintains strong performance [4][12]. - The overall economic stability in China suggests limited downside for the stock market, with expectations of a structural market characterized by range-bound fluctuations, particularly benefiting sectors with stable profitability such as finance and public utilities [5][25]. Group 3 - The report emphasizes the importance of new production capabilities in China's industrial upgrade process, which may reflect positively in the stock market, highlighting the need to focus on popular themes from this year [5][25]. - Recommendations include focusing on companies driving the industrialization of AI models and robotics, as well as those in the undervalued sectors, particularly convertible bonds from firms like Xingye, Lantian, and Yifeng [5][25]. - The report anticipates a recovery in the new energy and automotive parts sectors in the second half of the year, suggesting attention to companies such as Mingli, Huayou, and Yihui [5][25].
特朗普称8月1日起实施新关税;欧佩克+增产|周末要闻速递
Group 1 - The People's Bank of China is soliciting public opinions on the draft rules for the Renminbi Cross-Border Payment System, which includes six chapters and thirty-one articles to regulate participants and operational institutions [1] - The new trading management rules for programmatic trading will take effect from July 7, detailing regulations on reporting, trading behavior, information systems, and high-frequency trading [2] - The Ministry of Finance has announced measures regarding government procurement of medical devices imported from the EU, requiring that non-EU companies' products cannot exceed 50% of the total contract amount for certain purchases [3][4] Group 2 - The Ministry of Commerce has proposed anti-dumping duties on brandy imported from the EU, effective from July 5, 2025, for a duration of five years [5] - National electricity load reached a historical high of 1.465 billion kilowatts on July 4, driven by high temperatures, marking an increase of approximately 200 million kilowatts from late June and nearly 150 million kilowatts year-on-year [6] - OPEC and eight major oil-producing countries have decided to increase production by 548,000 barrels per day in August, adjusting output based on market conditions [10] Group 3 - China Shipbuilding Industry Company has received approval from the Shanghai Stock Exchange for its merger with China State Shipbuilding Corporation, pending further regulatory approvals [11] - Meituan and Alibaba have launched significant promotional campaigns for the summer consumption season, offering substantial discounts to stimulate market activity [12] Group 4 - Citic Securities has noted that the current market environment resembles late 2014, with a focus on sectors like AI and innovative pharmaceuticals, and suggests a rotation in investment themes during the mid-year reporting season [16] - Huatai Securities indicates that the robotics industry is entering a phase of elimination, emphasizing the need for companies to demonstrate practical applications and customer orders [17]