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2025 Index IEEE Journal on Miniaturization for Air and Space Systems 航空航天系统小型化研究
IF 2.1 Pub Date : 2025-11-24 DOI: 10.1109/JMASS.2025.3636624
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引用次数: 0
The Journal of Miniaturized Air and Space Systems 小型化航空航天系统杂志
IF 2.1 Pub Date : 2025-11-20 DOI: 10.1109/JMASS.2025.3627820
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引用次数: 0
A Hybrid Electrical Power Subsystem for CubeSats: Design and Experimental Validation 一种用于立方体卫星的混合电力子系统:设计与实验验证
IF 2.1 Pub Date : 2025-09-24 DOI: 10.1109/JMASS.2025.3613723
Matheus R. Torres;Diego A. Coutinho;Evandro C. Vilas Boas
This work presents a compact and modular electrical power subsystem (EPS) tailored for CubeSats operating in low Earth orbit (LEO). The design integrates off-the-shelf components, including a microcontroller-based battery management system, analog solar panel regulators, and a digitally reconfigurable step-up converter. These components manage the charging and discharging of lithium-ion batteries, optimize solar energy harvesting, and deliver multiple regulated voltage outputs to mission-critical subsystems. Experimental validation demonstrates reliable power regulation, efficient battery management, and robust solar panel integration, confirming the system’s effectiveness under varying load and input conditions. The architecture’s hybrid nature, combining analog and digital control, provides a flexible and scalable solution for small satellite missions with strict resource constraints and evolving power demands.
这项工作提出了一个紧凑的模块化电力子系统(EPS),专为在低地球轨道(LEO)运行的立方体卫星量身定制。该设计集成了现成的组件,包括基于微控制器的电池管理系统,模拟太阳能电池板调节器和数字可重构升压转换器。这些组件管理锂离子电池的充电和放电,优化太阳能收集,并向关键任务子系统提供多个稳压输出。实验验证证明了可靠的功率调节、高效的电池管理和强大的太阳能电池板集成,证实了系统在不同负载和输入条件下的有效性。该架构的混合性质,结合了模拟和数字控制,为具有严格资源限制和不断变化的功率需求的小型卫星任务提供了灵活和可扩展的解决方案。
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引用次数: 0
SAT-IOTA: A Cybersecurity Reinforcement Framework for Blockchain-Driven Space Satellites Utilizing Anomaly Prediction SAT-IOTA:利用异常预测的区块链驱动空间卫星的网络安全强化框架
IF 2.1 Pub Date : 2025-09-15 DOI: 10.1109/JMASS.2025.3609830
Anastasios N. Bikos;Sathish A. P. Kumar
This article introduces SAT-IOTA, a lightweight and artificial intelligence (AI)-driven cybersecurity framework designed for blockchain-powered satellite infrastructures. Unlike traditional detection approaches, SAT-IOTA employs predictive anomaly analytics combined with a sliding window (SW) machine learning mechanism to proactively identify and mitigate security threats in SAGIN. The proposed framework integrates IOTA distributed ledger technology (DLT) for secure, decentralized telemetry data management, tokenized satellite components, and resilience against cyber–physical attacks. Through a custom-built testbed with Hornet nodes, we evaluate the framework’s performance under Denial of Service (DoS) scenarios, achieving 97% prediction accuracy and an F-measure of 80%. The results confirm that SAT-IOTA enhances space system security by combining blockchain-driven trust with AI-based anomaly prediction, offering a scalable and resource-efficient solution for next-generation satellite communications.
本文介绍了SAT-IOTA,这是一种轻量级的人工智能(AI)驱动的网络安全框架,专为区块链驱动的卫星基础设施而设计。与传统检测方法不同,SAT-IOTA采用预测异常分析结合滑动窗口(SW)机器学习机制,主动识别和缓解SAGIN中的安全威胁。拟议的框架集成了IOTA分布式账本技术(DLT),用于安全,分散的遥测数据管理,标记化卫星组件以及抵御网络物理攻击的弹性。通过一个带有Hornet节点的定制测试平台,我们评估了该框架在拒绝服务(DoS)场景下的性能,实现了97%的预测准确率和80%的F-measure。结果证实,SAT-IOTA通过将区块链驱动的信任与基于人工智能的异常预测相结合,增强了空间系统的安全性,为下一代卫星通信提供了可扩展和资源高效的解决方案。
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引用次数: 0
The Journal of Miniaturized Air and Space Systems 小型化航空航天系统杂志
IF 2.1 Pub Date : 2025-08-22 DOI: 10.1109/JMASS.2025.3594863
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引用次数: 0
A Multiplexer Design Methodology for Small Multifrequency Antennas 小型多频天线的多路复用器设计方法
IF 2.1 Pub Date : 2025-07-25 DOI: 10.1109/JMASS.2025.3592724
Ferry Pascal Lanter;Adrian Sutinjo
Integrating low power radio frequency (RF) amplifiers (hundreds of milliwatts to watts) with a small multifrequency antenna ( $lt lambda /4$ ) can miniaturize small satellite communication systems. This requires impedance matching networks (MNs) with large impedance transformation ratios within a multiplexer to transform the low antenna resistance of a small antenna to the high optimum load line impedance of a low power RF amplifier. However, large impedance transformation ratios make MNs highly sensitive to unavoidable circuit variations, e.g., tolerances, causing mismatches that degrade performance beyond utility. This article presents a multiplexer design method that permits the predictable correction of such unavoidable impedance mismatches in the realized circuit. This is achieved by isolating each impedance transformation within the multiplexer configuration; this permits independent impedance match corrections that does not alter the remaining multiplexer performance. This condition is generated by introducing a new method to synthesize multiplexer branches by resonating ladder section impedance matching circuits. To validate our multiplexer design methodology, a triplexer circuit for a small tri-band 3U CubeSat antenna was designed, manufactured, and measured. The impedance match of each multiplexer branch was highly sensitive; Monte-Carlo simulation results show that resulting the anticipated variation in amplifier output power exceeds $6.8,$ dB due to the variation in load line impedance. The impedance match of each multiplexer branch was successfully recovered to a realized impedance that yields less than 1 dB variation in transmit power from the target value, and the realized insertion loss was within 2 dB of the simulated insertion loss, confirming the practicability of this methodology.
集成低功率射频(RF)放大器(数百毫瓦到瓦)与小型多频天线($lt lambda /4$)可以小型化小型卫星通信系统。这就要求多路复用器内具有大阻抗转换比的阻抗匹配网络(MNs)将小型天线的低天线电阻转换为低功率射频放大器的高最佳负载线阻抗。然而,大的阻抗转换比使MNs对不可避免的电路变化(例如容差)高度敏感,从而导致不匹配,从而降低性能。本文提出了一种多路复用器设计方法,允许在实现的电路中对这种不可避免的阻抗不匹配进行可预测的校正。这是通过隔离多路复用器配置内的每个阻抗变换来实现的;这允许独立的阻抗匹配校正,而不会改变剩余的多路复用器性能。提出了一种利用谐振阶梯段阻抗匹配电路合成多路复用器支路的新方法。为了验证我们的多路复用器设计方法,设计、制造并测量了小型三波段3U CubeSat天线的三路复用器电路。多路复用器各支路阻抗匹配高度敏感;蒙特卡罗仿真结果表明,由于负载线阻抗的变化,导致放大器输出功率的预期变化超过6.8 $,$ dB。各多路复用器支路的阻抗匹配成功恢复到发射功率与目标偏差小于1 dB的实际阻抗,且实际插入损耗与模拟插入损耗相差不超过2 dB,验证了该方法的实用性。
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引用次数: 0
Ecological Impact Assessment of Energy Projects in China–Pakistan Economic Corridor 中巴经济走廊能源项目生态影响评价
IF 2.1 Pub Date : 2025-07-18 DOI: 10.1109/JMASS.2025.3587284
Xin Tian;Luhan Li;Sai Wang;Siyu Gu
Energy infrastructure development is a core component of the China–Pakistan Economic Corridor (CPEC) initiative. This study utilizes multisource remote sensing data to evaluate the ecological and environmental impacts of energy development. The study enhances remote sensing ecological indicators and establishes the improved Remote Sensing Energy Project Ecological Index (EPEI) and a comprehensive evaluation analysis method for ecological and environmental impacts. It conducts a thorough assessment of the ecological and environmental impacts of energy projects along the CPEC. The main findings of the analysis are as follows: there is a correlation between land cover types and ecological and environmental quality; climate change and human activities within the study area have led to ecological and environmental changes in the region; the negative impacts of coal-fired power, hydropower, solar power, and wind power projects within CPEC on the local ecosystems decrease in severity in that order.
能源基础设施建设是中巴经济走廊建设的核心内容。本研究利用多源遥感资料对能源开发的生态环境影响进行评价。加强遥感生态指标,建立改进的遥感能源工程生态指数(EPEI)和生态环境影响综合评价分析方法。它对中巴经济走廊沿线能源项目的生态和环境影响进行了全面评估。分析结果表明:土地覆被类型与生态环境质量之间存在相关性;气候变化和人类活动导致了研究区内生态环境的变化;在中巴经济走廊内,燃煤发电、水电、太阳能发电和风力发电项目对当地生态系统的负面影响程度依次递减。
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引用次数: 0
Disordered Broadband Dielectric Metamaterial Absorbers for Aerospace Applications 航空航天应用的无序宽带介电超材料吸收体
IF 2.1 Pub Date : 2025-06-25 DOI: 10.1109/JMASS.2025.3583078
Ju Gao;Zonghui Li;Zhangziyi Jin;Qingwang Wang
Cloaking technology plays a critical role in modern aerospace and defense systems, where reducing the radar cross section (RCS) is essential for achieving invisibility in complex electromagnetic environments. To fulfill the requirements for lightweight and compact designs, high-performance absorbers capable of achieving broadband RCS reduction are indispensable. However, conventional periodic dielectric metamaterial absorbers, despite their lightweight advantages, are inherently constrained by narrow absorption bandwidths, limiting their effectiveness across broad frequency ranges. This study investigates the influence of disorder factors, including permittivity, size, and position, on wave absorption performance in comparison to periodic structures. An innovative design for dielectric metamaterial absorbers employing disordered structures is presented, effectively addressing bandwidth limitations while achieving polarization independence, angular insensitivity, and enhanced broadband absorption. The lightweight and low-profile configuration of the absorber makes it particularly suitable for aerospace applications, offering an advanced solution for cloaking technology and system miniaturization in modern defense systems.
隐身技术在现代航空航天和国防系统中起着至关重要的作用,在这些系统中,减小雷达横截面(RCS)对于在复杂的电磁环境中实现隐身至关重要。为了满足轻量化和紧凑设计的要求,能够实现宽带RCS减少的高性能吸收器是必不可少的。然而,传统的周期性介电超材料吸收器,尽管具有重量轻的优点,但固有地受到窄吸收带宽的限制,限制了它们在宽频率范围内的有效性。本研究探讨了与周期结构相比,介电常数、尺寸和位置等无序因素对波吸收性能的影响。提出了一种采用无序结构的介电超材料吸收器的创新设计,有效地解决了带宽限制,同时实现了极化无关性、角不灵敏度和增强的宽带吸收。减震器的轻量化和低姿态配置使其特别适合航空航天应用,为现代国防系统的隐身技术和系统小型化提供了先进的解决方案。
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引用次数: 0
Low-Power Modular UAV Data Acquisition and Transmission System Based on Advanced Compression and 4G Communication 基于先进压缩和4G通信的低功耗模块化无人机数据采集与传输系统
IF 2.1 Pub Date : 2025-06-25 DOI: 10.1109/JMASS.2025.3583008
Ju Gao;Zijun Wang;Zhangziyi Jin;Zonghui Li;Qingwang Wang
Audio extraction systems have important applications in the field of uncrewed aerial vehicles (UAVs), especially in the areas of disaster emergency response, environmental monitoring and precision agriculture. However, the large size and high power consumption of existing systems limit their widespread use. In this study, a UAV information acquisition and transmission method based on low-power sensing and 4G remote transmission technology is proposed, aiming to achieve efficient processing and transmission of audio data while meeting the requirements of miniaturization and low power consumption. The system adopts a modular design and achieves low power consumption and efficient data transmission by optimizing the collaborative work between the front-end hardware and the back-end cloud platform. Experimental results show that the system exhibits high stability and significant low power consumption in complex environments (the lowest power consumption is 0.1 mW), while the transmission efficiency is significantly improved over traditional methods (the average rate reaches 4.5 Mb/s). This study provides reliable technical support for the application of UAVs in complex missions.
音频提取系统在无人机领域,特别是在灾害应急响应、环境监测和精准农业等领域有着重要的应用。然而,现有系统的大尺寸和高功耗限制了它们的广泛应用。本研究提出了一种基于低功耗传感和4G远程传输技术的无人机信息采集与传输方法,目的是在满足小型化和低功耗要求的同时,实现对音频数据的高效处理和传输。系统采用模块化设计,通过优化前端硬件与后端云平台的协同工作,实现了低功耗、高效的数据传输。实验结果表明,该系统在复杂环境下具有高稳定性和显著的低功耗(最低功耗为0.1 mW),传输效率较传统方法有显著提高(平均速率达到4.5 Mb/s)。该研究为无人机在复杂任务中的应用提供了可靠的技术支持。
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引用次数: 0
Assessment of Decorrelation and Deformation Monitoring Accuracy in Geosynchronous SAR Interferometry 地球同步SAR干涉测量中去相关与变形监测精度评价
IF 2.1 Pub Date : 2025-06-19 DOI: 10.1109/JMASS.2025.3581353
Wei He;Qingjun Zhang;Zhibin Wang;Changjun Zhao
Interferometric synthetic aperture radar (InSAR) has emerged as a powerful tool for surface deformation monitoring. Conventional low Earth orbit (LEO) SAR systems are constrained by narrow swath widths and long revisit intervals, limiting their applicability in large-scale and rapid-response scenarios. Although satellite constellations partially address these issues, they introduce increased system complexity and operational costs. In contrast, geosynchronous SAR (GeoSAR) offers significantly shorter revisit intervals, on the order of hours rather than days, and much wider swath coverage, expanding from the hundred-kilometer scale of LEO SAR to the thousand-kilometer scale. These advantages make GeoSAR a promising solution to the limitations of LEO SAR systems. However, its decorrelation characteristics and deformation monitoring performance remain insufficiently understood. This study provides a quantitative analysis of key decorrelation sources, including thermal, spatial, temporal, Doppler centroid, and processing-induced decorrelation, and further evaluates the deformation measurement accuracy of GeoSAR using differential interferometric SAR, persistent scatterer interferometry, and the small baseline subset technique. Results indicate that GeoSAR is less susceptible to spatial decorrelation, and that, given a fixed number of acquisitions and invariant decorrelation conditions, longer revisit intervals can significantly enhance the accuracy of deformation measurements. These findings provide valuable insights into the potential of GeoSAR for surface deformation monitoring.
干涉合成孔径雷达(InSAR)已成为地表变形监测的有力工具。传统的近地轨道SAR系统受窄带宽度和长重访间隔的限制,限制了其在大规模和快速响应场景中的适用性。尽管卫星星座部分解决了这些问题,但它们增加了系统的复杂性和运行成本。相比之下,地球同步SAR (GeoSAR)提供了明显更短的重访间隔,以小时为单位而不是以天为单位,并且覆盖范围更广,从低轨道SAR的百公里尺度扩展到千公里尺度。这些优点使GeoSAR成为解决LEO SAR系统局限性的一个有希望的解决方案。然而,对其去相关特性和变形监测性能的了解还不够充分。本研究提供了热、空间、时间、多普勒质心和处理引起的去相关等关键去相关源的定量分析,并进一步评估了差分干涉SAR、持续散射干涉和小基线子集技术对GeoSAR变形测量的精度。结果表明,GeoSAR对空间去相关的影响较小,在一定的获取次数和去相关条件下,较长的重访间隔可以显著提高变形测量的精度。这些发现为GeoSAR在地表变形监测方面的潜力提供了宝贵的见解。
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引用次数: 0
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IEEE Journal on Miniaturization for Air and Space Systems
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