Vol 2 No 4 (2024)

• Imaging Design of SAR Measured Data Based on SSMEC DSP

  Wen-Qing Wang, Jiang He, Peng Wang, Tao Zhang

  Abstract: Aiming at the problem of large computational load and long processing time of Synthetic Aperture Radar (SAR), this paper adopts SSMEC DSP to complete the low-squint SAR imaging processing, including range compression, azimuthal FFT, Range Cell Migration Correction (RCMC) and azimuthal compression. Eventually, the effectiveness and high efficiency of SSMEC DSP realizing RDA is verified by the real data imaging, which can process 4096*4096 points of data within 831.2ms to meet the real-time imaging requirements.

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• Analyzing the Problems and Improvement Strategies Existing in Coal Sales

  Jian-Ni Liu

  Abstract: In the wave of profound changes in the energy industry, this paper discusses in depth the reasons for the weakness of the coal market and the current status quo, pointing out that coal enterprises are faced with the core problems of single sales channel, high sales costs and lagging sales concepts. Aiming at these challenges, the paper proposes a multi-dimensional improvement strategy that includes market expansion, setting up advanced sales concepts, strengthening internal control, optimizing market layout and establishing a comprehensive performance appraisal system. The aim is to enhance the market competitiveness of coal enterprises and promote the healthy and sustainable development of coal sales industry through comprehensive measures.

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• Research and Practice of Green Maintenance Concept of Highway

  Yu-Duo Lu, Yu-Jing Du, Bo Wang

  Abstract: The concept of green transportation has evolved and has become an important guide for modern transportation development. However, in China’s highway maintenance management, there are several significant problems, including relatively serious pollution of the environment, a large amount of waste of maintenance materials, poor recycling rate of waste materials, and relatively lagging construction technology. In response to these problems, this study discusses in depth the practical techniques of highway pavement and roadbed maintenance and puts forward specifc suggestions based on the concept of green maintenance. Through systematic analysis and practical verification, these measures show remarkable effectiveness in improving the quality of highway maintenance and promoting the development of green transportation.

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• Application Research of Geographic Information Systems in Forest Resource Survey and Planning

  Huan Wang

  Abstract: With technological advancement, Geographic Information Systems (GIS) have become a core tool in forest resource management. GIS integrates computer science, geography, and remote sensing technologies, enabling comprehensive exploration, precise management, and scientific planning of forest resources. This paper delves into the diverse applications of GIS in forest resource survey and planning, demonstrating its crucial role in enhancing management effciency and promoting sustainable development. Through GIS, we gain deeper insights into, protect, and manage forest resources more effectively, thereby making positive contributions to the ecological balance of the Earth and long-term human well-being.

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• Research on the Construction System of Intelligent Gas Warning Platform

  Li Xu

  Abstract: With the acceleration of urbanization and the increase in gas usage, safety accidents caused by gas leaks occur frequently, posing a serious threat to people’s lives and property. Therefore, building an intelligent gas warning platform has become an important measure to address gas safety hazards. This article focuses on the construction system of intelligent gas warning platform, analyzes its construction elements and key technologies, and proposes corresponding construction system schemes and implementation strategies, providing useful references for gas safety monitoring and warning work.

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• Exploration of HVAC Engineering Design and Construction

  Zhen-Hong Li

  Abstract: With the continuous development of society and technological advancements, the design and construction of HVAC engineering are increasingly receiving attention and recognition. In terms of engineering design, the green concept and technologies for energy conservation and environmental protection are becoming mainstream. The design of effcient and energy-saving HVAC systems is crucial for improving building energy effciency and achieving sustainable development. In the construction feld, strengthening quality and safety control is essential for enhancing engineering quality, effciency, and safety. The exploration and practice of HVAC engineering design and construction aim to create more intelligent, energy-effcient, environmentally friendly, and comfortable indoor environments, meeting people’s demands for high-quality living and sustainable development.

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• Analysing Computer System Security and Computer Network Security

  Guo-Liang Zhang

  Abstract: Computer system security and computer network security are the key areas to guarantee the security of data and information assets in the era of information technology. Computer system security focuses on protecting hardware, software and data from internal and external threats to ensure stable and reliable operation of the system. Computer network security, on the other hand, focuses on the protection of data transmission and storage security in the network, and effectively defends against network attacks and data leakage by means of access control, data encryption, network isolation and other means. The two are interdependent, and together they build a secure and trustworthy computing environment.

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