News
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Overview of Foreign Satellite Communication Anti-Jamming Technologies
Satellite communication plays a vital role in modern military and civilian applications, but its susceptibility to interference has driven the development of various anti-jamming techniques. This article summarizes six key foreign technologies: spread spectrum, coding and modulation, antenna anti...Read more -
Antenna Anti-Jamming Technology and the Application of Passive Microwave Components
Antenna anti-jamming technology refers to a series of techniques designed to suppress or eliminate the impact of external electromagnetic interference (EMI) on antenna signal transmission and reception, ensuring the stability and reliability of communication systems. The core principles include ...Read more -
Mysterious “Satellite Rain”: Over 500 Starlink LEO Satellites Lost to Solar Activity
The Incident: From Sporadic Losses to a Downpour The mass deorbiting of Starlink’s LEO satellites didn’t occur abruptly. Since the program’s inaugural launch in 2019, satellite losses were initially minimal (2 in 2020), consistent with expected attrition rates. However, 2021 saw...Read more -
Overview of Active Defense Stealth Technology for Aerospace Equipment
In modern warfare, opposing forces typically utilize space-based early warning reconnaissance satellites and ground-/sea-based radar systems to detect, track, and defend against incoming targets. The electromagnetic security challenges faced by aerospace equipment in contemporary battlefield envi...Read more -
Outstanding Challenges in Earth-Moon Space Research
Earth-Moon space research remains a frontier field with several unresolved scientific and technical challenges, which can be categorized as follows: 1. Space Environment & Radiation Protection Particle radiation mechanisms: The absence of Earth’s magnetic field exposes spacecraft a...Read more -
China Successfully Establishes First Earth-Moon Space Three-Satellite Constellation, Ushering in a New Era of Exploration
China has achieved a groundbreaking milestone by constructing the world’s first Earth-Moon space three-satellite constellation, marking a new chapter in deep-space exploration. This accomplishment, part of the Chinese Academy of Sciences (CAS) Class-A Strategic Priority Program “Exploratio...Read more -
Why Power Dividers Cannot Be Used as High-Power Combiners
The limitations of power dividers in high-power combining applications can be attributed to the following key factors: 1. Power Handling Limitations of the Isolation Resistor (R) Power Divider Mode: When used as a power divider, the input signal at IN is split into two co-frequ...Read more -
Comparison of Ceramic Antennas vs. PCB Antennas: Advantages, Disadvantages, and Application Scenarios
I. Ceramic Antennas Advantages •Ultra-Compact Size: High dielectric constant (ε) of ceramic materials enables significant miniaturization while maintaining performance, ideal for space-constrained devices (e.g., Bluetooth earbuds, wearables). High Integration Cap...Read more -
Low-Temperature Co-Fired Ceramic (LTCC) Technology
Overview LTCC (Low-Temperature Co-Fired Ceramic) is an advanced component integration technology that emerged in 1982 and has since become a mainstream solution for passive integration. It drives innovation in the passive component sector and represents a significant growth area in the electronic...Read more -
Application of LTCC Technology in Wireless Communications
1.High-Frequency Component Integration LTCC technology enables high-density integration of passive components operating in high-frequency ranges (10 MHz to terahertz bands) through multilayer ceramic structures and silver conductor printing processes, including: 2.Filters: Novel LTCC multilayer ...Read more -
Milestone! Major Breakthrough by Huawei
The Middle Eastern mobile communication network operator giant e&UAE announced a significant milestone in the commercialization of 5G virtual network services based on 3GPP 5G-LAN technology under the 5G Standalone Option 2 architecture, in collaboration with Huawei. The 5G official account (...Read more -
After the Adoption of Millimeter Waves in 5G, What Will 6G/7G Utilize?
With the commercial launch of 5G, discussions about it have been abundant recently. Those familiar with 5G know that 5G networks primarily operate on two frequency bands: sub-6GHz and millimeter waves (Millimeter Waves). In fact, our current LTE networks are all based on sub-6GHz, while millimete...Read more